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3 years ago

Choose the function whose graph is given by

Mathematics

2 answers:

Whitepunk [10]3 years ago

5 0

Answer:

Step-by-step explanation:

I plugged each equation into a graphing calculator and compared them to see which one matched the one in the picture.

sdas [7]3 years ago

3 0

Answer:

uhhhh

Step-by-step explanation:

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models the cost, in dollars, of a rug with width x feet. What is the cost of a rug that is 9 feet wide?

meriva

we are given

cost function as

$f(x)=2.15(2x^2-4x-6)$

we can plug x=9

and we get

$f(9)=2.15(2(9)^2-4*9-6)$

we can simplify it

and we get

$f(9)=258$ ...........Answer

5 0

3 years ago

Read 2 more answers

Flaky pastry can be made using flour and fat in the ratio 4 : 3. Jake makes some flaky pastry using 90 grams of fat. What weight

lubasha [3.4K]

Answer:

He use 120 grams of flour.

Step-by-step explanation:

Given:

Flaky pastry can be made using flour and fat in the ratio 4 : 3. Jake makes some flaky pastry using 90 grams of fat.

Now, to find the weight of flour he use in making flaky pastry.

Let the weight of flour be $x.$

Weight of fat = 90 grams.

The ratio of flour and fat used in making flaky pastry is 4 : 3.

As, 4 is equivalent to 3.

Thus, $x$ is equivalent to 90.

Now, to solve using cross multiplication method:

$\frac{4}{3} =\frac{x}{90} \\\\By\ cross\ multiplying\ we\ get:\\\\360=3x\\\\Dividing\ both\ sides\ by\ 3\ we\ get:\\\\120=x\\\\x=120\ grams.$

Therefore, he use 120 grams of flour.

4 0

3 years ago

Jonah and his friends went to the movie theater. He bought a movie ticket, and he split the cost of a giant popcorn with his fri

Rina8888 [55]

11 15 15/x

Jonah spent the cost of a movie ticket and split the cost of popcorn, so this needs to be represented by a " + ". Jonah just buy one piece tickets, so 11 is tickets price. We know Jonah's costs represented by the expression 11+15/x, "x" on behalf of the number of he and his friends, so 15 is the price of popcprn. 15/x means one person's money for the poopcorn, including Jonah.

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3 years ago

Marge earned money for helping a local business. She spent 1/2 of the money on her phone, and the remaining 1/2 on a gift. She h

trasher [3.6K]

Answer:

Marge has earned $60.

Step-by-step explanation:

Let the total money she earned be x.

Money spent o the phone = $\frac{1}{2}x=0.5x$