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sergiy2304 [10]
2 years ago
9

Simplify 4/25 divided by 5/7

Mathematics
1 answer:
grigory [225]2 years ago
8 0

Answer: 28/125

Step-by-step explanation: To divide two fractions, flip the second fraction and multiply. The equation will be:

4/25 x 7/5

Multiply the numerators by the numerators and the denominators by the denominators.

4 x 7 = 28 (numerator)

25 x 5 = 125 (denominator)

Put into a fraction.

28/125

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a student scores 71 out of 100 on a test, if the maximum score on the tests is also 100, what score does the student need to mai
Nonamiya [84]
(71+x)/2=78
71+x=156
x=85

Th student needs to score a min of 85
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I’m taking a test plz anyone help!
Mandarinka [93]
Ok so, basically reflect the shape horizontally across the y - intercept. In the exact same position but reflected across. I’m not sure because I can’t really see the points. Does it give you options? Or do you have to type it?
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3 years ago
|v+8| -5=2 Help please
Galina-37 [17]

Answer:

v= -1 (BRAINLIEST PLEASE)

Step-by-step explanation:

|v+8| -5=2

Add 5 to each side

|v+8| -5=2

      +5= +5

Now you have |v+8|= 7

So what plus 8 equals 7?

-1

so now you have |-1+8| which is 7

so v= -1

3 0
3 years ago
Which of these is true and why
LuckyWell [14K]

Answer:

Step-by-step explanation:

True statements

All equallateral triangles are similar. Their sides are all in the same ratio when comparred.

All squares are similar. Same reason as equilateral triangles. All sides to both squares compared are the same.

False Statements

Isosceles triangles can and usually do have different base angles.

rectangles can have all sorts or side lengths. The only requirement is consecutive sides form right angles.

2 rhombuses can have side lengths that are in the same ratio, but the heights are not in the same ratio. That eleminates.

Answer

These are the only true ones: Statements 2 and 5 are true. The rest are not.

7 0
1 year ago
Need help asap plss.
yanalaym [24]

Answer:

EF = 20 cm

Step-by-step explanation:

Here, we want to find the length of EF

To do this, we use the principle of similar triangles

The similar triangles we are considering here will be ;

FEA and FBD

when two triangles are similar, the ratio of their corresponding sides are equal

Let us calculate DC first

we can use Pythagoras’ theorem here and it is that the square of the hypotenuse equals the sum of the square of the two other sides

Using the triangle EDC

15^2 = 12^2 + DC^2

DC^2 = 225-144

DC^2 = 81

DC = 9

So the entire length of BD is 9 + 12 = 21 cm

Thus, we have it that;

Let EF be x

so DF = 15 + x

Hence;

BD/DF = AE/EF

21/15+x = 12/x

21x = 12(15 + x)

21x = 180 + 12x

21x-12x = 180

9x = 180

x = 180/9

x = 20 cm

EF = 20 cm

6 0
3 years ago
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