3 years ago

Hey, I have some algebra questions, I need to complete for tomorrow. One of them is: Simplify 4a + 12a.

Mathematics

1 answer:

Nimfa-mama [501]3 years ago

3 0

Answer:

16a

Step-by-step explanation:

4a+12a=16a since they are the same variables.

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Harold bought 2 pairs of sandals for the same price. He also bought a pair of socks for $3. How much did one pair of sandals cos

DochEvi [55]

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3 years ago

If A and B are two points having coordinates (- 2, 2) and (2,-4) respectively, find the coordinates of P such that AP= AB.

Karo-lina-s [1.5K]

Answer:

(0,1)

Step-by-step explanation:

The mid point of A(-2,2) and B(2,-4) is the coordinates of point P, which is (x,y)

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also, point PB: y = (2 - 4)/2 = -1

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3 years ago

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2 years ago

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9/(x - 8) = 4/5 how to solve this proportion

ICE Princess25 [194]

$\frac{9}{x-8}=\frac{4}{5}$
Cross multiply:
$(9)(5)=(4)(x-8)$
Simplify:
$45=4x-32$
Group like terms:
$77=4x$
Solve for x by division:
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3 years ago

Use the Distance Formula to find the distance between (−3, 7) and (8, −6) , rounded to the nearest hundredth.

igomit [66]

Answer:

d= 17.03

Step-by-step explanation:

$d=\sqrt{ (x_{2}-x_{1})+(y_{2}-y_{1})^{2}}\\\\d=\sqrt{(8--3)+(-6-7)^{2}}\\\\d=\sqrt{(11)+(-13)^{2}} \\\\d=\sqrt{121+169}\\\\d= \sqrt{290} \\\\d=17.03$

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3 years ago

Hey, I have some algebra questions, I need to complete for tomorrow. One of them is: Simplify 4a + 12a. ​

Hey, I have some algebra questions, I need to complete for tomorrow. One of them is: Simplify 4a + 12a.