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Vladimir79 [104]

2 years ago

9

Match the following items by evaluating the expression for x = -7. x-2 x-1 x0 x1 x2

1 answer:

frosja888 [35]2 years ago

7 0

Answer:

${x}^{ - 2} = \frac{1}{ {x}^{2} } \: \: –> {7}^{ - 2} = \frac{1}{ {7}^{2} } = \frac{ 1}{49} \\ \\ {x}^{ - 1} = \frac{1}{ {x}^{1} } \: –> {7}^{ - 1} = \frac{1}{ {7}^{1} } = \frac{1}{7} \\ \\ {x}^{0} –> {7}^{0} = 1 \\ \\ {x}^{1} –> {7}^{1} = 7 \\ \\ {x}^{2} –> {7}^{2} = 49$

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Solve for x ~<br><img src="https://tex.z-dn.net/?f=4x%20-%2016%20%3D%2064" id="TexFormula1" title="4x - 16 = 64" alt="4x - 16 =

Naddika [18.5K]

$\qquad\qquad\huge\underline{{\sf Answer}}♨$

Let's solve for x ~

$\qquad \sf \dashrightarrow \:4x - 16 = 64$

$\qquad \sf \dashrightarrow \:4(x - 4) = 64$

$\qquad \sf \dashrightarrow \:(x - 4) = 64 \div 4$

$\qquad \sf \dashrightarrow \:x - 4 = 16$

$\qquad \sf \dashrightarrow \:x = 16 + 4$

$\qquad \sf \dashrightarrow \:x =20$

6 0

3 years ago

Read 2 more answers

What are the equations

I am Lyosha [343]

Answer:

(-3,4)

(-1,4)

(-3,7)

Step-by-step explanation:

(1,1) → (1-4, 1+3) → (-3,4)

(3,1) → (3-4, 1+3) → (-1,4)

(1,4) → (1-4, 4+3) → (-3,7)

8 0

3 years ago

Find the value of X. Write your answer in simplest form.<br>What does X equal?

drek231 [11]

<u>Given</u>:

Given that the figure of similar triangles.

The altitude of the triangle is x.

The length of the left part is 30.

The length of the right part is 15.

We need to determine the value of x.

<u>Value of x:</u>

The value of x can be determined using the geometric mean theorem.

Thus, we have;

$\frac{\text { left }}{\text { altitude }}=\frac{\text { altitude }}{\text { right }}$

Substituting the values, we have;

$\frac{30}{x}=\frac{x}{15}$

Cross multiplying, we get;

$30 \times 15= x^2$

$450=x^2$

Taking square root on both sides, we have;

$15 \sqrt{2}=x$

Thus, the value of x is 15√2

7 0

3 years ago

Apply the distributive property using the greatest common factor to write an equivalent expression. Enter your answers in the bo

Lilit [14]

Solution:

0.3 × 2.7

Using Distributive property of multiplication with respect to subtraction the value of multiplication of two rationals or two decimals

⇒0.3 × (3-0.3)

⇒ 0.3 × 3 - 0.3 × 0.3

⇒ 0.9 - 0.09

= 0.81

H C F of 0.3 and 2.7 is 0.3.

The Equivalent of product of 0.3 × 2.7 are

1.→0.9 × 0.9

2.→→ 3 × 0.27

5 0

3 years ago

tresset_1 [31]

Step-by-step explanation:

x and y are roughly in a linear relationship.

when x increases by 2 units, then also y increases by more or less 2 units.

when x increases by 3 units, then also y increases by more or less 3 units.

it is not precise, but a good approximation model.

3 0

3 years ago