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Levart [38]
3 years ago
13

The ratio of boys to girls in the class is 2 to 8, what percent of the class is boys?​

Mathematics
2 answers:
Yakvenalex [24]3 years ago
8 0

Answer:

20%

Step-by-step explanation:

girls are 80% just so you know

Stolb23 [73]3 years ago
5 0

Answer:a) 20%

Step-by-step explanation: 2× 100/ 8+2

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Divide (16x6 − 12x4 + 4x2) by 4x2.
Degger [83]
We know that
<span>(16x6 − 12x4 + 4x2) / 4x2
is equal to
[16x6/4x2]+[-12x4/4x2]+[4x2/4x2]
=[4x4]+[-3x2]+[1]
=4x4-3x2+1

the answer is
</span>4x4-3x2+1<span>

</span>
6 0
4 years ago
Write this expression in radical form t^-3/4
ZanzabumX [31]
The first thing you should know are properties of exponents to solve the problem.
 For this case the radical form is given by the writing of the expression in the form of root.
 We have then:
 t^-3/4 =4^root(t^-3)=4^root ((1)/(t^3))
answer  t^-3/4=4^root((1)/(t^3))
5 0
3 years ago
Write and solve an equation to find the value of x and a missing angle in the triangle below.
Arturiano [62]

Answer:

x = 27°, ∠JLK = 55°

Step-by-step explanation:

From the diagram in the question above,

The exterior angle of a triangle is equal to the sum of the two opposite side

3x+13 = 39+(2x+1)

3x+13 = 40+2x

collect like terms and solve for x

3x-2x = 40-13

x = 27°.

∠JKL = 2x+1

Substitute the value of x

∠JKL = 2(27)+1

∠JKL = 54+1

∠JKL = 55°

5 0
3 years ago
Write the equation of the line parallel to 5x + y = -2 that goes through the point (2, -3).​
gladu [14]

Answer:

y = -5x + 7

Step-by-step explanation:

Slope-Intercept Form: y = mx + b

Step 1: Define

5x + y = -2

Random point (2, -3)

Step 2: Rewrite

y = -5x - 2

m = -5

Step 3: Write parallel line

y = -5x + b

-3 = -5(2) + b

-3 = -10 + b

7 = b

y = -5x + 7

8 0
3 years ago
Chelsea made monthly payments for four years before her $13,440 loan was paid off. The loan had an interest rate of 5.86%, compo
lana [24]
Given:
PV = 13,440
i = 5.86% , compounded monthly
t = 4 years

13,440(0.0586/12))/(1-(1+0.0586/12)^-48= 15,109.44 
15,109.44 + 156.60 = 15,266.04
15,266.04 - 13,440.00 =  1,826.04 
<span>1,826.04/15,266.04 = 11.96 % Percentage total of Finance Charge of the total loa</span>
6 0
4 years ago
Read 2 more answers
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