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vazorg [7]
3 years ago
9

Choose the correct simplification of the expression (−2x + 10y)(4x − 6y).

Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
6 0
Well i have always gone by pemdas which is() exponits mulyiply or divide which ever comes first add subtract which ever comes first also

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Select the correct answer from each drop-down menu. In triangle ABC, mZA = 36°, mZB = 84, and m2C = 60°. The side lengths, in or
Ann [662]

Answer:

Step-by-step explanation:

The side opposite to greatest angle is longer

Angles in descending order, ∠B  >  ∠C  >  ∠A

Sides, CA  >  BA   > BC

5 0
3 years ago
The temperature is 58° F. It gets warmer by h degrees and reaches to 65° F. Find h.
Aleks [24]

Answer:

h = 7 degrees

Step-by-step explanation:

To find <em>h</em>, we know that it is positive because it increases in value, not decreases:

h = 65 - 58

h = 7

7 0
3 years ago
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The security guard for a sports store is making her rounds. She walks down 1 flight down to men’s clothing, then she walks up 2
Verdich [7]

Answer: There is no clothing

Step-by-step explanation:

It is a sports store

7 0
3 years ago
the half-life of isotope X is 2.0 years. How many years would it take for a 4.0mg sample of X to decay and have only 0.50 mg of
shepuryov [24]

After 2.0 years, the 4.0 mg sample decays to 2.0 mg.

After another 2.0 years (total 4.0 years), the 2.0 mg sample decays to 1.0 mg.

And after another 2.0 years (total 6.0 years), the 1.0 mg sample decays to 0.50 mg.

So it takes 6.0 years for 4.0 mg to decay to 0.50 mg.

4 0
3 years ago
Are 4/16 and 0.25/2 equivalent numbers? If so, explain how they are.
Aleksandr-060686 [28]
Two fractions are equivalent if the product of the numerator of the first and the denominator of the second is equal to the product of the numerator of the second and the denominator of the first.
                           4 x 2 ___ 16 x 0.25
                               8 is not equal to 4
Thus, they are not equivalent. 
3 0
3 years ago
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