3 years ago

I honestly need help O.o

Mathematics

1 answer:

dimaraw [331]3 years ago

8 0

Answer:

Its b!!!!!!

Step-by-step explanation:

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Given f(x)=3x2−5x−2 .<br><br> What is the value of f(−23) ?

Sonja [21]

$f(x) = {3x}^{2} - 5x - 2 \\ f( - 23) = ... \\ f( - 23) \: means \: x = - 23 \\ so \: f( - 23) = {3( - 23)}^{2} - 5( - 23) - 2 \\ = 3(529) + 115 - 2 \\ = 1700$

3 0

3 years ago

Megan's dog eats 4 1/4 cups of food each day. Explain how Megan can determine how much food to give her dog if she only needs to

Alika [10]

Answer:

2 5/6

Step-by-step explanation:

So basically what you do is this:

(2/3) * (17/4) = 34/12 = 2 10/12 = 2 5/6

And so that’s how you get your answer.

Hope this helps!

If I made any mistakes, please let me know!

4 0

3 years ago

What is (1/3) with a small 2

diamong [38]

Answer:

1/9

Step-by-step explanation:

(1/3)^2

One third raised to the 2nd power

is 1/3 times 1/3

(1/3) * (1/3)

1/9

5 0

3 years ago

Read 2 more answers

6/5 B + g^2 = d <br> B = ?

Ber [7]

What kind of math is this

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3 years ago

The width of a rectangle painting is 3 in. more than twice the height. A frame that is 2.5 in. wide goes around the painting.

Black_prince [1.1K]

A.
$A=(2h+8)(h+5)$

b.
If h = 12
$A=(24+8)(12+5)=(32)(17)=544$

c.
If h = 15
$A=(30+8)(15+5)=(38)(20)=760$

5 0

3 years ago