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Kisachek [45]
3 years ago
8

Solve: (a)(9a + 4) = 0.

Mathematics
2 answers:
erastovalidia [21]3 years ago
7 0

Answer:

10a+4

Step-by-step explanation:

10a+4

that's it

Monica [59]3 years ago
4 0

Answer:

a = -4/9

Step-by-step explanation:

(9a + 4) = 0

Subtract 4 from each side

9a + 4-4 = 0-4

9a = -4

Divide each side by 9

9a/9 = -4/9

a = -4/9

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Stella [2.4K]

Answer:

(−3,6)

(−2,3)

(−1.2)

(0,3)

(1,6)

Step-by-step explanation:

6 0
3 years ago
PLS HELP I BEG YOU I WILL MARK YOU BRAINLIEST!​
Snezhnost [94]
A= πr2
d=10m
2r=d
2r=10
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3 years ago
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marta [7]

Answer:

65.1

Step-by-step explanation:

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6 0
3 years ago
Are these ratios equivalent? 3.5: 42 and 2.5:32<br><br> Yes or no
Anton [14]

No . they are not equivalent

solution

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2.5/32 = 25/320 = 5/64

1/12 ≠ 5/64

8 0
3 years ago
128 is 74% of what number? If necessary, round your answer to the nearest hundredth.
Nikolay [14]
\begin{array}{ccc}74\%&-&128\\\\100\%&-&x\end{array}\\\\\\cross\ multiply\\\\74x=128\times100\\\\74x=12800\ \ \ \ |divide\ both\ sides\ by\ 74\\\\\boxed{x\approx172.97}

6 0
3 years ago
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