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borishaifa [10]
3 years ago
11

Which graph shows the graph for the quadratic function? y=2x^2+5x-3

Mathematics
1 answer:
tatiyna3 years ago
7 0
2x^2 + 5x - 3 = 0

(2x + 1 )(x + 3 ) =0

The zeroes are x = -3 and x = 0.5

The graph is a parabola opening upwards  and it cuts  the x-axis at (-3,0) and  (0.5,0).

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Please help me!!!!!!!
klemol [59]

Answer:

145

Step-by-step explanation:

4+4+3=180 bc its a straight line

180-5=90

4+3=90

4=55

90-55=35

3=35

1=3

1+2=180

180-35 bc 1=35

180-35=145

2=145 degrees

7 0
3 years ago
Consider the triangle. Which shows the order of the angles from smallest to largest? angle A, angle B, angle C angle B, angle A,
Katyanochek1 [597]

Answer:

angle B, angle A, angle C

Step-by-step explanation:

The shortest side length will be opposite the smallest angle, and the longest side length will be opposite the largest angle.

When the triangle is drawn and labeled, we see that AB is opposite angle C; BC is opposite angle A; and CA is opposite angle B.

Since the smallest side is AC, this means the smallest angle is angle B.

Since the middle length side is BC, the middle sized angle is A.

Since the longest side is AB, the largest angle is C.

This means the order from smallest to largest is B, A, C.

6 0
3 years ago
Read 2 more answers
The number N of bacteria present in a culture at time t (in hours) obeys the equation N = 1000e^0.01t After how many hours will
jasenka [17]

Answer: N(t) = (2^t)*1500

Step-by-step explanation:

Let's define the hour "zero" as the initial population.

So if N(t)  is the number of bacteria after t hours, then:

N(0) = 1500.

Now, we know that the population doubles every hour, so we will have that after one hour, at t = 1

N(1) = 2*1500 = 3000

after two hours, at t = 2.

N(2) = 2*(2*1500) = (2^2)*1500

After three hours, at t = 3

N(3) = 2*(2^2)*1500 = (2^3)*1500

So we already can see the pattern, the number of bacteria after t hours will be:

N(t) = (2^t)*1500

5 0
3 years ago
Please help me i need help bad
Elena L [17]

Answer:

Line segment A' B' has a length of 2 units, and line segment C' D' has a length of 4 units.

Step-by-step explanation:

All we need to do is count the units in between the line segments.

3 0
3 years ago
When Matthew eats a pizza he always eats a whole slice at a time with no bites left over. Which graph best represents this situa
RoseWind [281]

Answer:

b

Step-by-step explanation:

5 0
3 years ago
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