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asambeis [7]
2 years ago
5

5) (3a + 1) - (4 + 2a)

Mathematics
1 answer:
trasher [3.6K]2 years ago
5 0

Answer:

5a - 3

Step-by-step explanation:

3a + 2a = 5a

1 - 4 = -3

5a + (-3) or 5a - 3

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Factor 2a2b3 - 14ab + 16a
zhuklara [117]

Answer:

2a(b^3 - 7b + 8)

Step-by-step explanation:

I'm assuming that 2a2b3 is 2a2b^2. If not, this answer isn't correct.

Look at the whole numbers. Is there a number that divides into them evenly? Yes, 2, so you pull 2 from the problem and divide each number by 2. Do the same for each variable.

2a2b3 - 14ab + 16a

2(ab^3 - 7ab +8a)

2a(b^3 - 7b + 8)

6 0
3 years ago
Which of the following phrases are inequalities?
Wewaii [24]

Answer:

11 > (w- 4)

y < 3

5 + 9 < 5.9

So these are the phrases which are inequalities.

6 0
3 years ago
Answers please! I’m finding the volume and i don’t really get it
MrRa [10]

Answer:

V = 13/2

Step-by-step explanation:

When finding volume you must know the formula on doing so.

<em>Volume = length × width × height</em>

length = 2\frac{1}{2} --> \frac{5}{2}

width = 2\frac{1}{2} --> \frac{5}{2}

height = 3\frac{1}{4} --> \frac{13}{4}

                        <u>mixed number --> fraction</u>

V = \frac{5}{2} x \frac{5}{2} x \frac{13}{4}

V = \frac{25}{4} x \frac{13}{4}

V = \frac{325}{8} or \frac{13}{2}

3 0
2 years ago
4 g is equivalent to:
V125BC [204]

Answer:4000 mg

Step-by-step explanation:

4 0
3 years ago
One number is four times another number. The sum of their reciprocals is 1/4 . What is the answer
Yakvenalex [24]
Using the information from the question, one can construct two equations:

4 z = x  ...  (1)

\frac{1}{z}  +   \frac{1}{x}   ... (2)

by substituting (1) into (2) to find x

\frac{1}{z} +  \frac{1}{4z}  =   \frac{1}{4}

\frac{5}{4z}  =   \frac{1}{4}

\frac{5}{4z}  =   \frac{1}{4}  

\frac{4z}{5}  =   \frac{4}{1}

\frac{4z}{1}  =   \frac{20}{1}

z =   \frac{20}{4}

⇒ z = 5

By substituting value of z into (1)

⇒ 4 (5) = x

⇒ x = 20

Thus the two numbers are 5 & 20 



4 0
3 years ago
Read 2 more answers
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