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Bess [88]
4 years ago
15

Alg 1

Mathematics
2 answers:
Mice21 [21]4 years ago
6 0
A)true
B)false
c)false
D)true

they are right
Nutka1998 [239]4 years ago
3 0

Answer:

b. I would expect the data to be negatively correlated.

Step-by-step explanation:

This is because the correlation is an inverse. That means that the longer you jog the less time it should take you to do it.

I know that the answer is not A because I took the test and A was incorrect.

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Olivia types 224 words in 4 minutes. Charlotte types 348 words in 6 minutes. Who types faster?
Anettt [7]

Answer:

to get who types faster look at the number of words per minute so in this case it's Charlotte any more questions

4 0
3 years ago
Read 2 more answers
If anyone can answer my question please help :)
Yuki888 [10]
Since they are similar you need to start by making ratios for each pentagon.
1.8/2.4 is the first and x/3.6 is the second. Now set them equal to each other and cross multiply.
1.8 X
___ = ____

2.4 3.6

2.4x= 6.48 Now divide both sides by 2.4

2.4x= 6.48
___ ____

2.4 2.4

X= 2.7
8 0
3 years ago
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Sonja wants to reduce her expenses so she can balance her budget. Which variable expense can Sonja easily adjust? A. rent B. eme
rjkz [21]
Easy! Entertainment.
3 0
3 years ago
Is it possible to contruct a 4x3 matrix b and a 3x4 matrix c such that bc is invertible?
Lady bird [3.3K]
Matrix B has dimensions 4x3 
Matrix C has dimensions 3x4

Write out those dimensions like so: 4x3   3x4
The inner '3's match up so B*C is possible. The dimensions of B*C is 4x4 as these are the outer dimensions when lining up 4x3  3x4

Since B*C is a square matrix, it is possible that an inverse could exist. Keep in mind that this isn't a guarantee as the determinant of B*C could be zero (which would lead to BC being non-invertible). Though of course we'd need more info.
3 0
3 years ago
A phone company offers two monthly charge plans. In Plan A, the customer pays a monthly fee of $35 and then an additional 6 cent
Dafna11 [192]

Answer: Plan A will cost less than Plan B for phone use that is less than or equal to 100 minutes

Step-by-step explanation:

Let m be the number of minutes of phone use.

We can convert $35 and $36 to 3500 cents and 3600 cents respectively.

Then, in Plan A, it would cost 3500 + 6m and in Plan B, it would cost 3600 + 5m.

Since we want Plan A to cost less, we can set up an inequality saying:

3500 + 6m \leq 3600 + 5m

We can subtract 3500 + 5m from both sides:

m\leq 100

Therefore, Plan A will cost less than Plan B for phone use that is less than or equal to 100 minutes.

4 0
2 years ago
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