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4 years ago

What ratio is equivalent to 4 : 28

Mathematics

2 answers:

Aneli [31]4 years ago

7 0

Answer:

1:7

Step-by-step explanation:

We can look at this like simplifying fractions. The fraction would be 4/28, and all we need to do is find the highest number that both the numbers are equally divisible by. In this case, that number is 4. 4/4=1 and 28/4=7 so the new fraction is 1/7. Then we replace the division sign with : to signify a ratio, thus getting 1:7.

klasskru [66]4 years ago

6 0

Answer:

2 : 14

Step-by-step explanation:

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What is the value of the discriminant for the quadratic equation –3 = –x2 + 2x?

Reptile [31]

Answer:

-8

Step-by-step explanation:

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3 years ago

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In AXYZ, Z = 75 inches, x = 26 inches and ZY=135º. Find the length of<br> y, to the nearest inch.

klasskru [66]

Answer:95

Step-by-step explanation:

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3 years ago

Write an equation of a like that passes through the points (9,5) and (6,7)

hodyreva [135]

Answer:

y=-2/3x+11

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(7-5)/(6-9)

m=2/-3

m=-2/3

y-y1=m(x-x1)

y-5=-2/3(x-9)

y=-2/3x+18/3+5

y=-2/3x+6+5

y=-2/3x+11

5 0

3 years ago

What is -3(4r - 8) = -36

sweet [91]

-3(4r - 8) = -36

Mutiply the bracket by -3

(-3)(4r)(-3)(-8)= -12r+24

-12r+24= -36

move +24 to the other side

sign changes from +24 to -24

-12r+24-24= -36-24

-12r= -60

divide by -12

-12r/-12= -60/-12

r= 5

Answer: r= 5

6 0

4 years ago

Read 2 more answers

Calculate the value of x.

mars1129 [50]

Answer:

49.2°

Step-by-step explanation:

To solve for x you'll need to find the cosine of x°.

To find the cosine you will need to divide the adjacent side to it by the hypotenuse.

cos x°= $\frac{17}{26}$

Using a calculator to solve you'll get that x ≈ 49.2°

3 0

3 years ago