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inn [45]
3 years ago
6

PLS I NEED HELP PLSSSSSSSSSS

Mathematics
1 answer:
Oksana_A [137]3 years ago
7 0
3 cm I think I hope this helps
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Please HELP ME!!! (16 POINTS) due today :)))
aleksandr82 [10.1K]

Answer:

Step-by-step explanation:

I'm not sure what the question is asking, but if you mean the angles in the blue lines

First one, we know that the full length is 90, and it has gacen us 80, so the angle would be 10

Second one, we see that the angle is still 90, and since the given degree is 30, the unkown angle would be 60

Third one, the given angle is 75 so 90-75=15.

The answers would be 10, 60, and 15.

8 0
3 years ago
Read 2 more answers
A group of finance managers at a car dealership estimates thatt 23% of all cars purchased last year were leases.If a sample of 8
vesna_86 [32]

Answer:

p = 0.52392

Step-by-step explanation:

Here we have

p = 23% = 0.23

\hat p = 208/800 = 0.26

n = 800

q = 1-p = 0.77

α = 5% = 0.05

Here we have

Z test given by

z=\frac{\hat{p}-p}{\sqrt{\frac{pq}{n}}}

From which we have

From the Cpdf we have Probability = 0.0219, z = 2.016

Therefore from the z score = 0.0683, p = 0.52392 from z table.

5 0
4 years ago
Mary is 15 years older then her niece Katie. In 10 years Mary is two times as old as katie. How old are Mary and Katie now?
liraira [26]
15+10 =25 years old(Marry)
Divide it by 2 = 12.5
=13

Marry =25
Niece= 13
6 0
3 years ago
What is the solution of 3(x-1)=2x+5
Tpy6a [65]
3( x - 1 ) = 2 x + 5
 
Expand 3(x-1) :

3*x - 3 x 1 

3 x - 3 = 2 x + 5

Add 3 both sides :

3 x - 3 + 3 = 2 x + 5 + 3

3 x = 2 x + 8

3x - 2 x = 8

x = 8

hope this helps!



3 0
3 years ago
Read 2 more answers
A 100 kg object is dropped from a height of 25 m. What<br><br> is its velocity after falling ?
hjlf

Answer:

the velocity would be 40.5

Step-by-step explanation:

3 0
2 years ago
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