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bija089 [108]
4 years ago
13

PLZZ HELP!!! ⚠️⚠️ ATTACHED AND NEEDS DONE ASAP!

Mathematics
1 answer:
Nataly [62]4 years ago
8 0

Step-by-step explanation:

change the unit

50 km per 1 hour

50 km/h = 50,000 m/ 3600 s = 13.8 m/s

the lorry speed is 13.5 m/s or 0.3 m slower than the limit

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grandmas betty recipe make 6 cupcake and uses 1/3 of a cup of sugar. How many cups of sugar will it take to make 2/1/2 dozen cup
Ber [7]

Answer:

1 and 1/3 cups of sugar

Step-by-step explanation:

A dozen cupcakes are 12 cupcakes so i would be 24 cupcakes to make 2 dozen cupcakes then for the half a dozen you would do only another 6 cupcakes and you would add all of that up and get 1 and 1/3 cups of sugar.

3 0
3 years ago
How to find the angle of a triangle with 3 sides?
Molodets [167]

Explanation:

The Law of Cosines specifies the relationship between the three sides of a triangle and any one of the angles. If the sides are designated a, b, and c, and the angle opposite side c is C, then it tells you ...

  c² = a² + b² -2ab·cos(C)

This relationship can be used to find any and all angles, given the three sides of a triangle. Or, having found one angle using the Law of Cosines, the others can be found using the Law of Sines:

  sin(A)/a = sin(B)/b = sin(C)/c

_____

Typically, inverse functions are required. That is, from the Law of Cosines, ...

  C = arccos((a² +b² -c²)/(2ab))

And from the Law of Sines, ...

  A = arcsin(a/c·sin(C))

  B = arcsin(b/c·sin(C))

_____

<em>Note on solving triangles</em>

It often works best to make use of exact values where possible. It is also a good idea to start with the longest side/largest angle. Of course, once you have two angles the other can be found as the supplement of their sum.

8 0
3 years ago
On a family vacation, Amy's dad drove the car at a constant speed and traveled 585 miles in 13 hours. At this rate, how long wou
andreev551 [17]
The answer to that question is 18 hours.
3 0
3 years ago
mr.mcmercy is building a multipurpose builing for a church in his area . the building will be 44 feet by 74 feet, If they put ti
motikmotik
44 • 74 = 3,256/24 = 136 boxes
5 0
3 years ago
Read 2 more answers
The difference between two numbers is 48. five times the smaller is equal to 8 more than the larger. what are the numbers?
Fofino [41]
Let the bigger no. = x+48
smaller no. = x
5x = x + 56
4x = 56
x = 14
x + 48 = 62

Check :
62-14= 48
5×14= 70 is equal to 62+8=70

Ans : 14 and 62
3 0
3 years ago
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