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Sidana [21]
3 years ago
15

4.

Mathematics
2 answers:
chubhunter [2.5K]3 years ago
5 0

Answer:

$8

Step-by-step explanation:

we mulitiply $0.08 by our money spent,

$0.08X$100

=$8 in sales tax.

romanna [79]3 years ago
3 0

Answer:

It will be $8

Step-by-step explanation:

100x0.08=8

100+8=108

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Solve the following system of equations: −2x + y = 1 −4x + y = −1
Katyanochek1 [597]

Answer:

<h2>x = 1, y = 3 → (1, 3)</h2>

Step-by-step explanation:

\left\{\begin{array}{ccc}-2x+y=1\\-4x+y=-1&\text{change the signs}\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}-2x+y=1\\4x-y=1\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad2x=2\qquad\text{divide both sides by 2}\\.\qquad x=1\\\\\text{Put it to the first equation:}\\\\-2(1)+y=1\\-2+y=1\qquad\text{add 2 to both sides}\\y=3

5 0
3 years ago
Maggie's brother is 4 years younger than three times her age. The sum of their ages is 16.
bearhunter [10]

Answer:

Maggie is 5 years old

Step-by-step explanation:

3M-4+M=16

add 4 to both sides

4M=20

Divide both sides by 4

20/4 = 5

M/Maggie is 5

7 0
3 years ago
There are 80 people waiting to tour the science museum. The tour guide takes 4 groups of 16 people each. The remaining people wi
Anna11 [10]

Answer:

16 people

Step-by-step explanation:

Given that :

Number of people to tour = 80

Number per group = 16

Number of groups = 4

Total number of people who make up the entire groups :

Number per group * number of groups

16 * 4 = 64

The number of people in the last tour group :

80 - 64

= 16 people

7 0
3 years ago
Math I need help I'm trying to pass 6th<br><img src="https://tex.z-dn.net/?f=-6%20%2B%20%28-1%29%20%2B%20%28-4%29%20%3D" id="Tex
vlabodo [156]

Answer:

-11

Step-by-step explanation:

-6+(-1)+(-4)=-11

I hope this helps, I also think this is the answer!.

7 0
3 years ago
I need help for this
valentina_108 [34]

Answer:

1, 4                    2, -3                        3, 5.5                          4, -2.5

Step-by-step explanation:

4 0
3 years ago
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