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Alina [70]
2 years ago
11

Need help on number 12 and 13 please!

Mathematics
1 answer:
Digiron [165]2 years ago
4 0

Answer:3/4

4/3

Step-by-step explanation:

it i this

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I don’t know what to do calculate the surface area for the figure
Veronika [31]

Answer:

it is 40!

Step-by-step explanation:

well since area is l x w 13+10=23

and 12+5= 17

5 0
2 years ago
Divide 49p in the ratio of 4:2:1
frozen [14]

4+2+1=7

49p/7=7p

4units:2units:1unit

4 times 7p=28p

2 times 7p=14p

1 times 7p=7p

divided it is

28p:14p:7p

7 0
3 years ago
The Ferris wheel shown makes 16 revolutions per ride. How far would someone travel during one ride? Round your final answer to t
sertanlavr [38]

Complete question :

The diameter of the ferris Given is 63 feets

Answer:

3165 feets

Step-by-step explanation:

Given that :

Diameter of ferris = 63 feets

Recall :

Circumference of a circle = 2 * pi * Radius

Or

Circumference = pi * d

Hence,

Circumference of wheel = 3.14 * 63 = 197.82 feets

Distance traveled during one ride :

Circumference of wheel * number of revolutions

197.82 * 16 = 3165.12

= 3165 feets (nearest whole number)

4 0
2 years ago
Simplify the expression. (8 + 7a) + 4 7a
agasfer [191]
For this one I'm going to assume that 4 7a means 4 * 7a...

(8 + 7a) + 4 * 7a =
8 + 7a + 28a =
8 + 35a

If I read it wrong and 4 7a is actually 47a then...

(8 + 7a) + 47a =
8 + 54a =
2(4 + 27a)
3 0
3 years ago
Last year the 6th grade had 350 students.This year the number decreased 36%.How many students are in this years 6th grade class
denis-greek [22]
The decrease in students are <span>350⋅0.36=126</span>
The number of students are <span>350−126=224</span> in this year.[Ans]The number of students are 224 <span>in this year.
https://socratic.org/questions/last-year-the-6th-grade-had-350-students-this-year-the-number-decreas...
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4 0
3 years ago
Read 2 more answers
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