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Leya [2.2K]
3 years ago
6

Graph the system of linear inequalities.

Mathematics
2 answers:
sattari [20]3 years ago
6 0

Answer:

Yes. Plug in your x and y into the first given equation and you'll see why.

(7) ≥ -(2)+1

7 ≥ -1 (7 is greater than or equal to -1)

...As well as the second equation.

(7) < 4(2)+2

7 < 8+2

7 < 10 (7 is less than 10)

Step-by-step explanation:

Ahat [919]3 years ago
4 0

Answer:

35

Step-by-step explanation:

question thingy

sorry

thanks

shorty

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Sally's pet grooming business charges $5 per cat and $10 per dog for a pet bath. She earned $550 for pet baths last month. If 20
Minchanka [31]

Answer:

45 dogs

Step-by-step explanation:

so she has $550 and she did 20 cats and it costs $5 per cat and 5 x 20 is $100 and $550 - $100 = 450 and 450 divided by 10 ( because it's $10 per dog) is 45.

8 0
3 years ago
What is the solution to the system of equations shown below?
Alexxandr [17]

Answer:

  b.  (1, 3, ­-2)

Step-by-step explanation:

A graphing calculator or scientific calculator can solve this system of equations for you, or you can use any of the usual methods: elimination, substitution, matrix methods, Cramer's rule.

It can also work well to try the offered choices in the given equations. Sometimes, it can work best to choose an equation other than the first one for this. The last equation here seems a good one for eliminating bad answers:

  a: -1 -5(1) +2(-4) = -14 ≠ -18

  b: 1 -5(3) +2(-2) = -18 . . . . potential choice

  c: 3 -5(8) +2(1) = -35 ≠ -18

  d: 2 -5(-3) +2(0) = 17 ≠ -18

This shows choice B as the only viable option. Further checking can be done to make sure that solution works in the other equations:

  2(1) +(3) -3(-2) = 11 . . . . choice B works in equation 1

  -(1) +2(3) +4(-2) = -3 . . . choice B works in equation 2

7 0
3 years ago
Solve.<br><br> m - 15 = 20<br><br> m =
Fittoniya [83]

\text{Hello There!}

\text{We are going to need to isolate the variable}

m - 15 = 20

\text{Add 15 to both sides.}

\text{We do this because we need to perform inverse operations to find} \text{the value of the variable.}

m - 15 + 15 = 20 + 15 = 35

\fbox{Therefore, your answer is going to be 35.}

\rule{300}{1.5}

7 0
2 years ago
Read 2 more answers
What is the standard deviation of the following data set?
tia_tia [17]

Answer:

D. 14.32

Step-by-step explanation:

The formula for standard deviation is:

SD = \sqrt{\frac{\sum | x-\mu|^2}{N}}

The mean μ is 33.

The (x minus μ) squared are 361, 49, 49, 361 respectively.

So that the SD = \sqrt{\frac{820}{4}} \approx 14.31782...

4 0
3 years ago
Jennie charges $200 per passenger for a sunset sailing
Over [174]

Answer:

1692.5 and -232.5

Step-by-step explanation:

6 0
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