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Elan Coil [88]
3 years ago
13

Can someone help me please!!

Mathematics
1 answer:
Kisachek [45]3 years ago
6 0

9514 1404 393

Answer:

  AE = CE = 23; BE = DE = 20

Step-by-step explanation:

Put the values of the variables in their place and do the arithmetic.

  AE = 2u+5 = 2(9) +5 = 23

  BE = 6v-1 = 6(3.5) -1 = 20

  CE = 3u-4 = 3(9) -4 = 23

  DE = 8v-8 = 8(3.5) -8 = 20

The diagonals cross at their midpoints, so the quadrilateral is a parallelogram.

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Jack has some marbles. He has ten more red marbles than blue marbles. He has fewer yellow marbles than blue marbles.
kap26 [50]

Answer:

<u>Jack has at least 15 marbles: 12 red, 2 blue and 1 yellow.</u>

Step-by-step explanation:

1. Let's review the information given to us to solve the problem correctly:

Number of red marbles = 10 more than blue marbles

Number of yellow marbles fewer than blue marbles

2. How many of each color marble could Jack have?

r = Number of red marbles

b = Number of blue marbles

y = Number of yellow marbles

r = b + 10

y < b

If y = 1, then b ≥ 2, and r = b + 10,

fulfilling the three conditions, we have:

<u>y = 1, b = 2, and r = 12</u>

5 0
3 years ago
Use the line of beat fit to determine the estimated life expectancy of a person born in 1976
Scilla [17]
The first is going to be, D. & the second question is, C.
6 0
3 years ago
8r-11r <br> -14+5k-3<br> 8c-5-9c<br> -5y-7+6+13y<br> 6k-7-19+k<br> 2a-1-7b+4a-b+13
Ganezh [65]

3r

-17 +5k

-1c - 5

8y -1

7k -26

4a -6b 12

3 0
2 years ago
-4x - 28y=56 4x + 14y=-28
ddd [48]
Adding the 2 equations will eliminate x because -4x + 4x = 0
so we get
-14y = 28
y = -2
plug this into the second euqtion:-
4x + 14(-2) = -28
4x  - 28 = -28 
x = 0

answer is x = 0 , y = -2
4 0
3 years ago
4 divided by 5 equals 12 divided by how much ​
tigry1 [53]

Answer: imma say 1

Step-by-step explanation: sorry if wrong

3 0
3 years ago
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