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GREYUIT [131]
3 years ago
12

28 is 70% of what number?

Mathematics
2 answers:
sleet_krkn [62]3 years ago
7 0
Use the equation 28/.70 and you should get your answer
icang [17]3 years ago
4 0
Now I'm not 100% sure but I think the answer would be 40
You might be interested in
If you divide one irrational number by another does the result always have to be irrational
Anton [14]
No not always the answer has to be irrational.
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6 0
3 years ago
Problem . 4<br> Help anyone ? Please .
Greeley [361]

Answer:

<U= 75°

<V=65°

x=50

Step-by-step explanation:

The interior angles to a triangle always equal 180°.

Set up your equation:

180= 40+x+15+x+25

Subtract 40 from 180 to get 140. Subtract 15 from both sides. Now you have 125. Subtract the 25 from both sides. You now have 100.

Divide the 100 by 2 to find what x is because your equation is now 100=2x

x=50

v= 50+15= 65 so V is 65°

U is 50+25 so U is 75°

4 0
3 years ago
The value of y varies directly with x, and y = 343 when x = 49. find y when x = 8.
Natasha_Volkova [10]

The value of y is 56 when x = 8.

Given

y = 343 when x = 49

Value of y varies directly with x

Therefore, y ∝ x

We can write the equation with a constant 'k'

y = kx

When y = 343 and x = 49

343 = k × 49

k = 343/49

k = 7

When x = 8,

y = kx

y = 7 × 8

y = 56

The value of y is 56 when x = 8.

Find out more information about value of y here

brainly.com/question/1907608

#SPJ4

5 0
1 year ago
Solve and show all work (geometry) please and thx
elixir [45]
The angles are congruent so:
2x+20=5x-7
-3x=-27
x=9
6 0
3 years ago
Select all the ratios equivalent to 8:6.<br><br>A. 4:3<br>B. 6:8<br>C. 16:12<br>D. 10:8<br>E. 7:5​
omeli [17]

9514 1404 393

Answer:

  A, C

Step-by-step explanation:

The given ratio can be reduced by removing a factor of 2 from each element.

  8 : 6 = 4 : 3 . . . . matches A

It can be put in other forms by multiplying each element by the same factor. Using a factor of 2 on the original ratio values, we get ...

  8 : 6 = 16 : 12 . . matches C

__

Any ratio that doesn't reduce to the integer ratio 4 : 3 is not equivalent. The ratio with elements reversed (3:4) is not equivalent.

7 0
3 years ago
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