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g100num [7]
3 years ago
7

8.)

Mathematics
2 answers:
sweet [91]3 years ago
8 0

Answer:

22.50$

give brainiest

fomenos3 years ago
4 0

Answer:

You Owe $22.50

Step-by-step explanation: All yo do is add up all of the $ That they owe to each person and That is your answer.

You might be interested in
R/10+4=5 Can you help me balance the equation to simply? Thanks!
Dominik [7]

Subtract 4 from both sides

R/10 = 5 - 4

Simplify 5 - 4 to 1

R/10 = 1

Multiply both sides by 10

R = 1 × 10

Simplify 1 × 10 to 10

<u>R = 10</u>

3 0
3 years ago
An arithmetic sequence is defined by its 1st term a1 = 7 and the sum of the first 10 terms s10 = 25. Find the difference d of th
VARVARA [1.3K]

Step-by-step explanation:

difference is 1.8

hope it is correct

3 0
2 years ago
PLZ HELP ME:Evaluate: What is the value of the expression -5(3 + 4)?
almond37 [142]

Answer:

-35

Step-by-step explanation:

PEMDAS

7 0
3 years ago
Read 2 more answers
3 (x - 3) + x (r + 4)
docker41 [41]

Answer:

Step-by-step explanation:

3(x-3)+x(r+4)

3x-9+xr+4x

7x+9+xr

7 0
3 years ago
Answer please lot's of points.
Svetlanka [38]

Answer:

t≈8.0927

Step-by-step explanation:

h(t) = -16t^2 + 128t +12

We want to find when h(t) is zero ( or when it hits the ground)

0 =  -16t^2 + 128t +12

Completing the square

Subtract 12 from each side

-12  =  -16t^2 + 128t

Divide each side by -16

-12/-16  =  -16/-16t^2 + 128/-16t

3/4 = t^2 -8t

Take the coefficient of t and divide it by 8

-8/2 = -4

Then square it

(-4) ^2 = 16

Add 16 to each side

16+3/4 = t^2 -8t+16

64/4 + 3/4= (t-4)^2

67/4 = (t-4)^2

Take the square root of each side

±sqrt(67/4) =sqrt( (t-4)^2)

±1/2sqrt(67) = (t-4)

Add 4 to each side

4 ±1/2sqrt(67) = t

The approximate values for t are

t≈-0.092676

t≈8.0927

The first is before the rocket is launched so the only valid answer is the second one

3 0
3 years ago
Read 2 more answers
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