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Grace [21]
3 years ago
14

Which of the following statements are true about the graph of the function f(x)=(x+5)(x-3)

Mathematics
1 answer:
mina [271]3 years ago
4 0

x * x = x^2

x * -3 = -3x

5 * x = 5x

5 * -3 = -15

x^2 -3x + 5x -15

x^2 + 2x -15

This function is a quadratic function, with an upwards parabola.

You might be interested in
X multiplied by 11 is less than or equal to 22
Julli [10]

Answer:

It depends on the value of x.

Step-by-step explanation:

11x less than or equal to 22? It depends on the value of x.

6 0
3 years ago
A particle moves with velocity function v(t) = 2t^2 - 3t - 3, with v measured in feet per second and t measured in seconds. Find
SashulF [63]
V(t) = 2t^2 - 3t - 3

for an acceleration a(t),
a(t) = d (v(t)) / d t
a(t) = 4t - 3

at t=2
a(2) = 8 - 3
a(2) = 5 feet/s^2

3 0
3 years ago
The area of a plot of land is 2496 square meters. A small part of the land is fenced. The ratio of the area of the plot of land
AfilCa [17]
My late response (haha): First, you would write a proportion.

Step 1: 2496 over 48 = x over 31
(x represents the area of the land that is not fenced).

Step 2: Cross multiply
2496 times 31 and x times 48

Step 3: Calculate
77376 = 48x

Step 4: Divide both sides by 48
77376/48 = 1612
48x/48 = x

Step 5: Write it as a sentence 
The area of the land that is not fenced is 1612 squared meters. 

Hope that helped! Good luck! :]
4 0
3 years ago
Ms. Skeen bought 3 pounds of candy for the Christmas party. There was a total of 147 pieces of candy. She wants to divide it amo
ohaa [14]

The 3 lbs of candy is irrelevant, so we can discard that. All you need to do is divide 147 by 26, which is 5.65 pieces of candy. Each student will get 5 pieces, with a few left over.

5 0
3 years ago
Freida earns $5.25 per hour and time-and-a-half for overtime for all hours over 40 hours. How much did she earn the week she wor
nikdorinn [45]

Answer:

Total earned= $273

Step-by-step explanation:

Giving the following information:

Regular labor hours= $5.25

Overtime labor hours= $5.25*1.5= $7.875

<u>To calculate the total earned, we need to use the following formula:</u>

Regular labor hours= 40*5.25= 210

Overtime labor hours= 8*7.875= 63

Total earned= 210 + 63

Total earned= $273

8 0
2 years ago
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