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agasfer [191]
3 years ago
10

What number would you add to both sides of 2 + 7x = 4 to complete the square?

Mathematics
1 answer:
hammer [34]3 years ago
6 0

Answer:

{7/2)2

Step-by-step explanation:

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Solve please. *Picture Included*
Juliette [100K]
I think the answer would be 1.8
8 0
3 years ago
Solve the system of equations y = x + 5 and y = 5x - 11 using a graphical method.
tresset_1 [31]

You can use substitution for this.

x+5 = 5x -11

Combine like terms

16=4x

Divide 4 on both sides to isolate the x

x=4

Plug x=4 to one of the equations

y= 4 +5

Combine like terms

y=9

So the answer is A. (4,9)

I hope this helps you out a bunch hun :)

4 0
3 years ago
Lucy has 1/5 of a pound of chocolates. She would like to make 4 gift bags with chocolates for her teachers.
Lapatulllka [165]

Answer:

0.05 pound of chocolate per gift bag or 1/20 pound of chocolate per gift bag

Step-by-step explanation:

1/5 divided by 4

=0.05 pound of chocolate per gift bag or 1/20 pound of chocolate per gift bag

-----------------------------------------------------------------------------------------------------------------

<h3><em><u>Hope this helped!! </u></em></h3>
3 0
3 years ago
A​ student's course grade is based on one midterm that counts as 5​% of his final​ grade, one class project that counts as 25​%
Mumz [18]

Answer:

His overal final score is 81.2. His letter grade is a B.

Step-by-step explanation:

Weighed average:

The sum of all values multiplied by it's weight. The weight is a proportion(a value between 0 and 1).

So.

Score of 72 on the midterm, which counts 5%.

Score of 83 on the project score, which counts 25%.

Score of 91 on homework assignments, which counts 35%.

Score of 74 on the final exam, which counts 35%.

His grade is:

G = 72*0.05 + 83*0.25 + 91*0.35 + 74*0.35 = 82.1.

His overal final score is 81.2.

At least 80 but less than 90 is a​ B

So his letter grade is a B.

7 0
3 years ago
Sarah is trying to convince her friend Brianna that the exponential function f(x) = 2x will eventually grow larger than the poly
atroni [7]
C) 1000.

2^1000 = 1^301, whereas 1000^30 is 1^90
5 0
3 years ago
Read 2 more answers
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