3 years ago

How many subjective functions are there from {1,2,3,4} to {1,2,3}

Mathematics

1 answer:

Ann [662]3 years ago

4 0

Answer:

IM ON THE SAME ONEEE let me know when you have it

Step-by-step explanation:

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Find the following angle measures. mEAD = ° mCAB = °

sergejj [24]

Part 1) Find m∠EAD

we know that

m∠EAD+m∠DAF+m∠BAF= $180\°$ ----> by supplementary angles

solve for m∠EAD

m∠EAD= $180\°$ -(m∠DAF+m∠BAF)

in this problem we have

m∠DAF= $90\°$

m∠BAF= $61\°$

substitute in the formula above

m∠EAD= $180\°-90\°-61\°=29\°$

therefore

the answer part 1) is

m∠EAD= $29\°$

Part 2) Find m∠CAB

we know that

m∠CAB+m∠BAF= $180\°$ --------> by supplementary angles

solve for m∠CAB

m∠CAB= $180\°$ -m∠BAF

in this problem we have

m∠BAF= $61\°$

substitute in the formula above

m∠CAB= $180\°-61\°=119\°$

therefore

the answer part 2) is

m∠CAB= $119\°$

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3 years ago

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Use the vertical method to multiply (4a^3 - 2a + 3a^2 + 1) (4a3−2a+3a2+1) and (3 - 2a + a^2). (3−2a+a2). What would be the value

SVETLANKA909090 [29]

CLOSSAL TITAN OF 3a-/a=3a

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What do I supposed to do ?

pentagon [3]

the have identical length so to know the length of each pipe you should divide 22.4 by 7

22.4 / 7 = 3.2

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3 years ago

In class 9A the ratio of boys to girls is 3:4. if there are 12 boys,how many girls are there?

Mamont248 [21]

16 girls. 12 divided by 4 is 3, so this means that you have to take 4 and multiply it by 4 which equals to 16.

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3 years ago

What is the height of this relation: h= -0.3d² + 1.2d + 1.5

marshall27 [118]

Answer:

h = -0.3d^2 + 1.2d + 1.5

Step-by-step explanation:

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