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FrozenT [24]
2 years ago
6

Steph scores 200 points in 6 games. what is the unit rate.

Mathematics
1 answer:
Alchen [17]2 years ago
6 0

Answer:

About 33.333333333

Step-by-step explanation:

Unit rate is how many points he scored each game if he scored the same amount each game. To figure this out you do 200/6 which is 33.3333333333333333. You can round that to just 33 points if you want.

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Kaelyn has some yarn that she wants to use to make hats and scarves. Each hat uses 0.20.20, point, 2 kilograms of yarn and each
natita [175]

Answer:A

Step-by-step explanation:

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3 years ago
Evaluate the following expression: 2(1,1) -4(0,1). enter your answer as a vector.
wolverine [178]

Answer:

The answer is (2,-2)

You just distribute the 2 into (1,1) and same with the -4 into (0,1) and add them together ‍

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Evaluate the given integral by making an appropriate change of variables, where R is the region in the first quadrant bounded by
Whitepunk [10]

\displaystyle\iint_R\sin(384x^2+486y^2)\,\mathrm dA

Notice that Given that R is an ellipse, consider a conversion to polar coordinates:

\begin{cases}x(r,\theta)=\frac r8\cos\theta\\y(r,\theta)=\frac r9\sin\theta\end{cases}

The Jacobian for this transformation is

J=\begin{bmatrix}\frac18\cos\theta&-\frac r8\sin\theta\\\frac19\sin\theta&\frac r9\cos t\end{bmatrix}

with determinant \det J=\frac r{72}

Then the integral in polar coordinates is

\displaystyle\frac1{72}\int_0^{\pi/2}\int_0^1\sin(6r^2\cos^2t+6r^2\sin^2t)r\,\mathrm dr\,\mathrm d\theta=\int_0^{\pi/2}\int_0^1r\sin(6r^2)\,\mathrm dr\,\mathrm d\theta=\boxed{\frac{\pi\sin^23}{864}}

where you can evaluate the remaining integral by substituting s=6r^2 and \mathrm ds=12r\,\mathrm dr.

5 0
3 years ago
Jocelyn said that the triangle below is not a right triangle. Her work is shown below. Explain what she did wrong and show Jocel
AfilCa [17]

Complete Question:

Jocelyn said that the triangle below is not a right triangle. Her work is shown below. Explain what she did wrong, and show Jocelyn the correct solution.

We need to check if 27² + 45² = 36² is a true statement. The left side of the equation is equal to 2,754. The right side of the equation is equal to 1,296. That means 272 + 452 = 362 is not true, and the triangle shown is not a right triangle

Answer/Step-by-step explanation:

Jocelyn used a wrong equation and statement.

Here's what she should have stated and done.

Using the converse of Pythagorean Theorem, which says that a triangle with sides a, b, and c is a right triangle if it satisfy the statement: a² + b² = c².

Where, c is the hypotenuse which is the longest leg. While a and b are the side lengths of the other two legs.

Therefore, in this case,

c = 45

b = 27

a = 36

Thus, what we need to check to be true would be:

36² + 27² = 45² (this is where Jocelyn made a mistake. Jocelyn wrote 27² + 45² = 36² rather)

Let's check if it's true.

2,025 = 2,025 (this is true)

Therefore, the triangle is a right triangle.

8 0
2 years ago
What is the answer for 14x divided by 7x
Neporo4naja [7]

Answer:

2x

Step-by-step explanation:

You're dividing 14 multiplied by a number by 7 multiplied by a number. So you'd get 2 multiplied by a number.

8 0
3 years ago
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