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Cerrena [4.2K]
4 years ago
15

Simplify the following expression.

Mathematics
1 answer:
podryga [215]4 years ago
4 0
The answer would be D. You would cross multiply; 5*4 and 6*5, making it 20/30 and then you would divide both by 10, making it 2/3
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Atalien is 5 feet tall. His shadow is 8 feet long. At the same time of day, a tree's shadow casts a 32 feet long shadow. What is
erma4kov [3.2K]

Answer:

The tree will be 20 Ft

Step-by-step explanation:

5:8

?:32

8×4=32

5×4=20

20 is the answer

3 0
3 years ago
Read 2 more answers
Compare the line passing through the points (–2, –9) and (4, 6) to the line given by the equation y = 25x – 4.
elena-s [515]

Answer:

D. They have the same y-intercep

Step-by-step explanation:

Before the comparison will be efficient, let's determine the equation of the two points and the x intercept .

(–2, –9) and (4, 6)

Gradient= (6--9)/(4--2)

Gradient= (6+9)/(4+2)

Gradient= 15/6

Gradient= 5/2

Choosing (–2, –9)

The equation of the line

(Y+9)= 5/2(x+2)

2(y+9)= 5(x+2)

2y +18 = 5x +10

2y =5x -8

Y= 5/2x -4

Choosing (4, 6)

The equation of line

(Y-6)= 5/2(x-4)

2(y-6) = 5(x-4)

2y -12 = 5x -20

2y = 5x-8

Y= 5/2x -4

From the above solution it's clear that the only thing the both equation have in common to the given equation is -4 which is the y intercept

4 0
3 years ago
What is the value of p in the question below. 10x9/2x4= px 5
ycow [4]

Answer:

p = 5

Step-by-step explanation:

We have that:

\frac{x^{a}}{x^{b}} = x^{a-b}

So

\frac{x^{9}}{x^{4}} = x^{9-4} = x^{5}

10/2 = 5

Then

\frac{10x^{9}}{2x^{4}} = 5x^{9-4} = 5x^{5}

Finding p:

5x^{5} = px^{5}

p = \frac{5x^{5}}{x^{5}}

p = 5

7 0
3 years ago
Please help !!!!!!!!!
Dmitrij [34]

Answer:

9^2= 81, √25= 5, 21^2= 441, √4= 2, √144= 12, 16^2= 256, √625= 25, (-11)^2=121

3 0
3 years ago
Convert to standard form y=2(x+3)(x-6)
Nataly_w [17]

Answer:

the answer is 2x²-6x-36

3 0
3 years ago
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