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Ahat [919]
4 years ago
7

If a parallelogram is a rectangle then the diagonals are __________.

Mathematics
1 answer:
zepelin [54]4 years ago
5 0
The answer is congruent. 
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Y = 3x + 15<br> 3x + 3y = 9
Zina [86]

Answer:

\Large\boxed{x=-3}\Large\boxed{y=6}

Step-by-step explanation:

<u>Given the system of equations</u>

1)~y=3x+15

2)~3x+3y=9

<u>Divide 3 on both sides of the 2) equation</u>

3x+3y=9

3x\div3+3y\div3=9\div3

x+y=3

<u>Current system</u>

1)~y=3x+15

2)~x+y=3

<u>Substitute 1) equation into the 2) equation</u>

x+(3x+15)=3

<u>Combine like terms</u>

x+3x+15=3

4x+15=3

<u>Subtract 15 on both sides</u>

4x+15-15=3-15

4x=-12

<u>Divide 4 on both sides</u>

4x\div4=-12\div4

\Large\boxed{x=-3}

<u>Substitute the x value into one of the equations to find the y value</u>

y=3x+15

y=3(-3)+15

y=-9+15

\Large\boxed{y=6}

Hope this helps!! :)

Please let me know if you have any questions

4 0
2 years ago
Over the last 5 business days, Ross made the following numbers of sales calls: 7,9,6,10, and 8. On average, how many calls
amid [387]
Answer : 8

7 + 9 + 6 + 10 + 8 = 40
40/5 (5 is the number of sales calls) = 8
5 0
3 years ago
Frank has 27 liters of water. He pours equal amounts for 9 softball players. How much water will each player get?
MA_775_DIABLO [31]

Answer:

d. 3 liters

Step-by-step explanation:

divide the amount of water by the amount of players to get the answer

27 ÷ 9 = 3

6 0
3 years ago
Read 2 more answers
Write the equation 3x+5-2x=-3y+2x-8 in general form.
Ivahew [28]

Answer:

x=-3y+13

Step-by-step explanation:


8 0
4 years ago
What is the structures found on the ventral surface of some fronds,called?
ruslelena [56]
The structure found in the ventral surface of some fronds is called the Indusium. This structure is a membranous outgrowth on the undersurface of fern leaves which protects and covers the structure of developing sporangia. It can be classified as true or false indusium. 
5 0
4 years ago
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