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AleksandrR [38]
3 years ago
10

Write in standard form (×+4)(×-5)=4 find the value of a,b,c​

Mathematics
1 answer:
Alex17521 [72]3 years ago
4 0

Answer:

x^{2} - x - 24 = 0

a = 1

b = 1

c = -24

Step-by-step explanation:

(x + 4)(x - 5) = 4

x(x - 5) = x^{2} - 5x

4(x - 5) = 4x - 20

x^{2} - 5x + 4x - 20 = 4

x^{2} - x - 20 = 4

x^{2} - x - 20 - 4 = 0

x^{2} - x - 24 = 0

a = 1

b = 1

c = -24

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madreJ [45]

Answer:

m\angle YSV=85^o

Step-by-step explanation:

The complete question in the attached figure  

step 1

Find the measure of angle QPZ

we kno that

m\angle RPZ+m\angle QPZ=180^o ---> by supplementary angles (form a linear pair)

we have

m\angle RPZ=95^o ---> given value

substitute

95^o+m\angle QPZ=180^o

m\angle QPZ=180^o-95^o

m\angle QPZ=85^o

step 2

Find the measure of angle YSV

we know that

When two lines are crossed by another line, <em><u>Alternate Exterior Angles</u></em> are a pair of angles on the outer side of each of those two lines but on opposite sides of the transversal. If the two lines are parallel then  the alternate exterior angles are congruent.

In this problem

The transversal is the line XY

The two parallel  lines are RQ and VW

therefore

m\angle YSV=m\angle QPZ ---> by alternate exterior angle

we have

m\angle QPZ=85^o

therefore

m\angle YSV=85^o

5 0
4 years ago
Princess Anna decides to make a birthday cake for Queen Elsa’s birthday! Anna, Olaf, Kristoff and Sven all add a different ingre
kramer

Answer:

Sven used Sugar.

Step-by-step explanation:

The question gives the amount of each ingredient left after making the cake.

\frac{1}{4} = 0.25 - Flour

\frac{1}{3} = 0.33 - Butter

\frac{1}{2} = 0.50 - Sugar

\frac{5}{8} = 0.625 - Eggs

It says that Anna used most of her ingredients, this means she has used the ingredients which has the least amount left. The lowest out of the fractions above is \frac{1}{4}. So Anna used Flour.

Also Olaf used the least of his, meaning he has most of his ingredient left. Highest value in the list is \frac{5}{8}. So Olaf used Eggs.

Kristoff used more than Sven, means that Kristoff has less of his ingredient left compared to Sven. So lower value out of the values left goes to Kristoff, that is \frac{1}{3}. So Kristoff used Butter.

So we are left with Sugar and Sven.

So Sven used Sugar.

7 0
3 years ago
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elixir [45]

Answer:

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Step-by-step explanation:

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3 years ago
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Alik [6]

Answer:

2x + y = 18

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Step-by-step explanation:

x = 1st number

y = 2nd number

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lianna [129]

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Step-by-step explanation:

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