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EastWind [94]
4 years ago
14

Select the best answer for the question 7/8=?/48

Mathematics
1 answer:
iris [78.8K]4 years ago
3 0
<span>is is 42 ok but try to see why and study =)</span>
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How can you get equation b from equation A. 3(x+2)=18 B. X+2=18
Rzqust [24]

Answer:

We start with the equation:

A: 3*(x + 2) = 18

And we want to construct equation B:

B: X + 2 = 18

where I suppose that X is different than x.

Because in both equations the right side is the same thing, then the left side also should be the same thing, this means that:

3*(x + 2) = X + 2

Now we can isolate the variable x.

(x + 2) = (X + 2)/3

x = (X + 2)/3 - 2

Then we need to replace x by  (X + 2)/3 - 2 in equation A, and we will get equation B.

Let's do it:

A: 3*(x + 2) = 18

Now we can replace x by =  (X + 2)/3 - 2

3*( (X + 2)/3 - 2 + 2) = 18

3*(  (X + 2)/3 ) = 18

3*(X + 2)/3 = 18

(X + 2) = 18

Which is equation B.

3 0
3 years ago
1/2 + (-3/4)= <br> i need help /:
Marysya12 [62]

Start by converting to like terms, so convert 1/2 to 2/4.

Next, look at the problem. You are adding a negative, which is the same as subtracting, so your new problem looks like this: 2/4 - 3/4.

If you take 3/4 from 2/4, you are left with -1/4. This is your final answer!

5 0
3 years ago
In the isosceles triangle ABC
artcher [175]

Answer:

x = 4.5

Step-by-step explanation:

Angle B = angle C because it is an isosceles triangle.

3x32 = 87-2x

96 = 87-2x

reduce:

9 = 2x

x = 4.5

6 0
3 years ago
Consider the following data set: <br> 11, 8, 0, 8, 13, 3, 14 <br> Find the median.
r-ruslan [8.4K]

Answer:

The median is 8.

How you get that is that you have to order these from smallest to biggest.

0,3,8,8,11,13,14

Next, you cut one from each side until you get one single number left. If you get two, then you add them together and divide it by 2.

3 0
3 years ago
Read 2 more answers
I need help with this. I will give brainliest
Vikki [24]

Answer:25

Step-by-step explanation: 2.5x10=25

8 0
3 years ago
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