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Firlakuza [10]
3 years ago
7

Which relation is a function?

Mathematics
1 answer:
lora16 [44]3 years ago
3 0

Answer:

Choice A.

Step-by-step explanation:

Every other choice has multiple of the same x-values that have different corresponding y-values.

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jack and josh shared some sweets in the ratio 4:7 josh got 18 more sweets than jack how many sweets were there in total
Nata [24]

Answer:

66 sweets

Step-by-step explanation:

Step one:

We are told that the ratio for sharing the sweet is 4:7

that is Jack takes 4 parts and Josh takes 7 paths

If Josh got 18 more

then Let the amount that Jack got be x

so that Josh got x+18

step two:

applying the part to part method, we can find the quantity each of them go

4/7= x/x+18

cross multiply

7x= 4x+72

collect like terms

7x-4x= 72

3x=72

divide both sides by 3

x= 72/3

x= 24

so  Jack got 24 sweets

and Josh got 24+18=42 sweets

in all the sweets = 66 sweets

7 0
3 years ago
Look at the sequence : 5, -10, 20, -40, 80
Sphinxa [80]

Answer:

5 (5x1) , -10 -(5x2), 20(10x2), -40 -(20x2), 80(40x2)

so the next number should be previous number in the sequence multiplied by 2 and a negative sign.

-`(80x2) = -160


7 0
4 years ago
Read 2 more answers
What is the property of 2x32x5=2x5x32=
a_sh-v [17]
It would be communitive property
5 0
3 years ago
In order to estimate the height of a building, two students stand at a certain distance from the building at street level. from
enyata [817]
Let h represent the height of the building. Then the difference between the two angle measurement locations is
.. h/tan(39°) -h/tan(50°) = 300 ft
.. h = (300 ft)/(1/tan(39°) -1/tan(50°))
.. h ≈ 758 ft

The height of the building is about 758 feet.
4 0
3 years ago
How many times does 144 go into 540
Ber [7]
3.75 you need to divide 540 by 144 to get the answer

4 0
3 years ago
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