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alekssr [168]
3 years ago
13

Write in standard form. - 3 3.11 X 10 I

Mathematics
1 answer:
KatRina [158]3 years ago
5 0

Answer: -3.11 x 10^ 1

Step-by-step explanation: - 3

3.11 X 10 = -31.1, in decimal form -3.11 x 10^ 1

I

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How do you solve 7x-2=x²-10? Can you show the steps please :)
nekit [7.7K]

Answer: x=−1 or x=8

Step-by-step explanation: 7x−2=x2−10

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8 0
3 years ago
Express each logarithm in terms of In 2 and In 5.
Sladkaya [172]

Answer:

5ln2-3ln5

2ln5-ln2

Step-by-step explanation:

∵ 32=2^{5}

∵ 125=5^{3}

∵ ln\frac{32}{125}=ln\frac{2^{5}}{5^{3}}

∴ ln2^{5}-ln5^{3}=5ln2-3ln5

∵ 12.5=\frac{125}{10}=\frac{25}{2}=\frac{5^{2}}{2}

∴ ln12.5=ln\frac{5^{2}}{2}

∴ ln5^{2}-ln2=2ln5-ln2

3 0
3 years ago
2x + 7 &gt; 11<br> Please and thank you
Oxana [17]

Answer:

x = > 2

Step-by-step explanation:

This is the answer because:

1) >2 means x is any number greater than 2

2) For example, 2 x 3 = 6 +  7 = 13

3) 13 is greater than 11

Hope this helps!

3 0
3 years ago
Two missiles are initially 5000 miles apart. They travel along a straight line directly towards one another, one traveling at 20
Goshia [24]

d = 5,000 mi the distance between the missiles

v1 = 2,000 mph the rate of the first missile

v2 = 1,000 mph the rate of the second missile

t = 1 min = 1/60 hr

Since distance = speed*time the distance 1 minute before the impact is:

v1t + v2t = t(v1 + v2) = (1/60)(2,000 + 1,000) = 50 miles.

7 0
3 years ago
f a country have a population of about 203 people/km^2 and a population of about 61,070,224 then what is the approximate area of
Bingel [31]

Answer:

300838km^2

Step-by-step explanation:

Divide the total population by the population per kilometer squared

61070224/203

=300838.5419...

As the question askes for the approximate area, round the answer to the nearest kilometer squared

=300838km^2

3 0
3 years ago
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