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Llana [10]
2 years ago
6

Find three consecutive integers such that three times the third is the same as 2 les than the sum of the first and second

Mathematics
1 answer:
harina [27]2 years ago
5 0
Let the integers be x, x+1 and x+2.

Thus, 3(x + 2) = (x + x + 1) - 2

Then 3x + 6 = 2x + 1 - 2, or       3x + 6 = 2x - 1

Solving for x, x = - 7.

First number is -7
Second one is -6
Third one is -5
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Which of the following statements is always true about similar polygons
Ganezh [65]
The correct answer is D. Since the polygons are /similar/ and not /congruent/, C is not necessarily true.

Hope this helps.
3 0
3 years ago
The smallest whole number by which 9408 must be divided to get perfect square number
Snezhnost [94]

Answer:

9408,Is the only number that can divide into the same number to get exactly down to 1.

Step-by-step explanation:

4 0
2 years ago
What is the value of x?<br> pls help im so confused
Makovka662 [10]

In the proportional theory,

28 units is the total measurement that includes 8 units.

So, 10 + 3x - 5 is the total measurement that includes 10 units proportionally.

This means,

28 = 10 + 3x - 5

Now solve for x,

28 = 10 + 3x - 5

28 - 10 = 3x - 5

18 + 5 = 3x

23 = 3x

23 / 3 = x

So x = 23/3 or 7.6666....

5 0
2 years ago
If f(x) = x2 + x, find f(-3).<br> -12<br> 3<br> 6
ANEK [815]

Answer:

-9

Step-by-step explanation:

-3(2) + (-3)

-6 + (-3)

-9

4 0
2 years ago
Read 2 more answers
2x+5y=20. , -2x+20y=-90. one solution. infinity many ir no solution. use elimination to find your answer​
scoundrel [369]
2x+5y=20
X=10-2.5y

-2(10-2.5y)+20y=-90
-20+5y+20y=-90
25y=-70
Y=2.8

2(2.8)+5y=20

5.6+5y=20
5y=14.4
Y=2.88

CHECK:
2(2.8)+5(2.88)=20

5 0
3 years ago
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