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Volgvan
3 years ago
7

2x +4- 3 (x + 5) = -2x + 4 x=-26 X=15 X=-5 x=-15

Mathematics
1 answer:
____ [38]3 years ago
6 0
2x+4 -3x -15=-2x+4

-1x-11=-2x+4

-11=-1x +4

-15=-1x

15=c
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A teacher recorded the number of days her students went on vacation. Which statements describe the data? Select all that apply.
laiz [17]

Answer:

The students went on vacation for average 40 days.

The high school students went for more days than college students.

Step-by-step explanation:

The data shows number of students who went for vacation. The data class frequency shows that students who are in high school went for more days in vacation than college students. The students went for average of 40 days on vacation.

7 0
3 years ago
I’m confused on this one
erastovalidia [21]

In the chart of the triangle it shows that the variable b is the base. It also give us the equation for area 1/2bh (half of base * height)

Now we just plug in the values we are given

1/2bh

1/2(10*13)

1/2(130)

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4 0
3 years ago
Read 2 more answers
You are taking a trip at the same time as another
Valentin [98]

Answer:

My family is traveling faster, since it is traveling at the rate of 950 miles per day, while the other family travels at 900 miles per day.

Step-by-step explanation:

Since I am taking a trip at the same time as another family, and my family traveled 1,900 miles in 2 days, while their family traveled 2,700 miles in 3 days, to determine who is traveling faster the following calculation must be performed:

1,900 / 2 = 950

2,700 / 3 = 900

Thus, my family is traveling faster, since it is traveling at the rate of 950 miles per day, while the other family travels at 900 miles per day.

4 0
3 years ago
D
kirza4 [7]

Answer:

12+k/5

Quotient is a quantity produced by the division of two numbers.

8 0
3 years ago
Find the value of x.
dimaraw [331]

Answer:

2\sqrt{77}

Step-by-step explanation:

Use the Pythagorean theorem. a^{2} +b^{2}=c^{2}

a and b are the two side lengths

c is the hypotenuse (value across from the right angle)

Plug in the values that you are given.

a^{2} +4^{2} =18^{2}

Solve for x

x^{2} =18^{2} -4^{2}

x^{2} =308

x=\sqrt{308}

x=2\sqrt{77}

5 0
3 years ago
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