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horsena [70]
3 years ago
6

Click to see the question

Mathematics
2 answers:
Vikki [24]3 years ago
6 0

A and C is the answer

hope you'll learn from your teacher how?

Komok [63]3 years ago
3 0
...........A and C ..........
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Please help I’ll give brainliesst!!
patriot [66]

Answer:

the answer I got is 14.0

hope it helps

3 0
3 years ago
Read 2 more answers
Greg studied for 12 minutes. This is 40% of the time he wants to study today. How many more minutes does Greg need to study toda
dolphi86 [110]

Answer:

18 More Minutes

Step-by-step explanation:

Hi,

I think I can help.

What I would first do here is try to find the value of 10% relative to the 12 minutes. If we find what 10% is we can multiply that to get 100% to find the total amount of minutes he wants to study. We can then subtract the time already studied to find our answer.

To do this we want to take the 40% we have and find 10. We can do 40/4 to find this since 40 divided by 4 is actually 10.

But if we do this we also have to do with to the number it is relating to / representing. Which is 12. (12 minutes = 40%)

So we can do :

40 / 4

=

10%

Also

12 / 4

=

3

So with this we can conclude that 10% of his total time is 3 minutes.

Now lets multiply this by 10 to get the 100% we are looking for so we can get the total amount of time he spent studying.

So :

10% x 10

=

100%

3 x 10

=

30 minutes

So his total time is 30 minutes of studying, but we have to find how many more minutes after his 12.

We can now simply take the total time and take off the time spent already to find this answer :

30 - 12

=

18 minutes

That is your answer, he needs to study 18 more minutes.

I hope this helps!

If you have any questions or concerns please comment or message me! :)

7 0
2 years ago
Choose the equation that correctly uses the Pythagorean Theorem for the given right triangle.
svetoff [14.1K]

Answer:

equation \: for \: pythagorean \: theorem \: is \:  \\  {3.8}^{2}  +  {6.8}^{2}  =  {x}^{2}

6 0
3 years ago
Read 2 more answers
Find a quadratic polynomial whose sum of zeroes and product of zeroes are respectively 0, <img src="https://tex.z-dn.net/?f=%20%
erastovalidia [21]
A + b = 0
ab = √(5)

since b = -a, subst into other equation

ab = √5
a(-a) = √5
-a² = √5
a² = - √5
a =±  (5)^(1/4)·i

so our two zeros are (5)^(1/4) · i and -(5)^(1/4) · i.

Our polynomial has equation

y = \left( x - 5^{1/4} \cdot \mathrm{i}\right) \left( x + 5^{1/4} \cdot \mathrm{i}\right)

difference of squares: (x + y)(x - y) = x² - y² so

\\ y = (x)^2 - \left( 5^{1/4} \cdot \mathrm{i} \right)^2 \\&#10;y = x^2 - 5^{1/2} \cdot i^2 \\&#10;y = x^2 + 5 ^{1/2} = x^2 + \sqrt{5}


your polynomial is
y = x² + √(5)
y = x^2 + sqrt(5)
8 0
3 years ago
PLSSSS MARKING BRAINLIST QUESTION BELOW
sineoko [7]

Answer:

C

Step-by-step explanation:

The question states that Car A after two hours is at 95. We can represent this as (2, 95). We know the slope is 40, which means we can find the y intercept of Car A using point slope form: y = 40(x - 2) + 95. y = 40x + 15. This means that Car B is 5 miles east of car a, as the Y intercept of Car B is 5 greater.  

5 0
3 years ago
Read 2 more answers
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