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cupoosta [38]
3 years ago
13

The expression 4x^2represents (4)(x)(x) (4x)(4x) (4)(x)(2)

Mathematics
1 answer:
Daniel [21]3 years ago
5 0

The expression 4x^2represents 4.x.x

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What is 83% as a decimal SHOW WORK IF U CAN HELP ASAP!!
Marat540 [252]

0.83Answer:

Step-by-step explanation:

83% means 83 per 100 or 83/100 if you divide 83 by 100 you get 0.83

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3 years ago
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According to the key of a particular park map, every 8 inches on the map represents 3 miles of trails in the park. How many inch
MA_775_DIABLO [31]

Answer:

24 inches represents 9 miles in the map

Step-by-step explanation:

To solve this problem you take into account that 8 inches represents 3 miles and that x represent the number of inches for 9 miles. That is:

8 ------- 3

x ------- 9

This is simply a rule of three, then you calculate:

x=\frac{8\ x\ 9}{3}=\frac{72}{3}=24

Hence, 24 inches represents 9 miles in the map

8 0
3 years ago
R^2+8r=-7<br>solve the equation with the quadratic formula showing work
Yuliya22 [10]

Answer:

Step-by-step explanation:

r²+8r=−7

Step 1: Subtract -7 from both sides.

r²+8r−(−7)=−7−(−7)

r²+8r+7=0

Step 2: Use quadratic formula with a=1, b=8, c=7.

r=r=\frac{-b+or-\sqrt{-4ac}  }{2a}

r=\frac{-8+or-\sqrt{(8})^2-4(1)(7) }{2(1)}

7 0
3 years ago
Several students from boxerville middle stood in a circle, evenly spaced, to play a game. If the 6th student was directly across
myrzilka [38]

Answer:

There were 14 students in the circle

Step-by-step explanation:

* Lets explain how to solve the problem

- The students stood in a circle

∴ The line joining each two opposite students is the diameter

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- The 6th student was directly across from the 13th student

∴ The 6th student is opposite to the 13th student

- Lets count how many students between 6th student and

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∵ 7th , 8th , 9th , 10th , 11th , 12th students between the 6th

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∴ There are 6 students between them

- Lets count how many students between 13th student and

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∵ 14th , 1st , 2nd , 3rd , 4th , 5th students between the 13th

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∵ There are 6 students between 6th and 13th

∵ There are 6 students between 13th and 6th

∵ There are 2 students in 6th and 13th

∴ The number of the students = 6 + 6 + 2 = 14

∴ There were 14 students in the circle

8 0
3 years ago
How do i do 3=4(x-2)+5-3x
SashulF [63]

Answer:

6 = x

Step-by-step explanation:

first, we simplify the parenthesis by distributing the 4

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then, you add like terms

3 = x - 3

then add 3 to both sides to isolate x

6 = x

4 0
3 years ago
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