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Bogdan [553]
3 years ago
14

A circle with a radius of 1 unit and center C at (-2, 1) is reflected across the x-axis. What are the coordinates of C?

Mathematics
2 answers:
Andrei [34K]3 years ago
7 0
The answer is B.

Step by step
Inessa [10]3 years ago
3 0

Answer: b

Step-by-step explanation:

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sydney is cutting the crust from the edges of her sandwich. the dimensions, in centimeters, of the sandwich is shown. which expr
hodyreva [135]

Here we can see that the problem gives us the length of a sandwich of x = 1.2. The problem also asks us for the expression that better represents the approximate length of the crust given among the options above. Here we simply have to substitute x to each of the choices.


The answer is B) x = 8x² + 34; 45.52 centemiters


I hope it helps, Regards.

6 0
3 years ago
Read 2 more answers
Factoring Quadratic Trinomials 6n^2 - n - 40 =
Sophie [7]

Answer:

(3n - 8)(2n + 5)

Step-by-step explanation:

6n² - n - 40

Consider the factors of the product of the coefficient of the n² term and the constant term which sum to give the coefficient of the n- term

product = 6 × - 40 = - 240 and sum = - 1

The factors are - 16 and + 15

Use these factors to split the n- term

6n² - 16n + 15n - 40 ( factor the first/second and third/fourth terms )

2n(3n - 8) + 5(3n - 8) ← factor out (3n - 8) from each term

(3n - 8)(2n + 5)

Then

6n² - n - 40 = (3n - 8)(2n + 5)

6 0
3 years ago
Tracy is filling the box with unit cubes that are 1 inch on each side. She will fill the box with cubes without any gaps or over
balu736 [363]

Answer:

Volume = 48in^3

Step-by-step explanation:

Given

See attachment for box

Required

The volume of the box

The number of boxes in each direction represents the length of that dimension.

So, from the attachment

Width = 4in

Length = 3in

Height = 4in

The volume is:

Volume = Length * Width * Height

Volume = 4in * 3in * 4in

Volume = 48in^3

5 0
3 years ago
The cost price of 16 notebooks is equal to the selling price of 12 notebooks.Find the gain per cent.
madam [21]

Answer:

Step-by-step explanation:

5 0
3 years ago
Prove that 1+cosA/sinA + sinA/1+cosA=2cosecA
Alla [95]
\frac{1+cos\alpha}{sin\alpha}+\frac{sin\alpha}{1+cos\alpha}=2cosec\alpha\\\\L=\frac{(1+cos\alpha)(1+cos\alpha)+sin\alpha\cdot sin\alpha}{sin\alpha(1+cos\alpha)}=\frac{1+2cos\alpha+cos^2\alpha+sin^2\alpha}{sin\alpha(1+cos\alpha)}\\\\=\frac{1+2cos\alpha+1}{sin\alpha(1+cos\alpha)}=\frac{2+2cos\alpha}{sin\alpha(1+cos\alpha)}=\frac{2(1+cos\alpha)}{sin\alpha(1+cos\alpha)}\\\\=\frac{2}{sin\alpha}=2\cdot\frac{1}{sin\alpha}=2cosec\alpha=R
5 0
3 years ago
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