3 years ago

Write an algebraic expression with the constant 7 and the variable y

1 answer:

6 0

Here are a few algebraic expressions that include
the constant ' 7 ' and the variable 'y' :

7y

2y + 7

(y + 3) · (y - 7)

7 sin(y)

7x² +43z - 0.1y

√7 / y

19 y⁷

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Select the equivalent expression. <br><br> A, B or C?

Alina [70]

Answer:

Step-by-step explanation:

The relevant rules of exponents are ...

(a^b)^c = a^(bc)

a^-b = 1/a^b

$\left(\dfrac{2^{-10}}{4^2}\right)^7=\dfrac{2^{(-10)(7)}}{4^{(2)(7)}}=\dfrac{2^{-70}}{4^{14}}\\\\=\boxed{\dfrac{1}{2^{70}\cdot 4^{14}}}$

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Answer:

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Step-by-step explanation:

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2 years ago

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Alex Ar [27]

(x + 6) (x + 6)

(x + 6)^2

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3 years ago

List the following numbers in order from least to greatest. <br><br> 2, -3, 9 what is this

scoundrel [369]

-3, 2, 9 hope this helpedd

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2 years ago

Read 2 more answers

Which equations represent the line that is parallel to 3x − 4y = 7 and passes through the point (−4, −2)? Check all that apply.

DIA [1.3K]

Reta a:

$3x-4y=7 \\ -4y=-3x+7 \\ 4y=3x-7 \\ y= \frac{3}{4}x- \frac{7}{4}$

reta x:

$y=ax+b$

Retas paralelas possuem coeficientes angulares iguais ⇒ mₐ=mₓ

$y= \frac{3}{4}x+b$

(-4,-2)

$\frac{3}{4}.(-4)+b=-2 \\ -3+b=-2 \\ b=-2+3 \\ b=1$

∴ y=3/4x+1

8 0

3 years ago