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nignag [31]
3 years ago
10

14 POINTS!

Mathematics
2 answers:
Katyanochek1 [597]3 years ago
8 0
180 minutes to finish
nexus9112 [7]3 years ago
6 0
What fraction of side per hour

you
= 1 side / 2 hrs
= 1/2 side/hr

brother
= 1 side / 3 hrs
= 1/3 side/hr

combined rate
= 1/3 + 1/2
= (1/3)(2/2) + (1/2)(3/3)
= 2/6 + 3/6
= 5/6 side/hr

after 2 hrs you are done with your side, brother has 2*(1/3) = 2/3 done.
3/3 - 2/3 = 1/3 left to paint

(1/3 side)*(6 hr / 5 side) = 2/5 hr
2/5 hr * 60 min/hr = 24 min
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Claudia spends $2.15 a day for lunch. Her cafeteria lunch account has a balance of $48.00. Which equation can be used to determi
andreev551 [17]

Answer:

d≤48/2.15

Step-by-step explanation:

Step one:

Given data

Claudia spends $2.15 a day for lunch.

We are told that her balance is  $48.00

let the number of days be d

Step two:

The maximum number of days she can eat is given as

d≤48/2.15

d≤22.33 days

7 0
2 years ago
First is brainliest please anwer Asap
vodomira [7]

Answer:

21 and 10 :) hope it helps

Step-by-step explanation:

4 0
3 years ago
write the number 100 as a product of it's prime factor in the same way write the factors in order from smallest to largest
bearhunter [10]

Answer:

Thx for my points back

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
17) Find the surface area of the right triangular prism shown below:<br> 5<br> 2<br> 5/2<br> 3/2
harkovskaia [24]

Answer:

D

Step-by-step explanation:

They didn't provide the number for one of the faces btw..

7 0
2 years ago
Help asap pls and thx
vazorg [7]

Step-by-step explanation:

from what I can see there are 2 options to make the 2 triangles congruent :

either the opposite sides must be equal or the neighboring sides must be equal.

so, either

5x = 3x + 10

and

5x - 2 = 4x + 3

or

5x = 4x + 3

and

5x - 2 = 3x + 10

for the first

5x = 3x + 10

2x = 10

x = 5

control

5x - 2 = 4w + 3

5×5 - 2 = 4×5 + 3

23 = 23

correct.

for the second

5x = 4x + 3

x = 3

control

5×3 - 2 = 3×3 + 10

15 - 2 = 9 + 10

13 = 19

no, not a valid solution.

so, x = 5

5 0
2 years ago
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