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dybincka [34]
4 years ago
8

A car travels 45 km in an hour. In each of the next two hours, it travels 78 km. What is the average speed of the car?

Mathematics
1 answer:
NISA [10]4 years ago
3 0
Total Distance- 45+2*78=201
Total Time-3 hrs

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I need some help here plz
Svetllana [295]

Answer:

I don't know if this is correct but id say

5500 \times  \frac{2}{100} = 55 \times 2 = 110

Step-by-step explanation:

the interest is 2 % so you'd say 2/100 times the amount of money in the interest so that is 2% of 5500

the interest is 110

7 0
3 years ago
the altitude of a right circular cone is 8cm and the radius of the base is 6cm what is its total surface area​
frosja888 [35]

Answer:

301.44 cm ^ 2

Step-by-step explanation:

We have that the total surface area of a cone would be the sum of the base area and the lateral surface area.

the area of the base, being a circle is pi * r ^ 2

the lateral area would come being the multiplication between the inclined height, the radius and the number pi, that is to say pi * r * l

the inclined height is calculated using the Pythagorean theorem, the legs being the radius and the altitude, thus:

l ^ 2 = 6 ^ 2 + 8 ^ 2

l ^ 2 = 100

l = 10

Therefore, we can replace:

A = 3.14 * 6 ^ 2 + 3.14 * 10 * 6

A = 301.44

It means that the total surface area is 301.44 cm ^ 2

6 0
3 years ago
HELP ASAP!! <br> I will give brainliest if correct
Natasha_Volkova [10]

Answer:

One of the angles is 42 degrees the other one is the same.

To find the missing angle you need to subtract the 2 angles with 90 and what you get is the missing angle so

42 - 42 - 90 = 90

I believe this is the right answer my bad if its not

3 0
3 years ago
Find the area of the figure shown below.​
tatyana61 [14]
45m play the hood of a black dodge blue blue gray gray brown green
5 0
3 years ago
Someone please help me with this geometry question!
adell [148]

Answer: SAS

Step-by-step explanation:

There are two pairs of congruent angles and the pair of angles formed by these sides are congruent.

5 0
2 years ago
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