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liubo4ka [24]
2 years ago
5

Help ASAP pleaseeee!!!!!

Mathematics
2 answers:
Gnom [1K]2 years ago
6 0
This is the solutions to the question
Andre45 [30]2 years ago
3 0

Answer:

x = -2/ 9

Step-by-step explanation:

\frac{2}{5}(x - 2) = 4x \\  \frac{5}{2}  \times \frac{2}{5}(x - 2) = 4x \times \frac{5}{2}  \\ x - 2 = 10x \\ 9x =  - 2 \\ x =  \frac{ - 2}{9}

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PLEASE HELP ASAP 25 PTS + BRAINLIEST TO RIGHT/BEST ANSWER
Dahasolnce [82]

Factor by using the rational roots test, and find that -2 is a root.

Replace X with -2 and simplify each term.

Divide the polynomial by (x+2)

The final answer becomes x = -2 and x = -1/2 +/-√3/2i

The first choice is the correct one.

5 0
3 years ago
___(x – 2)2 − 4 = -3x2 + 12x − 16
fiasKO [112]
The answer is x= 1/5 or 0.2
8 0
2 years ago
Miranda enlarged a picture twice as shown below, each time using a scale factor of 3.
lyudmila [28]

Answer:

The area of the second enlargement is 1,944 square inches

The area of the second enlargement is (3 squared) squared times the original area.

The ratio of the area of the first enlargement to the area of the original equals the square of the scale factor

Step-by-step explanation:

<u><em>Verify each statement</em></u>

1) The area of the first enlargement is 72 square inches.

The statement is false

Because

we know that

The original dimensions of the rectangle are

length 6 inches and width 4 inches

so

First enlargement

Multiply the original dimensions by a scale factor of 3

Length: 6(3)=18\ inches\\Width: 4(3)=12\ inches

The area of the first enlargement is

18(12)=216\ in^2

2) The area of the second enlargement is 1,944 square inches

The statement is true

Multiply the dimensions of the first enlargement by a scale factor of 3

Length: 18(3)=54\ inches\\Width: 12(3)=36\ inches

The area of the second enlargement is

54(36)=1,944\ in^2

3) The area of the second enlargement is (3 squared) squared times the original area.

The statement is true

Because

The original area is 24 square inches

[(3^2)]^2(24)=1,944\ in^2

4) The area of the second enlargement is 3 times the area of the first enlargement

The statement is false

Because

3(216)=648\ in^2

so

648\ in^2 \neq 1,944\ in^2

5) The ratio of the area of the first enlargement to the area of the original equals the square of the scale factor

The statement is true

Because

The square of the scale factor is 3^2=9

and the ratio is equal to

\frac{216}{24}=9

8 0
2 years ago
Read 2 more answers
Please help!!!!!!!​
Serhud [2]

Answer:

152

Step-by-step explanation:

12+16=28 so 180 is the total and 180-28=<u>152</u>

<u />

3 0
2 years ago
10 plus 30 equals what i ont know it
ioda

Answer: 10+30=40 :)

Step-by-step explanation:

7 0
3 years ago
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