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Kitty [74]
3 years ago
8

Which is the value of 3b² — b when b = 5?

Mathematics
1 answer:
yanalaym [24]3 years ago
3 0

Answer:

The answer is

<h2>70</h2>

Step-by-step explanation:

3b² - b

when b = 5

Substitute the value of b that's 5 into the expression

That's

3(5)² - 5

= 3(25) - 5

= 75 - 5

We have the final answer as

<h3>70</h3>

Hope this helps you

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Find the total cost, including the tax, of the following:
julsineya [31]

Answer:

$134.18

Step-by-step explanation:

6.5% = 0.065

$125.99 × 0.065 = $8.19

$125.99 + $8.19 = $134.18

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3 years ago
Nutrient level required to maintain energy and growth what is it called
ICE Princess25 [194]
It is called Dietary Energy :)
4 0
3 years ago
A red ribbon 11 meters long is 5 times as long as a blue ribbon. How long is the blue ribbon?​
aev [14]

Red ribbon

=Blue ribbon ×5

=11 m

<em>So</em><em>,</em><em> </em><em>changes</em><em> </em><em>the</em><em> </em><em><u>times</u></em><em><u> </u></em><em><u>symbol</u></em><em> </em><em>into</em><em> </em><em><u>divide</u></em>

11m ÷ 5

=2.2m

Check!

Red ribbon=Blue ribbon × 5

11m=Blue ribbon × 5

11m÷5=Blue ribbon

2.2m=Blue ribbon

Blue ribbon=2.2m

Answers

2.2m

5 0
3 years ago
A parachutist's speed during a free fall reaches 70 meters per second. What is this speed in feet per second? At this speed, how
andrew11 [14]

Speed is 231 ft/s.

Distance is 4620 ft.

Solution:

First we have to convert the unit of speed from m/s to ft/ s.

Then for 20 seconds, we have to calculate the feet covered by the parachute.

1 meter $=3.3$ feet\\\\$\frac{70 \frac{m}{s} \times 3.3 f t}{1 m}=231 \frac{f t}{s}$

In 20 seconds, the parachute covers the distance of,

231 \frac{f t}{s} \times 20 s=4620 \mathrm {ft}

5 0
4 years ago
Tad and Janice are installing new wood floors in a house. Tad can install 144 square feet of flooring in three hours. Janice can
solong [7]

Answer:

1.) How many square feet of flooring can Tad install in eight hours? 384 square feet

2.) How many square feet of flooring can Janice install in five hours? 480 square feet

3.) If they each work for 12 hours, how many square feet of flooring can they install? 1,728 square feet.

I hope i helped alot :)

4 0
3 years ago
Read 2 more answers
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