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3 years ago

Which of the following represents "eight times the difference of a number and three is sixty-four"?

Mathematics

1 answer:

ExtremeBDS [4]3 years ago

8 0

It represents 8(n - 3) = 64.

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Someone please help asap

andrew-mc [135]

Answer:

the second one

Step-by-step explanation:

because g(x) and f(x) is bout the same

6 0

3 years ago

What is 8/21 in simplifeyd

telo118 [61]

The fraction 8/21 cannot be simplified because the numerator and denominator don't have a common factor except 1.

4 0

3 years ago

Mrs. Smith has 12 times as many markers as colored pencils. The total number of markers and colored pencils is 78. How many mark

yanalaym [24]

The answer is 930, because 78 multiply 12 is 930.

3 0

3 years ago

Read 2 more answers

The angle of elevation to the top of a water tower from point A on the ground is 19.9°. From point B, 50.0 feet closer to the to

zepelin [54]

Answer:

Answer in terms of a trigonometric function :

$h = \frac{20tan(19.9)}{0.4-tan(19.9)}$

Answer in figures

$h = 190.5 feet$

Step-by-step explanation:

Consider the sketch attached below to better understand the problem.

Let x be the distance between point B and the base of the water tower.

$tan (19.9)=\frac{h}{50+x} ---------------equation 1\\$

$tan (21.8)=\frac{h}{x}----------------equation 2$

From equation 2,

$x =\frac{h}{tan21.8}=\frac{h}{0.4}$

substituting the value of x into equation 1, we get

$tan (19.9)=\frac{h}{50+(\frac{h}{0.4} )}$

$tan 19.9=h\times \frac{0.4}{20+h}$

cross multiplying,

$20\times tan(19.9) +htan(19.9)=0.4h$

$20tan(19.9)= h(0.4-tan(19.9))$

$h= \frac{20tan (19.9)}{0.4-tan (19.9)}$

The height of the tower is $h= \frac{20tan (19.9)}{0.4-tan (19.9)}$ in terms of the trig function "Tan"

The equation can simply be evaluated to get the answer in figures since the angles are given in the question

5 0

3 years ago

What value is equivalent to 2 × 3 + 4 − 6^2?<br> A) -26<br> B) -22<br> C) -2<br> D) 10

Yuliya22 [10]

Answer:

-26

Step-by-step explanation:

2 × 3 + 4 − 6^2

PEMDAS

exponents are first in this equation

2 × 3 + 4 − 36

Then multiply

6 +4 -36

Then add and subtract from left to right

10-36

-26

3 0

3 years ago

Read 2 more answers