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VMariaS [17]
3 years ago
7

Use compatible numbers to find two estimates

Mathematics
2 answers:
taurus [48]3 years ago
7 0
Use compatible numbers to find two estimates that the quotient is between. For example: 

1,624 divided by 3
<span> 1500 / 3 = 500 </span>

<span>1800 / 3 = 600</span>
Andreas93 [3]3 years ago
5 0
2000 / 500 = 4

4000 / 800 = 5
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An adult blue whale can eat 4.0 x 10' krill
kotykmax [81]
Ratio=4.0 *10⁷ Krill / day
amount of krill=ratio * days
amount of krill=(4.0*10⁷ Krill /day)(3.65*10² days)=1.46*10¹⁰ krill

Answer: 1.46*10¹⁰ krill
3 0
3 years ago
√5(√10+√3)<br><br>SHOW HOW YOU GOT THE ANSWER​
77julia77 [94]

√5(√10 + √3) = √(5 · 10) + √(5 · 3) =

= √50 + √15 = √(25 · 2) + √15 =

= √(5² · 2) + √15 = 5√2 + √15 ← the end

4 0
3 years ago
3) A regulation basketball has a diameter of 9.4 inches. What is the volume of the ball?
Marrrta [24]

Answer:

Volume = 434.89276543154 inch³

Step-by-step explanation:

volume = 4/3πr³

where r is the radius

r = 9.4/2  

r = 4.7³

Volume = 4/3×π×4.73³

Volume = 434.89276543154 inch³

7 0
3 years ago
Calculate the area of the regular pentagon below:
Anna [14]

Answer:

1064.8 in^2

Step-by-step explanation:

12.1 x 17. 6 / 2 to find one half of a triangle will equal 106.48

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3 0
3 years ago
Read 2 more answers
Elimination_4x_2y=14<br> _10x+7y=_24
Gnesinka [82]

Answer:

The answer is x=-\frac{50}{8}  and y=\frac{11}{2}.

Step-by-step explanation:

Given:

-4x-2y=14

-10x+7y=-24

Now, to solve it by elimination:

-4x-2y=14   ......(1)

-10x+7y=-24 ......(2)

So, we multiply the equation (1) by 7 we get:

-28x-14y=98

And, we multiply the equation (2) by 2 we get:

-20x+14y=-48

Now, adding both the new equations:

-28x-14y+(-20x+14y)=98+(-48)

-28x-14y-20x+14y=98-48

-28x-20x-14y+14y=50

-8x=50

<em>Dividing both the sides by -8 we get:</em>

x=-\frac{50}{8}

Now, putting the value of x in equation (1):

-4x-2y=14

-4(-\frac{50}{8})-2y=14

\frac{200}{8} -2y=14

25-2y=14

<em>Subtracting both sides by 25 we get:</em>

-2y=-11

<em>Dividing both sides by -2 we get:</em>

y=\frac{11}{2}

Therefore, the answer is x=-\frac{50}{8}  and y=\frac{11}{2}.

5 0
3 years ago
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