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Mrrafil [7]
3 years ago
15

What is the solution of equations? Y= -3x-2 5x+2y=15

Mathematics
1 answer:
loris [4]3 years ago
8 0
Since y=-3x -2 we shall replace this value of y in the second equation to get ..
5x+2(-3x-2)
=5x-6x-4
=-x-4,take the -4 to the other side and so we shall have
-x=4 ,divide both sides by -1 to get x=-4
So we shall go back to our first equation and replace x with the value we have so we shall get...
Y=-3(-4) -2
Y= 10
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Which statements are true about the rectangular pyramid below? Select three options .​
sp2606 [1]

Answer:

First, second, and fourth are true.

Step-by-step explanation:

Ok, so let's get to it.

The first statement is true, since 6 * 4 = 24.

The second statement is also true, since the 4 triangles are the 4 sides.

The third statement is false since they aren't congruent since they don't have a consistent ratio.

The fourth one is true, since 24(2) + 18.4 does indeed equal to 66.4

The fifth one is false since only the <u>base </u>has an area of 24.

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8 0
3 years ago
A square tile measures 16 inches on each side. If 1 inch = 2.54 centimeters, determine the area of the tile in square centimeter
garik1379 [7]

The answer to the nearest square centimeters is 1,652 cm2.

The calculation can be calculated as follows :

The first step is to convert the tile measures in inches to centimeters.

1 inch = 2.54 centimeters

16 inches = 16 x 2.54 centimeters

16 inches = 40.64 centimeters

The second step is to calculate the area of the tile in square centimeters.

Tile's area in square centimeters

= 40.64 x 40.64

= 1,651.6096 cm2

The last step is to round the answer to the nearest square centimeters.

= 1,651.6096 cm2

= 1,652 cm2

Hence, the area of the tile in square centimeters is 1,652 cm2.

Read more about area in square centimeters here

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3 0
1 year ago
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S_A_V [24]
The next three terms are 44,58,74
6 0
3 years ago
A recipe called for 5/9 cup of chopped lettuce and 5/6 cup of diced lettuce. In total, how many cups of lettuce did the recipe c
77julia77 [94]

Answer:

1 7/18

Step-by-step explanation:

5/9 + 5/6  write all numerators above the least common denominator which is 18.  

10+15/18  then you add the numerators which will make it 25/18 which alternative form will be 1 7/18, or in decimal 1.38


3 0
3 years ago
Can Someone help me ​
mrs_skeptik [129]

Answer:

1. congruent

2. congruent

3. not congruent

4. not congruent

5. congruent

6. congruent

7. congruent

8. congruent

9. congruent

Step-by-step explanation:

4 0
3 years ago
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