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3 years ago

80 POINTSType the correct answer in the box. Use numerals instead of words.

Mathematics

1 answer:

maksim [4K]3 years ago

4 0

Answer:

x=9

Step-by-step explanation:

Let's solve your equation step-by-step.

−2x+3=−15

Step 1: Subtract 3 from both sides.

−2x+3−3=−15−3

−2x=−18

Step 2: Divide both sides by -2.

−2x

−2 =-18/-2

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You need to find three numbers that come in quick succession in the order of numbers (ex. 1, 2 and 3) and which

eimsori [14]

Answer:

set middle number=x

then left side number=x-1

and right side number=x+1

(x-1)+x+(x+1)＝30

3x=30

x=10

x-1=9

x+1=11

numbers are 9,10,11

4 0

3 years ago

PLS HELP YOU HAVE 4 MIN TO ANS

stiv31 [10]

Answer:

the median number of fish caught was 5

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3 years ago

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if the function g is defined by g(x)= {x/2+5 x<7 -3x+3 x >_ 7 what is the average rate of change of g over the interval 4&

OLEGan [10]

Average rate of change = [(g(7) - g(4))/(7 - 4) + (g(8) - g(7))/(8 - 7)] = [(7/2 + 5) - (4/2 + 5)]/(7 - 5) + [(-3(8) + 3) - (-3(7) + 3)]/(8 - 7) = [(8.5 - 7)/2 + (-21 - (-18))/1] = (1.5/2 + (-3)) = 0.73 - 3 = -2.25

8 0

3 years ago

Dante bought a new graduated cylinder for his chemistry class. It holds 662.7 milliliters of liquid. If the cylinder has a radiu

Over [174]

<u>Given</u>:

Dante bought a new graduated cylinder for his chemistry class.

Volume of the cylinder = 662.7π milliliters of liquid

Converting to cubic centimeter, we get;

Volume of the cylinder = 662.7π cm³

Radius of the cylinder = 4.7 cm

We need to determine the height of the cylinder.

<u>Height of the cylinder:</u>

The height of the cylinder can be determined using the formula,

$V=\pi r^2 h$

Substituting the values, we have;

$662.7 \pi=\pi (4.7)^2h$

$662.7 \pi=\pi (22.09)h$

Dividing both sides by 22.09π, we get;

$30=h$

Therefore, the height of the cylinder is 30 cm.

Hence, Option C is the correct answer.

4 0

3 years ago

What is the answer and do you solve it

Ann [662]

Equation 1) y = -2x - 6
Equation 2) y = x + 9

Move equations around, by moving the (x)s to the left side of the equation so that x and y are on the same side.

To do so, add 2x to both sides in equation 1, and subtract x from both sides in equation 2.

1) 2x + y = 6
2) -x + y = 9

Subtract equations from each other.

3x = -3

Divide both sides by 3.

x = -1

Plug in -1 for x in first equation.

y = -2x - 6

y = -2(-1) - 6

Simplify.

y = 2 - 6

y = -4

(-1, -4) ==> x = -1, y = -4

~Hope I helped!~

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4 years ago

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