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bazaltina [42]
4 years ago
9

Work out: 2/7 divided by 7/8

Mathematics
2 answers:
lesantik [10]4 years ago
6 0

Answer:

16/49

Step-by-step explanation:

2/7 ÷ 7/8

Reciprocal.

2/7 × 8/7

Multiply.

16/49

The fraction cannot be simplified further.

svetoff [14.1K]4 years ago
6 0

Answer:

16/49

Step-by-step explanation:

2/7 X 8/7= 16/49

It is the rule of this question. Basically, when you see dividy you have to change dividy to times and flip the second fraction.

For example,

2/7 divided by 7/8

2/7 X 8/7= 16/49

I hope that helped you.

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I need help with this question please !!
RSB [31]

Answer:

100, because 180 - 50 - 90 = 40

The vertical angles theorem is applied, so now angle DCE is 40

And since CE = ED, its isosceles triangle, so base angles are equal, so 40 and 40.

180 - 80 = 100 = Angle E.

4 0
3 years ago
What is the value of x?<br> pls help im so confused
Makovka662 [10]

In the proportional theory,

28 units is the total measurement that includes 8 units.

So, 10 + 3x - 5 is the total measurement that includes 10 units proportionally.

This means,

28 = 10 + 3x - 5

Now solve for x,

28 = 10 + 3x - 5

28 - 10 = 3x - 5

18 + 5 = 3x

23 = 3x

23 / 3 = x

So x = 23/3 or 7.6666....

5 0
3 years ago
Sam has 2 brothers. His brothers are 5 cm shorter and 7 cm shorter than him. Sam's height is 140 cm. What is the median height o
pochemuha

Answer:

The median height of Sam and his brothers is 135.

Step-by-step explanation:

First, let's find the age of Sam's brothers:

B_{1} = 140 cm - 5 cm = 135 cm

B_{2} = 140 cm - 7 cm = 133 cm

The median height of Sam and his brothers is given by the middle number of the three values arranged from lowest to highest:

133   <u>135</u>   140                      

<em>Since the middle number is 135, then the median height is 135. </em>

Therefore, the median height of Sam and his brothers is 135.

I hope it helps you!

3 0
3 years ago
What is 7/9 ÷ 1/3 plz help ​
murzikaleks [220]

Answer: 7/3

Step-by-step explanation:

To divide fractions, you can use the "keep, change, flip" method.

1. Keep the first fraction (7/9) as is.

2. Change the division sign to a multiplication sign.

3. Flip the second fraction (i.e. find the reciprocal). This means 1/3 changes to 3/1.

Rewrite the equation:

7/9 x 3/1

Multiply the numerators and the denominators together, respectively.

21/9

Simplify:

7/3

6 0
3 years ago
Read 2 more answers
F(x) = 3x + 27 find the function algebraically
Alika [10]

Answer:

everything that you need to know about that function!

Step-by-step explanation:

https://www.symbolab.com/solver/pre-calculus-functions-calculator/f%5Cleft(x%5Cright)%3D3x%2B27

3 0
4 years ago
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