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Ksju [112]
3 years ago
12

A board 109 cm long has to be cut into two pieces so that the longer part is 10 cm more than twice as long as the shorter part.

Find the length of each part
Mathematics
1 answer:
11111nata11111 [884]3 years ago
4 0
 x = longer section
y = shorter section

x + y = 109
x = 2y + 10

so we sub in eq 2 into eq 1
2y + 10 + y = 109
3y + 10 = 109
3y = 109 - 10
3y = 99
y = 99/3
y = 33 <=== shorter section is 33 cm

x = 2y + 10
x = 2(33) + 10
x = 66 + 10
x = 76 <=== longer section is 76 cm
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3 years ago
Is 4y=16x a Direct variation
gizmo_the_mogwai [7]

In the given equation, as the value of <em>y</em> increase, the value of <em>x</em> also

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  • Yes, 4·y = 16·x is a direct variation

Reasons:

A direct variation is a relationship that exists between two variables. It is

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The given equation is 4·y = 16·x

Dividing both sides by 4 gives;

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6 0
2 years ago
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neonofarm [45]

Answer:

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C = sin^{-1}(\frac{7}{10})

C = 44.427004

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7.12 more

Step-by-step explanation:

Just add the two number together ❤

3 0
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