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Kay [80]
3 years ago
5

The average height of a class of 18 students is 105 cm After arrival of 7 new students the

Mathematics
1 answer:
lutik1710 [3]3 years ago
3 0

Total number of students = 18 + 7 = 25

Average height of the 25 students = 105 - 5 = 100 cm


Sum of height of all students = 100 x 25 = 2500cm


Answer: 2500cm

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The rate StartFraction 165 ounces Over 11 boxes EndFraction describes the relationship between the number of boxes and the weigh
Cloud [144]

Answer:

15 ounces per box

Step-by-step explanation:

The rate StartFraction 165 ounces Over 11 boxes EndFraction describes the relationship between the number of boxes and the weight of the crackers in the boxes. What is the weight, in ounces, of one box?

Total weight of crackers in the boxes = 165 ounces

Total number of boxes = 11 boxes

What is the weight, in ounces, of one box?

Weight per box of crackers =

Total weight of crackers in the boxes / Total number of boxes

= 165 ounces / 11 boxes

= 15 ounces per box

The weight, in ounces, of one box is 15 ounces

3 0
3 years ago
If g(x)=2x+3 is a function,then find the unknown term in the following ordered pairs.
Dmitrij [34]

Answer:

a=2, b = 1, m=9

Step-by-step explanation:

i. 7 = 2a+3 -----> 4=2a---------> a=2

ii. -1 = 2b-3 -------> 2 = 2b ------> b = 1

iii. 2(3)+3 = m -------> 6+3 = m -------> m=9

Hope this helps!!! :D

5 0
3 years ago
What’s the volume of this triangular prism ?
iris [78.8K]

Answer: 157.5

Step-by-step explanation: To get the volume of an object you must multiply the width x height ÷ it by 2 x length

Therefore 7 x 5 = 35 ÷ 2 = 17.5

17.5 x 9 = 157.5

4 0
3 years ago
Read 2 more answers
Given the Function:
sergey [27]
F(x)=-2e^x
x=3
f(3)=-2e^3
pemdas so exponents first
e^3
e=2.718281828454590
cube that
20.0855

now we have
-2 times 20.0855=-40.1711

answer should be -40.1711
(I see what you did wrong, if -6=-2 times e^3, divide -2, 3=e^3, maybe you just put -2 times 3 by mistake)
5 0
3 years ago
Read 2 more answers
My lawn is 17ft wide and 20ft long, each square foot of lawn gets 1350 new snowflakes per min how much snow in kilograms accumul
Alina [70]

Answer:

46.818 kg

Step-by-step explanation:

First, find the surface area of your yard. This is found by multiplying the length and width.

The equation for this is (l*w)=sa

So,

l=20ft

w=17ft

(20*17)= 340 square feet.

So, if each square foot gets 1350 new flakes per minute, you are going to find how much the entire yard gets in a minute by multiplying the surface area by 1350.

So,

(340*1350)= 459000  flakes for the entire yard in one minute.

Since there is 60 minutes in an hour, multiply 459,000 by 60.

459,000*60= 27,540,000  new flakes in the yard per hour.

Now, to find the weight in milligrams:

27,540,000*1.7= 46,818,000  mgs

Finally, because a kilogram is equal to one million milligrams (mg),

46,818,000/1,000,000= 46.818 kg

7 0
3 years ago
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