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emmainna [20.7K]
3 years ago
13

Help on question 9 and 10 please!!!

Mathematics
1 answer:
Lilit [14]3 years ago
4 0
C  and d this is the answer to everthing in life
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Please help me with this questions and please shoe your work. Thank you very much
Katena32 [7]
D
E
F


Work
So the answer to the original problem:
6-4.5 +(-8) equals -1.5
D,E,and F all yeild this answer.

Another way to do it is to simply rearrange the equation 

D:
6-4.5 +(-8)
6-4.5-8
your just removing the parenthesis and swapping the sign

E:
6+(-4.5) -8
is the exact same as
6-4.5 +(-8)
you're just moving the parenthesis

F:
This one you're just adding a parenthesis and flipping the of
6-4.5 +(-8)
which turns it into
6+(-4.5)+(-8)

Hope this helps!

6 0
3 years ago
Explain why the triangles are similar. Then find the value of x.
xxTIMURxx [149]

Answer:

well u can find triangles in the shape and they are the same shape just smaller

Step-by-step explanation:

combine like terms

3x+4x= 7x

14-1= 13

then divide by 7

1.85(keep going)  i think THINK this is right im sorry if it isn't

8 0
3 years ago
Martha made 3 birthday cards and she wants to make more. if she makes 5 cards an hour, How many cards will she have after 6 hour
frozen [14]
Well, since she makes 5 cards in ONE hour, we'll just multiply 5 times 6 to find out the total amount of cards made in 6 hours, which is 30. HOWEVER, we mustn't forget to add the amount of cards BEFORE she began making 5 cards per hour, which is 3, so 30 + 3 = 33. She made 33 cards after 6 hours. c:
8 0
3 years ago
For every person who has the flue, there are 6 people who have have only flu-like symptoms. If doctor sees 40 patients, determin
nasty-shy [4]
Hello! To solve this question, you'll need to set up a ratio to represent this problem. If there are 6 people who have flu-like systems for every 1 person who has the flu, the ratio would be 6:1. Use this ratio to find the number of patients with only flu-like symptoms.
6 (flu-like symptoms) : 1 (flu)
12:2
18:3
24:4
30:5
36:6
There would be approximately between 30-36 patients with only flu-like systems. Hope this helps! :)
3 0
3 years ago
Use a related multiplication fact to find the quotient
Fudgin [204]
Qwertyuiopasdfghjklzxcvbnmwertyuio
5 0
3 years ago
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