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dybincka [34]
3 years ago
13

5a + 5b + 5c + 5d Which expression is another way to write the expression shown here?

Mathematics
1 answer:
Alex777 [14]3 years ago
7 0
5(a+b+c+d) i think is right
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Classify the triangle.<br> obtuse<br> equiangular<br> right<br> acute
horrorfan [7]

Answer:

Acute

Step-by-step explanation:

Note the definitions:

Obtuse: At least one of the angles are greater than 90°

Equilateral: All angles are congruent & equal to 60°

Acute: All angles are less than 90°

Right: At least one angle is equal to 90°

In this case, the triangle is a D) acute, for it fits the requirement for being an acute... all angles are less than 90°.

~

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Answer:

c.natural

Step-by-step explanation:

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What is the sum of a number and its additive inverse? A. 0 B. -1 C. 1 D. undefined
Andrej [43]
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3 years ago
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Find the surface area of the cube shown.<br> (_________) square centimeters
Step2247 [10]

Answer:

The answer is: 181.5 square centimeters.

Step-by-step explanation:

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A raindrops has a mass of 0.50g. how many moles of water does a raindrop contain
alina1380 [7]
So, here you have to look at the periodic table and see what the molar mass of each molecule composing the water compound H_2 O
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That said, looking at the mass, we have to ask ourselves, if a mol of water contains 18g of mass, how many moles do we have in 0.5g of water? 
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\frac{(0.5)}{18} =0.027 mol
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3 years ago
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