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saw5 [17]
3 years ago
11

X : 14= 7: 8 can someone solve this for me and explain me

Mathematics
1 answer:
Vanyuwa [196]3 years ago
6 0

x:14 = 7:8

x:14 = x/14

7:8 = 7/8

x/14 = 7/8

Multiply the numerator of the 1st ratio with the denominator of the 2nd.

And multiply the numerator of the 2nd ratio with the denominator of the 1st.

Doing so, we get -

x * 8 = 7 * 14

So, 8x = 7 * 14

8x = 98

We divide 98 by 8 (transposition method)

x = 98/8

Therefore, x = 12.25

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Simplify.
g100num [7]
Slimplify 2-2/3 to 4/3

1/2*2-6*4/3

slimplify 1/2*2 to 1

1-6*4/3

slimplify 6*4/3 to 24/3

1-24/3

slimplify 24/3 to 8

1-8

slimplify

-7
3 0
3 years ago
Read 2 more answers
Find the solution set for this equation.<br> a2 + 7a=0
aivan3 [116]

Answer:

Either a= -7 or a= 0

Step-by-step explanation:

Pull out like factors:

a2 + 7a  =   a • (a + 7)

 a • (a + 7)  = 0

5 0
3 years ago
The sum of the ages of Raj and Ben is 37 years. 5 years ago, Raj's age was twice of Benn. Find their present ages. (STEP BY STEP
qwelly [4]

Answer:

Raj is 27 yrs and Be is 14 yrs

Step-by-step explanation:

let the age of Raj be x and Ben be y

case_1

x + y =37

x = 37 - y

case_2

x - 5 = 2(y -5)

x-5 = 2y -10

37 - y -5 = 2y - 10

32 + 10 = 2y + y

42 = 3y

y = 14 yrs

now,

x = 37 - 14

x = 27

8 0
3 years ago
Read 2 more answers
What is 20x20+2-27+100
kupik [55]

Answer:

475 is the answer. hope that helped

5 0
2 years ago
AI
Iteru [2.4K]

In order to find the equivalent expression, let's use the following property:

a-(-b)=a+b

In other words, when subtracting a negative number, we can just add the corresponding positive number, that is, switch the two negative signs for a positive sign.

So we have that:

\begin{gathered} 18\frac{1}{5}-(-22\frac{2}{5})-(-40\frac{1}{5}) \\ =18\frac{1}{5}+22\frac{2}{5}+40\frac{1}{5} \end{gathered}

Therefore the correct option is D.

8 0
1 year ago
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