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3 years ago

13

1. Find the product of -12 and -6.

1 answer:

Alborosie3 years ago

5 0

Answer:

72

Step-by-step explanation:

Multiply. Note that when you multiply two negative numbers, the answer will be positive.

Combine:

-12 * -6 = 12 * 6 = 72

72 is your answer.

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The lengths of the sides of a triangle are represented by 3m, 3m and 3m.

Aleks04 [339]

Q1: The perimeter of the triangle is a + b + c and if each side is the same then it's 3a. In this situation we may write it in its simplest form as 9m. Note that 3(3m) is also correct but it's not the simplest form.

Q2: You're correct, the distributive property of 3(3m) can be written as 3 (2m + m).

3 0

3 years ago

F equals to 2 f - 20

ICE Princess25 [194]

Answer:

20

Step-by-step explanation:

f = 2f - 20

f - 2f = - 20

- f = - 20

f = 20

7 0

3 years ago

Renee was able to plant 15 plant in 5min at this rate how many flowers could she paint plant in 45 min

Sedbober [7]

Answer:

Answer is 135 plant

Step-by-step explanation:

We have given that,

In 5 min Renee can plant 15 plant.

That means in one minute Renee can plant $\frac{15}{5}$ plant.

i.e. Rate of planting = 3 plant per minute

So, In 45 minutes , she can plant 45×3 plant

i.e Plant she can plant in 45 minute = 135 plant

6 0

3 years ago

A house cast a 10 foot shadow. A 5 foot boy castsa 4 foot shadow.

krok68 [10]

11 feet I think, hope this helps

7 0

3 years ago

Find the first term and the explicit formula a12=1/32 and r=1/2

Alexxx [7]

Answer:

see explanation

Step-by-step explanation:

The n th term of a geometric sequence is

$a_{n}$ = a $(r)^{n-1}$

where a is the first term and r the common ratio

Given $a_{12}$ = $\frac{1}{32}$ and r = $\frac{1}{2}$ , then

a $(\frac{1}{2}) ^{11}$ = $\frac{1}{32}$ , that is

$\frac{a}{2^{11} }$ = $\frac{1}{32}$

$\frac{a}{2048}$ = $\frac{1}{32}$ ( cross- multiply )

32a = 2048 ( divide both sides by 32 )

a = 64 ← first term

Thus the explicit formula is

$a_{n}$ = 64 $(\frac{1}{2}) ^{n-1}$

5 0

3 years ago