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Irina-Kira [14]

4 years ago

6

You need to write an equation to represent the situation. You can start by using the formula for distance, d=rt, where d is dist

ance, r is rate, and t is time. The rate that she travels without her sirens is ? miles per hour.

1 answer:

kupik [55]4 years ago

5 0

And it is! We drove 50<span> mph for </span>0.5<span> hours—and </span>50 ⋅ 0.5<span> equals </span>25<span>, which is our distance.</span>

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Find 0.45 of 80 A.36 B.3.6 C.0.36 D.0.036

andrew-mc [135]

A

the word 'of' means to multiply

0.45 × 80 = 36

8 0

3 years ago

What is the percent of change from 300,000 to 30,000

rusak2 [61]

Answer:

There is a 90% decrease

Step-by-step explanation:

(The upcoming and this sentence is pre-written and copy and pasted in every brainly question or comment I write or answer.) If this answer helped you please consider giving it brainliest. If my answer was wrong and you got marked wrong for it, I deeply apologize and hope you will forgive me, since everyone makes mistakes sometimes. If you need me to elaborate on my answer or give further explanation on it, please ask and I will do so. If you need to explain your reasoning on your work feel free to use my words- word for word- without crediting me, the answer was made for you anyways! Hope yall learn from my answer and it helps you in the future with assignments, quizzes, test’s, and more!

- •Trix•

( Yes I know my - •Trix• thingy is not my user but it’s what I would change it to if I could but I can't, please address me as Trix while commenting or talking to me here.)

3 0

3 years ago

Read 2 more answers

Which of the following illustrates a phase shift?

Natasha_Volkova [10]

<u>Answer:</u>

A. y = -2 - cos(x-π)

<u>Explanation:</u>

<u>The general form of the trig equation is:</u>

y = A sin (Bx + C) + D

where:

A is the amplitude

$\frac{2\pi}{B}$ is the period

$\frac{-C}{B}$ is the phase shift

D is the vertical shift

<u>Now, let's check the choices:</u>

<u>A. y = -2 - cos(x-π)</u>

$\frac{-C}{B} = \frac{\pi}{1} = \pi$

Therefore, the function has a phase shift of π

<u>B. y = 3 cos(4x)</u>

$\frac{-C}{B} = \frac{0}{4} = 0$

Therefore, the function has no phase shift

<u>C. y = tan(2x)</u>

$\frac{-C}{B} = \frac{0}{2} = 0$

Therefore, the function has no phase shift

<u>D. y = 1 + sin(x)</u>

$\frac{-C}{B} = \frac{0}{1} = 0$

Therefore, the function has no phase shift

<u>Based on the above,</u> the correct answer is A

Hope this helps :)

3 0

3 years ago

Read 2 more answers

Tomas drew a rectangular with an area of 6 square centimeters. What is the greatest possible perimeter for this rectangle

anzhelika [568]

There is no "greatest" possible perimeter.

There's a smallest possible perimeter. That's a square.
Since the area is 6 square centimeters, each side of the square is
√6 = about 2.45 cm, and the perimeter is about 9.8 cm (rounded).

But there's no 'greatest' perimeter. You can take that square
and if you're careful, you can make it into rectangles that all have
the same area ... 6 square cm ... but the longer and skinnier
you make it, the greater the perimeter will be.
You can give me a number as big as you want, and I can make
a rectangle with a perimeter of your number, but an area of only
6 square centimeters !

Here are some few examples. They all have
the same area, but different perimeters:

2.45 cm by 2.45 cm ...   Area = 6 square cm ... Perimeter = 9.8 cm

2 cm by 3 cm ... Area = 6 square cm ... Perimeter = 10 cm
1.5 cm by 4 cm ... Area = 6 square cm ... Perimeter = 11 cm
1.2 cm by 5 cm ...    Area = 6 square cm ... Perimeter = 12.4 cm
1 cm by 6 cm ... Area = 6 square cm ... Perimeter = 14 cm
0.8 cm by 7.5 cm ... Area = 6 square cm ... Perimeter = 16.6 cm
0.6 cm by 10 cm ...    Area = 6 square cm ... Perimeter = 21.2 cm
0.5 cm by 12 cm ...    Area = 6 square cm ... Perimeter = 25 cm
0.4 cm by 15 cm ...    Area = 6 square cm ... Perimeter = 30.8 cm
0.3 cm by 20 cm ...    Area = 6 square cm ... Perimeter = 40.6 cm
0.2 cm by 30 cm ...    Area = 6 square cm ... Perimeter = 60.4 cm
0.1 cm by 60 cm ...    Area = 6 square cm ... Perimeter = 120.2 cm

0.001cm by 6,000cm ... Area = 6 square cm ... Perimeter = 12,000.2 cm

8 0

4 years ago

WILL AWARD BRAINLIEST If the least value the variable k can be is 12, which of the following inequalities best shows all the pos

Scilla [17]

Answer:

D

Step-by-step explanation:

If the least it can be is 12, that means that with will have to be equal to 12

so mark out a and b

It also said the <u>least</u>, this means it can not be less than it.

Put these two together and you get D) k is greater than or equal to 12

4 0

3 years ago