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2 years ago

Question 1 of 10

Mathematics

2 answers:

Masteriza [31]2 years ago

7 0

Answer:

Step-by-step explanation:

8x-2(x-5)=x+25

8x-2x+10=x+25

6x+10=x+25

6x-x+10=25

5x+10=25

5x=25-10

5x=15

x=15/5

x=3

masya89 [10]2 years ago

4 0

Answer:

Step-by-step explanation:

first you will distribute 8−2(−5)=+258x−2(x−5)=x+25

8−2+10=+25

Then you will combine like terms 8−2+10=+258x−2x+10=x+25

6+10=+256x+10=x+253

Last you will subtract 10 from both sides of the equation 6+10=+25

6+10−10=+25−106

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30 ft

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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3 years ago

Write the values in the boxes that make the statement true

nikklg [1K]

Answer:

$\frac{5}{3}xz^8*9x^6y^0z^2 = 15x^7z^{10}$

Step-by-step explanation:

Given

$\frac{5}{3}xz^a*bx^cy^dz^2 = 15x^7z^{10}$

Simplify

$\frac{5}{3}b*x^{1+c}z^{a+2}y^d = 15x^7z^{10}y^0$

Compare left and right sides and

Find b:

$\frac{5}{3}$ b = 15 ⇒ b = 15*3/5 = 9

Find c:

1 + c = 7 ⇒ c = 7 - 1 = 6

Find a:

a + 2 = 10 ⇒ a = 10 - 2 = 8

Find d:

d = 0

Solution is:

$\frac{5}{3}xz^8*9x^6y^0z^2 = 15x^7z^{10}$

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3 years ago

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sweet [91]

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Explanation:

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3 years ago

Find the value of x and the value of y.

Eddi Din [679]

Answer:

Option A

Step-by-step explanation:

To find all missing sides of a right triangle we use the sine, cosine or tangent ratio as below,

sinθ = $\frac{\text{Opposite side}}{\text{Hypotenuse}}$

cosθ = $\frac{\text{Adjacent side}}{\text{Hypotenuse}}$

tanθ = $\frac{\text{Opposite side}}{\text{Adjacent side}}$

Now we take an angle measuring 60°

sin(60°) = $\frac{6}{y}$

$\frac{\sqrt{3} }{2}=\frac{6}{y}$

y = 4√3

tan(60°) = $\frac{6}{x}$

√3 = $\frac{6}{x}$

x = 2√3

Therefore, Option A will be the correct option.

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3 years ago