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Vera_Pavlovna [14]
3 years ago
10

If f (x) = 3(x+5) +-, what is f(a+ 2)?

Mathematics
1 answer:
Anastaziya [24]3 years ago
3 0

Answer:

b

Step-by-step explanation:

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Sovle: 10 -2x = -30 <br> Please use subsitution <br> Show your steps to solve the equation
Margaret [11]
10 - 2x = -30
-2x = -40
2x = 40
x = 20
7 0
3 years ago
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The length and width of a rectangle is (x + 5) and x, respectively.
iris [78.8K]

Answer:

the lenght of the rectangle is five more than the width

4 0
3 years ago
What is the constant of variation for the quadratic variation? 0.1y = 3x2
svet-max [94.6K]

Answer:

The constant of variation for the given quadratic equation is, 30

Step-by-step explanation:

One of the form of a quadratic equation is written as:

y = kx^2     ....[1]

where k is the coefficient and for this case the constant of variation.

In order to obtain the answer for the given equation, we write the given equation to the form above.

0.1y=3x^2  or

y=(\frac{3}{0.1})x^2 or

y=30x^2

Comparing this equation with equation [1], to get the value of k;

k=30.

therefore, the  constant of variation is, 30.

6 0
3 years ago
Alberta has 5 shirts and 4 pants. 3 of the shirts are her favorite and 2 of the pants are her favorite. If Alberta chooses an ou
tiny-mole [99]

Answer:

\frac{3}{10}

Step-by-step explanation:

In probability, "AND" means "multiplication" and

"OR" means "addition".

We want the probability that she picks FAVORITE SHIRT "AND" FAVORITE PANT.

Probability that she picks favorite shirt = 3/5

Probability that she picks favorite pants = 2/4 = 1/2

Since, "AND", we "multiply" both to get:

3/5 * 1/2 = 3/10

5 0
3 years ago
a number cube with sides labeled 1-6 is rolled 2 times and the sum of the numbers that end face up is calculated. what is the pr
dybincka [34]
<span>Success patterns: 1/6 ; 2/5 ; 3/4 ; 4/3 ; 5/2 ; 6/1
P(sum = 6) = 6/36 = 1/6</span>
8 0
3 years ago
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