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Andreyy89
3 years ago
15

Identify the solutions to the quadratic equation.

Mathematics
1 answer:
faltersainse [42]3 years ago
3 0

Answer:

A and E

Step-by-step explanation:

x²+3x-28=0

x²+7x-4x-28=0

x(x+7)-4(x+7)=0

(x-4)(x+7)=0

x=4, x= -7

Please give brainliest if it helps

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In a period of 2 and one-fourth hours, 5 and one-half gallons of water leaked from a water tank. How much water did the tank los
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Answer:

-11/2 divided by 9/4

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Find an equation of the line that has the given slope and passes through the given point.
masha68 [24]

Answer:

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Step-by-step explanation:

m= 3

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The equation of the line that passes through the given point  (-7,0) is

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Two angle measures of a triangle are 35° and 50° . What is the measure, in degrees, of the other angle?
zubka84 [21]

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Step-by-step explanation:

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7 0
3 years ago
Read 2 more answers
A regular m-gon has 3 times as many sides as a regular k-gon.
Novosadov [1.4K]

9514 1404 393

Answer:

  • k = 10
  • m = 30

Step-by-step explanation:

The interior angle of the m-gon is ...

  m-interior = 180 -360/m

The exterior angle of the k-gon is ...

  k-exterior = 360/k

The required relationships are ...

  m = 3k

  m-interior = 14/3(k-exterior)

Substituting for m, we can write the latter relation as ...

  (180 -360/(3k)) = 14/3(360/k)

Multiplying by 3k/180, we have ...

  3k -2 = 28

  k = (28 +2)/3 = 10

The values of k and m are 10 and 30, respectively.

_____

<em>Check</em>

The interior angle of the m-gon is 180 -360/30 = 168 degrees.

The exterior angle of the k-gon is 360/10 = 36 degrees.

The angle ratio is 168/36 = 14/3 as required.

3 0
3 years ago
Delia relative long jump length was recorded as 0. What does this mean
Deffense [45]

<span>When we say about an object relative to something, this only means that we are comparing an object’s characteristic to that of our reference. So in this case, I think we are referencing Delia’s jump to someone else. Say our reference has a long jump length of 5 meters, since Delia’s relative long jump length is 0, this means that relative to the reference there is no difference. Therefore, Delia’s jump length is also 5 meters.</span>

3 0
4 years ago
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