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3 years ago

Given the following function, find f(-4), f(0), and f(3).

2 answers:

8 0

You plug in the given value for x.

F(-4)=(-4)2-4
F(-4)=-8-4
F(-4)=-12

F(0)=(0)2-4
F(0)=0-4
F(0)=-4

F(3)=(3)2-4
F(3)=6-4
F(3)=2

Rudiy273 years ago

3 0

F(-4)= (-4)2-4
the answer is -12

f(0)=(0)2-4
the answer is -4

f(3)=(3)2-4
the answer is 2

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A student correctly answered 35 of the 40 questions on a mathematics exam. What percent did she answer correctly?

GrogVix [38]

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87.5%

Step-by-step explanation:

To find a percentage of questions correct divide the number of correct answers by the total number of questions and then multiply that by 100.

(35/40)100=87.5

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2 years ago

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2 years ago

I'm stuck. what do i do next??

Aneli [31]

Here is your solution,
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3 years ago

Find the value of x in the parallelogram below.

vazorg [7]

Answer:

x=106 degrees

Step-by-step explanation:

The two opposite angles in a parallelogram are always the same and we know 360 degrees in a parallelogram.

x+x+74+74=360.

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3 years ago

only worry about the grocery store question not what’s around it. i need this by friday so anyone who can help soon please answe

Alja [10]

Answer:

<h2>3 3/4 Crates of Oranges</h2>

Step-by-step explanation:

We use a proportion to solve this. There are many steps involved, so I'll put each one separate, so you can easily follow.

<h3>Step 1: Set Up a Proportion</h3>

$\frac{0.5}{2.5} = \frac{0.75}{x}$

<h3>Step 2: Cross-Multiply</h3>

$\frac{1}{2}x = \frac{3}{4} * 2\frac{1}{2} \\\frac{1}{2}x = 1\frac{7}{8} \\$

<h3>Step 3: Isolate x</h3>

$1\frac{7}{8} * 2 = 3\frac{3}{4}$

$x = 3\frac{3}{4}$

<h3>Step 4: Check</h3>

$\frac{0.5}{2.5} = \frac{0.75}{3.75}$

$\frac{1}{2} * 3\frac{3}{4} = \frac{3}{4} * 2\frac{1}{2}$

$1\frac{7}{8} = 1\frac{7}{8}$ ✔

<h3>Step 5: Answer</h3>

3 3/4 crates of oranges

I'm always happy to help :)

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2 years ago