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4 years ago

Help! Worth 15! AND MARK BRAINLIEST

Mathematics

1 answer:

STatiana [176]4 years ago

5 0

$9500×82÷100 =7790 so therefore the company pays $7790 while Sally pays $1710 by herself.

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Given an equation y= -8x -4. Identify the slope and y-intercept

Naddika [18.5K]

Answer:

Slope = - 8

y-intercept = - 4

Step-by-step explanation:

$y= -8x -4 \\ \\ equating \: it \: with \\ \\ y = mx + b \\ \\ slope \: (m) = - 8 \\ \\ y - intercept \: (b) = - 4$

8 0

3 years ago

Maria comprou 21 metros de corda. Depois comprou 33 metros do mesmo tipo de corda, pagando R$ 9,60 a mais do que pagou na primei

Damm [24]

Vamos calcular quantos metros de corda Maria comprou na segunda vez:

33 - 21 = 12

Ela pagou R$ 9,60 a mais na segunda compra do que na primeira.

Logo, Maria pagou R$ 9,60 em 12 metros

Agora vamos calcular quanto ela pagou por metro:

9,60 ÷ 12 = 0,80

R$ 0,80 por metro

Para saber quanto Maria gastou na primeira compra multiplicamos os 21 metros pelo seu valor unitário:

21 × 0,8 = 16,80

Resposta: R$ 16,80 Letra B

4 0

3 years ago

Read 2 more answers

The sides of a rectangle are in the ratio 4:7.

Lunna [17]

Answer:

58586

Step-by-step explanation:

gckhgcklghckhgchkc

8 0

3 years ago

A cylinder has a height of 6 inches and a radius of 2 inches. What is its volume? Use a 3.14 and round your answer to the neares

Olenka [21]

Answer:

$\boxed {\boxed {\sf 75.36 \ inches^3}}$

Step-by-step explanation:

The volume of a cylinder is found using this formula:

$v= \pi r^2h$

Th height is 6 inches, the radius is 2 inches, and we are using 3.14 for pi. Substitute the values into the formula.

$v= (3.14)(2 \ in)^2(6 \ in)$

Solve the exponent.

(2 in)²= 2 in * 2 in = 4 in²

$v= (3.14)( 4 \ in^2)(6 \ in)$

Multiply the first two number.

$v= 12.56 \ in^2 (6 \ in)$

$v= 75.36 \ in^3$

This is already to the hundredth place, so we do not need to round.

The volume of the cylinder is <u>75.36 cubic inches.</u>

6 0

3 years ago

72 is what percent of 36

Goryan [66]

So the 72 is 200% of 36

8 0

3 years ago