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3 years ago

Which answer choice shows the equation below written in a different form? 2-5=-3

Mathematics

1 answer:

grin007 [14]3 years ago

5 0

Answer:2+3=5

Step-by-step explanation:2+3=5

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-2x + y = 4 y = x + 2 Third question^ solve the system of equations

Leya [2.2K]

Answer:

x=-2 y=0

Step-by-step explanation:

put the second equation in to the first one

-2x+x+2=4

-x=2

x=-2

y=-2+2=0

x=-2 y=0

6 0

3 years ago

5 is a _______ number. prime composite

tamaranim1 [39]

Prime number
It can only divide by the number itself and 1.

5 0

3 years ago

Benecio worked 40 hours at his two jobs last week. He earned $20 per

miv72 [106K]

Answer:

25 hours on his week job and 15 hours on his weekend job

Steps

20 times 25 is 500 for pay

18 times 15 is 270 for pay

Just add them

500 plus 270 equals 770 for pay

And 15 plus 25 is 40 total in hours

7 0

2 years ago

A chemistry professor suspects that there is a relationship between the number of classes a student misses and that student’s sc

Airida [17]

Answer:

Interference for regression

Explanation:

Interference for regression is the most suitable statistical test to use to find out if there is any link between number of missed classes and the final test scores.

Because those two variables are related and student test score can be predicted using number of classes that are missed.

5 0

3 years ago

Consumer products are required by law to contain at least as much as the amount printed on the package. For example, a bag of po

Troyanec [42]

Answer:

The average bag weight must be used to achieve at least 99 percent of the bags having 10 or more ounces in the bag=9.802

Step-by-step explanation:

We are given that

Standard deviation, $\sigma=0.2$ ounces

We have to find the average bag weight must be used to achieve at least 99 percent of the bags having 10 or more ounces in the bag.

$P(x\geq 10)=0.99$

Assume the bag weight distribution is bell-shaped

Therefore,

$P(\frac{x-\mu}{\sigma}\geq 10)=0.99$

We know that

$z=\frac{x-\mu}{\sigma}$

Using the value of z

Now,

$\frac{10-\mu}{0.2}=0.99$

$10-\mu=0.99\times 0.2$

$\mu=10-0.99\times 0.2$

$\mu=9.802$

Hence, the average bag weight must be used to achieve at least 99 percent of the bags having 10 or more ounces in the bag=9.802

5 0

2 years ago