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love history [14]
2 years ago
5

A grizzly bear’s top speed is about 36 mph. This speed makes the bear about 1 1/2 times as fast as an African elephant.What is t

he top speed of an African elephant? (Sorry you cant see answer D, Its "An African elephant can reach a top speed of about 24 mph because 36 ÷ 3/2 = 24")

Mathematics
2 answers:
egoroff_w [7]2 years ago
8 0

Answer:  D. 'An African elephant can reach a top speed of about 24 mph because 36 ÷ 3/2 = 24'

Step-by-step explanation:

1\frac{1}{2}  =\frac{3}{2}

This means the grizzly bear is 3/2 times faster than the elephant

it also means the african elephant's speed would be 2/3 that

therefore,

36 / \frac{3}{2}=36*\frac{2}{3}=\frac{72}{3}

⇒ 24

So, the speed of an African elephant is 24 mph

Alex_Xolod [135]2 years ago
8 0

Answer:

Option D

Step-by-step explanation:

Based on the question we know that :

36 = x × 1 1/2

To make x the subject we divide both sides by 1 1/2 or 3/2 :

36 ÷ 3/2 = x

x = 24

Therefore our answer is Option D

Hope this helped and have a good day  

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7 0
3 years ago
75% of the normal price of headphones is 45$. What's the normal price?
Brums [2.3K]

Answer:

60$ is the normal price.

Why:

Because if 45$ is 75%, then 30$ is 50%, 15 is 25%, and 0 is 0%. 50% + 50% = 100%. (That's how I did this one, anyway. This works on any 25%, 50%, or 75% problem.)

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3 years ago
Help please, i am struggling on how to solve!
Elina [12.6K]

Answer:

x=3

Step-by-step explanation:

The hypotenuses are equal in length of both triangles.

13=4x+1

13-1=4x

12=4x

12/4=x

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6 0
3 years ago
Read 2 more answers
if you save three pennies on January 1, six pennies on January 2, nine pennies on January 3, and continue this pattern for one y
Katarina [22]

Answer:

2003.85

Step-by-step explanation:

I realize I'm a year late, but the math of the previous answer was so terrible I'm honestly too horrified to let this be.

You have save by an increasing amount of 3 pennies per day. You start with 3 and build from that, each day, for 365 days. First, you must figure out what amount of pennies you shoved into your account on the final 365th day.

An= a1+(n-1)d

An=term you want

a1= term you begin with

n= term you want

d= constant amount

A_365= 3 + (365-1)*3

A_365= 1095

Arithmetic Sum: Sn = N/2 (a1 + an)

365/2 * (3 + 1095) = 200385.

This means you've invested a total of 200385 PENNIES after 365 days.

The question asks for dollars, not your rusting lincoln's.

As (I hope) you know, 1 Dollar = 100 pennies

200385 pennies/100 = 2003.85.

This means you have $2003.85 in your account by the conclusion of the 365th day.

4 0
3 years ago
10
schepotkina [342]

Answer:

3.56 cm.

Step-by-step explanation:

1/3 π r^2 h = V

1/3 π (5.13)^2 h  = 98

h = 98 / (1/3 π (5.13)^2)

=  98 / 27.55899

= 3.556.

3 0
3 years ago
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