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Pepsi [2]
3 years ago
15

1) A plane averaged 412 miles per hour on a trip that

Mathematics
2 answers:
nevsk [136]3 years ago
5 0
412 * 3.75 = 1545, The answer is 1545 miles
vekshin13 years ago
3 0
The answer is 1545 miles per hour
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In the figure, if m∠ABD = 120º, then m∠ADC = ___
Darya [45]
Okay first, use the sin rule (\frac{SinA}{a} =  \frac{SinB}{b}
so \frac{Sin120}{35} * 30 = SinB
sin^-1 this and you get 47.928....this is angle ADB
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4 0
3 years ago
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A landscape business charges $50 to deliver rocks. The cost of the rocks are $27 per cubic yard. write and solve a linear equati
Nuetrik [128]
<h2>Answer: 27x + 50 = y, $266</h2>

Step-by-step explanation:

First, let's form a linear equation that will help us find out how much that will cost.

Let's set x = the cubic yards of rocks delivered and y = total cost.

First, we know that the business charges 27 dollars for every x that you buy. That can be shown with a multiplication expression:

27x

Next, we know that the business charges a fixed fee of $50 for their services. This fee would be <em>added on</em> to the amount that they charge for the rocks that you buy.

<h2>27x + 50 = y</h2>

That's our linear expression! Next, we need to find out the <em>total cost</em>, y, when you need 8 cubic yards of rocks delivered, x.

To solve this, we need to substitute values for at least one of our variables.

Since 8 describes the cubic yards of rocks delivered, we can substitute 8 for x.

But we don't know y, the total cost- that's what we're solving for! In other words, we're solving for y.

Let's just substitute in what we know:

27(8) + 50 = y.

216 + 50 = y

<h2>y = 266</h2>

So, we know that it would cost $266 dollars to have 8 cubic yards of rocks delivered to a site.

By the way, you can also graph your linear equation to find the corresponding y-value to 8 as another way to solve your problem.

7 0
3 years ago
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First, you should solve for f(2x), which equals 2*(2x)=4x.  Now, solve the integral of f(2x)=2*(2x)=4x, to get that\int\ {(f(2x)=4x)} \, dx= 2x^2.  You can check this by taking the integral of what you got.  Now by the Fundamental Theorem\int\limits^2_0 {4x} \, dx=[2x^2] ^{2}_{0}=2(2)^{2}-2(0)^2=8.

This should be the answer to your question, if I understood what you were asking correctly. 
8 0
3 years ago
The area of a triangle is one half the base and times the height. If the area of the triangle is 16 square inches and the vase i
sergij07 [2.7K]

Step-by-step explanation:

so, yes, the area of a triangle is

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so, we have here

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2 years ago
PLEASE HELP!!! A group has at most $140 to spend on an event space. The inequality 15h + 40 140 represents the cost to rent the
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9514 1404 393

Answer:

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Step-by-step explanation:

The inequality is presumed to be ...

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__

The graph shows h ≥ 0, because the inequality is only reasonable for h ≥ 0.

3 0
2 years ago
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