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gizmo_the_mogwai [7]
3 years ago
12

Solve: Factor the following polynomial completely -9x^2-30x-25

Mathematics
2 answers:
AnnZ [28]3 years ago
5 0

Answer:-(3x+5)^2

Step-by-step explanation:

Korolek [52]3 years ago
3 0

Answer:

(−3x−5)(3x+5)

Step-by-step explanation:

−9x2−30x−25

−9x2−30x−25

=(−3x−5)(3x+5)

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The volume of a cube is 216mm3.What is the length of its side?
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Steps:
216 mm3 is the volume.

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Marta_Voda [28]

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Step-by-step explanation:

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3 years ago
Work out 114 % of 818.07 kg Give your answer rounded to 2 DP.
pshichka [43]

Answer:

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Step-by-step explanation:

To find a percent of a number, change the percent to a decimal and multiply by the number.

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7 0
3 years ago
Solve 9/10=z/8 . Round to the nearest tenth.
kompoz [17]
\boxed {Question}
\frac{9}{10} =  \frac{z}{8}

\boxed {Cross \  multiply}
10z = 8 \times 9

\boxed {Evaluate}
10z = 72
z = 72 \div 10
z = 7.2

\Longrightarrow \bf \ Answer \ : \ z = 7.2

4 0
4 years ago
Solve the equation for k. -11 = 7 + 2/3k<br><br> A. -24<br> B. -25<br> C. -26<br> D. -27
Kryger [21]

Answer:

k= -27

step-by-step

8 0
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