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Naddika [18.5K]
3 years ago
6

Given the relation y = 7x^2 + 3, if the input is 4, what is the output? (4 points) 115 116 118 120

Mathematics
2 answers:
Natali5045456 [20]3 years ago
6 0

PLug in 4 as the value of x.

7 (4)^2 + 3

7 (16) + 3

112 + 3

115.

The output is 115.

ryzh [129]3 years ago
4 0

Answer:

115

Step-by-step explanation:

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Problem is in the attached picture. Thanks in advance!
bogdanovich [222]

Answer:

Width= 120 ft

Length= 285 ft

Step-by-step explanation:

W= width and (3w-75)= length since it's 75 less than 3 times the width

w+w+(3w-75)+(3w-75)=810

8w-150=810

8w=960

w=120

So the width is 120 ft

Then substitute the 120 in for w in the length

L= 3(120)-75

L=360-75

L=285

So the length is 285 ft

You can check because 120+120+285+285=810, and because 120×3-75=285!

6 0
4 years ago
F (x)=2x+1 and g (x)=x^2-7, find (f/g)(x)
Andrej [43]
(f/g)(x) just means f(x)/g(x)

So the answer is (2x+1)/(x^2-7)
5 0
3 years ago
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Vesnalui [34]

What's a problem to your math

7 0
3 years ago
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What is the graph of a quadratic equation known as?
Arte-miy333 [17]

Answer:

The graph of a quadratic function is a U-shaped curve called a parabola.

Step-by-step explanation:

4 0
4 years ago
Complete the statements about these similar pyramids.
baherus [9]

A ratio shows us the number of times a number contains another number. The ratio of the sides, base area, and volume are equal to 3:1, 9:1, and 27:1, respectively.

<h3>What is a Ratio?</h3>

A ratio shows us the number of times a number contains another number.

Given the two lateral sides of the pyramids, therefore, the ratio of the sides of the pyramid can be written as,

Length of pyramid A: Length of pyramid B = 15:5 = 3:1

Let the length of the base of the pyramid is represented by a.

The ratio of the base area can be written as,

Area of Base of A: Area of base of B = (3a)²:a² = 9:1

The ratio of the volume can be written as,

Volume of A: Volume of B = (3l×3b×3h)/3 : (lbh)/3 = 27:1

Hence, the ratio of the sides, base area, and volume are equal to 3:1, 9:1, and 27:1, respectively.

Learn more about Ratios:

brainly.com/question/1504221

#SPJ1

7 0
2 years ago
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