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son4ous [18]
3 years ago
10

I need some help plz

Mathematics
1 answer:
Dmitrij [34]3 years ago
4 0
There is : 3 pencils
4 Bubble gums
2 sports cards
In each favor bag
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Mark is solving the equation 4x2 + 2x = -9 using the quadratic formula.
Masteriza [31]
4x^2 + 2x = -9
4x^2 + 2x + 9 = 0

remember that the form of quadratic is ax^2 + bx + c = 0

so
a = 4
b = 2
c = 9
6 0
3 years ago
Find the vertex for the equation: <br> y = 3x^2 + 18x + 30<br> (-3, 3)<br> (-3, -51)<br> (3, 111)
Papessa [141]
I think (-3, 3 ) !!!!!!!!!!!
8 0
3 years ago
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Graph y = f(x) = 3(2)x. Adjust the equation to make the y-intercept (0, −3). Which response is not correct?
Sauron [17]

Answer:

Replace x with −x.

f(x) = 3(2)−x is not correct because the y-intercept is (0, 3).

the answer is B

Step-by-step explanation:

5 0
3 years ago
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Jenny has saved $3,800 over the last 12 months. She saved either $250 or $350 a month. During the 12 month period, how many time
Nana76 [90]

Answer:

Jenny save 4 times \$ 250 for the month

Step-by-step explanation:

Given Jenny has saved \$3,800 over the last 12 months.

She saved either \$250 or \$350 a month.

Let the number of months to save \$250 be x

Let the number of months to save \$350 be y

Total period is 12 month.

x+y=12 \ \ \ \ equation\ 1

Jenny has saved $3,800 over the last 12 months.

250x+350y=3800

Dividing both side from 50 we get,

\frac{250}{50}x+\frac{350}{50}y= \frac{3800}{50}

5x+7y=76 \ \ \ \ equation\ 2

Now Multiplying  equation 1 by 5 we get,

5\times(x+y)=5\times 12\\5x+5y=60\ \ \ \ equation \ 3

Now Subtracting Equation 3 by equation 2 we get,

(5x+7y=76)-(5x+5y=60)\\2y=16\\y=\frac{16}{2}= 8

Substituting the value of y in equation 1 we get,

x+y=12\\x+8=12\\x=12-8\\x=4

∴ Jenny save 4 Months of  \$ 250 and 8 Months of  \$ 350in a 12 month duration

4 0
3 years ago
Read 2 more answers
The function h(t) = –16t^2 + 32t + 48 is graphed. When will h(t) = 48?
lana [24]

Answer:

h(0) = –16t^2 + 32t + 48

Step-by-step explanation:

If everything with a t is multiplied by zero, it will make everything 0 and leave the value of the constant, 48.

3 0
3 years ago
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