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3 years ago

needing brainlys help again. I'll give extra points to whoever answers with the real answer not random symbols or links.

Mathematics

2 answers:

SIZIF [17.4K]3 years ago

4 0

Answer:

start at 0 next plot the point (1,3) then (2,6) (3,9) (4,12) and so on

Step-by-step explanation:

Leno4ka [110]3 years ago

4 0

(1,3) 2,9) 3,6 1,12 yes

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Work out 5^-2 x cube root of 8<br><br> Answer in decimal form please.

Ira Lisetskai [31]

Answer:

0.08

Step-by-step explanation:

${5}^{ - 2} \times \sqrt[3]{8} \\ \\ = {5}^{ - 2} \times \sqrt[3]{ {2}^{3} } \\ \\ = \frac{1}{ {5}^{2} } \times 2 \\ \\ = \frac{1}{25} \times 2 \\ \\ = \frac{2}{25} \\ \\ =0.08$

5 0

3 years ago

PLEASSE HELP THANK YOU!!!

Inga [223]

Answer:

$-3x^4+3x^3+8x^2-2x-5$

Step-by-step explanation:

Here we need to move the negative sign to the rest of the variables, and then only add the ones with the same power:

$(-2x^4-2x^3+8x^2+2)-(x^4-5x^3+2x+7)\\-2x^4-2x^3+8x^2+2 - x^4+5x^3-2x-7$

And then move the variables with the same power closer together

$-2x^4-x^4-2x^3+5x^3+8x^2-2x+2-7$

See how -x^4 and -2x^4 are together?

All we have to do now is combine.

$-2x^4-x^4-2x^3+5x^3+8x^2-2x+2-7\\-3x^4+3x^3+8x^2-2x-5$

So our answer is $-3x^4+3x^3+8x^2-2x-5$

3 0

3 years ago

Read 2 more answers

Please help me please!!

Afina-wow [57]

Hii ur answer is the last graph or the bottom right!

4 0

3 years ago

Reggie lost 3 spaceships in level 3 of a video game. He lost 20 points for each spaceship. When he completed level 3, he earned

Dmitry_Shevchenko [17]

Loss: 3 (spaceships) * 20 (points per spaceship)

Gain: 250 (points)

Total: -(3*20) + 250 = +190

3 0

4 years ago

Steel is formed by combining masses of carbon and iron in the ratio 1:49. How many pounds of iron would it take to create 10 pou

Sergeu [11.5K]

Answer:

9.8

Step-by-step explanation:

1:49= ratio of carbon to to iron

1+49= steel

50=10pounds

49=?pounds

49 * 10/50

=49/5

=9.8pounds

4 0

4 years ago