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igomit [66]
3 years ago
10

Which speed is at the sound barrier plz tell meh will mark brainless

Mathematics
2 answers:
vovangra [49]3 years ago
7 0

Answer:

<em>343 metres per second </em>

<em>In dry air at 20 °C (68 °F), the speed of sound is 343 metres per second (about 767 mph, 1234 km/h or 1,125 ft/s).</em>

<em></em>

strojnjashka [21]3 years ago
7 0

Answer:

your answer is 343 mps. THIS IS 100% THE CORRECT ANSWER!

hope I helped! :)

Step-by-step explanation:

I got it correct on my quiz

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A carpenter bought bolts to finish a project. In all, the bolts weighed 3 pounds. There are 16 ounces in 1 pound. If each bolt w
8090 [49]
STEP 1
calculate total ounces

= 16 oz/lb * 3 lbs
= 48 ounces


STEP 2
calculate number of bolts; divide total weight (48 ounces) by ounces per bolt

x= number of bolts purchased


x= 48 ounces ÷ 1/15 oz per bolt

x= 48 ÷ 1/15
to divide by fraction; multiply by reciprocal of 1/15

x= 48 * 15/1

x= 720 bolts


ANSWER: He purchased 720 bolts

Hope this helps! :)
3 0
3 years ago
Solve for k:<br> 8 36<br> K 1.8
tekilochka [14]

Step-by-step explanation:

I there a picture for the problem ?

6 0
3 years ago
10. Select all that are true for the graph that represents
Likurg_2 [28]

Answer:

A, C and F

Step-by-step explanation:

The given function is

f(x)=5(3)^x

It is an exponential function of the form

f(x)=a(b)^x

On comparing both the functions, we get

a=5,b=3

It means the initial value is 5 and growth factor is 3.

Since both values are positive it means the given functions is an exponential growth function, therefore,

1. The graph is increasing by a common ratio of 3.

2. As x increases, y increases.

3. As x decreases, y approaches 0.

Hence, the correct options are A, C and F.

8 0
3 years ago
What is the value of x?
djverab [1.8K]

Answer:

x = 55°

Step-by-step explanation:

Hello!

The sum of angles in a triangle is 180°.

To solve for x, we have to subtract the given angles from 180°.

<h3>Solve for x</h3>
  • 180° = ∠1 + ∠2 + ∠x
  • 180° = 75° + 50° + x°
  • 180° - 75° - 50° = x°
  • 55° = x°

The value of x is 55°.

6 0
2 years ago
Read 2 more answers
Which point is located at (-3,6) <br><br> A) A<br><br> B) B<br><br> C) C<br><br> D) D
Andrej [43]

Answer is A

Step-by-step explanation:

Go over to the left 3 times then up 6

3 0
3 years ago
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