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3 years ago

Find x. and rounddddd

Mathematics

1 answer:

Lerok [7]3 years ago

6 0

Answer:

X=117.9

Step-by-step explanation:

I got itttt

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14. A plane traveled from California and back. It took one hour longer on the way out than it did on the way back. The plane's a

kow [346]

Answer:

C. 7 hours

Step-by-step explanation:

Let the time for the trip out be represented by t. Then the time for the return trip is t-1. The distance was the same for both trips, so we have ...

distance = speed × time

300t = 350(t -1)

300t = 350t -350 . . . . eliminate parentheses

350 = 50t . . . . . . . . . . add 350-300t

7 = t . . . . . . divide by 50

The trip out took 7 hours.

8 0

3 years ago

Which of the following functions is graphed below?

Irina18 [472]

Answer:

fat bit

fat old ugly

Step-by-step explanation:

5 0

3 years ago

When 2(3/5 x + 2/3 y - 1/4 x -1 1/2 y + 3 )is simplified, what is the resulting expression?

vovangra [49]

Answer:

Simplifying the expression: $2(\frac{3}{5}x+\frac{2}{3}y-\frac{1}{4}x-1\frac{1}{2}y +3)$ we get $\mathbf{42x-100y-360}$

Step-by-step explanation:

We need to simplify the expression: $2(\frac{3}{5}x+\frac{2}{3}y-\frac{1}{4}x-1\frac{1}{2}y +3)$

First we will solve terms inside the bracket

$2(\frac{3}{5}x+\frac{2}{3}y-\frac{1}{4}x-1\frac{1}{2}y +3)$

Converting mixed fraction $1\frac{1}{2} y$ into improper fraction, we get: $\frac{3}{2}y$

Replacing the term:

$2(\frac{3}{5}x+\frac{2}{3}y-\frac{1}{4}x-\frac{3}{2}y +3)$

Now, taking LCM of: 5,3,4,2 we get 60

Now multiply 60 with each term inside the bracket

$2(\frac{3}{5}x\times60+\frac{2}{3}y\times60-\frac{1}{4}x\times60-\frac{3}{2}y\times60 +3\times60)\\2(3x\times12+2y\times20-1x\times15-3x\times30-3\times60)\\2(36x+40y-15x-90y-180)$

Now, combine like terms

$2(36x-15x-90y+40y-180)\\2(21x-50y-180)$

Now, multiply all terms with 2

$42x-100y-360$

So, Simplifying the expression: $2(\frac{3}{5}x+\frac{2}{3}y-\frac{1}{4}x-1\frac{1}{2}y +3)$ we get $\mathbf{42x-100y-360}$

3 0

3 years ago

The Sweater Shack is offering a 20% discount on sweaters. If the regular price of a sweateris $15.00, what is the discount? /The

Eva8 [605]

Answer:

Question #1 It is three dollars of so the cost is $12

Question #2 The answer is 6

Question #3 21.25

Step-by-step explanation:

4 0

3 years ago

Water is being poured into a container in the shape of a right circular cone with a radius of 4 ft and height of 16 ft. Find a f

zmey [24]

Answer:

$V=pi*\frac{16 h}{3}$

Step-by-step explanation:

Volume of a right circular cone can be found using the equation

$V=pi*\frac{r^{2} h}{3}$ where

r is the radius of the cone

h is the height of the cone
pi is the π constant

Since r=4ft, we can model the volume of the water in the cone in terms of the height as

$V=pi*\frac{4^{2} h}{3}$ = $pi*\frac{16 h}{3}$

8 0

3 years ago