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nignag [31]
4 years ago
15

Divide: −54 ÷ −9 = pls help llllllllllllllll

Mathematics
2 answers:
klio [65]4 years ago
6 0

Answer:

6

Step-by-step explanation:

-54 / -9

ok so first of all we can just change them to positive

54 / 9

this is what goes on in my head

the 2 digits equal 9

a number times 9 is just that number less then that number times 10

54 / 9 = 6

-54 / -9 = 6

horrorfan [7]4 years ago
4 0

Answer:

Step-by-step explanation:

When you divide two negative numbers, the negative sign cancels. So you just get an answer of 6.

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Jessie works at least 36 hours a week. She works as a math
Olegator [25]

Answer:

The feasible region is unbounded which is the shaded portion in the graph.

Step-by-step explanation:

Given that, the number of hours Jessie works as a teacher and tutor is y and x respectively, which can't be negative.

So, x\ge0\;\cdots(i)

y\ge0\;\cdots(ii)

She works at least 36 hours a week.

\Rightarrow x+y\ge 36

\Rightarrow y\ge 36-x\;\cdots (iii)

She works as a teacher for al least twice the number of hours she works as a tutor.

\Rightarrow y\ge2x\;\cdots(iv)

The boundary of the inequalities from equations (i), (ii), (iii), and (iv) are

x=0, y=0, y=36-x and y=2x.

The feasible region is the shaded portion which is the unbounded region as shown in the graph. Any point P(x,y) from the feasible region will satisfies all the constraints.

5 0
3 years ago
A process produces a certain part with a mean diameter of 2 inches and a standard deviation of 0.05 inches. The lower and upper
Nimfa-mama [501]

Answer:

The value of Cp (measure of potential capability) is 6.33.

Step-by-step explanation:

Given information: Process average = 2 inches, process standard deviation = 0.05 inches, lower engineering specification limit = 1.6 inches and upper engineering specification limit =3.5 inches.

The formula for Cp (measure of potential capability) is

CP=\frac{USL-LSL}{6\sigma}

Where, USL is upper specification limit, LSL is specification limit, σ is process standard deviation.

Substitute USL=3.5, LSL=1.6 and σ=0.05 in the above formula.

CP=\frac{3.5-1.6}{6(0.05)}

CP=\frac{1.9}{0.3}

CP=6.3333

CP\approx 6.33

Therefore the value of Cp (measure of potential capability) is 6.33.

7 0
3 years ago
Andy played golf three times during his vacation. His scores were 92, 87, and 88. What was his average golf score during his vac
kykrilka [37]

Answer:

89

Step-by-step explanation:

To solve for the average score, add up all of the values of the scores and then divide it by the amount of times he played:

A=(92 + 87 + 88)/3

A = 89

3 0
3 years ago
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Jeff and Marcia own a llama farm. On their farm, they have 240 llamas.
stealth61 [152]

Answer:

Step-by-step explanation:

7 0
3 years ago
What is aproxímate percent change in a temperature that went down from 120 degrees to 100 degrees
Papessa [141]

Answer:

16.7 percent

Step-by-step explanation:

you must find what percent 100 is of 120 and then subtract that percentage from 100

6 0
3 years ago
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