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Inga [223]
3 years ago
11

Can someone answer theese 3 questions.

Mathematics
1 answer:
NNADVOKAT [17]3 years ago
7 0

Answer:

1.) A

2.) D

3.) A

Step-by-step explanation:

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Charles can ride his bike 4 miles in 20 minutes. Which of the following ratios show the number of miles to minutes Charles can r
SIZIF [17.4K]

Answer:

D.) 1:5

Step-by-step explanation:

The reason why it's D is because when you simplify the original ration, 4:20, you get the simplified answer of 1:5. When you divide each side by 4, you get the ratio of 1:5.

So, D.) 1:5

Hope this helped!

Stay safe and have a wonderful day/night!

<em>Your friend Bella was here :)</em>

4 0
3 years ago
Read 2 more answers
Which number is the solution of n/3= -12?<br><br> A: -36 <br> B: -4<br> C: 4<br> D: 36
faust18 [17]
N/3= -12.
You want to get "N" by itself. On one side of the equation, with no other number. To do this, we do the opposite of what we have next to the letter "N"
In this case, N is being divided by 3, and the opposite of dividing is multiplying.
So you need to multiply both sides by 3.
The 3's on the left side cancel out, leaving N by itself.
Now you have N= -12 * 3
-12 * 3 = -36

So N = -36
8 0
3 years ago
The volume of a pyramid that fits exactly inside a cube is 49 cubic feet. what is the volume of the cube?
8090 [49]
The volume of a pyramid is 1/3 the volume of the cube mentioned in the question since it fits exactly inside it. So multiply 49*3 = 147 cubic feet
6 0
3 years ago
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Find the y-intercept of the function: f(×)=(×+10)/(×-5)​
ArbitrLikvidat [17]

Answer:

(-10,0)

Step-by-step explanation:

Hello

this is (-10,0) point

because f(-10)=0

hope this helps

4 0
4 years ago
Read 2 more answers
Find the demand function for the marginal revenue function. Recall that if no items are​ sold, the revenue is 0.
Pepsi [2]

The integral that is needed to solve the demand function is R(x) = 599x - 0.14x^{3/2}

<h3>What is Demand Function?</h3>

A demand function describes the mathematical relationship between the quantity demanded and one or more determinants of the demand, as the price of the good or service, the price of complementary and substitute goods, disposable income, etc.

Here, given differential equation;

R'(x) = 599 - 0.21\sqrt{x}

we can also write this as;

\frac{d}{dx}R(x) = 599 - 0.21\sqrt{x}

d R(x) = (599 - 0.21\sqrt{x} ) dx

On integrating both sides, we get

\int\ d R(x) = \int\ (599 - 0.21\sqrt{x} ) dx

R(x) = 599x - 0.21 X \frac{2}{3}x^{3/2} + C

R(x) = 599x - 0.14x^{3/2} + C       ...........(i)

Also given, at x = 0, R(x) = 0, Put these values in equation (i), we get

0 = 0 - 0 + C

C = 0

Put the value of C in equation (i), we get

R(x) = 599x - 0.14x^{3/2}

Thus, the integral that is needed to solve the demand function is R(x) = 599x - 0.14x^{3/2}

Learn more about Demand Function from:

brainly.com/question/20564722

#SPJ1

7 0
2 years ago
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