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3 years ago

Please help because no one been answering my questions

Mathematics

1 answer:

never [62]3 years ago

5 0

Answer:

$BC = 8 \sqrt{2}$

Step-by-step explanation:

$\sin(45) = \frac{opposite}{hypotenuse}$

$\sin(45) = \frac{8}{BC}$

$(BC) \sin(45) = \frac{8}{x} (BC)$

$(BC) \sin(45) = 8$

$\frac{(BC) \sin(45) }{ \sin(45) } = \frac{8}{ \sin(45) }$

$BC = \frac{8}{ \sin(45) }$

$BC = 8 \sqrt{2}$

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A machine packs at a constant rate of 2/3 of a box every 1/2 minuet. What’s is the number of boxes per minute that’s the machine

lions [1.4K]

For this case what we can do is the following rule of three:
2/3 of a box ------> 1/2 minutes
x of a box ---------> 1 minute
Clearing x we have:
x = (1 / (1/2)) * (2/3)
Rewriting:
x = 2 * (2/3)
x = 4/3
Answer:
the number of boxes per minute that the machine packs is:
x = 4/3

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3 years ago

Amanda is cooking a turkey for dinner the recipe says that's the turkey should cook for 1 1/2 hours she has been cooking the tur

miss Akunina [59]

60 minutes per hour

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3 years ago

I need help determining how many roots

statuscvo [17]

By graphing the polynomial, we conclude that there is only one real root, so the correct option is A.

<h3>How many roots has the given polynomial?</h3>

We have the polynomial:

$y = -3x^2 + 12x - 12$

To see how many real roots this polynomial has, we can graph it and see how many times the graph intercepts the x-axis.

The graph can be seen below:

There we can see that there is only one intercept, so there is only one real root.

So the correct option is A.

If you want to learn more about polynomials:

brainly.com/question/4142886

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1 year ago

If 8x + 6y = 24, what is y in terms of x ?

USPshnik [31]

Step-by-step explanation:

8x+6y=24

6y=24-8x

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2 years ago

9 tickets to a theme park cost £243, how much would 7 tickets cost

VARVARA [1.3K]

Answer:

£189

Step-by-step explanation:

Divide the cost by 9 to find the cost of 1 ticket, then multiply this by 7

cost of 1 ticket = £243 ÷ 9 = £27

cost of 7 tickets = 7 × £27 = £189

7 0

3 years ago