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3 years ago

Round 87,365,241 to the nearest ten million,

Mathematics

2 answers:

nordsb [41]3 years ago

8 0

Answer:

i don't know

Step-by-step explanation:

Diano4ka-milaya [45]3 years ago

7 0

Answer:

90,000,000 or 90 million

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The battery on McKenzies old computer can last 4(1/5) hours. She bought a new computer that has a battery that can last 40% long

Solnce55 [7]

Answer:

$5\frac{22}{25}\ hours$

Step-by-step explanation:

we know that

$4\frac{1}{5}\ hours=\frac{4*5+1}{5}=\frac{21}{5}\ hours$

$100\%+40\%=140\%=\frac{140}{100}$

Let

x ------> new battery life

The equation that represent this situation is

$x=\frac{140}{100} (\frac{21}{5})=\frac{2,940}{500}\ hours$

convert to mixed number

$\frac{2,940}{500}=\frac{2,500}{500}+\frac{440}{500}=5\frac{22}{25}\ hours$

4 0

3 years ago

Lisa is saving to buy a $300 bicycle. She saves $62 per week for 4 weeks.

True [87]

Same blasted thing
you can just use logic
in the question you see 3 numbers: 300, 4, and 62
the blank is 62
now simplify them for 2nd blank snce notheing else changed
2nd blank is 248
3rd blank is another simplification or 300-248 or 52

1st blank is 62
2nd blank is 248
3rd blan kis 52

3 0

3 years ago

Do i divide The 3? 3y=0

adoni [48]

Answer:You do inverse operations to get the y alone so for the -3-3y=0 you would to +3 to the 0 so the equation is now -3y=3 now from here you do 3 divide by -3 which is -1 so no your answer is y=-1

7 0

4 years ago

In the complex number 4 + 2i, 4 is the

MissTica

Answer:

4 is the real number in that complex number

4 0

3 years ago

Y=9x-2 & 3x-2y=7 what is the value of x of the given system of equation

andre [41]

Y=9x-2
3x-2y=7
3x-18x+4=7
-15x=3
x=-1/5
y= -19/5

6 0

4 years ago