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olga55 [171]
3 years ago
12

What is the area of the figure below?

Mathematics
1 answer:
goldfiish [28.3K]3 years ago
4 0

Answer:

C. 48,5 cm²

Step-by-step explanation:

The area is 8×4 + 3×3 + 5×3/2 = 32+9+15/2 = 41+7,5 = 48,5 cm²

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the mass of the sun is 2 x 10^30kg and the mass of earth is 6 * 10^24 kg. Approximately how many times greater is the mass of th
german

Answer:

The mass of sun is 333333.33 times greater than the mass of earth

Step-by-step explanation:

Given as :

The mass of the sun = 2\times 10^{30} kg

The mass of earth =  6\times 10^{24} kg.

Let The mass of sun is x times greater than the mass of earth

i.e The mass of sun = x × The mass of earth

or,  2\times 10^{30} kg =  6\times 10^{24} kg × The mass of earth

Or, x = \dfrac{2\times 10^{30}}{6\times 10^{24}}

Or, x = \dfrac{2\times 10^{6}}{6}

∴ x = 333333.33

So,  The mass of sun = 333333.33 × The mass of earth

Hence, The mass of sun is 333333.33 times greater than the mass of earth Answer

6 0
2 years ago
Liza's cat had six kittens when Liza and her brother weighed all the kittens when together they weighed 4 pounds 2 ounces. Since
leonid [27]
0.7 ounces each
its simple you divide 4.2 by 6 and get the answer of 0.7.
7 0
2 years ago
Read 2 more answers
Marcy bought a total of 20 years books and CDs during a yard sale for a total of $54.50 cents. If books cost $1.50 each and CDs
Olenka [21]

Answer:

x + y = 20

1.5x + 5y = 54.50

Solve the equations and get: x = 13 ∧ y = 7

Marcy bought 13 books and 7 CDs.

6 0
3 years ago
Hey need help on this question. Could I have a simple explaination please as I find it difficult to understand things
Fantom [35]

Answer:

y = 1.5x + 1

Step-by-step explanation:

→ Choose 2 points

( 2 , 4 ) ( -2 , -2 )

→ Find the gradient

-6 ÷ -4 = 1.5

→ Write into format

y = 1.5x + c

→ Substitute in ( 2 , 4 )

4 = 3 + c

→ Minus 3 from both sides

1 = c

y = 1.5x + 1

8 0
1 year ago
: In Ms. Perron’s class, 40% of the students are boys. There are 10 boys in the class. What is the total number of students in M
ruslelena [56]
<h3>Total number of students in Ms. Perron’s class is 25</h3>

<em><u>Solution:</u></em>

In Ms. Perron’s class, 40% of the students are boys

There are 10 boys in the class

Let "x" be the total number of students in Perron class

From given,

40 % of total students are boys

Therefore,

40 % of x = 10

\frac{40}{100} \times x = 10\\\\40x = 1000\\\\x = 25

Thus total number of students in Ms. Perron’s class is 25

7 0
3 years ago
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