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LenKa [72]
3 years ago
10

Find 3 consecutive even integers such that the sum of twice the smallest number and 3 times the largest is 42

Mathematics
1 answer:
nadya68 [22]3 years ago
6 0

integers n, n+2 , n+4

2n + 3(n+4) = 42

2n + 3n +12 = 43

5n +12 = 42

5n = 30

n = 6

integers 6, 8 ,10

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The point (–3, –5) is on the graph of a function. What equation must be true regarding the function?
Komok [63]

The equation that must be true regarding the function is a. f(–3) = –5

<h3>How to explain the information?</h3>

The point (–3, –5) is on the graph of a function. Which equation must be true regarding the function?

a. f(–3) = –5

b. f(–3, –5) = –8

c. f(–5) = –3

d. f(–5, –3) = –2

The question is what does the point (-3, -5) correspond to on the graph of the function.

If we have a point on a graph in the Cartesian coordinate system then that point consists of coordinates (x, y). In other words, y=f(x) and x so (x, f(x)) where x is a x-coordinate and y=f(x) is y-coordinate.

Hence if we have a point (-3, -5) the corresponding coordinates are x=-3 and y=f(x)=-5.

Therefore the correct answer is f(-3)=-5.

Learn more about equation  on:

brainly.com/question/2972832

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7 0
2 years ago
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aleksley [76]
The answer would be -0.5.
4 0
3 years ago
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Factor completely: 3a2 − 14a − 24
GalinKa [24]
I know what it is. it  is (3a+4)(a-6)
7 0
3 years ago
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Use the substitution method to solve the system of equations
Sergeeva-Olga [200]

Answer:

x=1/4

y = -2

(1/4, -2)

b

Step-by-step explanation:

4x -y =3

y =-8x

substitute y =-8x into the first equation.  Everywhere you see y put 8x

4x -y =3

4x - (-8x) =3

4x+8x=3

combine like terms

12x = 3

divide by 12

12x/12x = 3 /12

x = 1/4

now we need to find y

y = -8x

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y = -2

8 0
3 years ago
Anyone know this? algebra 1 is so hard LOL
musickatia [10]

Answer:

Y= 2x+3

Step-by-step explanation:

The slope of two parallel lines are always the same.

8 0
2 years ago
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