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kogti [31]
2 years ago
13

What is the answer to 0.7 × 9​

Mathematics
2 answers:
EastWind [94]2 years ago
8 0

Answer:

6.3

Step-by-step explanation:

Because you use a cacluator.

blondinia [14]2 years ago
6 0

Answer:

\boxed{6,3}

Step-by-step explanation:

0,7 \times 9

= \frac{7}{10} \times 9

= \frac{63}{10}

= 6,3

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For all values of x
Yuliya22 [10]

Answer:

A.) gf(x) = 3x^2 + 12x + 9

B.) g'(x) = 2

Step-by-step explanation:

A.) The two given functions are:

f(x) = (x + 2)^2 and g(x) = 3(x - 1)

Open the bracket of the two functions

f(x) = (x + 2)^2

f(x) = x^2 + 2x + 2x + 4

f(x) = x^2 + 4x + 4

and

g(x) = 3(x - 1)

g(x) = 3x - 3

To find gf(x), substitute f(x) for x in g(x)

gf(x) = 3( x^2 + 4x + 4 ) - 3

gf(x) = 3x^2 + 12x + 12 - 3

gf(x) = 3x^2 + 12x + 9

Where

a = 3, b = 12, c = 9

B.) To find g '(12), you must first find the inverse function of g(x) that is g'(x)

To find g'(x), let g(x) be equal to y. Then, interchange y and x for each other and make y the subject of formula

Y = 3x + 3

X = 3y + 3

Make y the subject of formula

3y = x - 3

Y = x/3 - 3/3

Y = x/3 - 1

Therefore, g'(x) = x/3 - 1

For g'(12), substitute 12 for x in g' (x)

g'(x) = 12/4 - 1

g'(x) = 3 - 1

g'(x) = 2.

5 0
2 years ago
A $310 suit is marked down by 10%. Find the sales price.
Angelina_Jolie [31]

Answer:

The sale price is $279.

Step-by-step explanation:

$310-10%=$279

4 0
3 years ago
How do I solve for g. 3g = W
saw5 [17]

Answer:

G=3/W

Step-by-step explanation:

Solve for g by dividing both sides by 3. So you get g=W/3.

4 0
3 years ago
I need to solve the equation for z
Greeley [361]
I think this is how you do it...

7 0
3 years ago
Read 2 more answers
You are making flour and water paste. You add 14 cup of water to the paste. Your friend adds 12 cup of water to the paste. How m
patriot [66]

Answer:

<h2><u>26</u></h2>

Step-by-step explanation:

              14

            +

              12

            --------

              26

8 0
3 years ago
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