What's this answer???

Answers

Answer 1

Answer: Youn could test all of the options by putting 8 and 3 in for a and b.

A. a - b = 5
8 - 3 = 5
5 = 5

B. a + b = 5
8 + 3 = 5
11 ≠ 5

C. a - b = 8
8 - 3 = 8
5 ≠ 8

D. a + b = 8
8 + 3 = 8
11 ≠ 8

As you can see, the only one that works is A. a - b = 5.

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Which point is an x-intercept of the quadratic functionf(x) = (x – 8)(x + 9)? (0,8) (0,–8) (9,0) (–9,0)
A student has earned scores of 87, 81, and 88 on the first 3 of 4 tests. If the student wants an average (arithmetic mean) of exactly 87, what score must she earn on the fourth test?

I need help with the problem

Answers

Answer:

Angle Bisector

Step-by-step explanation:

A bookmark is 9 centimeters tall and 2 centimeters wide what is its area

Answers

Answer:

length of book mark =9cm

breadth of bookmark=2cm

area of bookmark=length×breadth

=9cm×2cm

=18cm answer

Final answer:

The area of the bookmark is found by multiplying its length (9 cm) by its width (2 cm), giving a total of 18 square centimeters.

Explanation:

The area of a shape is calculated by multiplying the length by the width. In this case, the length of the bookmark is 9 centimeters and the width is 2 centimeters. So, the area of the bookmark will be 9 cm multiplied by 2 cm which equals to 18 square centimeters.

Learn more about Area Calculation here:

brainly.com/question/34380164

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4x + 2(x – 3) = 4x + 2x – 11

Answers

This problem has no real solutions. This can be irritating, because it will often make you think that you've made a mistake somewhere, but equations with variables on both sides can work out to have no real answers.

4x + 2(x - 3) = 4x + 2x - 11 Given
4x + 2x - 6 = 4x + 2x - 11 Distribute
6x - 6 = 6x - 11 Collect like terms
0 - 6 = -11 Subtract 6x from both sides
-6 = -11 This is an untrue statement, so the x is no real numbers. This can be represented as a capital R with two vertical slashes through it.

Hope this helps!

What is the unit rate if 12 pairs of socks sell for 5.79?

Answers

Each one is about 48 cents / .48

12/5.79=1/x

12x=5.79(1)

12x=5.79

[divide 12 on both sides]

x=193/400(0.4825)

A whole pie is divided into twelve equal pieces.at what angle is each pie cut?

Answers

$A\ whole\ pie\ is\ 360^o\n\nAn\ angle\ each\ pie\ cut\ is\ 360^o:12=30^o$

It's simple. If there are 360 degrees in a circle, and you're dividing that into 12 pieces, just divide 360 by 12 and get 30 degrees

Solve #1 pls, I need to find the shortest side, median side, and longest side

Answers

Answer:

Shortest side = 39 cm.

Median side = 65 cm.

Longest side = 91 cm.

Step-by-step explanation:

The perimeter in total is 195 cm. The ratio of the sides are 3 : 5 : 7.

First, find how much parts there are as a whole, by combining the ratios:

3 + 5 + 7 = 15 parts.

Divide the total of parts from the total measurement:

195/15 = 13

Each part has the measurement of 13 cm.

1 part = 13 cm.

Use the following ratio to solve for each of the sides:

Shortest side: 3

3 x 13 = 39

Shortest side = 39 cm.

Median side: 5

5 x 13 = 65

Median side = 65 cm.

Longest side: 7

7 x 13 = 91

Longest side = 91 cm.

Check. Combine all side measurements together. They should equal 195:

39 + 65 + 91 = 195

(39 + 65) + 91 = 195

(104) + 91 = 195

195 = 195 (True).

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Amanda exercised for 10 minutes every day in the first week, 20 minutes in the second week, 30 minutes in the third week, and 40 minutes in the fourth week.Billy exercised for 5 minutes every day in the first week, 10 minutes in the second week, 20 minutes in the third week, and 40 minutes in the fourth week. Which statement best describes the methods used by Amanda and Billy to increase the time they spent exercising? A) Amanda's method is linear because the number of minutes increased by an equal number every week. B) Billy's method is linear because the number of minutes increased by an equal factor every week. C) Both Billy's and Amanda's methods are exponential because the number of minutes increased by an equal factor every week. D) Both Billy's and Amanda's methods are exponential because the number of minutes increased by an equal number every week.