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liq [111]
3 years ago
8

Evaluate 3b2 when b= 4 and when b= - 4. When b=4, 3b2

Mathematics
2 answers:
Lana71 [14]3 years ago
8 0

Answer:

both values are 48

Step-by-step explanation:

Substitute b = 4 and b = - 4 into the expression

3b²

= 3(4)² = 3 × 16 = 48

= 3(- 4)² = 3 × 16 = 48

nydimaria [60]3 years ago
4 0

Answer:

24

Step-by-step explanation:

3 times 4 times 2

3 times 4 is 12

12 times 2 is 24

Hope this helps you

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mestny [16]
Substitute 4 for x.
-|4-7|+3
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3 years ago
What is greater, 2/3 or 7/8?
user100 [1]
\frac{2}{3} = \frac{2 \times 8}{3 \times 8}=\frac{16}{24} \\ \\
\frac{7}{8}=\frac{7 \times 3}{8 \times 3}=\frac{21}{24} \\ \\
16

7/8 is greater.
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2 years ago
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Find the circumference of a circle where r=1.5​
il63 [147K]

Answer:

there are three different types of answers to this and all of them have to do with the perspective of pi

1) if you don't want to see the decimals and you want to leave pi alone your answer would be this

3pi

2) if you want to solve for pi it would be

9.43 respectively

3) if you want pi to just be narrowed down to 3 digits 3.14 your answer would be

9.42

Step-by-step explanation:

formula

C=2*pi*R

plug in

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5 0
3 years ago
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QUESTION 6 SOMEONE DO IT PLSS
vovangra [49]

Answer:

l think 7.71 is right answer

4 0
3 years ago
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5c+ 3 < 28 or -4c-2< 14 for c.
sweet-ann [11.9K]

Answer:

c<5, and  c>-4.

<u>Steps used for answers:</u>

5c+3<28 =

1. Subtract 3 from both sides.

5c<28-3

2. Simplify  28-3 to  25.

5c<25

3. Divide both sides by 5.

c<25/5

4. Simplify  25/5 to 5.

c<5

-----------------------

-4c-2<14 =

1. Add 2 to both sides.

-4c<14+2

2. Simplify  14+2 to 16.

-4c<16

3. Divide both sides by -4.

c>-16/4

4. Simplify 16/4 to 4.

c>−4

<u>Done by NeighborhoodDealer</u>

3 0
2 years ago
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