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2 years ago

Correct answer will have the brainliest answer look at the image pls.

Mathematics

1 answer:

Licemer1 [7]2 years ago

4 0

Answer:

2nd option

Step-by-step explanation:

A=wl=2.75·2.25=6.1875

2 1/4= 2.25

2 3/4= 2.75

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5 1/2 + 3 4/5 + 1 1/4 =

ratelena [41]

Answer:

$10\frac{11}{20}$

Step-by-step explanation:

$5\frac{1}{2} + 3\frac{4}{5} + 1\frac{1}{4}$

1.Find the LCM(Least Common Multiple).

That would be 20.

2.Multiply so all denominators are equal.

$5\frac{10}{20} + 3\frac{16}{20} + 1\frac{5}{20}$

3. Add

$9\frac{31}{20}$

4. Simplify

$10\frac{11}{20}$

6 0

1 year ago

Rewrite the following quadratic functions in intercept or factored form. Show your work.

Dmitry [639]

Answer:

f(x) = 3(x+2)(x-2)

Step-by-step explanation:

We are given the following the quadratic function and we are to rewrite it in intercept or factored form:

$f(x) = 3x^2 - 12$

We can factorize the given function so taking the common factors out of it to get:

$f(x)=3x^2 - 12$

$f(x) = 3 (x^2 - 4)$

The term $(x^2-4)$ is in the form $a^2-b^2$ so it can further be factorized to give:

$f(x) = 3 (x+2)(x-2)$

Therefore, the factored form of the given quadratic function is f(x) = 3(x+2)(x-2).

7 0

2 years ago

Read 2 more answers

Find y when x=9 if y varies directly as the square of x, and y=100 when x=5.

sukhopar [10]

If y varies directly as the square of x, that means that y=k*x^2. Plugging y=100 and x=5 into it, we get 100=k*5^2=k*25. Dividing by both sides, we get k=100/25=4. Going back to the original equation, we now know that y=4*x^2. Plugging 9=x in, we get 4*9^2=4*81=324=y

7 0

3 years ago

Read 2 more answers

Equivalent fractions using the LCD 7/10 and 2/5

hammer [34]

7/2,14/4,21/6,28/8,35/10,42/12,49/14,56/16,63/18,70/20

5 0

3 years ago

How many pounds of Brazilian coffee costing $ 6 per pound must be mixed with 27 lbs of Columbian coffee costing $ 4 per pound to

grigory [225]

Answer:

11 2/3 pounds.

Step-by-step explanation:

Let x pounds be the amount in pounds of Brazilian coffee.

x + 27 is the amount of coffee in lbs after the mixing.

So ,working in values of dollars, we have:

6x + 4*27 = 4.5(x + 27)

6x + 104 = 4.5x + 121.5

1.5x = 121.5 - 104 = 17.5

x = 17.5/1.5 = 11 2/3 pounds answer

8 0

2 years ago