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IgorC [24]
3 years ago
10

What value is true of x makes this equation true 0.7x-5=0.2x+1

Mathematics
1 answer:
Sever21 [200]3 years ago
7 0

Answer:

x=12

Step-by-step explanation:

First you make sure x is on both sides of the equation. So you do 0.7x-5-0.2x=0.2x+1-0.2x. Which just simplifies to 0.5x-5=1. You make sure x is the only thing on that side of the equation so you do 0.5x-5+5=1+5 which simplifies to 0.5x=6. Multiply the equation times 2 to just have x. x=12. The value that makes true of x is 12.

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How many terms does this expression have: 4 + 6c - 14 + 1 *
Alika [10]

Answer:

4

Step-by-step explanation:

4 is one term, 6c is one term, 14 is one term, and 1 is a term. total=4.

6 0
2 years ago
Ok, I don't have a question, so I am just doing this for fun. This is for 7th-8th graders, I am higher than those grades
nadezda [96]

Answer:

73

Step-by-step explanation:

If you are to use Order of Operations, which most people know as PEMDAS, you come up with the following answer.

I will show my work below. Refer to it if you need to.

4x^2+5^2

16x+25

x=3, so 48 + 25

73

5 0
3 years ago
Read 2 more answers
find the area of a triangle with the following dimensions: a = 12 yards b=16 yards and c=24 yards round to the nearest square ya
melisa1 [442]
P=52 yards
p=26 yards
A=square p(p-a)(p-b)(p-c)
A=square26(26-12)(26-16)(26-24)
A=square 26x14x10x2
A=85 yards^2
8 0
3 years ago
Read 2 more answers
Can someone please help me????
Kamila [148]

Yeah so the answer would be c because there is two 21 and 1 23 and so on and so fourth

8 0
2 years ago
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In a statistics class, 10 scores were randomly selected with the following results: 74, 73, 77, 77, 71, 68, 65, 77, 67, 66. What
julia-pushkina [17]

Answer:

The 65th percentile is between 73 and 74

Step-by-step explanation:

Rearrange the ungrouped data in ascending order: 65,66,67,68,71,73,74,77,77,77

The 65th percentile is 65/100 of N ( N = 10) = 65/100 × 10 = 6.5

The 65th percentile is the 6.5th term. The 6th term is 73 and the 7th term is 74, the 6.5th term is between the 6th and 7th term

The 65th percentile is between 73 and 74

4 0
3 years ago
Read 2 more answers
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