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Svetradugi [14.3K]
3 years ago
13

40,000 is 10 times as much as

Mathematics
1 answer:
Dimas [21]3 years ago
3 0
40,000 is 10 times as much as 4,000
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Find the answer to the nearest tenth.
Fed [463]
Area=1/2bh h=altitude b=legnth of base b is 3 times h b=3h divide by 3 b/3=h area=1/2bh subsitute b/3 for h 54=1/2(b)(b/3) multiply bothsides by 2/1 108=b(b/3) 108=(b^2)/3 multipy both sides by 3 324=b^2 square root boh sides 18=b legnth of base=18
7 0
3 years ago
HELP PLEASE !!!!! A person is on the top of a 60 m tall building. They throw a coin up into the air with a velocity of 15 m/s. H
Anon25 [30]

Answer:

-24.8 m/s

Step-by-step explanation:

Given:

y₀ = 60 m

y = 40 m

v₀ = 15 m/s

a = -9.8 m/s²

Find: v

There are three constant acceleration equations we can use:

y = y₀ + v₀ t + ½ at²

v = at + v₀

v² = v₀² + 2a(y − y₀)

We aren't given the time, so we need to use the third equation, which is independent of time:

v² = v₀² + 2a(y − y₀)

Plug in the values:

v² = (15 m/s)² + 2(-9.8 m/s²) (40 m − 60 m)

v² = 617 m²/s²

v ≈ ±24.8 m/s

Since the coin is on the way down, the velocity is negative.  So v = -24.8 m/s.

8 0
3 years ago
James drove to his brother’s house, which was 225 miles away. It took him 3 hours to get there. What was his average speed per h
Angelina_Jolie [31]

Answer:

75

225÷3=75

Step-by-step explanation:

hshshshshs

7 0
2 years ago
I WILL GIVE THE BRAINLYEST ANSWER WHO EVER ANSWRS THIS QUICKLY AND CORRECTLY
Taya2010 [7]

Answer:

7.3≤x<7.4

Step-by-step explanation:

6 0
3 years ago
The diameter of a circle is 9 cm. What is the area of the circle? Use 3.14 for Pi
Tema [17]
<span>the area of the circle :

r = 9\2

so :

S= r</span>² * Pi = (9\2)² * 3.14 = 63.58 cm²
7 0
2 years ago
Read 2 more answers
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