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Gwar [14]
2 years ago
13

Simplify 3 10 +7 15- 6 10 -4 15 O 3/10-315 O 315-3110 O 3130 -3120 O 3120-3130

Mathematics
1 answer:
san4es73 [151]2 years ago
7 0

Answer:

B

Step-by-step explanation:

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Eight homerooms in a middle school had the following distribution of students.
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C. 2.25

Step-by-step explanation:

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Maria needs to determine the lengths of the sides of a rectangle. She knows only the perimeter of the rectangle. She knows the f
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2L + 2W = perimeter
dividing both sides by 2
L + W = (perimeter / 2)
Length = (perimeter / 2) -Width
Width = (perimeter / 2) -Length


7 0
3 years ago
How to multiply fractions mixed numbers
nikitadnepr [17]

Answer:

To multiply Mixed Fractions:

convert to Improper Fractions.

Multiply the Fractions.

convert the result back to Mixed Fractions.

Step-by-step explanation:

5 0
3 years ago
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Synthetic Division <br> -2 | 1 2 -3 1
Tom [10]

Answer:

7

Step-by-step explanation:

I am assuming that the division problem looks like this:

-2|  1   2   -3   1

Going off that assumption, we will work this problem.  The first thing you always do in the execution of synthetic division is to bring down the first number.  Then multiply that number by the one "outside", which is -2, then put that number up under the next number in the line:

-2|  1   2   -3   1

        -2

    1

Now add the 2 and -2 and bring that down as a 0 and multiply the -2 times the 0:

-2|   1   2   -3   1

         -2    0

     1    0

Now add -3 and 0 to get -3 and multiply that -3 times the -2 and put the product up under the next numbe in line;

-2|   1   2   -3   1

          -2   0  6

     1     0   -3

Now add the 1 and the 6 to get the remainder:

7

Read more on Brainly.com - brainly.com/question/12992907#readmore

6 0
3 years ago
Suppose a ski jumper is 2,650 feet from the base of a ski jump and looks up to the top at an angle of elevation of 26 degrees. A
yuradex [85]
We can draw a right triangle to easily visualize the given problem. Since the ski jumper is 2650 ft from the base of the ski jump, we can consider this as one of the right triangle's legs. 

What we're looking for is the height of the ski jump or the other leg of the right triangle. Since the ski jumper looks up at an angle of elevation of 26°, we can use the tangent function to find the missing height. You may refer to the image below to better understand the problem. 

Recall that tanθ = (opposite side facing the angle)/(side adjacent to the angle). For this case, we have

\tan26= \frac{x}{2650}\\2650(\tan26) = x\\x \approx1292.49

Hence, the height of the ski jump (rounded off the nearest whole foot) is 1292 feet. 

Answer: 1292 feet

4 0
4 years ago
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