4 years ago

How is 16/7 simplified???????

Mathematics

1 answer:

zloy xaker [14]4 years ago

3 0

You can write as 2 2/7

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PLEASE HELP! 25 PTS!!

zubka84 [21]

Answer:

Solution given:

$f(x)=\frac{x-16}{x^2+6x-40}$

$g(x)=\frac{1}{x+10}$

now

f(x)+g(x)= $\frac{x-16}{x^2+6x-40}+\frac{1}{x+10}$ ....(1)

now

factoring x²+6x-40

we get

x²+10x-4x-40

x(x+10)-4(x+10)

(x+10)(x-4)

now substituting in equation 1 ,we get

f(x)+g(x)= $\frac{x-16}{(x+10)(x-4)}+\frac{1}{x+10}$

taking l.c.m

= $\frac{(x-16)+(x-4)}{(x-10)(x-4)}$

=now

opening bracket

$\frac{x-16+x-4}{x²-10x-4x+40}$

= $\frac{2x-20}{x²+6x-40}$

answer is :

B. $\bold b\frac{2x-20}{x^2+6x-40}$

6 0

3 years ago

What is the second one

padilas [110]

C + D + E = 180
C + 63 + 35 = 180
C + 98 = 180
C = 180 - 98
C = 82°

4 0

3 years ago

Plsss help me, i need to round to the nearest angle:)

notsponge [240]

By using Pythagoras theorem.. the angle is 53 degree(rounded to the nearest angle).. so x degree =53 degree

5 0

3 years ago

What is the angle measure to the nearest whole degree of cos A= .8949

ValentinkaMS [17]

Answer:

m∠A ≈ 27°

Step-by-step explanation:

To solve this, we take the inverse cos of 0.8949. When we do so on the calculator, we get 26.5044°

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3 years ago

If a university wants to remain a 14:1 ratio between students and teachers how many teachers would be needed to accommodate 896

Rina8888 [55]

It would be 64 teachers. It is just 896 / 14.

7 0

3 years ago