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Gnoma [55]
3 years ago
10

Asia uses an overhead projector to enlarge a drawing. The original measure 75 cm wide by 100 cm high. She moves the projector so

that the width of th projector image is 375 cm. If the original drawing and the projected image are similar figures, what will be the height of the projected image
Mathematics
1 answer:
Scorpion4ik [409]3 years ago
3 0
The ratio of the width to the height is 3:4.
So, just multiply the width by 4/3, which gives you <span>500cm.</span>
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I'm not sure what trig function to use. Someone please help, and please answer sedulously, and not just for points. Thank you in
Alex Ar [27]

Answer:

w = 6.7451

x = 8.0805

Step-by-step explanation:

Find W

Tan(56) = opposite / adjacent

opposite = 10

Adjacent = w

Tan (56) = 10/w

w*Tan(56) = 10

w = 10 / tan(56)

w = 10/ 1.4826

w = 6.7451

Find x

Tan (34) = 10 / (w + x)

Tan (34) = 0.6745

(w + x) * Tan(34) = 10

w + x = 10 / tan(34)

w+ x = 10 / 0.6745

w + x = 14.826

But we found w = 6.7451

6.7451 + x = 14.826

x = 14l826 - 6.7451

x = 8.0805

7 0
2 years ago
180 people filled out a survey about their favorite color. 95 of the respondents were female. 21 males responded that their favo
faltersainse [42]
If there were 180 taking the survey and 95 were female, that means that there were 85 males.

Since only 21 of the males said red was their favorite color, we can write the fraction 21/85.

21 / 85 x 100 = 24.7%

24.7% of the males said red was their favorite color.
6 0
3 years ago
The angle of elevation from L to K measures 39°. If KL = 12, find JL. Round your answer to the nearest tenth.
WITCHER [35]
Answer is C=9.3

Pls find attached file

4 0
3 years ago
Read 2 more answers
Determine if the function f(x)=x+4 is increasing or decreasing on the interval of 2≤x≤5. Justify your answer.
Rudik [331]

Step-by-step explanation:

Given

The function is f(x)=x+4

for x_2>x_1, we will check the values of f(x_1) and f(x_2)

Take 3 and 4

f(4)=4+4\\f(4)=8

Similarly,

f(3)=3+4\\f(3)=7

Thus, f(4)>f(3)

Also, f'(x) is 1 i.e. a constant value. So, the function is increasing linearly for the given interval.

7 0
2 years ago
Joe has 14 toys in a collection he buys 12 new toys and sells 8 out of the old collection would you subtract 26-8 which would gi
NeTakaya

Answer:

yes I think that's right because 14-12=26 so if you subtract 26 from 8 which that will give you 18

4 0
3 years ago
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