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2 years ago

What would be the most logical first step for solving this quadratic equation?

Mathematics

1 answer:

Sav [38]2 years ago

4 0

Answer:

D. Subtract 4 from both sides

Explanation:

I just learned about quadratic equations in school. The first step of solving quadratic equations is to make sure it is in standard form and equal to 0.

Standard form:

ax^2 + bx + c = 0

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in a 220 yard dash,Fred finished in 36.4 seconds and Bob finished in 33.9 seconds. How much longer did it take Fred?

jeyben [28]

Answer:

It took Fred 2.5 more seconds to finish.

Hope this helps!

7 0

3 years ago

What is the radius and diameter of the following circle? 11 cm

tresset_1 [31]

Answer:
22
Explanation:
The radius of a circle is exactly half the length of the diameter. Thus, to find the diameter when given the radius, multiply the radius's length by
2
.
2
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=
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2
×
11
=
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22
=
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Hope this helps.

8 0

3 years ago

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Gennadij [26K]

Refer to the attachment

8 0

3 years ago

Read 2 more answers

Marsha uses 8.5 pints of white paint and blue paint to paint her bedroom walls. 2/5

Serjik [45]

Answer:

5.1 pints

Step-by-step explanation:

Theres 2 ways

First way:

We can do 2/5 of 8.5 which is 3.4. Then, we can subtract 3.4 from 8.5 and get 5.1 pints.

Second way:

We can simply do 3/5 of 8.5 because the remaining 3/5 of the paint is blue. 3/5 of 8.5 is 5.1 pints

Hope this helped! I would appreciate a Brainliest if this helped you!

6 0

2 years ago

Mario worked from 8:25 to 12:45 yesterday.Today he will work 11:20 to 3:10. How many hours did he work in all?

Vesnalui [34]

Answer:

Mario worked from

8:25 to 12:45 yesterday

11:20 to 3:10 today

To find the total time of work

12:45

-8:25

_____

4:20

again

11:20

-3:10

______

8:10

Therefore

4:20 + 8:20 = 12 hours 30 min

7 0

3 years ago