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3 years ago

8

Amanda's first four test scores are 77, 95, 84, and 69. What does Amanda need to score on the next test to have at least an 82 a

verage?
A) 85 or greater
B) 90 or greater
C) greater than 85
D) greater than 92

1 answer:

Anon25 [30]3 years ago

7 0

Add all 5 numbers together then divide it by five and that will give you your answer

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I really need help please help me

Savatey [412]

Okay here all the answers:

Image one:
11) D.
12) D.
13) B
Second image:
1) D (if not B)
2) A
3) D
4) B
5) C
6) D
7) C
8) B
9) C (if not D)
10) D

I hope this helped you!! :)

Tell me if you want step by step on any of them.

Keep rocking!!

(When I say “if not __” that means I was a bit unsure, but mostly confident. So don’t worry, just go with the first option. :)

8 0

2 years ago

Please help me . please and thank you !!.

Vesna [10]

18) Value of b is : $b\geq 8$

Option A is correct.

19) Option C is correct.

Step-by-step explanation:

18) We need to find the value of b.

The given equation is:

$12b-46\geq 50$

Solving to find the value of b:

$12b-46\geq 50\\12b\geq 50+46\\12b\geq 96\\b\geq \frac{96}{12}\\b\geq 8$

So value of b is : $b\geq 8$

Option A is correct.

19) We need to find the correct graph of the equation:

$4y-2$

Solving:

$4y-2$

The values of y will be less than three. As y < 3 so, the circle on y is not filled.

So. Option C is correct.

Keywords: Solving Inequalities

Learn more about Solving Inequalities at:

#learnwithBrainly

7 0

2 years ago

Helppp meeee plssss with this pls

andre [41]

Your answer is 10.65

6 0

2 years ago

What is the rate of change and initial value for the linear relation that includes the points shown in the table? x; 1,3,5,7

BARSIC [14]

Answer:

The rate of change is -5

The initial value is 25

Step-by-step explanation:

Since, this is a linear relation

so, we can select any two points and find equation of line

points are (1,20) and (3,10)

so,

$x_1=1,y_1=20$

$x_2=3,y_2=10$

now, we can find slope

$m=\frac{y_2-y_1}{x_2-x_1}$

now, we can plug values

$m=\frac{10-20}{3-1}$

$m=-5$

now, we can use point slope form of line

$y-y_1=m(x-x_1)$

now, we can plug values

$y-20=-5(x-1)$

now, we can solve for y

$y=-5x+25$

we know that

slope is the rate of change

So, the rate of change is -5

For finding initial value , we can plug x=0 and find y

$y=-5\times 0+25$

$y=25$

So, initial value is 25

3 0

2 years ago

Please help me this is due in 30 minutes

ra1l [238]

1. A
2. C
3. C
4. A

I’m not so sure about number 4 tho!!

4 0

3 years ago

Read 2 more answers