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UNO [17]
3 years ago
7

Find m A. 38 B. 76 C. 142 D. 71

Mathematics
2 answers:
baherus [9]3 years ago
8 0
I think the answer is a. because all sides are the same.

1 side = 38

side m = probably 38

Hope this helped☺☺
kolezko [41]3 years ago
6 0

360 = 38 + 38 + x + x
2x + 76 = 360 \\ 2x = 284 \\ x = 142
The answer is C. 142

Hope this helps.
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The Pearson product-moment correlation coefficient Group of answer choices is called the Pearson c. is used when both variables
Alekssandra [29.7K]

Answer:

provides information about the strength of a relationship

Step-by-step explanation:

A numerical measure of strength in the linear relationship between any two variables is called the Pearson's product moment correlation coefficient.

The co efficient of correlation is a pure number denoted by r , independent of the units in which the variables are measured that can range from+1 to -1 .

The sign of r indicates the direction of the cor relation.

When r= 0 it does not mean that there is no relationship . For example if the observed values lie exactly on a circle , there is a relationship between variables but r = 0  as r only measure linear cor relation.

The 2nd statement given is the correct answer.

It is not related to ordinal or nominal properties and it does show direction.

6 0
2 years ago
What is the Lcm of 28 and 32
lesantik [10]

Answer:

The lcm of 28 is 4

The lcm for 32 is also 4

Step-by-step explanation:

6 0
3 years ago
How to multiply 8 times 25 times 23?
galina1969 [7]
8.00*25.00*23.00=? (Zeros not necessary; needed to fill character requirement).
8 0
3 years ago
You work for a small business that sells bicycles, tricycles, and tandem bicycles (bicycles built for two). Bicycles have one se
Hatshy [7]
Part A: each tricycle has three wheels, so with 48 wheels the number of tricycles was a =48/3=16 tricycles.
t=w/3 (the number of tricycles is the number of wheels divided by 3)

Part B:
The number of seats:
24=b+a (so b=24-a)
The number of seats is the sum of one seat per bicycle and one seat per a tricycle

also, 61=2a+3b (the number of wheels)

So we have:
24=b+a
 b=24-a
We can substitute this for b:

61=2a+3(24-a)

and solve:
61=2a+3*24-3a
61=72-a
a=72-61
a=11

There were 11 bicycles!!
and there were 24-11 tricycles, so 13 tricycles.

Part C: each of the bikes has only one  front-steering handlebar, so there were a total of 144 vehicles:

a+b+c=144

There were 378 pedals. And the number of pedals is:
2a+2b+4c=378 (the numbers 2,2,4 represent the number of pedals per vehicle)

divide by 2:
a+b+2c=189

Now, we have
a+b+2c=189
and

 a+b+c=144
and we can subtract them from each other:
a+b+c-(a+b+2c)=144-189
-c=45
c=45, so there were 45 tandem bicycles!
(this also means that a+b=144-45, that is a+b=99)
now the wheels:
3a+2b+2c=320
Let's substitute c:
3a+2b+90=320

which is
3a+2b=240
We also know that a+b=99, so we can substract this from this equation:
3a+2b+-a-b=240-99
2a+b=141

and again:
2a+b-a-b=141-99
a=42 - there were 42 trycicles!!!

And the bicycles were the rest:
99-42=57 bycicles















3 0
2 years ago
HELP ME ASAP!!!! I NEED THIS ANSWERED!!!
tester [92]
disks just-&/&/&/$2)2$2727272727272
6 0
3 years ago
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