4 years ago

Consider the expression 4x-3 what is the value of the expression when x=7. What is the value of the expression when x=22

Mathematics

2 answers:

galben [10]4 years ago

7 0

Answer:

multiply by 4 and subtract by the 3

Step-by-step explanation:

allsm [11]4 years ago

6 0

You just plug in both numbers in the x of the equation and then multiply by 4 and subtract by the 3

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Rectangle ABCD is graphed in the coordinate plane. the following are the vertices of the rectangle: A(2,-6), B(5,-6), C(5,-2), a

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3 years ago

Which expression is equivalent to (2x + 4)2 – (2x2 + 6)?

Anettt [7]

Answer:

The correct option is B). $2x^{2}+16x+10$

Step-by-step explanation:

Given function is $(2x+4)^{2}-(2x^{2} +6)$

On simplifying,

= $(2x+4)^{2}-(2x^{2} +6)$

= $[4x^{2}+16x+16]-(2x^{2} +6)$

= $4x^{2}+16x+16-2x^{2}-6$

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3 years ago

Anybody know the answer?

Marta_Voda [28]

Use the Pythagorean theorem:

$x^2+8^2=10^2\\\\x^2+64=100\ \ \ \ |-64\\\\x^2=36\to x=\sqrt{36}\\\\\boxed{x=6}$

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4 years ago

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The length of a rectangle is 15 feet. The width is 8 feet. What is the perimeter of the

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Step-by-step explanation:

15+15+8+8= 46

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What is the value of x if 5^ x+2 =5^ 9 ? O x = - 11 O x = - 7 x = 7 x = 11 O O

Ratling [72]

Answer:

Step-by-step explanation:

5ˣ⁺² = 5⁹

log₅(5ˣ⁺²) = log₅(5⁹)

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x = 7

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3 years ago