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MAVERICK [17]
2 years ago
8

Need help ASAP !!!! Solve for y

Mathematics
1 answer:
GarryVolchara [31]2 years ago
8 0

Answer:

y=8.94

Step-by-step explanation:

use the formula: a^2+b^2=c^2

64+y^2=144

y=\sqrt{80}

or y=8.94

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Ivan finished Four-fifths of his math homework problems and all 3 problems for his science homework before dinner. If he finishe
valentinak56 [21]

Answer:

Step-by-step explanation:

Since we know that Ivan finished all his science problems (3) we know that there are only math problems remaining

substract the science problems from the total 43-3=40

And now we can determine the amount of math problems

4/5 = 40/x where x is the total amount of math problems Ivan was assigned

cross multiply

4x = 5*40

4x=200

isolate the variable

4x/4 = 200/4

x=50

So Ivan was assigned a total of 50 math problems

(Note*) since there are 40 math problems finished 40/50 is equal to 4/5. Just a tip if you don't want to do the whole calculation

Hope this helps!

3 0
3 years ago
You have a trailer with the following dimensions. Height 125cm. Length 2.4m. Width 1.65m. How much cub sand will you be able to
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18.75m³ of sand

Step-by-step explanation:

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7 0
3 years ago
Someone Help me please
OLEGan [10]

Answer:

-1/2

Step-by-step explanation:

3 0
3 years ago
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KiRa [710]
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3 years ago
1. If a - b = 4 and a + b = 12, what is the<br> value of a?
Marta_Voda [28]
A=8

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^^^^^^^ ^^^^^^
8+4=12 8-4=4
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3 years ago
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