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Nata [24]
3 years ago
12

15 less than five of a certain number are fifty more than 10 times of that number. What is the number?

Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
8 0

Answer:its 8

Step-by-step explanation:

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There are 40 students in a class.
Anvisha [2.4K]

Step-by-step explanation:

Total no. of students = 40

Total no. of girls = 22

Total no. of boys = 40 - 22 = 18

No. of girls walking to school = 9

No. of girls who cycle to school = 22 - 9

No. of boys who cycle to school = 7

No. of students who take the bus = 10

(6 boys and 4 girls)

No. of boys who walk to school = 18 - (7 + 6) = 5

Total no. of students who walk to school = 9 + 5 = 14

5 0
3 years ago
What is that answer?
Vinvika [58]

I’m pretty sure that the answer is the 3rd one

8 0
3 years ago
Read 2 more answers
A converging lens of focal length 5 cm is placed at a distance of 20
lesya [120]

The object should be placed 20/cm from the lens so as to form its real image on the screen

<h3>Mirror equation</h3>

The mirror equation is given according to the expression below;

1/f = 1/u + 1/v

where

f is the focal length

u is the object distance

v is the image distance

Given the following parameters

f = 5cm

v = 20cm

Required

object distance u

Substitute

1/5 = 1/u +1/20

1/u = 1/5-1/20
1/u = 3/20

u = 20/3 cm

Hence the object should be placed 20/cm from the lens so as to form its real image on the screen

Learn more on mirror equation here; brainly.com/question/27924393

#SPJ1

4 0
1 year ago
Is the number of miles to the next service station and the number of kilometers linear
evablogger [386]
I need a photo to tell you the answer
7 0
3 years ago
If 5 pennies equal 7mm how much pennies is equal to 100mm
MAVERICK [17]
Divide 7 into 5 to find each penny value. 
7/5 = 1.4 
Thus, 1 penny is equal to 1.4 mm
100/1.4 = 71.43
Therefore 71.43 pennies is equal to 100mm.
7 0
3 years ago
Read 2 more answers
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