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Luden [163]
4 years ago
7

What are the solutions to the nonlinear equations below y=4x x^2 + y^2=17

Mathematics
1 answer:
wolverine [178]4 years ago
8 0

Answer:

x = 1 and x = -1

Step-by-step explanation:

Next time, please separate the equations with a comma or semicolon.  Thanks.

We can substitute 4x for y in the quadratic equation x^2 + y^2=17:

x² + (4x)²=17.

Then x² + 16x² = 17, or

17x² = 17, or x² = 1.  There are two solutions:  x = 1 and x = -1.

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Observe and record the coordinates of the transformation shown below. How can this transformation be represented algebraically?
Tju [1.3M]

Answer: ( x + 7, y - 3)

Step-by-step explanation:

6 0
3 years ago
Before a basketball game a referee noticed that the ball seemed under inflated. She dropped it from 6 feet and measured the firs
deff fn [24]

Answer: a) H = h( 0.5 )^n

b) H = 1.125inches

Step-by-step explanation:

Let H = height of the ball

n = number of time the ball bounces

h = initial height.

The exponential function to model the height of the ball will be:

H = h( 1 - 0.5)^n

H = h( 0.5 )^n

It's minus because the height of the ball is decreasing.

h = 36 inches

n = 5

H = 36( 1 - 0.5 ) ^5

H = 36( 0.5 )^5

H = 36 × 0.03125

H = 1.125inches

7 0
3 years ago
The cost C of manning household is partly constant and partly varies as the number of people, the cost is 70,000 and for 10 peop
elena-s [515]

Answer:

4.196.754

Step-by-step explanation:

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7 0
3 years ago
Bill found a book he wanted on sale for $20.80. The original price of the book was $32. Find the discount rate.
Maurinko [17]

Answer:

35% discount

Step-by-step explanation:

We can first find what percent of 32 20.80 is.

This can be shown by using a percent proportion.

\frac{20.80}{32} = \frac{x}{100}

We can cross multiply to find the value of x.

20.80\cdot100=2080\\\\2080\div 32 = 65

So 20.80 is 65% of 32.

However, this is the percent of the original price. To find the discount, we have to subtract 65 from 100.

100 - 65 = 35

So the book was on a 35% discount.

Hope this helped!

3 0
4 years ago
The length of a rectangle is 8 centimeters less than its width. What are the dimensions of the rectangle if its area is 240 squa
Dmitriy789 [7]
Answer:
Well, Your best answer will be is 35.
Here's a Explain.
W-5=0
W=5 That's for the width.
L=3*5-8
L=15-8=7 And, That's for the length.
Here's proof.
35=7*5
35=35
Hope That Helps!~
6 0
3 years ago
Read 2 more answers
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