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charle [14.2K]
3 years ago
14

What is the remainder when 2x^2 + x - 4 is divided by 2x + 7

Mathematics
1 answer:
Sindrei [870]3 years ago
7 0

Answer:

Step-by-step explanatSolve and graph the absolute value inequality: |2x + 1| ≤ 5.

ion:

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An electrician earns 100 dollars for a project installing light fixtures. She must pay for the light fixtures herself and they c
Gnoma [55]

Answer:

y = 100 - 2.5 x is the equation that represents her total profit from

the project

Step-by-step explanation:

The given is:

1. An electrician earns 100 dollars for a project installing light fixtures

2. She must pay for the light fixtures herself and they cost 2 dollars

   and 50 cents each

3. x represent the number of light fixtures and y represent her

  total profit

Her profit is the amount of money she has left over after paying for

the light fixtures

∵ The cost of each light fixtures is 2 dollars and 50 cents

- Let us change the cents to dollar

∵ $1 = 100 cents

∴ 50 cents =  dollar

∴ 2 dollars and 50 cents = $2.5

∵ Her profit = The money she earns - The money she pays

∴ The cost of each light fixtures = $2.5

∵ She installs x light fixtures

∴ She pays 2.5 x dollar

∵ She earns $ 100 for installing x light fixtures

∵ Her profit is $y

∴ y = 100 - 2.5 x

y = 100 - 2.5 x is the equation that represents her total profit from

the project

Step-by-step explanation:

4 0
3 years ago
Reflected over the x-axis, then translated 6<br> units left
lapo4ka [179]
Take the original coordinate (x,y)
to reflect over x-axis change it to (x,-y)
*basically change the sign of y*
to translate 6 units left (x-6,y)
* basically subtract 6 from x
So your new point should be (x-6,-y)
7 0
3 years ago
John can eat a quarter of pizza in one minute . How long it take John to eat one pizza and a half?
TEA [102]

Answer:

6 minutes

Step-by-step explanation:

1 minute times six

4 0
3 years ago
Read 2 more answers
Susan volunteers at her local animal shelter. She counts the dogs and notices that there are a total of 37 dogs. Of those, 24 ar
Alchen [17]

Answer: There is 48.14% of dogs are male .

Step-by-step explanation:

since we have given that

Total number of dogs = 37

Number of dogs that are female = 24

Number of dogs that are male  is given by

37-24\\\\=13

We need to find the percentage of dogs are male:

So, Percentage of the dogs are male is given by

\frac{13}{27}\times 100\\\\=48.14\%

Hence, there is 48.14% of dogs are male .

3 0
3 years ago
Read 2 more answers
At a pet shop 5 herbals out of 15 have black hair and 3 mice out of 9 have black hair. Are the ratios the Same?
dmitriy555 [2]

Answer: Yes.

Step-by-step explanation:

First ratio

5 : 15

Simplify (divide both sides by 5)

1 : 3

Second Ratio

3 : 9

Simplify (divide both sides by 3)

1 : 3

8 0
3 years ago
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