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PSYCHO15rus [73]
3 years ago
6

Which is a good comparison of the estimated sum and the actual sum of 7 7/8 + 2 2/11?

Mathematics
1 answer:
Ipatiy [6.2K]3 years ago
3 0
7 7/8 can be estimated to 8

2 2/11 can be estimated to 2

8 + 2 = 10


7 7/8 = 56+7/8 = 63/8

2 2/11 = 22+2/11 = 24/11

63/8 + 24/11 = 693+192/88 = 10.06

So do you see how similar 10 and 10.06 are to each other? :)

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Helpppp helppp helppp​
worty [1.4K]

Answer:

a=2.4

b=13.9

c= -8.1

Step-by-step explanation:

a= 3-0.6= 2.4

b= 12.5-(-1.4)= 13.9

c= -5.2-2.9= -8.1

8 0
3 years ago
Help me pls I need help
viva [34]

Answer:

yes

Step-by-step explanation:

LMN should be a right triangle

use pythagorean theorem

18^2+80^2=82^2

it is a right triangle

7 0
3 years ago
Sally has 8 apples and her brother stole 4. how many does she have left ​
sergiy2304 [10]

Answer: Sally has 4 apples.

Step-by-step explanation: If she started off with eigth apples and her brother has stolen four apples, then she has four apples left.

8-4=4

Hope this helps you out! ☺

-Karleif-

7 0
3 years ago
A man divided $9,000 among his wife, son, and daughter. The wife received twice as much as the daughter, and the son received $1
monitta

Answer:

Q1:

Share of the daughter (x):

2x + x + x + $1,000 = $9,000

4x = $8,000

x = $2,000

Share of the wife:

= 2($2,000)

=  $4,000

Share of the son:

= $2,000 + $1,000

= $3,000

Answer: wife, $4,000; son, $3,000; daughter, $2,000

Q2:

= 1/2x + $1,000

Answer: 1/2x + $1,000: expression for share of the son

Proof (the wife shares $4,000):

Share of wife (x):

x + 1/2x + 1/2x + $1,000 = $9,000

2x = $8,000

x = $4,000

Step-by-step explanation:

hope it helps!

6 0
3 years ago
Plz help I don’t understand
adell [148]
So Kalinda starts with $25. Then she spends $14.28. This means you subtract since she spends it. Next, she shares $2.65. Again, use subtraction. The remainder is your answer. Or you can add 14.28 to 2.65 and then subtract that from 25.
3 0
3 years ago
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