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Nesterboy [21]
3 years ago
13

Which of these best explains the next step to simplify this expression? 3y−45=35y−4 Question 22 options: Make the –4 exponent in

the denominator positive. Add 5 to –4. Keep the exponent in the denominator –4. Multiply 5 by –4.
Mathematics
1 answer:
NISA [10]3 years ago
3 0

The value of y from the give expression is 1

<h3>Expressions and equations</h3>

Give the following expression

\frac{3y^{-4}}{5} = \frac{3}{5y^{-4}}

Cross multiply the given expression

3y^{-4}\times 5y^{-4}= 5 \times 3\\15y^{-8}=15\\

Divide both sides by 15

y^{-8}=1\\\frac{1}{y^8} =1\\y^8=1\\y=1

Hence the value of y from the given expression is 1

Learn more on indices here: brainly.com/question/10339517

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Use the diagram below to find the indicated ratios.
Tanzania [10]

Answer:

Sin A = 20/29

Cos A = 21/29

Tan A = 20/21

Sin C = 21/29

Cos C = 20/29

Tan C = 21/20

Step-by-step explanation:

Sine is opp/hyp, cosine is adj/hyp, and tangent is opp/adj.

3 0
3 years ago
Plz, help brainliest look at the picture PLZ HELP!!!
Luda [366]

Answer:

i think its B

Step-by-step explanation:

4 0
3 years ago
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forsale [732]

Answer:

D

Step-by-step explanation:

8x^3+12x=\\4(2x^3+3x)=\\4x(2x^2+3)

Therefore, the correct answer is D. Hope this helps!

8 0
3 years ago
The measure of an angle is 61°. What is the measure of its supplementary angle?​
MrMuchimi

Answer:

119°

Step-by-step explanation:

if sum of two angles=180,then they are supplementary.

61+x=180

x=180-61=119

5 0
3 years ago
What is an equation of the line that passes through the points (-7, -4) and (6, -4)
Leokris [45]

Answer: y=3

Step-by-step explanation:

first, you need to find the slope using the slope formula (y2-y1/x2-x1)

-4--4/6--7 = 0/13 which equals 0

now you fill it into the point-slope form (y=m(x-x1)+y1)

y=0(x--7)-4

you distribute and get

y=3

8 0
2 years ago
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