Mathematics High School

WILL GIVE BRAINLIEST!!!!!!!!!!!
Sally would like to have an average of 92 in her math class. She has completed four assignments with the following grades: 88, 97, 91, 86. What is the lowest grade Sally will need to make on the last assignment to meet her goal?

Answers

Answer 1

Answer:

She need to make 98 on the last assignment.

Step-by-step explanation:

Average = 92

x = mark on last assignment

(88 + 97 + 91 + 86 + x) / 5 = 92

To solve for x...multiply 5 on each side

(88 + 97 + 91 + 86 + x) / 5 * 5 = 92*5

This would get of / 5 so you don't need to divide by 5

362 + x = 460

Subtract 362 from each side

x = 98

Related Questions

30 POINTS HELP MATH PLEASE ILL GIVE BRAINIEST
Show work please :)

Answers

Answer:

Step-by-step explanation:

Answer:

71.55

Step-by-step explanation:

a2 + b2 = c2

c=square route (a2+b2)

im strugling in this question i need help plis

Answers

Box and whisker plot method. hopes this helps! :)

What is the value of e?
A. 17 B. 48 C. 136 D. 360

Answers

48˚.

Because 132˚+e˚=180 (A straight line) e=48˚

Answer:

48.

Step-by-step explanation:

B)48 is the correct answer

what is 18 rounded to the nearst 1/4

Answers

Answer:

Step-by-step explanation:

1/4 is close to 0 so 18 rounded to the nearest ones place is just 18

Answer:

Step-by-step explanation:

When we round to the nearest ten, we will round up to a number that has a zero in the ones place but we have to look at the number in the ones place before we round to determine the number in the tens place. The rule is if the number in the place before the place we need to round (in this case the ones place would be what we look at to determine the rounded tens place) 1-4 is going to round down, keeping the tens place the same and the ones place goes to zero, and if the ones number place is 5-9 then we round up, bringing the ones to zero and the tens up by one tens place.

if it takes 3 men 5 hours to dig 12 holes, how many hours does it take for 3 men to dig 84 holes?

Answers

Answer:

Hence it will take 35hours

Step-by-step explanation:

Let the time it took to dig hole be x

Ley the number of holes be n

Using the relationship x = kn (direct relationship)

if it takes 3 men 5 hours to dig 12 holes, hence;

when x = 5, n = 12

k = x/n

k = 5/12

To get how many hours it take for 3 men to dig 84 holes, then;

when n = 84, x = ?

x = 5/12 * 84

x = 5 * 7

x = 35hours

Hence it will take 35hours

What is the slope of the line?

A. 15

B. 30

C. 18

D. 25

Answers

Answer:

Step-by-step explanation:

15 is the difference between 15 and 30 where the 2 dots are at

Help me solve this problem please

Answers

Answer:

CD = 45

Step-by-step explanation:

CE = 180

( x + 6 ) + ( 4x - 21 ) = 180

5x - 15 = 180

5x = 195

x = 39

substitute x in CD

CD = x + 6

CD = 39 + 6

CD = 45

Please can someone solve thiss !!! T~T
I have no idea what its saying and Im AlMosT doNE :(
Please help , it would mean so much

Answers

Answer:

y=2x

Step-by-step explanation:

Answer:

y=2x

is the answer answer

Please help!!
the function of C gives the percentage of homes using only cell phone service X years after 2004 explain the meaning of each statement.

1. C(10)=35
2. C(x) = 10
3. how is C(10) different from C(x) = 10?

Answers

Answer:

Step-by-step explanation:

1. C(10)=35 is the percentage of homes using only cell phone service 10 years after 2004, that is, after 2014.

2. C(x) = 10 is the percentage of homes using only cell phone service x years after 2004. We must find x.

3. how is C(10) different from C(x) = 10?

In C(10), 10 measures time in years and is the independent variable here; C10) is the dependent variable. See (2), above. In C(x), x is the (unknown) independent variable, whereas 10 is the output vaue, the dependent variable.

select all of the expressions that are equivalent to 4(5) + 3 (5).

Answers

Answer:

1,4,

Step-by-step explanation:

i know

4(5)+ 3(5)
20 + 15
35
ANSWER:
7(5)

HURRY WILL MAKE BRAINLEST! Given: sin(18m-12)=cos(7m+2), find the value of m.

Answers

Answer:

m = 4

Step-by-step explanation:

In order for this equation to be true, the angles must be complementary.

So, 18m- 12 + 7m + 2 = 90

25m - 10 = 90

25m = 100

m = 4

A line passes through the point (-10, 2) and has a slope of
1/2

Answers

Answer:

Step-by-step explanation:

ANSWER QUICK PLEASE!!

The horizontal axis found on the coordinate plane is the y-axis.

true or false?

Answers

Answer:

True

Step-by-step explanation:

Answer:

false! y-axis is up and down. x-axis is side to side

Step-by-step explanation:

what is the answer to this
[tex]72 \div 9[/tex]

Answers

the answer to 72\9 = 8 (:

72/9 is 8 if u do 45/9 which is 5 just keep going up nine till u go to 72

PLEASE HELP ME WITH THIS QUESTION!

Answers

Answer:

Step-by-step explanation:

just fill in the x

ex. y=0.5x+14

y=0.5(5)+14

y=2.5+14

y=16.5

5 more than -x gives 14 express the equation

Answers

Answer:

5+(-x)=14. that is the answer

What does slope represent

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Step-by-step explanation:

The slope and y-intercept values indicate characteristics of the relationship between the two variables x and y. The slope indicates the rate of change in y per unit change in x.

Which best describes the slope of the given line

A. Negative
B. Positive
C. Vertical
D. Zero

Answers

D. because the line is flat and undefined making it 0.

D plz giv me a thank you

Three girls (Zeva, Abby and Jenny) went to a hair salon. Each girl had their hair styled (curly, straight, and wavy) and colored (blonde, red, and black). From the clues below, which chart correctly matches the girl, the hairstyle and the color?

Answers

That doesn’t make sense? Do u mean like guess on what their hair color and style could be

Answer:

You need to make the question again and include the chart.

Step-by-step explanation:

Give the number of terms:
cd + 3d2 – 2d

Give the number of terms

Answers

Answer:

Step-by-step explanation:

Given the expression

cd + 3d2 – 2d

We are to determine the number of terms

From the equation, the term so of the expression are cd, 3d^2 and -2d. From the listed functions, we can see that we only have three of them. Hence the number of terms in the expression is 3

answer in scientific notation.
4,672,000

Answers

Answer:

4.672 × 10⁶

Step-by-step explanation:

Find the GCF:
95, 145

Answers

Answer: 5

Step-by-step explanation:

Find the prime factorization of both these numbers:

95 = 5 * 19

145 = 5 * 29

The largest common factor is 5

Your answer would be 5

3.5 x 10^3 divided by 7 x 10^-2

Answers

Answer:

5 · [tex]10^{4}[/tex]

Step-by-step explanation:

(✿◡‿◡) <--- she wants Brainliest

Answer: 3.5 times 10^3 is the same as 3.5 times 1000 so you get 3,500 now 7 times 10^-2 is the same as 7 times 1/100 and you get 7/100 so now we can divide 3,500 divided by 7/100 and we get 50,000

Step-by-step explanation:

On her lunch break, Audrey grabs a meal with her two coworkers. If everyone paid an equal amount of $8.50, then how much was the total bill?

Answers

Answer:

$25.50

Step-by-step explanation:

3 people including Audrey went on the lunch break. If each spent $8.50, the total bill can be calculated in two ways

Method 1

$8.50 x 3 = $25.50

Method 2

$8.50 + $8.50 + $8.50 = $25.50

Which set of ordered pairs represents y as a function of x?
A (0, 0), { (−1, 2), (−1, −2), (−2, 4), (−2, −4)}
B {(0, 0), (1, 1), (2, 4), (3, 9), (3, 16)}
C {(0, 0), (0, 1), (0, 2), (0, −1), (0, −2)}
D {(0, 0), (−1, −0.5), (−2, −1), (−3, −1.5), (−4, −2)}

Answers

Answer:

The answer to the question would be D

Find mAPD .
60
Select one:
O a. 30 degrees
O b. 60 degrees
O c. 45 degrees
O d. 90 degrees

Answers

Answer:

I believe it's a because 90 + 60 would get you 150 and then you add 30 and it gives you 180/half a circle

Question 10
For a polygon with 10 sides, which equation below represents the sum of the interior angles in the polygon?
O sum = (180)(8) = 1440°
O sum = (360)(8) = 2880°
o sum = (360)(10) = 3600°
Osum = (180)(10) = 1800°

Answers

Answer:

I got sum = (180)(8) = 1440°

Step-by-step explanation:

PLEASE HELP (LOOK AT THE PICTURE)
Which of the equations matches the line shown in the diagram?
A
B)
y=-x-1
C)
D)

Answers

Answer:

The answer should be D) y = 5/3x - 1/3

Step-by-step explanation: The slope is positive ruling out the negative slope answers leaving C and D, however D is the only answer to get the y intercept correct.

How do long-term goals differ from short-term goals?

Answers

Step-by-step explanation:

Long-term goals require more patience than short-term goals do.

I hope it's helpful!

pls help i’ll love u forever

Answers

The answer would be 10.2418

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WILL GIVE BRAINLIEST!!!!!!!!!!! Sally would like to have an average of 92 in her math class. She has completed four assignments with the following grades: 88, 97, 91, 86. What is the lowest grade Sally will need to make on the last assignment to meet her goal?

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WILL GIVE BRAINLIEST!!!!!!!!!!!
Sally would like to have an average of 92 in her math class. She has completed four assignments with the following grades: 88, 97, 91, 86. What is the lowest grade Sally will need to make on the last assignment to meet her goal?