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Stella [2.4K]
3 years ago
8

EMERGENCY HELP PLEASE

Mathematics
2 answers:
irinina [24]3 years ago
4 0
I think it would have to be 10x+21
VikaD [51]3 years ago
3 0

Answer:

11x+21

Step-by-step explanation:

blue square= x squared

green square=3x

pink square=7x

orange square=21

=

11x+21

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the distance traveled at a constant speed is directly proportional to the timeof travel olivia traveled 306 milesin 8.5 hours,ho
Andrews [41]
306 / 8.5 = 36 miles per hr

at 9.1 hrs....
36 * 9.1 = 327.6 miles <==

or this way...

306 / 8.5 = x / 9.1
cross multiply
8.5x = 2784.6
x = 2784.6 / 8.5
x = 327.6 miles
7 0
4 years ago
Write the equation of a line of a line passing through the points (3,1) and (6,3).​
maxonik [38]

Answer:

i think its 2 1

Step-by-step explanation:

5 0
4 years ago
Read 2 more answers
Does anybody know this one? 40= 15 - 9x- 2
asambeis [7]

Step-by-step explanation:

Simplifying 40 = 15 + -9x + -2

Reorder the terms: 40 = 15 + -2 + -9x

Combine like terms: 15 + -2 = 13 40 = 13 + -9x

Solving 40 = 13 + -9x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '9x' to each side of the equation. 40 + 9x = 13 + -9x + 9x

Combine like terms: -9x + 9x = 0 40 + 9x = 13 + 0 40 + 9x = 13

Add '-40' to each side of the equation. 40 + -40 + 9x = 13 + -40

Combine like terms: 40 + -40 = 0 0 + 9x = 13 + -40 9x = 13 + -40

Combine like terms: 13 + -40 = -27 9x = -27

Divide each side by '9'. x = -3

Simplifying x = -3

4 0
3 years ago
Read 2 more answers
After 8 examinations, Kacey's average was 55. Her next result increased her average to 60. What was the next score?
MatroZZZ [7]

Multiply the average by the number of exams to find total points:

8 x 55 = 440

9 x 60 = 540

The score of the 9th exam is the difference between the two totals:

540 - 440 = 100

They scored a 100

6 0
3 years ago
Please help me i really need this grade !
Goshia [24]

Answer:

C. 8

Step-by-step explanation:

still using the equation a^2 = b^2 = c^2

8 0
3 years ago
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