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kakasveta [241]
3 years ago
13

Find the zeros of the function.9x^2-36=0I've gotten half way right up to9(x^2-4)=0​

Mathematics
1 answer:
Airida [17]3 years ago
7 0

Answer:

x = ±2

Step-by-step explanation:

9x^2-36=0

Using the square root property

9x^2 = 36

Divide each side by 9

x^2 = 4

Take the square root of each side

sqrt(x^2) = sqrt(4)

x = ±2

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How many terms are there in the following expression? x - 5 + 16x + 4 - 2x - 3
k0ka [10]

Answer:

Two terms

Step-by-step explanation:

First, we have to simplify reducing the number of terms, since there are like terms

x-5+16x+4-2x-3

Eventually, you'll get 15x-4,  thus there are two terms.

Please correct me if I'm incorrect, and I'll change the answer, but I hope I helped :)

3 0
3 years ago
PLEASE PLEASE HELP ME I WILL GIVE BRAINLIEST
Mice21 [21]

Answer:

1) graph b

2)appears to decrease more

Step-by-step explanation:

8 0
4 years ago
Solve for x.
Aneli [31]
\frac{8x}{7}+9=30
\frac{8x}{7}=21 {subtract 9 from both sides}
8x=147 {multiply both sides by 7 to cancel out the division (fraction)}
x=18.375 {divide both sides by 8}
The answer is A) 18 3/8
5 0
4 years ago
If x is directly proportional to y and x = 6 when y = 18, what is x when y = 24?
lara31 [8.8K]
If x is directly proportional to y, it means that as x increase, y also increases and vice versa. This could be done another way. Since I am already given a point of x and y, I could simply find the difference between x and y, which would be 12 in this case. To find the x value when y is 24, I would simply either add or subtract that difference. Depending on which of the x or y value is higher. In this case, since we are solving for y and y is larger than x, I would subtract it. Meaning x would be 12.
6 0
4 years ago
In how many ways can 5 starting positions on a basketball team be filled with 8 men who can play any of the positions?
Vladimir [108]

8 men, 5 positions

 so multiply 8*7*6 =336

divide by 3*2 =6

336/6 =56

 56 different ways

3 0
3 years ago
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