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Talja [164]
3 years ago
7

What is the input value other than 0 for which f(x)=−2

Mathematics
1 answer:
balu736 [363]3 years ago
7 0

Answer:

Its 5

Step-by-step explanation:

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Find an equation of the plane. the plane through the point (3, 0, 7) and perpendicular to the line x = 5t, y = 2 − t, z = 8 + 4t
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Let's write the parametric line

(x,y,z) = (0,2,8) + t(5,-1,4)

(5,-1,4) is called the direction vector of the line.   It's normal to the plane

5x - y + 4z = constant

We get the constant by substituting the point (3,0,7),

5x - y +4z = 5(3) - 0 + 4(7) = 43

5x - y +4z = 43

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Derrick earned 1472 during the 4 weeks he had his summer job. If he earned the same amount each week, how much did he earn each
Agata [3.3K]
368 he earned each week.

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6 0
3 years ago
Mrs. Snell's math test has twenty questions and is worth 100 points. The test consists of multiple choice questions worth 3 poin
Irina18 [472]

Answer:

The number of multiple-choice questions are 15.

Step-by-step explanation:

Mrs. Snell's math test has twenty questions and is worth 100 points.  

The test consists of multiple-choice questions and short answer questions.

Let M represents the Multiple choice questions.

Let S represents the short answer question.

It is given that the total number of question are 20.

S+M=20    ...(1)

Also, multiple-choice questions worth 3 points each, and short answer questions worth 11 points each. The total worth of the test is 100 points.

11S+3M=100    ...(2)

Multiply equation (1) by 3 and subtract from equation (2).

11S+3M=100\\3S+3M=60\\\underline{-\:\:\: -\:\:\:\:\:\:\:\:-\:\:\:\:\:\:}\\8S\:\:\:\:\:\:\:\:\:\:\:\:\:=40\\S\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:=5

The total number of short answers is 5.

Put S=5 in equation 1.

5+M=20\\M=15

Hence, the number of multiple-choice questions are 15.

3 0
4 years ago
The steps to figuring this problem out 9x+3=8x^2+6x
Lynna [10]
U should get the app "photomath" it will help out alot!!!
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4 years ago
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