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3 years ago

Find the value of x so that the function has the given value. f(x)=8x+2;f(x)=8

Mathematics

2 answers:

sesenic [268]3 years ago

8 0

Elden [556K]3 years ago

8 0

0.75 is the answer as a value

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Please help me with this as well

Len [333]

Answer:

$y = \dfrac{3 + 6\sqrt{2}}{4} ~~~\textrm{and}~~~y = \dfrac{3 - 6\sqrt{2}}{4}$

Step-by-step explanation:

$(4y - 3)^2 = 72$

$4y - 3 = \pm\sqrt{72}$

$4y - 3 = \pm 6\sqrt{2}$

$4y = 3 \pm 6\sqrt{2}$

$y = \dfrac{3 + 6\sqrt{2}}{4}~~~\textrm{or}~~~y = \dfrac{3 - 6\sqrt{2}}{4}$

5 0

3 years ago

A bakery offered a coupon for its catering services. The cost before the coupon was $42.50, and the cost after the coupon was ap

zepelin [54]

Answer:

The answer of the function is y=x-5

4 0

3 years ago

How many times greater is the value of the fidget 2 in 234567 than the value of the digit 2 in 765432

Scilla [17]

Answer:

The value of 2 in the first digit is 100,000 times greater than the value of 2 in the second digit

Step-by-step explanation:

Firstly, we need to know the value of the 2 in 234,567 and that is 200,000

The value of the 2 in 765,432 is simply 2

So the number of times the value of the first 2 is greater than the value of the second 2 is;

200,000/2 = 100,000

So the value of 2 in the first digit is 100,000 times greater than the value of 2 in the second digit

6 0

4 years ago

Plz answer quick hurry plz

hodyreva [135]

Answer: x=12

Step-by-step explanation:

7 0

3 years ago

Evaluate the following expressions for x=2, y=3 and z=-2

Elden [556K]

$\text{Given that}~ x = 2,~ y = 3 ~ \text{and}~ z = -2\\\\\textbf{a)}\\\\2(x-y)=2(2-3) = 2(-1) = \boxed{-2}\\\\\textbf{b)}\\\\4x+3y-z = 4(2) +3(3) -(-2) = 8+9+2=\boxed{19}\\\\\textbf{c)}\\\\-2(3z+y) = -2[3(-2) +3] = -2(-6+3) = -2(-3) = \boxed{6}$

5 0

2 years ago