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3 years ago

What is the area of 10 cm 3 cm 7 cm 18 cm

Mathematics

1 answer:

Nesterboy [21]3 years ago

8 0

Answer: 10 times 3 equals 30 and 7 times 18 equals 126. 126 plus 30 is 156 is the answer

Step-by-step explanation:math

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Question 9 - (3 marks available)

finlep [7]

Answer: a) 1,600

b) 35,000

c) 120,000

<u>Step-by-step explanation:</u>

First, round each number to one significant digit (the first digit).

Then multiply them.

a) 17 --> rounds to 20

82 --> rounds to 80

20 x 80 = 2 x 8 with two zeros

= 1 6 0 0

b) 54 --> rounds to 50

671 --> rounds to 700

50 x 700 = 5 x 7 with three zeros

= 3 5 0 0 0

c) 207 --> rounds to 200

643 --> rounds to 600

200 x 600 = 2 x 6 with four zeros

= 1 2 0 0 0 0

6 0

3 years ago

There are two similar right triangles. One has side lengths of 6, 8, and 10. The other has side lengths of 24, and 18. What is t

maxonik [38]

Answer:

Step-by-step explanation:

24/8 = 3

18/6= 3

10x3 = 30

3 0

3 years ago

Peter will travel 1,342 kilometers from Paris to Rome. Peter will start his journey at 5:00 A.M. Monday morning and arrive in Ro

Hunter-Best [27]

Answer:

61 km/s

Step-by-step explanation:

First, you count the number of hours he travelled: 22

Next, divide the distance he travelled, 1342, by the time he travelled, 22, $\frac{1342}{22} = 61$

7 0

3 years ago

Last Tuesday was silly hat day at Toby's school. 74 students wore a silly hat and 666 students did not. What percentage of the s

valina [46]

Answer:

10%

Step-by-step explanation:

The total population of students will be equal to the sum of both those who wore the silly hat and those who didn't hence

Total students= 74+666=740

Number of students who wore silly hat is given as 74 hence when expressed as a percentage of the total students' population we get that

percentage of the students wore a silly hat= $\frac {74\times 100}{740}=10\%$

Therefore, 10% of students wore a silly hat last Tuesday

4 0

3 years ago

10. Write an inequality for the sentence: More than 75 people attended the basketball game.

tester [92]

Write an inequality for the sentence : More than 75 people attended the basketball game .

Answer : X > 75

7 0

3 years ago