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iren2701 [21]
3 years ago
13

If (x-7) is a factor of 2x^2-11x+k, what is the value of k

Mathematics
1 answer:
kondaur [170]3 years ago
4 0

If x-7 =0

Then x =7

Substitute x=7 into f(x):

2(7)^2 - 11(7) + k

= (98-77)+k

= 21+k

Therefore k=-21 because 21+(-21)=0

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Find the area of the trapezoid. A trapezoid has a base of 8 meters, a height of 6 meters, and a top side length of 4 meters.
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Answer:

  • 36 m²

Step-by-step explanation:

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8 0
3 years ago
(2 Fruit juice A is composed of 2 parts apple juice and 1 part grape juice.
Elenna [48]

The amount of kilograms of each type of original fruit juice weighs; 12 kg of Apple and 6 kg of grape

<h3>How to Solve Algebra Word Problems?</h3>

The concentrations of apple and grape juice in the two different juice types are given as;

Juice A:

(2/3) apple

(1/3) grape

Juice B:

(1/3) apple

(2/3) grape

Let a be how much juice A is in the mixture;

Let b be how much juice B is in the mix.

Thus;

²/₃a + ¹/₃b = 10     ------(eq 1)

¹/₃a + ²/₃b = 8       ------(eq 2)

Solving both equations simultaneously gives us;

a = 12 and b = 6

Thus, the amount of kilograms of each type of original fruit juice weighs; 12 kg of Apple and 6 kg of grape

Read more about Algebra Word Problems at; brainly.com/question/13818690

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5 0
10 months ago
What is 5 3/5% of 750?<br><br> Thanks in advance.
GREYUIT [131]
<h3>given:</h3>

5 \frac{3}{5} \% \: of \: 750

<h3>solution:</h3>

5 \frac{3}{5}  = 5.6

\frac{5.6\%}{100}  \times  \frac{x}{750}

= 42%

6 0
2 years ago
F(x) = 4x + 7, g(x) = 3x^2 Find (f + g)(x)
kondor19780726 [428]
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3 0
3 years ago
The figure shows ∆ABC with m∠ABC = 90°.
notsponge [240]

Answer:

Hello,

Please, see the attached file.

Thanks.

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
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