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Arturiano [62]
2 years ago
13

Can someone please give me the (Answers) to this? ... please ... I need help….

Mathematics
2 answers:
enot [183]2 years ago
7 0

7. Triangles KJL similar to Triangle QPR

         \frac{KJ}{LJ} =\frac{QP}{RP} \\\frac{KJ}{28} =\frac{33}{42} \\KJ = \frac{33}{42} *28 =22

8. Triangles KML similar to Triangle VTU

       \frac{UT}{UV} =\frac{LM}{LK} \\\frac{UT}{60} =\frac{117}{130} \\UT =\frac{117}{130} *60\\UT=54

Last question: Triangle CUB similar to TUS

  • if both triangles are similar then the side lengths are equally  

     proportional

  • For the picture, we see that TU is three times as long as CU
  • therefore SU is three times as long as BU, and since SU is 12 then BU is 4. Therefore SB is 8
Alja [10]2 years ago
6 0

Answer:

above is the answer to the question

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Solve for x.<br><br><br><br> Enter your answer in the box.
rewona [7]

Answer:

x=61

Step-by-step explanation:

A 5 sided shape always has 540 degrees in angles in total. So, 540-90-107-144-138. Do this, and it gets you 61 degrees. Therefore x = 61 degrees

6 0
3 years ago
Need help It is working with functions and I need assistance
Ainat [17]

Answer: its 4. Look at the graph, x is horizontal and y is vertical (first go sideways then go up.) if coordinates are x,y then first go sideways when looking for x. they give you x. 7. then we go up. the graph intersects 7 at 4, therefore the coords are 7, 4 and your y coordinate is 4.

Step-by-step explanation:

5 0
3 years ago
A company that produces computers recently tested the battery in its latest laptop in six separate trials. The battery lasted 8.
Anna35 [415]

confidence interval for the mean battery life in the new model is [7.9489, 8.3045].

What is confidence interval ?

A confidence interval, in statistics, refers to the chance that a population parameter can fall between a collection of values for an exact proportion of times.

Main body:

Formula for confidence interval is =

CI = x- bar ± z*s/√n            where,

CI = confidence interval

x- bar = sample mean

z = confidence level value

{s} = sample standard deviation

{n} = sample size  

given ;

n = 6

mean = (8.23+7.89+8.14+8.25+8.30+ 7.95)/6

         =  8.127

value of z for 95% C.I. = 1.96

C.I. = 8.127 ± 1.96 * 0.22/√6

C.I. = 8.127 ± 0.1781

C.I. =[7.9490, 8.3044]

Hence correct option is A.

To know more about confidence interval , visit:;

brainly.com/question/15712887

#SPJ4

         

8 0
1 year ago
Can someone please please answer this and explain it? my math teacher didn’t :( will give brainliest points for explanation!!! (
AnnZ [28]

Answer:

QR = 1

Step-by-step explanation:

PR = PQ + QR

PR = x + 19

PQ = 9

So now put what you know in the equation above.

PR = 9 + 2x + 19

PR also equals x + 19

so

x + 19 = 9 + 2x + 19

x + 19 = 2x + 28

19 - 28 + x = 2x

-9 + x = 2x

-9 = 2x - x

-9 = x

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

QR = 2x + 19

QR = 2*-9 + 19

QR = -18 + 19

QR = 1

This really is kind of a nasty question. You don't expect to get a minus number of x.

8 0
3 years ago
A) 30<br><br> B) 32<br><br> C) 34<br><br> D) 36
Yuri [45]
The answer is d because if you take a slither off of the left side instead of twelve you have 11 so 11+11+8+8 would equal 38. 38 isnt an option so you take another slither off so now 12 becomes 10. 10 +10+8+8= 36
7 0
3 years ago
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