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Katen [24]
3 years ago
5

Read this main idea: Scientists use special tools to study stars. Choose three details that go with the main idea.

Mathematics
2 answers:
jeka57 [31]3 years ago
7 0

Answer:

Main Idea: The Sun isnt the biggest nor the hottest star

The largest stars, called supergiants, are 1,500 times bigger than our sun.  

Blue stars are the hottest.

It is a medium sized yellow star.

Step-by-step explanation:

Read carfeully

Have a nice day :)

jolli1 [7]3 years ago
3 0
The main idea is that the sun isn’t the biggest or the hottest.
Supporting evidence: The largest stars, called super giants, are 1500 times bigger than our son; blue stars are the hottest; the sun ia a medium sized yellow star
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What is the area of the figure below? Use 3.14 for pi. Round your answer to the nearest hundredth.
sammy [17]

Answer:

area of the figure ≈61.23 cm² to the nearest hundredth

Step-by-step explanation:

To find the area of the figure, we will follow the steps below;

Looking at the figure, we will see that the figure comprises of both semi-circle and a parallelogram

area of figure = area of semicircle + area of parallelogram

first, we will find the area of the semi-circle

area of a semi-circle = πr² /2

from the diagram given, diameter = 7cm

but diameter = 2r, this implies that radius r = d/2, hence radius r = 7/2 = 3.5 cm

π = 3.14

Lets insert the values into the formula

area of a semi-circle = πr² /2

                                    =3.14×3.5² /2

                                    =3.14×12.25 /2

                                     =19.2325 cm²

Area of a parallelogram = b×h

where b = base and h = height

from the figure given, base b = 7cm   and height h = 6 cm

Lets insert the values into the formula

Area of a parallelogram = b×h

                                       = 7×6

                                       =42 cm²

area of the figure = area of semicircle + area of parallelogram

                                =19.2325 cm²   +   42 cm²

                                =61.2325 cm²

                                ≈61.23 cm² to the nearest hundredth

area of the figure ≈61.23 cm² to the nearest hundredth

8 0
3 years ago
80 POINTS !!
givi [52]

Answer:

-4x^3+x+7

Step-by-step explanation:

6 0
3 years ago
Gloomy toothpaste comes in two sizes 9 ounces for $0.89 and 12 ounces for $1.15. Which size tube is the better buy?
sukhopar [10]
The 9 ounce toothpaste is a better deal.
I hope this helps you.
4 0
3 years ago
1. Kim's age is twice that of her sister. When you add Kim's age to her sister's age, you get 24. How old is each
Andre45 [30]

Answer:

a) Let Kim's age be k, then Kim's sister's age is k/2

k+\frac{k}{2}=24

b) k+\frac{k}{2}=24

1\frac{1}{2}k=24

k=16

\frac{k}{2}=8

Kim's age is 16 while her sister's age is 8.

5 0
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pshichka [43]

Answer:

3

Step-by-step explanation:

8 0
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