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2 years ago

Function g is define by g(x) = 3(x+8). What is the value of g(12)

1 answer:

5 0

When given a function and asked to find the value of a number, in this case g(12), simply plug 12 into all x places in the equation:

g(12)=3(12+8)

g(12)=36+24

g(12)=60

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3x2=7 5x4=23 7x6=47 9x8=79 10x9=?

Mashcka [7]

$(a\times b) = (a\times b) +(b -1) = c \\ \\ 3 \times 2 = (3\times 2) +(2-1) = 6 +1=7 \\ \\ 5 \times 4 = (5\times 4) +(4-1) = 20 +3=23 \\ \\ 7 \times 6 = (7\times 6) +(6-1) = 42 +5=47 \\ \\ 9 \times 8= (9\times 8) +(8-1) = 72 +7=79 \\ \\ \\ \\ 10 \times 9 = (10\times 9) +(9-1) = 90 +8=\boxed {\bf{98}}\\\sf {10\times 9 = \boxed{\bf {98}}}$

3 0

2 years ago

How can I solve ¾ - (-5/12)?

Oksana_A [137]

Answer:

$1 \frac{1}{6}$

Step-by-step explanation:

$\frac{3}{4}+ \frac{5}{12} =?\\$

The fractions have unlike denominators. First, find the Least Common Denominator and rewrite the fractions with the common denominator.

$(\frac{3}{4}$ × $\frac{3}{3} )$ + $(\frac{5}{12}$ × $\frac{1}{1})=?$

Complete the multiplication and the equation becomes

$\frac{9}{12} + \frac{5}{12}$

The two fractions now have like denominators so you can add the numerators.

$\frac{9+5}{12} = \frac{14}{12}$

This fraction can be reduced by dividing both the numerator and denominator by the Greatest Common Factor of 14 and 12 using

GCF(14,12) = 2

14÷2 / 12÷2 =7/6

The fraction

7/6

is the same as

7÷6

Convert to a mixed number using

long division for 7 ÷ 6 = 1R1, so

7/6= $1 \frac{1}{6}$

Therefore:

3/4 − (−5/12) = $1 \frac{1}{6}$

Solution by Formulas

Apply the fractions formula for subtraction, to

3/4 − (−5/12)

and solve

(3×12) − (−5×4) 4×12

=3/6− (−20/48)

=56/48

Reduce by dividing both the numerator and denominator by the Greatest Common Factor GCF( 56,48) = 8

56÷8 / 48÷8 =7/6

Convert to a mixed number using

long division for 7 ÷ 6 = 1R1, so

7/6= $1 \frac{1}{6}$

Therefore:

3/4 − (-5/12) = $1 \frac{1}{6}$

8 0

8 months ago

Please help me I’m currently failing this class ills really appreciate it

Ganezh [65]

Answer:

Question 1:

(3)

x 3 5 7 9

f(x) 2 4 2 4

Question 2:

(2) whole numbers

Step-by-step explanation:

In a function, each x-value must only have 1 y-value, but a y-value can have multiple x-values.

A whole number is any positive number that is not a fraction. You cannot have negative devices nor a fraction of a device.

3 0

1 year ago

a car traveling at 12/s slows down at a constant rate for 4 seconds until it stops. what is its acceleration

Mila [183]

Answer:

-3 units / s/s.

Step-by-step explanation:

Acceleration = change of velocity / time

= 0 - 12 / 4

= -3 units /s/s.

Note: negative acceleration = deceleration.

5 0

2 years ago

How can you understand porportions

BlackZzzverrR [31]

A proportion is a statement that two ratios are equal. A ratio is a comparison of two different quantities. "Miles per hour" is a ratio. "Dollars per pound" is a ratio. A proportion is that two of these things are equal.

For example, paying $2/pound for apples is the same as paying $6 for 3 pounds:

$\dfrac{\$2}{1 \text{ pound}} = \dfrac{\$6}{3 \text{ pounds}}$

That's a portion.

When working with proportions in word problems, you start by setting up one ratio/fraction where you know all the information. You then set up the second one that's missing a piece of information, but you make sure to set it up using the same structure.

If your first ratio is "miles over hours," then the next ratio has to have the same organization.

If your first ratio is "rise over run," then the next ratio has to have the same organization.

4 0

2 years ago