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lana [24]
3 years ago
8

Can you help me with this question? You get 20 points if it is correct OLNY.

Mathematics
2 answers:
blsea [12.9K]3 years ago
8 0
1 mile=5280 feet, and 4 1/4 miles=4.25 miles, so:

1 mile:5280 ceei
4.25 miles:?
4.25×5280÷1=22440 feet. As a result, 4 1/4 miles equal 22440 feet. Hope it help!
insens350 [35]3 years ago
3 0
The answer is 22,440......4 miles is 21,120 feet....1/4 of a mile is 1,320 feet.... so when you add em up you get 22,440 feet
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( 3x + 2) + (4x - 3) + ( x + 7) = 86 what is x
svet-max [94.6K]

Answer:

x=10

Step-by-step explanation:

hope it helps

7 0
3 years ago
Consider the quadratic function f(x) = x2 – 5x + 12. Which statements are true about the function and its graph? Select three op
klasskru [66]

The graph of the quadratic function f(x)=x² - 5x + 12 is a parabola which opens up.

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

The standard form of a quadratic equation is:

y = ax² + bx + c

The graph of a quadratic equation is a parabola.

The graph of the quadratic function f(x)=x² - 5x + 12 is a parabola which opens up.

Find out more on equation at: brainly.com/question/2972832

#SPJ1

4 0
1 year ago
I don’t understand can someone please explain how to work this out and what the answer is
joja [24]

When you see an equation with parenthesis around it, you can use this:

Parenthesis

Exponents

Multiplication

Division

Addition

Subtraction

Otherwise known as PEMDAS.

We can see that in the equation, there are parenthesis, so we can open those. We open parenthesis by taking the number right next to the parenthesis (or outside the parenthesis) and we multiply that number by everything inside. So this is what it would look like:

-2x^2 - 10x + 8

See how the signs changed? This rule only applies when you multiply something, but here is how I think of it:

+ and + always equals +.

- and - always equals +.

- and + always equals -.

+ and - always equals -.

So that's it! Just to be clear, the answer is:

-2x^2 - 10x + 8

Hope I helped, sorry if I'm wrong!

`Mschmindy

4 0
3 years ago
If 9/a = 7/a², then a=?
Jobisdone [24]

Answer:

x = 7/9

Step-by-step explanation:

5 0
3 years ago
What is the square root of -1?
lora16 [44]

Answer:

i

Step-by-step explanation:

i means imaginary because whatever you try you can't get a number which squared gets a negative number.

4 0
3 years ago
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