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omeli [17]
3 years ago
6

Plss help I need this for my algebra class and have no idea what to do

Mathematics
1 answer:
Salsk061 [2.6K]3 years ago
7 0

Answer:

30t                if t ≤ 2

25(t-2) + 60  if 2 < t ≤ 6

160                if 6 < t ≤ 10

Step-by-step explanation:

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Evaluate n+2x2 when n=3 and x=−2.
krok68 [10]

Answer:

When n=3 and x=−2  the answer is 11.

Step-by-step explanation:

Given:

Let p (n,x) be the function such that

p (n,x) = n + 2x^{2}

To Find:

p (n,x) = p ( 3, -2) = ?

Solution:

p (n,x) = n + 2x^{2}

Substituting n = 3 and x = -2 we get

p (3, -2) = 3 + 2(-2)^{2}

Negative square gives positive number therefore (-2)²=4

p (3, -2) = 3 + 2\times 4

p (3, -2) = 3 + 8\\p (3, -2) = 11

When n=3 and x=−2  the answer is 11.

7 0
3 years ago
The numbers 1, 2, 3, 4, 5, and 6 are placed in a line. How many even numbers can be made from these digits?
fiasKO [112]
<h3>Answer:    360</h3>

==========================================================

Explanation:

We have 3 even values (2,4, and 6) so this is the number of choices we have for the units digit. Recall that a number is even if the units digit is 0,2,4,6 or 8.

Once we have the units digit selected, we have 6-1 = 5 choices for the first slot, 6-2 = 4 choices for the second slot, and so on until we get down to 6-5 = 1 choice for the fifth slot

We could write it out like this

  • slot one = 5 choices
  • slot two = 4 choices
  • slot three = 3 choices
  • slot four = 2 choices
  • slot five = 1 choice
  • slot six = units digit = 3 choices

Multiply those values out: 5*4*3*2*1*3 = 360

There are 360 different even numbers possible.

6 0
3 years ago
What is the vertex of the graph of the function below?<br> y = x2 + 6x + 5
Aleksandr-060686 [28]

Answer:

(-3,-4)

If you have a chart with the coordinates in it, it will be in the middle of alike coordinates.

7 0
3 years ago
The teacher paid $12 for 6 pounds of candy. Which statement is true about her unit<br> rate?
Hunter-Best [27]

Answer:

For every pound of candy, the teacher spent $2

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
If 5 fidgets cost $35, then how much would 2 fidgets cost?
AnnZ [28]
14$ i think and good luck on ur test
7 0
3 years ago
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