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Cloud [144]
3 years ago
14

6x+8y=30

Mathematics
1 answer:
weeeeeb [17]3 years ago
8 0
First substitute .5x in for y to get a solvable equation. You should get 6x+8(.5x)=30. Then multiply 8 times .5 to get 6x+4x=30. Then combine like terms (6x+4x) to get 10x=30 and divide both sides by 10 to get x=3. Then plug this x value (3) into the other equation (y=.5x) to find the value of y. Y=.5(3) so y=1.5. Therefore the answer is B.

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The sum of two consecutive integers is − 17 -17. find the numbers
UkoKoshka [18]
I think it might be -76
4 0
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What is the slope of the line with equationy-3=-x-2)?<br> 3)<br> (42).
gulaghasi [49]

Answer:

Step-by-step explanation:

-3 = -x - 2

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4 0
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Work out the value of 3x + 2y when x=4 and y=-5
Kruka [31]

3x + 2y =

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5 0
3 years ago
Read 2 more answers
Could 7.7 cm , 4.0 cm , 7.7 cm,4.0 cm,7, point, 7, start text, space, c, m, end text, comma, 4, point, 0, start text, space, c,
Lyrx [107]

Answer:

With given side lengths a triangle <u>could not</u> be created.

Step-by-step explanation:

Given:

First side length = 7.7 cm

Second side length = 4.0 cm

Third side length = 1.7 cm

We need find whether this could be the side length of the triangle.

Solution:

Now we know that;

By Triangle In equality property which states that;

"Sum of the two side length of the triangle must be greater than third side."

It should fulfill all three conditions;

So we will find the same.

Condition 1:

First Side + Second Side > Third side

7.7+4.0>1.7\\\\11.7>1.7

Hence This condition is true.

Condition 2:

Second side + Third Side > First side

4.0+1.7>7.7\\\\5.7>7.7

Hence This condition is False.

Condition 3:

First side + Third Side > Second side

7.7+1.7>4.0\\\\9.4>4.0

Hence This condition is true.

Since One of the condition is false hence With given side lengths a triangle could not be created.

8 0
3 years ago
Read 2 more answers
If DE=52 and EF=21, find DE
dalvyx [7]

Answer:

52

Step-by-step explanation:

You already said that DE=52.

5 0
3 years ago
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