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2 years ago

If A: B = 5:7 and B: C = 3: 5, then A :B: C is:

Mathematics

2 answers:

Sindrei [870]2 years ago

7 0

Answer:

15 : 21 : 35

Step-by-step explanation:

Now, we see that both ratios contain B.

We need to find a common value for B so all values can be linked.

Multiply Ratio 1 by 3 and Ratio 2 by 7 :

⇒ A : B = 3 × 5 : 3 × 7 = 15 : 21

⇒ B : C = 7 × 3 : 7 × 5 = 21 : 35

Now we see B has the same value in both ratios.

Hence, the ratio we need to find is :

A : B : C = 15 : 21 : 35

mel-nik [20]2 years ago

6 0

Answer:

15:21:35

Step-by-step explanation:

to find this answer you must find a ratio in which both bs are the same

multiple a:b by 3 and b:c by 7

15:21 21:35

then you can put the bs together

15:21:35

that is your answer

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2 years ago

The area of a trapezoid is 33 square meters. one base is 4 meters long and the other base is 7 meters. find the height of the tr

In-s [12.5K]

h=6
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3 years ago

Hi please help me no links thank you

olya-2409 [2.1K]

Step-by-step explanation: (I'm not gonna' do it all for you tho)

to convert from percent to fraction:

70% = $\frac{70}{100} =\frac{7}{10}$

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$\frac{11}{20}=\frac{55}{100}$ = 55%

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$\frac{3}{25} =\frac{12}{100} =0.12$

to convert from decimal to fraction:

$1.25=\frac{125}{100} =1\frac{25}{100} =1\frac{1}{4}$

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0.2% = $\frac{0.2}{100} =0.002$

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With that, you can solve the rest on your own

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2 years ago

A fish tank has 16 gallons, the length is 7 feet and the width is 2 feet.Find the hypotenuse length using the Pythagorean theore

ollegr [7]

The Pythagorean Theorem states that a² + b² = c², c being the hypotenuse.

Substitute known values into the equation.

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3 years ago

QUESTION 8

vfiekz [6]

54 percent

You add the two together to get 39, then divide 21 by 39. This gives you 0.538, which turns into 54%

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2 years ago

If A: B = 5:7 and B: C = 3: 5, then A :B: C is: ​

If A: B = 5:7 and B: C = 3: 5, then A :B: C is: