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shutvik [7]
3 years ago
12

Can someone help me with number 4 plz I will give 30 points

Mathematics
2 answers:
djyliett [7]3 years ago
7 0

Answer:

Yes

Step-by-step explanation:

kifflom [539]3 years ago
4 0

Answer: No it is not linear

Step-by-step explanation:

As #of classes increase, free time deceases. Linear equation is when x increase, y also increases. So it is not linear.

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If a/4 = 9/a, then<br> a²=36<br> 4a = 9a<br> a + 4 = 9 + a<br> a - 4 = 9 - a
Anna [14]

Answer:

Option A is correct.

The given expression : \frac{a}{4} = \frac{9}{a} then;

a^2 = 36

Step-by-step explanation:

Given the expression: \frac{a}{4} = \frac{9}{a}

Cross multiplication the given expression following steps are as follow;

  • Multiply  numerator of the left-hand fraction by the denominator of the right-hand fraction
  • Also, Multiply numerator of the right-hand fraction by the denominator of the left-hand fraction.
  • then, set the two products equal to each other.

Using cross multiplication, on the given expression;

\frac{a}{4} = \frac{9}{a}

First multiply the numerator of the left hand fraction(i.e,a ) by the denominator of the right hand fraction (i,e a)

we have;

\frac{a \times a}{4} = 9

Simplify:

\frac{a^2}{4} =9                              [1]

now, multiply numerator of the right-hand fraction( i.e, 9) by the denominator of the left-hand fraction (i.e, 4 ) in [1]

we have;

a^2 = 9\times 4

Simplify:

a^2 = 36

Therefore, the given expression is equal to: a^2 = 36




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D bc the price is 30 %
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my yearly income is 18,000. My medical insurance premium is 230 a month. Is my medical premium 9.66% less then yearly income?
JulijaS [17]
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What is 5+5+5+5+5+5+5+5+5+5+5+5+5
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Answer:

65

Step-by-step explanation:

13x5 = 65

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Number 2 please <br> A)<br> B)
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2a. 3 degreesC

2b. -3 degrees Celsius

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