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prohojiy [21]
3 years ago
14

Multiply two and four-fifths negative five and two-thirds whats the answer

Mathematics
2 answers:
lubasha [3.4K]3 years ago
8 0
I estimated and I got 63.

Hope this helps.
ANEK [815]3 years ago
4 0
The answer to your question is -16/3
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Does 5n = -20 have one solution,infinitley many,or no solutions?​
Maslowich
One solution.

-20 divided by 5 is equal to -4. Unless both sides have the same number or one side has -=0 then it’s one solution
8 0
3 years ago
Element X is a radioactive isotope such that every 26 years, its mass decreases by half. Given that the initial mass of a sample
SSSSS [86.1K]

Answer:

It will take 15.029 years for element X to reach mass of 260 grams

Step-by-step explanation:

The half life period of radioactive element X is 26 years

The initial mass of radioactive element X is 260 grams

Elapsed time = half life * log (beginning amount /ending amount)/log 2

Substituting the given values, we get

Elapsed time = 26 * log (390/260)/log 2

=  15.209 years

8 0
2 years ago
It takes me 12 minutes to run 2 kilometers. How long will it take me to run 10,000 meters?
galina1969 [7]
60min or 1 hour

Because 2km is equal to 2000m
Therefore you multiply 12 min by 5 (because 2000m x 5 is 10000m)

7 0
2 years ago
Find the scale factor of the dilation. Then tell whether it is enlargement or reduction.​
mariarad [96]

Answer:

  a) 1/2; reduction

  b) 5/4; enlargement

Step-by-step explanation:

In each case, the scale factor is CP'/CP. When it is more than 1, the dilation is an enlargement.

Even before you run the numbers, you can tell if it is an enlargement or not. If the dilated figure is larger, P is closer to C than is P'. If P' is closer to C, then it is a reduction.

a) CP'/CP = (4-2)/4 = 2/4 = 1/2 . . . . a reduction

__

b) CP'/CP = 25/20 = 5/4 . . . . an enlargement

4 0
3 years ago
How to find the measure of angle. If the measure is be and the angle is 60dgree
Sphinxa [80]

Answer:

i dont under your question. Do you mean on triangles or complamentary or supplementary angles it depends

6 0
3 years ago
Read 2 more answers
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