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2 years ago

15

Someone help me with this ?

1 answer:

musickatia [10]2 years ago

5 0

$\dfrac a 2 = \dfrac b 3$

$\dfrac 3 2 = \dfrac b a$

Final answer: $\qquad \dfrac 3 2$

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PLEASE HELP! Given the function f(x) = 3x2 − 4, what is f(-2)?

EleoNora [17]

Answer: Variant C

Step-by-step explanation:

f(x) = 3x^2 − 4

For finding f(-2) just replace x with - 2 like this:

f(-2)=3*((-2))^2-4=3*4-4=12-4=8

5 0

3 years ago

A complete table with values for x or y that make this equation true:3x+y=15

Reika [66]

Answer:

Table is attached

Step-by-step explanation:

We are given equation as

$3x+y=15$

We will complete each column

First column:

we are given x=2 and we have to find y

$3\times 2+y=15$

$6+y=15$

$y=9$

Second column:

we are given y=3 and we have to find x

$3x+3=15$

$3x=12$

$x=4$

Third column:

we are given x=6 and we have to find y

$3\times 6+y=15$

$18+y=12$

$y=-6$

Fourth column:

we are given x=0 and we have to find y

$3\times 0+y=15$

$0+y=15$

$y=15$

Fifth column:

we are given x=3 and we have to find y

$3\times 3+y=15$

$9+y=15$

$y=6$

Sixth column:

we are given y=0 and we have to find x

$3x+0=15$

$3x=15$

$x=5$

Seventh column:

we are given y=8 and we have to find x

$3x+8=15$

$3x=7$

$x=\frac{7}{3}$

now, we can complete table

8 0

3 years ago

Translate the sentence into an equation. Six less than a number is 14.

BlackZzzverrR [31]

Less than is subtraction so your answer to "six less than a number is 14" would be

n-6=14

5 0

3 years ago

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Vadim26 [7]

271.

Hope this helped!

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2 years ago

How much is one taco shell if you have $2.99 divided by 20

hram777 [196]

Answer:

(about) $0.15 per taco shell

4 0

2 years ago

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