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malfutka [58]
3 years ago
11

Evaluate g(4): g(x) = 8x2 + 9x – 7

Mathematics
1 answer:
Murrr4er [49]3 years ago
8 0
Is "8x2" the variable 'x' or multiplying
You might be interested in
0.51 (1 repeating) as a fraction simplest form
Anon25 [30]
Answer: 23/45

step-by-step explanation:
write out your equation equal to x
x = 0.51 with a repeating 1
count the repeating decimal (1) and multiply each sides of the equation by 10^1
10x = 5.11 with a repeating 1
9x = 4.6 subtract the first equation from the second
solve for x
x = 4.6/9
eliminate the 1 decimals by multiplying the numerator and denominator by 10^1
4.6/9 • 10/10 = 46/90
find the greatest common factor
46/2 / 90/2 = 23/45
the fraction is already simplified at 23/45
i hope this helps :)
4 0
3 years ago
What is 0.5x+ 2.2y=9
tekilochka [14]
What you can do is multiply the whole first equation by 12, so 6x + 26.4y = 108.
then since the coefficients of the x value (the number in front of the x) are the same in both equations, you can subtract the second equation from the first:
  6x + 26.4y = 108 
-(6x +  0.4y  = -22) 
            26y  = 130   divide by 26
                y  =  5
you can then plug y=5 into one of the equations to solve for x:
0.5x + 2.2(5) = 9
0.5x + 11 = 9 subtract 11 from both sides
0.5x = -2    multiply each side by 2
x = -4
5 0
4 years ago
5) According to the histogram, how many shipments were received that had at most 30 bulbs broken? A) 4 B) 5 C) 9 D) 13
MariettaO [177]

Answer:

The answer would be A) 4

6 0
2 years ago
Which of the following is the solution set of x2 + 8x + 12 = 0?<br> (-2.-6<br> 2.6
algol [13]

To solve this polynomial equation, we first factor the left side.

To factor x² + 8x + 12 = 0, look for factors of 12 that add to 8.

These factors are 6 and 2 so we have (x + 6)(x + 2) = 0.

So either x + 6 = 0 or x + 2 = 0 and solving for

x in each equation, our answer is {-6, -2}.

6 0
3 years ago
Anna and Bill share a 16-ounce box of cereal. By the end of the week, Anna has eaten
snow_lady [41]

Answer:

2 ounces

Step-by-step explanation:

1 = 5/8 - 1/4 = 1/8

16 x 1/8 = 2 oz

8 0
3 years ago
Read 2 more answers
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