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My name is Ann [436]
3 years ago
10

For questions 1 and 2, simplify the expression. Then, identify the terms, constants, and coefficients of the simplified expressi

on.
1. 8x2 - 3x + 6x2 + 5x - 9



2. 5(2x + 4) + 3x



For question 3, translate the verbal expression to an algebraic expression. Then, identify the terms, constants, and coefficients.

3. The product of three and x, added to 4



4. Explain what the expression 7(3x) does not equal 21x, but (5*2)x does equal 10x.



5. A bank account balance for an account with an initial deposit of P dollars eans interest at an annual rate of r. The amount of money in the account after n years is described using the following expression: P(1+r)n. What effect does increasing the value of r have on the amount of money after n years?



6. A cell phone company bills on a monthly basis. Each bill includes a $19.95 service fee (which includes 500 minutes), a $3.95 tax, and a $0.15 per minute fee for each minute over the first 500 minutes. Write an expression that describes the cost of a month's bill. Then, tell how the expression would change if the service fee were reduced.
Mathematics
1 answer:
natta225 [31]3 years ago
5 0

Answer:

are the first 2 power of two like ur question is confusing

Step-by-step explanation:

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7th grade math help me pleaseeee
garik1379 [7]
The answer to how many batches is 9, hope this helped.
4 0
3 years ago
Using graph paper, determine the line described by the given point and slope. Click to show the correct graph below.
Alenkinab [10]

Answer:

Probably the 1st picture.

Step-by-step explanation:

keep in mind, the center is 0.

7 0
3 years ago
HELP ASAP plz, 45 pts
torisob [31]

Answer:

She didn't take the LCM, made an error while cross multiplying

x = -6

Step-by-step explanation:

a)she didn't take the LCM before cross multiplying.

Also, didn't cross multiply correctly

b) 1 -2/(x-2) = (x+1)/(x+2)

1 - 2/(x-2) = (x+2-1)/(x+2)

1 - 2/(x-2) = 1 - 1/(x+2)

1 - 2/(x-2) = 1 - 1/(x+2)

-2(x+2) = -1(x-2)

-2x-4 = -x+2

x = -6

8 0
3 years ago
A group of students is given a 10 by 10 grid to cut into individual unit squares. The challenge is to create two squares using a
givi [52]

Answer:

8 is the side length of the greater square.  100=x^2+(x-2)^2

Step-by-step explanation:

64+36=100

8 squared plus 6 squared equals 10 squared

8 is 2 more than 6

100=x^2 +y^2

x-y=2

100=x^2+(x-2)^2

7 0
3 years ago
In Ms. Dole's class, students received grades of 87, 72, 99, 93, and 84 on yesterday's quiz. What was the mean of the quiz grade
Naddika [18.5K]
Hello!

The mean is the average of the numbers

To find the average you add them all up and divide the sum by the amount of numbers added

87 + 72 + 99 + 93 + 84 = 435

Divide the sum by the amount of numbers added

435 / 5 = 87

The answer is 87

Hope this helps!
4 0
3 years ago
Read 2 more answers
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