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Temka [501]
3 years ago
9

Divya has 70 rocks. She donates half of the rocks to a science center. Then she collects 3 rocks on each of her nature hikes. Wr

ite an expression to represent the number of rocks Divya has after she collects rocks on n nature hikes
Mathematics
1 answer:
user100 [1]3 years ago
3 0
Answer is 35 + 3n .
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Vladimir [108]
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3 years ago
Is 16x2 - 16x + 4 a perfect square?
Andrew [12]

Answer:

Yes

Step-by-step explanation:

Use the completing the square method:

16(x^2-x)+4

=16((x-1/2)^2 - (1/2)^2)+4

=16((x-1/2)^2 - 1/4)+4

=16((x-1/2)^2) - 16/4 + 4

=16(x-1/2)^2

=4^2(x-1/2)^2

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3 years ago
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NeX [460]

9514 1404 393

Answer:

  32

Step-by-step explanation:

Angle E is congruent to angle C, so is the value required to make the sum of angles in triangle ABC be 180°.

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The value of x is 32.

7 0
2 years ago
2. help me i will give u brainliest
Likurg_2 [28]

Answer:

the 1st one

Step-by-step explanation:

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3 years ago
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madam [21]

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20 minutes

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