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3 years ago

Ms. Day drew a rectangle

Mathematics

2 answers:

Mrac [35]3 years ago

5 0

1778 centimetres. Hope this helps!

Ksju [112]3 years ago

4 0

Answer:

700

Step-by-step explanation:

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the speed of sound at sea level is 340 m/s. alan is standing 255m from his friend, paul. if alan shouts to paul how long willi i

Bad White [126]

Answer: 0.75 seconds

Step-by-step explanation:

meters divided by meters per second gives seconds.

255m / (340m/s) = 0.75 seconds

5 0

4 years ago

Read 2 more answers

Please help me with this

Marianna [84]

Group the like terms that you see in the formula

7 0

3 years ago

Read 2 more answers

-3|r+4|=-21 need help for a friend

KonstantinChe [14]

Ans given below

-3r-12=-21
-3r=-21+12
-3r=-9
r=-9\-3
r=3

4 0

3 years ago

What is the value of x in the linear inequality? -3(4x-8.2) < -11.98x + 14 3/4

Dmitrij [34]

-3(4x-8.2) < -11.98x + 14 3/4

Expand by using distributive property

-12x + 24.6 < -11.98x + 14.75

Subtract 24.6 from both sides

-12x < -11.98x - 9.85

Add both sides by -11.98x

-0.02x < - 9.85

Divide both sides by -0.02 (sign will be flipped)

x > 492.5

Hope it helps.

8 0

3 years ago

URGENT! Can someone please help me?

katovenus [111]

Answer:

An equation of the circle with centre (5,7) and radius 2 is $\mathbf{(x-5)^2+(x-7)^2=4}$

Option A is correct.

Step-by-step explanation:

A circle in the xy-plane has centre (5,7) and radius 2. Which of the following is an equation of the circle.

The equation of circle is of form: $(x-h)^2+(x-k)^2=r^2$ where (h,k) is centre and r is radius.

We have centre (5,7) so, we have h = 5 and k = 7

We have radius = 2 so, r = 2

Putting values in the equation and finding the required equation:

$(x-h)^2+(x-k)^2=r^2\\(x-5)^2+(x-7)^2=(2)^2\\(x-5)^2+(x-7)^2=4$

So, an equation of the circle with centre (5,7) and radius 2 is $\mathbf{(x-5)^2+(x-7)^2=4}$

Option A is correct.

3 0

3 years ago