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Artist 52 [7]
3 years ago
14

HELP ASAP ILL GIVE YOU AN Additional 20 points PLEASE HELP IT"S DUE IN 10 mins

Mathematics
1 answer:
Brrunno [24]3 years ago
7 0
Answer: 10

Explanation: you need to first find the area of the triangle which would be 2x2x1/2 then you find the area of the rectangle which is 4x2 so 8+2=10
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What value of X makes the equation true?<br><br> 12x-15=16-3x
gogolik [260]
X= 2 1/15 or 31/15.
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3 years ago
Finding domain f(x)=3x+1/x-5
arlik [135]
The function is undefinded if the denominator, x-5, equals 0.
So x-5 \neq 0 \\ &#10;x \neq 5.
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4 0
3 years ago
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




6 0
3 years ago
Read 2 more answers
In the figure, 
Vitek1552 [10]
Angles 1,7 and 2,8 are alternate exterior angle.
6 0
3 years ago
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URGENT! <br> So I need 55 turned into a fraction, with 3 being the denominator.<br><br> Thanks
Morgarella [4.7K]
18 and 1/3


Just typing random letters
4 0
2 years ago
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