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lukranit [14]
3 years ago
9

What’s the answer to this

Mathematics
1 answer:
sdas [7]3 years ago
8 0
This function is the "absolute value function."  Suppose we move from left to right, looking at the graph.  First, the graph goes down (the function decreases).  This stops at x=0, at which value the graph begins to go up (the function increases).
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What is the unit rate for $290 for 18
natka813 [3]

Answer:

16.1

Step-by-step explanation:

7 0
3 years ago
nicole and adam are each saving money for a car. the total amount of money nicole will save is represented by the function f(x)=
Natalija [7]
They will have the same amount of money after 7 weeks.

We first set these equal to each other:
36+4x=x²+15

We want to gather all of the variables on one side.  Subtract 4x from both sides:
36+4x-4x=x²+15-4x
36=x²-4x+15

We want the equation to be equal to 0 to solve it, so subtract 36 from both sides:
36-36=x²-4x+15-36
0=x²-4x-21

We can factor this expression.  We want factors of -21 that sum to -4; -7(3)=-21 and -7+3=-4:
0=(x-7)(x+3)

Using the zero product property, we know that x-7=0 or x+3=0; this means x=7 or x=-3.  Since a negative number of weeks makes no sense, the answer is 7 weeks.
6 0
3 years ago
Select the values that make b≥-3 true
liq [111]

Answer:

-3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10+

Step-by-step explanation:

and anything above 10 would be true

6 0
3 years ago
StartRoot 58 EndRoot is about greater than StartRoot 42 EndRoot.
Levart [38]

Answer:

  1.135 or 17.5%

Step-by-step explanation:

√58 ≈ 7.616

√42 ≈ 6.481

  7.616 -6.481 = 1.135

√58 is about 1.135 greater than √42. This is about 1.135/6.481 = 17.5% of the value of √42.

__

√58 is about 1.135, or 17.5%, greater than √42.

5 0
3 years ago
Jeanette obtained 32% for her statistics test, which was out of a total of 300 marks. How much should she score in the computer
Andre45 [30]

Using weighted average, it is found that she should score 67% on the computer science test.

  • The weighted average is given by <u>each proportion multiplied by it's score</u>.

In this problem, the proportions and scores are given by:

  • Proportion of 32% = 0.32 for a score of 300.
  • Proportion of x for a score of 200.
  • Proportion of 46% = 0.46 for a score of 300 + 200 = 500.

Then

0.32(300) + 200x = 0.46(500)

200x = 0.46(500) - 0.32(300)

200x = 134

x = \frac{134}{200}

x = 0.67

She should score 67% on the computer science test.

A similar problem is given at brainly.com/question/24855677

7 0
3 years ago
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