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tiny-mole [99]
3 years ago
11

Help please All the questions!

Mathematics
1 answer:
SashulF [63]3 years ago
6 0

Answer:

9. 32.

10. 6.

11. 10 to 15.

12. 32%

Step-by-step explanation:

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1 inch = 2.54cm 1 mile = 1.6km a map has a scale of 1 inch represents 1 mile use the given conversions to show that 1cm on the m
lara31 [8.8K]
Note: 1 inch = 2.54 cm is an exact converion, while 1 mile=1.6km is only approximate.

Using conversion
1 inch=2.54 cm
1 mile = 1760*3*12 = 63360 in = 160934.4 cm 
If 1 inch = 1 mile, then 
2.54 cm : 1 mile = 1.609344 km
1 cm : 0.6336 km   (exactly), or
1 cm : 0.6 km (approximately)

Using both conversions:
1 inch = 2.54 cm : 1 mile = 1.6 km
=>
2.54 cm : 1.6 km
1 cm : 1.6/2.54=0.6299 km (approximately), or
1 cm : 0.6 km (approximately)
8 0
3 years ago
Q3 Jason has a collection of 120 baseball cards. He let his friend Justus get 1/4 of his collection and sells 1/5 to ebay. He to
Lady bird [3.3K]

Answer:

52

Step-by-step explanation:

120 x .25 = 30

120 - 30 = 90

90 x 0.2 = 18

90 - 18 =  72

72 -20 = <u>52</u>

8 0
3 years ago
Read 2 more answers
3y + 5z + 8y - 3z<br><br> A: 11y + 5z<br> B: 14y + 2z<br> C: 14y + 8z<br> D: 16yz
xxMikexx [17]
Combine like terms:
<span>3y + 5z + 8y - 3z = (3y + 8y) + (5z - 3z) = 11y + 2z

So you would choose A confidently
</span>
6 0
3 years ago
En la expresión algebraica: a (y+2) + n (y+2),el factor común es
sveta [45]

Answer:

2

Step-by-step explanation:

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number cycle g vjuvgulnojhi

3 0
3 years ago
Which underfined geometric term can be described as a one dimensional
satela [25.4K]

Hello from MrBillDoesMath!

Answer:

A point.



Thank you,

MrB

7 0
4 years ago
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