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AfilCa [17]
2 years ago
5

Use the drop-down menus to solve the system using the 5-step process you just learned. x + 6y = 29 2x - 4y = -6 1) Solve for x i

n the first equation: x =
Mathematics
2 answers:
Genrish500 [490]2 years ago
5 0
We have the following system of linear equation:

(1) x+6y=29
(2) 2x-4y=-6

Let's apply elimination method by multiplying (1) by -2, then:

-2(x+6y)=-2(29)
∴ -2x-12y = -58

Next let's subtract (1) and (2):

(1) -2x-12y = -58
(2) 2x-4y=-6
_______________________
-16y=-64
∴ y=4

Finally, substituting this value in (1) we have that:

x+6(4)=29
∴ \boxed{x=5}
LenKa [72]2 years ago
5 0

Answer:

-6y + 29 for the first and second question. The third answer is y=4. The fourth answer is x=5. The fifth answer (5,4). And the sixth answer is (5,4) Checks and (5,4) Checks.

Step-by-step explanation:

Just took it. Edg 2020. Hope this helps :)

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Levant will receive about 9 american dollars when he exchanges his pesos.

According to this question, 1 american dollar is worth about 11 pesos. In order to find that, you need to divide 3000/270 which gives you around 11. In order to find out how many dollars he will receive for his pesos, you need to divide 100 by 11 which gives you about 9 dollars.
4 0
2 years ago
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Ria can paint a room in 4 hours. Destiny can paint the same room in 6 hours. How long would it take Ria and Destiny to paint the
Lerok [7]

Time taken by Ria to paint a room = 4 hours

Time taken by Destiny to paint a room = 6 hours

If they work together, they complete 1 job. So,

\frac{1x}{4}+\frac{1x}{6}=1

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\frac{3x+2x}{12}=1

\frac{5x}{12}=1

5x=12

x=\frac{12}{5}

Hence, both of them can paint the room in \frac{12}{5} hours or 2.4 hours.


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2 years ago
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Show a way to count from 170 to 410 using tens and hundreds. circle at least 1 benchmark number
Anastasy [175]
Benchmark are numbers that are used as standards to which the rest of the data is compared to. When counting numbers using a number line, the benchmark numbers are the intervals written on the axis. For benchmark numbers of 10, the number line on top of the attached picture is shown. Starting from 170, the tick marks are added by 10, such that the next numbers are 180, 190, 200, and so on and so forth. When you want to find 410, just find the benchmark number 410.

The same applies to benchmark numbers in intervals of 100. If you want to find 170, used the benchmark numbers 100 and 200. Then, you estimate at which point represents 170. For 410, you base on the benchmark numbers 400 and 500.

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Answer:

576.2

Step-by-step explanation:

The formula for the area of a triangle is \frac{bh}{2}. Since this square pyramid is essentially four triangles with base length 21.5 feet and height 13.4 feet, we can calculate the area that they take up with the formula 4\cdot \frac{13.4\cdot 21.5}{2}=576.2 square feet. Hope this helps!

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2 years ago
You planted 488 acres of corn last season.you sold all your corn:8,120 bushel in August and 64,100 bushels in September. What is
balandron [24]

148 is the answer because

8,120+64,100=72,220

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rounded is 148

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