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pishuonlain [190]
3 years ago
13

The sum of two numbers is equal to 70. Which of the following functions can be use to find the product of the two numbers if one

of the numbers is x?
a) p = x^2

b) p = x (x-70)

c) p = x (70 - x)

d) p = (x - 70)^2
Mathematics
1 answer:
Temka [501]3 years ago
4 0
Let x=number 1 let y=number2
there sum is equal to 70
then

number1+number2=70

substituting

x+y=70

y=70-x
let there product will be p
p=xy
substituting
p=x(70-x)
which is choice c

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Hello, the answer is vertical. It also shifts down 15/2 units.
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3 years ago
Two forces act on an object. The first Force has a magnitude of 400 Newtons and acts at an angle of 30 degrees as measured from
Sedaia [141]

ANSWER

Option D is correct

EXPLANATION

We resolve the forces into component forms.

F_1 = 400 \cos(30) i + 400 \sin(30) j

F_1 = 200  \sqrt{3} i +200j

Also the second is resolved to obtain,

F_2= 280 \cos(135) i + 280 \sin(135) j.

F_2=  - 140 \sqrt{2} i + 140  \sqrt{2}  j

To find the resultant vector, V, We add the corresponding components of the two forces to get:

V=F_1+F_2

\implies \: V = (200  \sqrt{3} - 140 \sqrt{2} )i + (200 + 140 \sqrt{2})j

The correct answer is D.

3 0
3 years ago
ERROR ANALYSIS Describe and correct the error in finding the x-intercept.
EastWind [94]

The x-intercept is -6

Step-by-step explanation:

In order to find the x-intercept, we put y = 0 and to find the y-intercept we put x = 0

In the given method, x is put equal to zero instead of y as x-intercept had to be found.

Given equation is:

-2x+3y=12

-2x + 3(0) = 12\\-2x +0 = 12\\-2x = 12

Dividing both sides by -2

\frac{-2x}{-2} = \frac{12}{-2}\\x = -6

The x-intercept is -6

Keywords: Coordinate geometry, Intercepts

Learn more about intercepts at:

  • brainly.com/question/2131336
  • brainly.com/question/2150928

#LearnwithBrainly

3 0
3 years ago
"select all the numbers that are solutions to the equation x^3=27"
Ymorist [56]
B and C

3^3 = 27
the cubed root of 27 is 3
4 0
3 years ago
Ok so I wanted to make sure my math was correct <br> Is 274.43 - 20.46 - 25.89 = 228.08
romanna [79]
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5 0
3 years ago
Read 2 more answers
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