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Nutka1998 [239]
4 years ago
15

Helppp plzzzzzzzzzzzzzzzzzzzzz

Mathematics
1 answer:
Katen [24]4 years ago
6 0

Answer:

slope= <u>y²-y¹</u>

x²-x¹

-<u>20--20</u>

20-0

<u>-</u><u>2</u><u>0</u><u>+</u><u>2</u><u>0</u>

20

<u>0</u>

20

=0

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lisa find a hat that is already marked downtime price tag shows that the original price was $36.00 the marked down price is $27.
djverab [1.8K]
The price has been marked down 25 percent?
6 0
4 years ago
Find the cardinal number of the set<br> C = {x|x € N, 30 &lt; x &lt; 56 and x is divisible by 6},
Naddik [55]
<h3>Answer: 4</h3>

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

Explanation:

We're given the following

C = \{ x | x \in \mathbb{N}, \ 30 < x < 56, \ \text{ x is divisible by 6}\}

which means that we have a set of natural numbers between 30 and 56, excluding both endpoints, and the set of numbers are also multiples of 6.

So looking at the multiples of 6 that are between 30 and 56 leads us to

{30, 36, 42, 48, 54}

but we cross off 30 as we want x to be larger than that, so we get this updated final list

{36, 42, 48, 54}

There are four items in this final list so the cardinality of the set described is 4. The cardinality is just the number of items in a given set.

4 0
4 years ago
Oscar is trying to incorporate more exercise into his busy schedule. He has several short
katovenus [111]

Answer:

The arm routine lasts 10 minutes, and the abs routine lasts 15 minutes.

Step-by-step explanation:

Since Oscar is trying to incorporate more exercise into his busy schedule, and he has several short exercise routines he can complete at home, and last week, he worked out for a total of 35 minutes by doing 2 arm routines and 1 abdominal routine while That this week, he has completed 4 arm routines and 1 abdominal routine and spent a total of 55 minutes exercising, to determine how long does each routine last the following calculation must be performed:

2ARM + 1ABS = 35

4ARM + 1ABS = 55

4ARM + 1ABS - 2ARM - 1ABS = 55 - 35

2ARM = 20

ARM = 20/2

ARM = 10

2 x 10 + ABS = 35

ABS = 15

Therefore, the arm routine lasts 10 minutes, and the abs routine lasts 15 minutes.

7 0
3 years ago
Number four and 5????
pychu [463]

Answer:

Q4

●-4

●2

Q5

a) f(x) = 18x if x≤5

6x+90 if x>5

b) 150

c)

Step-by-step explanation:

4 0
4 years ago
if the ratio of minutes spent on homework to the number of weeknights is 120 to 5 what is the unit of homework per night
sashaice [31]
To solve this problem, divide both sides by 5 and you get a ratio of 24 to 1. The answer is 24 minutes per night. I hope this helped!
8 0
4 years ago
Read 2 more answers
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