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storchak [24]
3 years ago
15

PLZ HELP if you dont know just dont answer i will give brainliest if you answer right

Mathematics
1 answer:
marta [7]3 years ago
6 0

Answer:  The answer for 1. is 216

The answer for 2. is 224

The answer for 3. is 90

The answer for 4. is 40

The answer for 5. should be 80

Step-by-step explanation:

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lana [24]

Answer:

5 {x}^{2}  + 2x = 7x + 3x \\ 5 {x}^{2}  + 2x = 10x \\ 5 {x}^{2}  = 10x - 2x \\ 5 {x}^{2}  = 8x \\ 5x = 8 \\ x =  \frac{8}{5}  = 1.6 \\ thank \: you

4 0
2 years ago
Two true or false :)
asambeis [7]
1. false because they have the same slope and y-intercept so they have infinite number of solutions
2. true
4 0
3 years ago
I need help with this one plz! (marking BRAINLIST) :) ​
FinnZ [79.3K]

Answer:

x=22

Step-by-step explanation:

the triangle in which x is in is an equilateral triangle.

44 is an exterior angle to that triangle.

an exterior angle is always equal to tbe sum of the opposite 2 interior angles.

because that triangle is equilateral

x =44 ÷ 2

x=22

5 0
3 years ago
Simplify (45) - (+14)​
Sveta_85 [38]

Answer:

31

Step-by-step explanation:

(45) - (+14)

45 - 14 (Negative sign is distributed)

=31

4 0
3 years ago
Read 2 more answers
.........................answer
Luda [366]

Answer:

the answer is B

Step-by-step explanation:

hoped I helped:)

8 0
3 years ago
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