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Leno4ka [110]
3 years ago
13

Solve the equation: 5x + 5 = 0

Mathematics
2 answers:
olga_2 [115]3 years ago
5 0

Answer:

x = -1

Step-by-step explanation:

Isolate the variable (x). Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.

PEMDAS = Parenthesis, Exponents (& roots), Multiplication, Division, Addition, Subtraction.

First, subtract 5 from both sides

5x + 5 = 0

5x + 5 (-5) = 0 (-5)

5x = 0 - 5

5x = -5

Next, divide 5 from both sides

(5x)/5 = (-5)/5

x = -5/5

x = -1

-1 is your answer for x.

~

Igoryamba3 years ago
3 0

Answer:

x = -1

Step-by-step explanation:

5x + 5 = 0

Subtract 5 from each side

5x+5-5 = 0-5

5x = -5

Divide by 5 on each side

5x/5 = -5/5

x = -1

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5 0
3 years ago
The function f(h)=8.5h+320 models the amount of money Amy has in her savings after each hour of work.
Ksenya-84 [330]

Answer:

a) h: Number of hours

b) Slope of function

c) y-intercept

Step-by-step explanation:

We are given the following in the question:

f(h)=8.5h+320

The above function tells us about amount of money Amy has in her savings after each hour of work.

a) value of "h"

The above function tells us about the money saved by Amy after each hour of work.

Thus, h here stands foe the number of hours.

b)  meaning of the coefficient h

Comparing the given function to a linear function:

f(h) = mh + c

Thus, coefficient of h is the slope of the function and tells the change in amount of money saved by Amy per unit hour or it tells the change in amount of money when there is a unit increase in hour.

c) meaning of constant

The constant is the y-intercept and tells the amount of money saved by Amy after she have worked for zero hours.

3 0
3 years ago
If you sleep 30% of the day, how many hours do you sleep?
liraira [26]

Answer:

7.2 hours.

Step-by-step explanation:

Search up "30% of 24"

8 0
3 years ago
Read 2 more answers
if the volume of the cube is increased by the factor of 8, what is the change in the length of the sides of the cube?
lorasvet [3.4K]

The new vol = 8 times the old vol.  Therefore the sides of the cube have been made 2 times larger.  (the cube root of 8 is 2.)

<span>Doubled: Volume increased 8 times 
Tripled: Volume increased 27 times 
Quadrupled: Volume increased 64 times 

Pretty simple. If you're doubling the lengths, you're increasing them by 2 times. Take 2 and raise it to the 3rd power. If you're tripling the lengths, you're increasing them 3 times over. Take 3 and raise it to the 3rd power. And so on. 

Doubled = 2^3 = 8 
Tripled = 3^3 = 27 
Quadrupled = 4^3 = 64 

Does that make sense?</span>

8 0
3 years ago
5x + 6y when x = 16, y = -9
atroni [7]

Answer:

26

Step-by-step explanation:

5x+6y

substitute x=16 and y=-9:

5*16+6*(-9)

=80-54

=26

5 0
3 years ago
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