1. Find the value of two numbers if their sum is 12 and their difference is 4.

Answers

Answer 1

Answer:

8 and 4

Step-by-step explanation:

Answer 2

Answer:

8+4

Step-by-step explanation:

8-4 is equal to 4 and 4+8 is equal to 12


Related Questions

what 3+3 divided by 3 *6

Answers

Answer:

9

Step-by-step explanation:

Sarah took the advertising department from her company on a round trip to meet with a potential client. Including Sarah a total of 6 people took the trip. She was able to purchase

coach tickets for $270 and first class tickets for $1250. She used her total budget for airfare for the trip, which was $3580. How many first class tickets did she buy? How many coach

tickets did she buy?

number of first class tickets bought =

number of coach tickets bought =

x= number of coach tickets bought

Y= number of first class tickets bought

Answers

The total number of tickets bought is 6 and the number of coach tickets bought is 4 while the number of first class tickets bought is 2

How to solve algebra word problems?

We are told that a total of 6 people took the trip. If x is the coach tickets and y is the first class tickets and she bought tickets for 6 of them, then we can say that;

x + y = 6    ------(1)

Now, coach tickets cost $270 and first class tickets costs $1250. She used her total budget for airfare for the trip, which was $3580. Thus;

270x + 1250y = 3580    ----(2)

Solving both equations simultaneously gives;

x = 4 and y = 2

Thus, we conclude that the number of coach tickets bought is 4 while the number of first class tickets bought is 2.

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Kiara has​ $520 in her bank account. each week she deposits​ $80 and withdraws​ $35. gael has​ $310 in his account. each week he deposits​ $95 and withdraws​ $20. write and solve an equation to determine the week w when gael and kiara have the same amount of money in their accounts.

Answers

Answer:

fuimaa

Step-by-step explanation:

what is 5/8 exressed as a decimal

Answers

5/8 is 0.625 as a decimal

Samir can rent a moving truck from Company A for $135 plus $0.50 per mile or from Company B for $125 plus $0.70 per mile. Which statement is true?

Answers

Renting from Company B will be cheaper if Samir drives the truck 100 miles. Then the correct option is D.

What is a linear equation?

The linear equation is given as,

y = mx + c

Where m is the slope of the line and c is the y-intercept of the line.

Let y be the total amount and x be the number of miles.

Samir can rent a moving truck from Company A for $35 plus $0.50 per mile. Then the equation will be

y = 0.5x + 35   ....1

Company B for $25 plus $0.70 per mile. then the equation will be

y = 0.7x + 25     ....2

For the same rent, the number of miles will be

0.7x + 25 = 0.5x + 35

0.2x = 10

x = 50 miles

Renting from Company B will be cheaper if Samir drives the truck 100 miles. Then the correct option is D.

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Samir can rent a moving truck from Company A for $35 plus $0.50 per mile or from

Which statement is true?

Company B for $25 plus $0.70 per mile .

A. Renting from Company A will always be cheaper.

B. Renting from Company B will always be cheaper.

C. Renting from both companies will cost the same if Samir drives the truck 50 miles.

D. Renting from Company B will be cheaper if Samir drives the truck 100 miles.

B The table represents the location of QRST before and after a reflection. Use the table to
answer 3-5.
3. Give a verbal description of the transformation.
PRE-IMAGE
Q(-9,-8)
R(-9, -2)
S(-4,-2)
T(-4,-8)
IMAGE
Q'(9,-8)
R(9,-2)
S(4, -2)
?
4. Which best represents the transformation algebraically?
a. (x, y) b. (-x, y) c. (-x, -y)
d. (x + 18, y)
5. Find the location of T

Answers

3. The x-coordinate of the image is equal to the negative of that of the pre-image. The y-coordinate remains the same.

4. The transformation is best represented  algebraically by (-x, y).

5. The location of the image of T is (4, -8).

3. The transformation makes the x-coordinate of the image equal to the negative of that of the pre-image. The y-coordinate remains the same.4. The transformation is best represented  algebraically by (-x, y).5. The coordinates of the preimage of T are (-4, -8). On applying the transformation, the image of T becomes (-(-4), 8), i.e., (4, -8).

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What is the volume of a rectangular prism with a base area of 32 cm and a height 7cm

Answers

Answer:

224 cm³

Step-by-step explanation:

Volume = Area of base x height

V = 32 x 7

V = 224 cm³

Given that:Base area= 32 cmHeight= 7 cmTo find:The volume of the given rectangular prism.Solution:A rectangular prism is a three dimensional solid with 6 rectangular faces which is also known as a cuboid.

In this question, all the required information is given so we'll simply have to solve.

[tex]\large\boxed{\bold{V= \ base \ area× \ height}}[/tex]

Now, substitute the values according to the formula.

[tex]V= \ 32 × 7[/tex]

[tex]\large\boxed{\bold{ V= \ 224 \ {cm}^{3}}}[/tex]

The answer is a whole number so we won't have to round off.

Hence, the volume of the given rectangular prism is 224 cubic centimeters.

Please just give the answer no calculations .

Answers

The correct answer is 77

Is -2.5 greater than or less than 2.1?

Answers

Answer: less

Step-by-step explanation:

Answer:     The answer is less than  

because negative are always less than positives

Step-by-step explanation:

I hope this helps

Helpppppp 20 pointssss mathhh

Answers

the first one p+1 > -9

anbody know what this x means

Answers

Answer: x would be 6

Step-by-step explanation: x is a variable, its being used as multiplication here and u need to find the number x is representing

with 2x = 12

divide both sides by 2

2x divided by 2, 12 divided by 2

ur left with

x = 6

a​ company's charge for electricity is ​¢6.434 per​ kilowatt-hour. in​ addition, each monthly bill contains a customer charge of ​$7.81. if last​ year's bills ranged from a low of ​$51.74 to a high of ​$​192.28, over what range did usage vary​ (in kilowatt-hours)? course hero

Answers

The range in which the usage vary is from 682.77  kilowatt-hours to 2867.11  kilowatt-hours.

Given the charge of electricity charge is 6.434 cents  per​ kilowatt-hour.

Fixed customer charge = ​$7.81

Bill range = $51.74 to ​$​192.28

Since every value is in $ , we will first convert cents to dollar

per​ kilowatt-hour charge will be $6.434/100    ( as $1 = 100 cents )

per​ kilowatt-hour charge = $ 0.06434    …(1)

Lets us first find the lower range of usage

Last year's lowest bill was $51.74 (including the customer charge)

So last year lowest bill = $51.74-$7.81  = $43.93   …(2)

We know that (per KWh charge)x(no. of KWh used)=Total bill. …(3)

Substituting the values from (1) & (2) we get

(0.06434)x(no. of KWh used)=$43.93

no. of KWh used=[tex]\frac{43.93}{0.06434} = 682.77 KWh[/tex]

Similarly we will solve for maximum KWh used

Lets us find the maximum range of usage

Last year's highest bill was $192.28 (including the customer charge)

So last year highest bill = $192.28-$7.81  = $184.47   …(4)

Substituting the value of (1) & (4) in (3) we get

(0.06434)x(no. of KWh used)=$184.47

no. of KWh used=[tex]\frac{184.47}{0.06434} =2867.11 KWh[/tex]

Therefore ,  the The range in which the usage vary is from 682.77 kilowatt-hours to 2867.11  kilowatt-hours.

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ST=15, SR=6, RT = ?

help

Answers

The numerical length of RT is 9 units

How to determine the length of RT?

The given parameters are

ST = 15

SR = 6

RT = ??

Assume that the point R is on the line ST, then we have the following equation

ST = SR + RT

This gives

6 + RT = 15

Subtract 6 from both sides of the equation

RT = 9

Hence, the numerical length of RT is 9 units

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find the area if the shaded figure below

Answers

Answer:

21 units²

Step-by-step explanation:

add all the squares up

The answer is 24 units.

show work needed please.

Answers

First do 7/100 to convert the percent to a decimal, you will get 0.07, now to get 7% of $5136 multiply .07 and 5136 to get 359.52. So she had to pay $359.52 in GST

researchers are concerned that the weight of the average american school child is increasing​ implying, among other​ things, that​ children's clothing should be manufactured and marketed in larger sizes. if x is the weight of school children sampled in a nationwide study without​ rounding, what is x an example​ of?

Answers

X in an example​ of stochastic variable.

What is meant by stochastic variables?

Typically, a random (or stochastic) variable is defined as a variable that can assume more than one value due to chance.

The correct answers are: (a) stochastic variable: By stochastic variable we mean a variable (here X: the weight of students) whose values are subject to variation due to chance.

Here since X is the weight of the children sampled, hence X will vary along with change in the sampling units which gets selected by chance.

Hence X for a sample A and X value for a different sample B will be different. So the values of X vary due to chance ( chance takes part in the selecton of the sample). So X is a stochastic variable.

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The complete question is -

Researchers are concerned that the weight of the average American school child is increasing implying, among other things, that children's clothing should be manufactured and marketed in larger sizes. If X is the weight of school children sampled in a nationwide study, then X is an example of a stochastic variable. a parameter. a categorical variable. a continuous variable.

What is 20 as a mixed number?

Answers

Answer:

c: 3 ⅓

Step-by-step explanation:

C has been simplified. If we converted the fraction ⅓ to 2/6 the answer would equal 20.

This is because we can do (whole number × denominator) 3 × 6 = 18 and then 18 + 2 (numerator) = 20

Answer:

Step-by-step explanation:

3.5+2=2x-10help me HELP ME JIGGABOOS

Answers

3.5 + 2 = 2x - 10
5.5 = 2x -10
+10 +10
—————————
15.5 = 2x
—— ——
2 2

7.75 = x

7.75 is the answer

PLS HELP
NOW IF POSSIBLE

Answers

Answer:

i think it is 4

Step-by-step explanation:

an equation in slope-intercept form for the line described. slope -13/5, passes through(5,-7)

Answers

Answer:

shebolixashebshe is she she is she she he she and he are in love go to xvideos.com to see them rápīng each other

Step-by-step explanation:

426;/7/(/&/)m

8.2 - 4.3 i really need help-

Answers

Answer:

3.9

Step-by-step explanation:

8.2-4.3=3.9

3.9+4.3=8.2

I don’t really understand I think it’s distance formula but I got it wrong pls help

Answers

Perimeter of rectangular garden = 34 ft

Area of rectangular garden = 60 ft²

What is the Perimeter and Area of a Rectangle?

Perimeter = 2(length + width)

Area = (length)(width)

The rectangular garden has the following vertices:

Q(-5, 3)R(7, 3)S(7, -2)T(-5, -2)

Length of the rectangular garden = QR = |-5 - 7| = |-12| = 12 units

Width of the rectangular garden = RS = |3 -(-2)| = |3 + 2| = 5 units

Perimeter = 2(length + width) = 2(12 + 5) = 34 units = 34 ft

Area = (length)(width) = (12)(5) = 60 units = 60 ft²

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neve has 12 full box of jars of slime and 7 lose jars of slime if neve has a total of 187 jars of slime which equation can be used to find the number of jars in each box

Answers

Solving a linear equation, we can see that each box has 15 jars.

Which equation can be used to find the number of jars in each box?

We know that Neve has 12 full boxes of jars of slime, and 7 jars of slime, then if each box has N jars, the total number of jars that Neve has is given by the linear equation:

12*N + 7

Now we know that Neve has 187 jars in total, then we can write:

12*N + 7 = 187

We want to find the value of N, which is the number of jars in each box, so we need to solve the linear equation:

12*N + 7 = 187

12*N = 187 - 7

12*N = 180

N = 180/12 = 15

We conclude that there are 15 jars in each full box.

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joe bought a condo for $200,000. he put down 20%, which was $40,000. how much does he owe on the condo?

Answers

By taking the difference between the total cost of the condo and the amount that he already paid, we conclude that Joe owes a total of $160,000 for the condo.

How much does he owe on the condo?

To find how much he owes on the condo, we need to find the difference between the total cost of the condo, which is $200,000, and the amount that he already paid, which is $40,000.

(Remember that difference means a subtraction)

It gives.

$200,000 - $40,000 = $160,000

In this way, we conclude that Joe owes a total of $160,000 for the condo.

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A town has accumulated 4 inches of snow and the snow depth is increasing by 3 inches every hour . a nearby town has accumulated 1 inch and the depth is increasing by 5 inches every hour. how many hours will the snowfall of the towns be equal if the snow continues at the given rates?

answer as an equation and solve, please help!!

Answers

The equation which represents the given situation as described about snow depths in the task content is; 4 + 3x = 1 + 5x and the solution is; x = 1 and a half hours.

At what time will the snow fall of the towns in discuss have the same snow depth according to the given rates?

It follows from the task content that the time at which the snowfall in the towns in discuss will be equal be determined.

According to.the word phrases given;

A town has accumulated 4 inches of snow and the snow depth is increasing by 3 inches every hour. Hence, we have;

4 + 3x.

Also, a nearby town has accumulated 1 inch and the depth is increasing by 5 inches every hour. Hence ,we have;

1 + 5x

Consequently, when the snowfalls are equal, we have;

4 + 3x = 1 + 5x

3 = 2x

x = 3/2.

x = 1 and a half hours.

Ultimately, the equation which represents the given situation as described about snow depths in the task content is; 4 + 3x = 1 + 5x and the solution is; x = 1 and a half hours.

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which expression is equivalent to startfraction startroot 2 endroot over rootindex 3 startroot 2 endroot endfraction?one-fourthrootindex 6 startroot 2 endrootstartroot 2 endrootstartfraction startroot 2 endroot over 2 endfraction

Answers

One-fourth root index 6 start root 2 - this expression is equivalent to start fraction start root 2 end root over root index 3 start root 2 end root end fraction.

What is equivalent?

A comparable is how much a substance that responds with an erratic measure of one more substance in a given synthetic response. Comparable weight can be characterized as the mass of one likeness a given substance that will consolidate with or uproot a decent amount of the other substance. Identical loads not entirely set in stone by try, however (to the extent that they are as yet utilized) are currently gotten from molar masses. Identical load in science is the most widely recognized term utilized and one of the fundamental ideas of science in the actual science part. The significance of 'identical' by and large alludes to two numbers, articulations, or amounts with a similar worth. There are numerous ways of communicating a comparable amount - it tends to be indicated either by a bar or an identical image.

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Plot the number -5/2 on the number line below by dragging the given point.

Answers

Plot it halfway between -2 and -3

Mason is going to an amusement park. The prize of the admission into the park is $30, and once he is inside the park, he will have to pay $2 for every ride he rides on. How much money would mason have to pay in total if he goes on 9 rides? How much would he have to pay if he goes on r rides

Answers

Answer: $48 for 9 rides

$(30+2r) for r rides

Step-by-step explanation:

r=rides. t=total money spent

t=30+2r

t=30+2(9)

t=30+18

t=$48 for 9 rides

t=$(30+2r) for r rides

Mason has to pay $48 as total if he goes on 9 rides and he would have to pay a total of $30 + $2r if goes on r rides.

If Mason goes on 9 rides, we can calculate his total cost using the given information.

Admission cost: $30

Cost per ride: $2

Number of rides: 9

Total cost = Admission cost + (Number of rides × Cost per ride)

Total cost = $30 + (9 × $2)

Total cost = $30 + $18

Total cost = $48

Now, let's calculate how much he would have to pay if he goes on "r" rides.

Total cost = Admission cost + (Number of rides × Cost per ride)

Total cost = $30 + (r × $2)

Total cost = $30 + $2r

So, if Mason goes on 9 rides, he would have to pay a total of $48 and  if Mason goes on "r" rides, he would have to pay a total of $30 + $2r.

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Root 40 to the nearest 10

Answers

Root 40 to the nearest 10 is 6.3

The root of a number in math is a number that when multiplied by itself produces the original number. For example, the square root of 49 is 7 because 7×7=49.

Rounding off to the nearest 10 means that we wish to round off the last two digits of a number, that is up to the tens place of a number.

We have been given that 40 is the number whose root we have to round off so here are step-by-step instructions for how to get the square root of 40 to the nearest tenth:

Step 1: Calculate. We calculate the square root of 40 to be: √40 = 6.32455532033676.

Step 2: Reduce. 6.32.

Step 3: Round. Round 6.32 so you only have one digit after the decimal point to get the answer: 6.3.

So therefore the nearest 10 of root 40 is 6.3

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1/2 log25/4base10-2log4/5base10+log320/125base10

Answers

Answer: 1

Step-by-step explanation:

[tex]\displaystyle\\\frac{1}{2}lg\frac{25}{4} -2lg\frac{4}{5} +lg\frac{320}{125}=\\\\lg\sqrt{\frac{5^2}{2^2} } -lg(\frac{4}{5})^2+lg\frac{5*64}{5*25}=\\\\lg\sqrt{(\frac{5}{2})^2 } -lg\frac{4^2}{5^2} +lg\frac{64}{25}=\\\\[/tex]

[tex]lg\frac{5}{2} -lg\frac{16}{25}+lg\frac{64}{25} =\\\\ lg\frac{5}{2}+lg\frac{64}{25} -lg\frac{16}{25} =\\\\lg\frac{5*64}{2*25} -lg\frac{16}{25}=\\\\ lg\frac{5*2*32}{2*5*5}-lg\frac{16}{25}= \\\\lg\frac{32}{5}-lg\frac{16}{25}=\\\\lg\frac{32*25}{5*16}=\\\\lg\frac{16*2*5*5}{5*16} =\\\\lg(2*5)=\\\\lg10 =\\\\1[/tex]

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