Mathematics Middle School

please help you will get 20 points i dont have much im sorry



Set A) Calculate the positive and negative values to solve the problems.

1) Jill owes $4 to Jennifer, $4 to Michelle, and $4 to Eileen. How much does she owe altogether?

2) Joey owes $4 to 4 different friends. How much money does he owe altogether?

3) What is the product of -7 and -6?

4) The total bill at a restaurant was $49 to be split evenly among 7 friends. How much money did each friend owe?

5) How much is -81 divided by 9?

6) How much is -100 divided by -10?

7) A group of 18 patrons each owe $15 at a restaurant. What is the total amount owed by all 18 customers?

8) What is the product of -12 and -13?

9) How much is -16 times 4?

10) What is the quotient when -45 is divided by -9?

Set B) Write an equation for each word problem. Then solve the equation

1) What number is 12 less than 35?
Equation: n = 35- 12
Solution: n = 23

2) What number added to 23 equals 41?
Equation:
Solution:

3) What number less 29 is 61?
Equation:
Solution :

4) What number added to 36 equals 53?
Equation:
Solution:

5) What number added to 19 equals 43?
Equation :
Solution:

6) What number divided by 4 equals 12?

Equation:
Solution:

7) What number times 12 equals 96?
Equation:
Solution:

8) What number divided by 8 equals 11?
Equation:
Solution :

9) What number times 19 equals 190?
Equation:
Solution:

10) What number divided into 42 equals 6?
Equation:
Solution:

Answers

Answer 1

Answers:

Set A:

1) $12

2) $16

3) 42

4) Each friend owed $7 each

5) -9

6) 10

7) $1.2

8) 156

9) -64

10) 5

Set B:

2)  Equation: x + 23 = 41

    Solution: 18

3) Equation: x - 29 = 61

   Solution: 90

4) Equation: x + 36 = 53

   Solution: 17

5) Equation: x + 19 = 43

   Solution: 24

6) Equation: x / 4 = 12

   Solution: 48

7) Equation: x * 12 = 96

   Solution: 8

8) Equation: x / 8 = 11

   Solution: 88

9) Equation: x * 19 = 190

   Solution: 10

10) Equation: x / 42 = 6

   Solution: 252

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Related Questions

HELP IS APPRECIATED!!!

A bag of marbles has equal numbers of purple (P), blue (B), and red (R) marbles. A marble is picked from the bag and replaced, then a second marble is picked. Complete parts a and b.

A) Sample space a
B) Sample space b
C) Sample space c
D) Sample space d

THE ASNWER CHOICES ARE IN THE PHOTO

Answers

Answer:

sample space d

Step-by-step explanation:

according to the question since all are equal it is d

Space d :) your welcome very much

PLEASE HELP ILL MARK U AS BRAINLIEST!!

Answers

Answer:56 1/4 or 56.25

Step-by-step explanation:

2 1/2 * 5 x 4 1/2 = 225/4 = 56 1/4 = 56.25

hope I am right

Answer:

  56 1/4 yd³

Step-by-step explanation:

You want the volume of a cuboid with dimensions 2 1/2 yards by 4 1/2 yards by 5 yards.

Volume

The volume of a cuboid is the product of its dimensions:

  V = LWH

  V = (2 1/2)(4 1/2)(5) = 225/4 . . . . . yd³

The volume of the prism is 225/4 yd³, or 56 1/4 yd³.

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Parallelogram PQRS is shown in the coordinate plane below. What is the perimeter of parallelogram PQRS?

1) Find the missing side using the right triangle shown.

2) Then find the perimeter of the parallelogram!

Answers

Answer:

1. 13

2. 42

Step-by-step explanation:

1. the hypotonus of the triangle is the answer.

2. P = 2 (8 + 13) or 42

Can you please help me??

Answers

Answer:

Multiply $55 by 0.15

Step-by-step explanation:

To find what 15% of the $55 makes we use the following expression:

55 ÷ 100 × 15

We can first divide 55 by 100.

55 ÷ 100 = 0.55

And then multiply it by 15.

0.55 × 15 = $8.25

Or, we can simply multiply $55 by 0.15 as given in the second option.

$55 × 0.15 = $.25

As we can see from the results, both ways works.
mutiply $55 by 0.15 bc its a 15 percent

A spinner with repeated colors numbered from 1 to 8 is shown. Sections 1 and 8 are purple. Sections 2 and 3 are yellow. Sections 4, 5, and 6 are blue. Section 7 is red.

spinner divided evenly into eight sections numbered 1 through 8 with three colored blue, one red, two purple, and two yellow

Determine the theoretical probability of the spinner landing on yellow, P(yellow).

0.125
0.25
0.625
0.75

Answers

Answer:

.25

Step-by-step explanation:

two sections of the spinner are yellow

2÷8= 0.25

2 yellow sections and 8 total colored sections.

Answer:

0.25

Step-by-step explanation:

Theoretical probability refers to the likelihood of an event occurring based on mathematical calculations and assumptions, without any actual experimentation or observation.

To calculate theoretical probability, divide the number of times an event can occur by the total number of possible outcomes.

[tex]\boxed{\sf Probability\:of\:an\:event\:occurring = \dfrac{Number\:of\:ways\:it\:can\:occur}{Total\:number\:of\:possible\:outcomes}}[/tex]

If the spinner is divided evenly into 8 sections, where 2 sections are yellow:

The number of ways the spinner can land on yellow is 2.The total number of possible outcomes is 8.

Therefore, the theoretical probability of the spinner landing on yellow is:

[tex]\sf P(yellow)=\dfrac{2}{8}=0.25[/tex]

Oscar sold half of his comic books and then bought eleven more. He now has 33. How many comic books did he start with? Write an equation that represents the scenario and solve the problem alegbraically.

Answers

So the answers 44 bc 44/2 (he sold half) is 22 + 11 (more that he bought) is = 33
44=(33-11)/2

      Answer:         44 comic books

Step-by-step explanation:

What's the answer to this?

Answers

Answer:

5/6

Step-by-step explanation:

√ if 1/2 test = 3/5hour

? = 1hour

√ 1/2test*1hour÷3/5hour

√ 1/2 test hour÷3/5hour

√ 1/2÷3/5test

√ 1/2*5/3 test

√ 5/6 test or 0.83333....

PLEASE HELP! I'LL MARK U AS BRAINLIEST!!

Answers

Answer: 1.02

Step-by-step explanation:

V=whl=0.8·3.2·0.4≈1.024

Answer: v=1.024

Step-by-step explanation: To find volume you use the formula v=l*w*h in this case l=0.4, w=0.8, and h=3.2. Multiplying those values gives you 1.024.

The table shows input and output values of the function y = x^2 + 12x – 2. What is an approximate solution of the equation x^2 + 12x – 2 = 0?

Answers

The following exercises try to calculate the variation rate of a quantity when the variation rate of another quantity related to it is known. In this type of exercise, the "variation rate" is interpreted as a derivative and, in most cases, it is enough to use the chain rule to obtain what is requested. You have to choose the units according to the data of the problem; For example, if a volume is measured in liters, we will have to measure lengths with decimeters.
Exercise 1. How fast does the level of the water contained in a cylindrical tank drop if we are emptying it at a rate of 3000 liters per minute?
Solution
Let r be the radius of the cylinder and h be the height measured in decimeters. Let V(t) be the volume of water, measured in liters (=dcm3), that is in the cylinder at time t measured in minutes. The information they give us is a variation rate
V(t + 1) − V(t) = −3000 liters per minute
In this type of exercise, the variation rate is interpreted as a derivative: V ′(t) = −3000. Notice that V(t + to) − V(to) u V′(to)t, so the interpretation is reasonable. The negative sign of the derivative is required since the volume decreases with time. Since the radius is constant but the height of the water depends on time, we have
and we deduce therefore
V(t) = πr2h(t)
V′(t) = −3000 = πr2h′(t)
h′(t) = −3000 decimeters per minute πr2
If we express the measurements in meters, then h ′ (t) = − 3 meters per minute. πr2
Exercise 2. A point P moves on the part of the parabola x = y 2 situated in the first quadrant in such a way that its x coordinate is increasing at a rate of 5 cm/sg. Find the speed at which point P recedes from the origin when x = 9.
Miguel Martín and Javier Pérez (University of Granada)

Solved exercises chapter 2 2 Solution
Let (x(t), y(t)) be the coordinates, measured in centimeters, of the point P at the instant t measured in seconds. They tell us that y(t) > 0 and that x(t) = y(t)2. The distance from point P to the origin is given by f (t) = px(t)2 + y(t)2 , so
′ x(t)x ′(t) + y(t)y ′(t) f (t) = px(t)2 + y(t)2
What we are asked for is f ′(to) knowing that x(to) = 9. In this case it must be y(to) = 3. We also know x′(t) = 5 (cm/sg). With this it is easy to deduce the value of y′(to) = x′(to) = 5. Finally,
2y(to) 6
′ x(to)x′(to)+y(to)y′(to) 45+3(5/6) 95
f (to)= px(to)2+y(to)2 = 81+9 =6√10 cm/s sorry is a lot

need help asap, will give BRAINLIEST!!!

Answers

Answer:

Boxes 1,2,4

those are the right answers

1 2 4 I think I’m pretty sure

Answer pleaseeeeee!!!!!!!!

Answers

Answer:

7^10 is the answer

Step-by-step explanation:

you just subtract exponents

Answer: The answer is 7^10

Step-by-step explanation:

7^15/7^5 evaluated is 282475249

After evaluating 7^15/7^5 we could then use the process of elimination

- 7^3 = 343

- 7^10 = 282475249

- 7^20 = 1341068619663960000000

and 7^75 = 2.41186503 * 20^63

So, the answer is 7^10

whats the anwer to this? sorry i'm not smart and can't figure it out myself

Answers

Answer: 35 oranges

Step-by-step explanation:

if one cup if 5 oranges then 5 oranges times 7 is 35

Cindy will need 4 cups to get total of 7 oranges . If you add 2 1/2 +1/2 + 1/2 = 7/2 this is in fraction . But if you add 2 1/2 + 1/2 +4 = 7 whole number .

PLEASE HELP ILL MARK U AS BRAINLIEST!!

Answers

Answer:

78 3/4 yd³

Step-by-step explanation:

V = LWH

V = (4 1/2 yd)(7 yd)(2 1/2 yd)

V = 9/2 × 7/1 × 5/2 yd³

V = 315/4 yd³

V = 78 3/4 yd³

who nees ponts what is 200,364,163 *50,987=

Answers

Answer:

200,364,163 x 50,987 = 102,159,676,348,181.

This is equal to 1.02159676348181 x 10^13.

Step-by-step explanation:

that would be 1.0215968e+13, otherwise known as 1.0215968 and 10 to the 13th power since it’s such a large sum! :)

Answerrrr pleaseeeeeeeeeeeee

Answers

Answer:

The 4th option, (-2)(-2)(-2)

Step-by-step explanation:

last one is your answe

— find the area in square inches of the composite figure round the answer to the nearest tenth square inch ⁉

Answers

Ur answer would 32.2sq inch lmk if u need the explanation also

Find the area of the figure.

Answers

— trapezoid area is 1/2(6)*(7+14) OR 63

— meanwhile the rectangle would be 10*5 OR 50

— then you add them together 50+63 and the total is 113

—— therefore the area is 113

P.S — LGBTQ+ rights goooo!!

The answer is 113 , that’s the answer bye

if you normally sell 72 tacos for every 50 people that stop by your taco truck, how many tacos would you sell if 275 people came to your truck?

Answers

Answer:

396 formula 72/50 x 275 please give brainliest

Step-by-step explanation:

Answer:

396 tacos

Step-by-step explanation:

for 50 people 72 tacos were sold

for 275 people a tacos were sold

50 people = 72 tacos

275 people= a tacos

cross multiplying

50 × a = 72 × 275

50a = 19800

diving both sides by 50

50a ÷ 50= 19800÷50

a=396 tacos

therefore if 275 people came,396 tacos will be sold

This question is really easy, just plsss help me?! Will give brainliest!!!

Answers

The answer is A
------------------
Have a good night

Answer:

The value of x in the regular polygon is 15.4.


What is the value of x?


The value of x is calculated as follows;The sum of the interior angles of a polygon with n sides is given by the formula;(n-2) x 180 


Since the regular polygon in question can be decomposed into 46 triangles, it has 46 x 3 = 138 sides.The value of each interior angle is calculated as;= (n - 2) x 180 / n = (138 - 2) x 180 / 138 = 169.6⁰9.5x + 26.2 = 169.69.5x = 143.4x = 15.1


Learn more about interior angles here: brainly.com/question/24966296


#SPJ1

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Order the numbers from closest to zero to farthest from zero:
4.38, l4.5l, l-4.6l, -l4.9l

HELPPPPP

Answers

The smallest number is the one closest to zero, or after zero, if it's a negative number, while the largest number is the number with the largest difference from the smallest, or the highest of value (not considering all situations). Usually, you would use the ascending order method for graphing numbers based on their value, which is indeed smallest to largest. According to thefreedictionary.com, "A function or variable continuously approaching zero as a limit." Tip: In ordering numbers based on value, the whole numbers that aren't negative are considerably believed to be the easiest numbers to order.

With that being said, here is the order of the numbers from smallest to largest:

4.38

4.5

4.6

4.9

Answer:

Here are the numbers ordered from closest to zero to farthest from zero:

4.38 (closest to zero)

4.5

-4.6

-4.9 (farthest from zero)

Step-by-step explanation:

Guidelines for a wheelchair ramp allow a maximum of 1 in. of rise for every 12 in. of run. The ramp at the left runs 6 ft 8 in. and rises 2 ft 9 in. Does the ramp meet the guidelines?

Answers

Answer:

Step-by-step explanation:

yes

Answer:

First, we need to convert the lengths of the run and rise to inches. 6 ft 8 in. is equal to 72 + 8 = 80 in. and 2 ft 9 in. is equal to 24 + 9 = 33 in.

The guidelines state that the ramp should have a maximum of 1 in. of rise for every 12 in. of run. So, if the ramp has a run of 80 in., the maximum rise should be 80/12 = 6.67 in.

The ramp at the left has a rise of 33 in., which is greater than the maximum of 6.67 in. Therefore, the ramp does not meet the guidelines.

Is there anything else I can help you with?

Step-by-step explanation:

I need help I’ve done this problem so many times I don’t get it

Answers

1 1/20 more miles than the other person

Answer: 21 more miles

Step-by-step explanation:

Gabriel ran  [tex]1\frac{1}{5}[/tex]

Logan ran   [tex]2\frac{1}{4}[/tex]

now we change to an improper fraction

Gabriel  [tex]\frac{6}{5}[/tex]

Logan  [tex]\frac{9}{4}[/tex]

now we find their LCM

LCM of 5 and 4 is 20

we convert the fraction into a number in order to know the miles taken by the two boys

Gabriel

[tex]\frac{6}{5}[/tex]×20 = 5÷20

        =4

   6×4=24miles

Logan

[tex]\frac{9}{4}[/tex]×20=4÷20

       =5

    9×5=45miles

how long Logan took more than Gabriel

45-24=21miles more

please i am almost done

Answers

Answer:

42

Step-by-step explanation:

68 - 26 = 42

Answer is 1768 deg
Have a nice day

compare the integers -2 and -10 on a horizontal number line. Which
teger is to the right of the other?
-2

Answers

Answer:

-2

Step-by-step explanation:

_______________________

' ' '

-10 -2 0

that's what the number line would look like

-2 is to the right. As it is closer to 0 on a number line.

Select the TWO correct statements. Responses A The product of 123 and 3 is less than 3.The product of 1 and 2 thirds and 3 is less than 3. B The product of 54 and 53 is less than 54 .The product of 5 fourths and 5 thirds is less than 5 fourths. C The product of 54 and 53 is greater than 54 .The product of 5 fourths and 5 thirds is greater than 5 fourths. D The product of 123 and 3 is greater than 123 .The product of 1 and 2 thirds and 3 is greater than 1 and 2 thirds. E The product of 47 and 3 is greater than 3.The product of 4 sevenths and 3 is greater than 3. F The product of 47 and 3 is less than 47 .

Answers

Answer:

the second one

Step-by-step explanation:

Worth 100 points, Will mark Brainliest.

f(x) = -(x + 1)^2 + 2; g(x) = 1/2 f(x) graph g

Answers

Answer:

f(x)=−(x+1)2+2g(x)=1/2

thank me later, happy studying!

Urgent pls, no explanation needed

Solve inequality for X

x-c/d > y (For d > 0)

A. x < dy - c
B. x > dy - c
C. x < dy + c
D. x > dy + c

Answers

Answer:

D. x > dy + c.

Step-by-step explanation:

To solve the inequality x - c/d > y, we'll isolate the variable x.

First, let's multiply both sides of the inequality by d:

d(x - c/d) > dy

Expanding the left side:

dx - c > dy

Next, let's rearrange the terms to isolate x:

dx > dy + c

Finally, divide both sides of the inequality by d:

x > dy/d + c/d

Therefore, the solution to the inequality x - c/d > y, for d > 0, is:

x > dy/d + c/d

help me pleaseeeeeeeee

Answers

Answer:

c°=62°

Step-by-step explanation:

Since the total angle is 90° & 28° is taken, then the expression for c° is 90°-28°. And 90-28=62.

62 is the best answer

I NEED HELP STAT!! 15 POINTS!!

Study the image at the left. Pay careful attention to the
notation and location of the labeled coordinates.
Which is the result of this dilation?
Enlargement
Reduction
Congruent image

What is the scale factor?
2
1/2
3/2
3

Answers

Answer:

The result of this dilation is an enlargement. The scale factor is 3.

Step-by-step explanation:

The original figure has coordinates (0,0), (1,0), (2,0), (2,1), and (1,1). The dilated figure has coordinates (0,0), (3,0), (6,0), (6,3), and (3,3). Notice that the distances between corresponding points in the original and dilated figures are all multiples of 3. This means that the dilation has a scale factor of 3.

In general, a dilation is an enlargement if the scale factor is greater than 1, a reduction if the scale factor is less than 1, and a congruent image if the scale factor is equal to 1.

Answer:3

Step-by-step explanation:

Guidelines for a wheelchair ramp allow a maximum of 1 in. of rise for every 12 in. of run. The ramp at the left runs 6 ft 8 in. and rises 2 ft 9 in. Does the ramp meet the guidelines?

Answers

Answer:

I think no...

Step-by-step explanation:

I kinda rushed so im not 100 percent sure also bc I'm not sure if this question is written as the exact problem but i got this because for every foot you csn only have one inch of rise which is 6 inches if you look at the RUN.

Answer:

First, we need to convert the lengths of the run and rise to inches. 6 ft 8 in. is equal to 72 + 8 = 80 in. and 2 ft 9 in. is equal to 24 + 9 = 33 in.

The guidelines state that the ramp should have a maximum of 1 in. of rise for every 12 in. of run. So, if the ramp has a run of 80 in., the maximum rise should be 80/12 = 6.67 in.

The ramp at the left has a rise of 33 in., which is greater than the maximum of 6.67 in. Therefore, the ramp does not meet the guidelines.

Is there anything else I can help you with?

Step-by-step explanation:

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