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ELEN [110]
3 years ago
12

Simplify the expression below (example x2 = x^2 (2a^2)(14a^5)

Mathematics
1 answer:
lutik1710 [3]3 years ago
8 0

Answer:

28a^7

Step-by-step explanation:

Rewrite using commutative property of multiplication 2•14 (a^2a^5)

Multiply the a^2 and a^5

2•14a^7

Multiply the 2 and 14

28a^7

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3 years ago
Need help please, thanks!
MakcuM [25]
Given:
1 inch : 18 kilometers

Let us use the ratio and proportion method:

a:b = c:d where ad = bc

0.8 inches is <u>14.4 kilometers</u>

1 : 18 = 0.8 : x
x = 0.8 * 18
x = 14.4 km

1.4 inches is <u>25.2 kilometers</u>

1: 18 = 1.4 : x
x = 18 * 1.4
x = 25.2 km

2.1 inches is <u>37.8 kilometers</u>

1 : 18 = 2.1 : x
x = 18 * 2.1
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4 0
3 years ago
Find the equation of the line that is perpendicular to y = –3x + 1 and passes though the point (6, 3).
noname [10]

Answer:

A. y=1/3x+1

Step-by-step explanation:

When finding a line that is perpendicular to another line, all you have to do is find the "opposite reciprocal" of the slope. In this case that means writing the slope as the fraction -3/1, and then flipping the fraction over (1/-3) and taking away the negative sign which gets you 1/3 for the slope of your new line. Now, all you have of your new equation is the slope. You need to take your new equation (y=1/3x+b) and plug in the x and y coordinates to that equation, and then solve for the last variable which is b. That solving process goes as follows:

3=1/3*6+b

3=2+b

1=b

now you can replace the b with 1 in your equation to get your final answer of y=1/3x+1

6 0
3 years ago
How long is 75 inches in feet
Naddika [18.5K]

Answer:

6 feets mark me brainlist if i help

5 0
3 years ago
Read 2 more answers
Y=-x+3 y = -2.x +7 = 5.​
lyudmila [28]

Answer:

Slope: 3/5

y-intercept: 7

Step-by-step explanation:

5 0
3 years ago
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