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Minchanka [31]
3 years ago
14

Elizabeth earned a grade of 85% on her multiple-choice science final that had a total of 160 problems. How many problems on the

final exam did Elizabeth answer correctly?
Mathematics
1 answer:
Naily [24]3 years ago
7 0

Answer:

135

Step-by-step explanation: Multiply 160 by 0.85(for 85%) and you get 135

You might be interested in
Which values satisfy the inequality? |x| < 3 Choose all answers that are correct. A. x = –6 B. x = –5 C. x = –1 D. x = 2
ahrayia [7]
Lets plug in the answer choices and see which one works

A. x = -6

| -6 | < 3
6 < 3

False, so A is not the answer

B. x = -5

| -5 | < 3
5 < 3

False, so B isn't the answer

C. x = -1

| -1 | < 3
1 < 3

True, so C is the answer.

But lets just check D to make sure C is the answer.

D. x = 2

| 2 | < 3
2 < 3

False, so D isn't the answer either.


C is your answer :)
4 0
3 years ago
2. Kelsea needs a test average of at least 90 to get an "A-" this marking period in math. Her three test grades
Luda [366]

Answer:

<u>Equation:  87 + 91 + 86 + x = 360</u>

<u>Solution: 264 + x = 360</u>

<u>x = 360 - 264</u>

<u>x = 96</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

First three Kelsea's test grades : 87, 91 and 86

2. What score must she get on her fourth test to receive at least an A- ?

Define variable:  x that represents the grade needed by Kelsea on her fourth test to receive at least an A-

Equation:  87 + 91 + 86 + x = 360

Solution: 264 + x = 360

x = 360 - 264

x = 96

<u>Now you can understand if the previous work you did is correct</u>

6 0
3 years ago
When graphing a linear inequality in two variables, explain how to determine which side of the boundary line to shade. Please he
Murrr4er [49]
\ \textgreater \ means you shade the part above the line, and \ \textless \ means you shade the part under the line.

If it has an equal bar under it, like this: \leq  or \geq, then you also shade the line, by making it solid instead of dotting it.
8 0
3 years ago
A diver was swimming 62 feet below sea level. He then dove 39 feet further down. He ascended 48 feet after a while. Find the new
Harman [31]

Answer:

53 feet

Step-by-step explanation:

if you start with 62 feet and add 39 feet because he went down 62+39 you get 101 then if you subtract 48 because he went up, 101-48 you get 53 feet

6 0
3 years ago
What is the gradient?
notsponge [240]

Answer:

Gradient = 2

Step-by-step explanation:

Gradient of a line = Slope of the line

Since, slope of a line passing through two points (x_1, y_1) and (x_2,y_2) is given by,

Slope = \frac{y_2-y_1}{x_2-x_1}

Given line in the graph passes through two points (1, 0) and (2, 2)

Therefore, slope or gradient of the line = \frac{2-0}{2-1}

                                                                  = 2

Gradient = 2 will be the answer.

7 0
2 years ago
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