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3 years ago

Use the distributive property to write an expression equivalent to 5×(3+4)

Mathematics

1 answer:

Lubov Fominskaja [6]3 years ago

8 0

The answer is 5x times 7

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Select all values of x that make the inequality true: (x ≥ -1)

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Step-by-step explanation:

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3 years ago

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Which is the value of x in the equation 5x= 15

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It is 3 because you take 5 times 3 and it equals 15

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Jimmy wants to serve iced tea at his birthday party. He purchases 14 containers filled with 1.5 liters of tea. Approximately how

jenyasd209 [6]

Answer:

5.5 gallons

Step-by-step explanation:

set up a proportion; Liters in numerator and Gallons in denominator

let x = approx number of gallons

x 1

3.8x = 21

x = 21 ÷ 3.8

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3 years ago

Find the missing side lengths. Leave your answers as radicals in simplest form. Show your work to support your answer

kotegsom [21]

Answer

x=2 and y=2√2

Step-by-step explanation:

$\sin( \alpha ) = \frac{2 \sqrt{2} }{x } \\ x = \frac{2 \sqrt{2} }{ \sin(45) } \\ x = 4 \\ {x}^{2} = {y}^{2} + 2 \sqrt{2} \\ {4}^{2} = {y}^{2} + (2 \sqrt{2 \: )}^{2} \\ 16 = {y}^{2} + 8 \\ 16 - 8 = {y}^{2} \\ y = \sqrt{8} \\ y = 2 \sqrt{2}$

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2 years ago

Use the Perfect Square Trinomial and provide the first step to calculating 382 without a calculator.

dusya [7]

Answer:

$(40-2)^2$

Step-by-step explanation:

Given: $(38)^2$

To find: the correct option

Solution:

A binomial polynomial is a polynomial consisting of two terms.

A trinomial polynomial is a polynomial consisting of three terms.

On multiplying a binomial $(x-y)$ to itself, a perfect square trinomial $(x-y)^2$ is obtained.

Here, $38=40-2$

So, $(38)^2=(38)(38)=(40-2)(40-2)=(40-2)^2$

Here, $(40-2)$ is a binomial and it is multiplied to $(40-2)$ to get a perfect square trinomial $(40-2)^2$

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3 years ago

Use the distributive property to write an expression equivalent to 5×(3+4)​

Use the distributive property to write an expression equivalent to 5×(3+4)