3 years ago

PLEASE GEOMETRY HELP WILL MARK BRAINLIEST!!!

Mathematics

1 answer:

yan [13]3 years ago

7 0

D is the correct answer

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Given the sequence rn defined recursively below, find r3. r1rn=2=−rn−1+n−2

kifflom [539]

Answer:

$r_3=3$

Step-by-step explanation:

Given:

$r_1=2\\r_n=-r_{n-1}+n-2$

We want to find the value of $r_3$ .

$\\r_2=-r_{2-1}+2-2\\r_2=-r_1\\r_2=-2\\\\r_3=-r_{3-1}+3-2\\r_3=-r_{2}+1\\r_3=-(-2)+1\\r_3=2+1\\r_3=3$

7 0

3 years ago

The formula for the perimeter (P) of a rectangle is

shutvik [7]

Answer:

174

Step-by-step explanation:

L = 68

W=19

Use the formula given:

2 x 68 + 2 x 19 = 174

4 0

3 years ago

Select the number line that represents all solutions of e>-0.5. (Answer FAST!!!)

Pie

Well the answer couldn’t be C because the arrow has to go to the right not left because for the > in the equation

So the answer has to be D because the dot it on -.5 and the arrow is going right

4 0

3 years ago

A serving of raisin bread has 3 grams of fat and 150 calories. What percent of calories are from fat? Remember, there are 9 calo

Sergio039 [100]

Well, that means there are 3*9=27 cals from fat. 27/150=18% of calories.

8 0

3 years ago

Help me for this question ASAP

Ugo [173]

Answer:

Cube

Step-by-step explanation:

The cubed root of 8 = 2 because 2³ = 8.

So 8 is perfect cube.

6 0

3 years ago