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3 years ago

If f(x) =(1/7)(7x)what is (3)? ?

Mathematics

1 answer:

Paladinen [302]3 years ago

5 0

Answer:

f(3) = 3

Step-by-step explanation:

f(x) = (1/7)(7x)

f(3) = (1/7)(7×3)

f(3) = (1/7)(21)

f(3) = 3

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Solve the system by graphing. 3x+8y=16 3x+8y=-64

Gnesinka [82]

-3x-y=10

4x-4y=8

or

y = -3x - 10

P(0,-10) and P(-2, -4) on this line: Plot and connect with the Line.

y = x - 2

P(0, -2) and (2,0) on this line: Plot and connect with the Line.

P(-2,-4) is the ordered pair that is the solution for this system of EQs

On may CHECK by substituting x= -2 and y = -4 into the EQs of these Lines

Hope this helps!!!

7 0

3 years ago

Can you help me please

STALIN [3.7K]

Answer:

Step-by-step explanation:

Here we a given a rule

It say

$x(y$ ÷ $3)^2$

And we are given the values of x and y as

x=4 and y = 9

Let us replace them in the rule we are provided with

$4(9$ ÷ $3)^2$

Applying DMAS rule, which says, first Division ollowed by Multiplication addition and then subtraction .

We first divide 9 by 3

9÷3 = 3

Hence

$4(9$ ÷ $3)^2 = 4(3)^2$

Now we square first

$3^2 = 3 \times 3 = 9$

$4(3)^2 = 4 \times 9$

$4(3)^2 = 36$

Hence our final answer will be 36

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4 years ago

M N. M (8x+17) (12x-39)

Tanzania [10]

Answer:

96x^2 - 108 - 663

Step-by-step explanation:

(8x + 17)(12x - 39)

96x^2 - 312x + 204x -663

96x^2 - 108 - 663

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3 years ago

An analysis was done to predict log(price) of homes in Gainesville during Spring 2019 based on number of beds and baths along wi

Alisiya [41]

Answer:

Since coefficient for northwest is - 66.21,

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3 years ago

Evaluate the expression using the given value of the variable. 4 – 2x + 5x when x = 4 16 –24 –18 28

Snowcat [4.5K]

Answer:

A) 16

Step-by-step explanation:

The question is:

Evaluate the expression using the given value of the variable.

$4-2x+5x$ when $x = 4$

A) 16

B) -24

C) -18

D) 28

Solution:

Given expression:

$4-2x +5x$

Plugging in $x = 4$ in the expression

⇒ $4-2(4)+5(4)$

⇒ $4-8+20$

⇒ $16$

So the expression evaluates to 16 when we put $x = 4$

3 0

3 years ago