3 years ago

Whats the answer giving brainliest

Mathematics

2 answers:

Ulleksa [173]3 years ago

8 0

Answer:

A is ...................

mixas84 [53]3 years ago

7 0

Answer:

Step-by-step explanation:

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The ratio of the lengths of a triangle are 4:6:9 and its perimeter is 57cm. Find the length of the shortest side.

sergeinik [125]

Answer:12cm

Step-by-step explanation:

The ratio are:

4:6:9

Perimeter=57cm

Let a be the unknown value.

The triangle has three sides: 4a, 6a, 9a

Perimeter=The sum of three sides

57=4a + 6a +9a

57=19a

Divide both side by 19

a=57/19

a=3

Therefore

4a:6a:9a

4×3:6×3:9×3

12:18:27

So the shortest side is 12cm

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3 years ago

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Answer:

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3 years ago

What is the value of n in the proportion below n/28 = 4/7

butalik [34]

n is 16

$\frac{n}{28} = \frac{4}{7} \\ n = \frac{4 \times 28}{7} = 16$

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3 years ago

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-4x-2(8+1)=-(-2x-10)<br> Solve for x

Arada [10]

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x= -4 2/3

Step-by-step explanation:

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2. Present ages of Kiran and Syam are in the ratio 5: 4. Three years hence, the ratio of their ages will become 11:9. What is Sy

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Step-by-step explanation:

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