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4 years ago

Hey, I really need help on this! This work is really hard and I just need a little help to get this right. Thank you!

Mathematics

2 answers:

lorasvet [3.4K]4 years ago

8 0

B. 40 meters is the answer.

Artemon [7]4 years ago

4 0

Answer:

40 meters

Step-by-step explanation:

100 centimeters= 1 meter

4000 centimeters= 4000÷100

=40 meters

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-4(3 - 2x) + 2x = 2x4

topjm [15]

Answer:

x = 2

Step-by-step explanation:

-4(3 - 2x) + 2x = 2 x 4

-12 + 8x + 2x = 2 x 4

-12 + 8x + 2x = 8

-12 + 10x = 8

-12 + 12 + 10x = 8 + 12

10x = 20

$\frac{10x}{10} = \frac{20}{10}$

x = 2

4 0

3 years ago

What is x+2+x^2+2 what is x+2+x^2+2 what is x+2+x^2+2

xxMikexx [17]

If you factor the expression, your answer would look like this:
x + x^2 + 4
If you simplify the expression, your answer would look like this:
x^2 + x + 4

7 0

4 years ago

Read 2 more answers

ANOTHER TEST QUESTION! HELP ME! Find the link of k _____

Alecsey [184]

Answer: Try 21

Step-by-step explanation:

8 0

3 years ago

Please help

kkurt [141]

Answer:

29x – 29 = 29x – 11

Step-by-step explanation:

29x-29 = 29x-11

29x-29x = 29-11

0x = 18

6 0

3 years ago

What are the solutions to the following system? -2 x² + y = -5 y=-3x²+5

Arturiano [62]

Answer:

$x=\pm\sqrt{2}$

Step-by-step explanation:

This system of equations is convenient, because the second equation already expresses y in terms of x. Now, you can substitute that in.

$-2x^2-3x^2+5=-5$

Multiplying both sides by -1 and bringing the 5 over:

$2x^2+3x^2-10=0$

Combining like terms and factoring out 5:

$5(x^2-2)=0$

Factoring:

$5(x-\sqrt{2})(x+\sqrt{2})=0$

Solutions: $x=\pm\sqrt{2}$

Hope this helps!

3 0

4 years ago