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marin [14]
3 years ago
15

Help please! I need an explanation.

Mathematics
2 answers:
Yakvenalex [24]3 years ago
5 0

Answer:

A

Step-by-step explanation:

artcher [175]3 years ago
5 0

Answer:

6.5

Step-by-step explanation:

I substituted y into the equation

so I set it up like 3x-5(-5x+32)=22

and solved from there

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Please Help Me ASAP!!!!!
docker41 [41]

Answer:

19t + 100

Step-by-step explanation:

19 per hour so multiplication

extra 100 so add that

4 0
3 years ago
Solve the equation for x.<br>​
devlian [24]

Answer:

x=1

Step-by-step explanation:

multiply both sides by 28 (it is the Least Common Multiple) which would bring your equation to be

7x-2= 4x+1

3x=3

x=1

7 0
3 years ago
Read 2 more answers
Consider the equations y = 3x and y = -12- x.
jasenka [17]

Answer:

x | -7      -5     -3  

y | -21    -15    -9

Step-by-step explanation:

y = 3x

If x = -7  then y = 3 × (-7) = -21

  x = -5  then y = 3 × (-5) = -15

  x = -3  then y = 3 × (-3) = -9

5 0
1 year ago
Simplify the following expression. (4x2 + 8x + 15) + (x2 − x − 27) − (x + 5)(x − 7)
mario62 [17]

Answer:

X^2+ 2x+35

Step-by-step explanation:

Use pemdas. Multiply the parentheses. Multiply. Collect like terms. Remove the parentheses.

3 0
3 years ago
Select the correct answer. Which number has a terminating decimal expansion? A. 2/7 B.√12 C. 5/8 D. 2/11
quester [9]

Answer:

Option C is correct option.

Step-by-step explanation:

We need to determine which number has a terminating decimal expansion.

<em>Terminating decimal </em>

<em>A decimal number that contains a finite number of digits after the decimal point is called terminating decimal . </em>

<em>for example 0.123 is terminating decimal as it has finite number of digits after decimal point.</em>

Now, we will look at each option to find the terminating decimal

A. 2/7

Converting in decimal form: 0.28571....

As it doesn't contain finite numbers after decimal point, so 2/7 is not terminating decimal.

B.√12

Converting in decimal form: 3.46410....

As it doesn't contain finite numbers after decimal point, so √12 is not terminating decimal.

C. 5/8

Converting in decimal form: 0.625

As it contain finite numbers after decimal point, so 5/8 is terminating decimal.

D. 2/11

Converting in decimal form: 0.18181....

As it doesn't contain finite numbers after decimal point, so 2/11 is not terminating decimal.

Therefore, Option C is correct option.

4 0
2 years ago
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