3 years ago

Is this a function? PLEASE THIS IS URGENT!!!!

Mathematics

1 answer:

trapecia [35]3 years ago

6 0

Answer:

Step-by-step explanation:

A function only gives ONE output but that right there gives two!

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If x = 4 and y = 7, evaluate the - following expression: 20 +2(3y - 4x)

Andrei [34K]

Answer:

Step-by-step explanation:

20+2(3*7 - 4*4)

20+2(21-16)

20+2*5

20+10

8 0

2 years ago

Read 2 more answers

Please help with number 6 ASAP I will mark branlist

DerKrebs [107]

Answer:

<h2>12</h2><h2>Step-by-step explanation:</h2>

$4\sqrt{9}\\\\\mathrm{Factor\:the\:number:\:}\:9=3^2\\=4\sqrt{3^2}\\\\\mathrm{Apply\:radical\:rule}:\quad \sqrt{a^2}=a,\:\quad \:a\ge 0\\\sqrt{3^2}=3\\\\=4\times\:3\\\\=12$

5 0

3 years ago

Whats the answer? A, B, C, or D?

Firdavs [7]

The answer is the second choice.

P (pounds) = 5D (Dollars)

Hope this might help!

3 0

3 years ago

If the original length was 20 feet and the scaled length is 5 feet, what is the scale factor?

xenn [34]

1 to 4

Step-by-step explanation:

4 0

3 years ago

I need help with this

Andre45 [30]

Answer:

3 pairs for the price of two.

Step-by-step explanation:

$10 per pair

3 x 2

then:

3 pairs costs $20

20/3 = $6.6667 each pair

Buy one and get 25% of the second

25% = 25/100 = 0.25

then:

first pair $10

second pair: 10 - (10*0.25) = 10 - 2.5 = $7.5

first + second pair = 10 + 7.5 = 17.5

2 pairs costs $17.5

17.5/2 = $8.75 each pair

then:

the best deal:

3 pairs for the price of two.

4 0

2 years ago