3 times 9 times 10 to the first power

Answers

Answer 1

Answer: 3x9x10^1
27x10^1
27x100
2700

Answer 2

Answer: 3 times 9 is 27. 10 times 27 is 270. Then take that to the first power. When you take something to the FIRST power the number stays the same because there is nothing to multiply it by. So your answer would be 270.

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a boy is 24 years younger than his father. In 2 years time the sun of their ages will be 40. Find the present ages of father and son

Answers

ooh fun

x=boy
y=father
x+24=y
(x+2)+(y+2)=40
subsitute x+24=y into equation
x+2+x+24+2=40
add like terms
2x+28=40
subtract 28 from both sides
2x=40
divide both sides by 2
x=son now=20
father=son+24
father=20+24=44

father=44
son=20

Let the age of the boy be x.
Therefore the age of the father = x + 24. (The boy is 24 years younger implies that
   his father is older by 24 years).

In 2 years time:
The boy will be = (x +2).
The father will be (x +24 +2) = (x + 26).

Sum of their ages = 40.
Therefore (x+2) + (x + 26) = 40.
   x + x + 2 + 26 = 40
      2x + 28 = 40
      2x = 40 -28
   2x = 12.
   x = 12/2 = 6. x =6.
Present ages = x , x +24. = 6, (6 +24) = 6, 30.
Boy = 6 years old.
Father = 30 years old.
Cheers.

My HomeworkIndependent practice
eHelp
Go online for Step-by-Step Solutions
Find the area of each figure. Round to the nearest tenth if
necessary.
(Example
(02 cm
12 cm
6 yd
4.5 cm
16 yd
8 yd
2 cm
show) 24 yd
5 cm
1 m.
15 c
15 m

Answers

Answer:

1. 64 cm²

2. 240 yard²

3. 85.13 cm²

4. 193.36 m²

Step-by-step explanation:

Ques 1: We are given two rectangle with dimensions,

Length = 12 cm, Width = 4.5 cm and Length = 5 cm, Width = 2 cm.

As, we know, Area of a rectangle = Length × Width

So, we have,

Area of 1st rectangle = 12 × 4.5 = 54 cm²

Area of 2nd rectangle = 5 × 2 = 10 cm²

Thus, the total area of the figure = 54 + 10 = 64 cm²

Ques 2: We are given a triangle and a rectangle with dimensions,

Triangle: Base = 24-12 = 12 yd and Height = 8 yd

As, Area of a triangle = $(1)/(2) (Base * Height)$

i.e. Area of the triangle = $(1)/(2) (12* 8)$

i.e. Area of the triangle = $(1)/(2)* 96$

i.e. Area of the triangle = 48 yard²

Rectangle: Length = 24 yd, Width = 8 yd

As, we know, Area of a rectangle = Length × Width

i.e. Area of a rectangle = 24 × 8 = 192 yard²

So, the total area of the figure = 48 + 192 = 240 yard².

Ques 3: We are given a triangle and a semi-circle with dimensions,

Triangle: Base = 8 cm and Height = 15 cm

As, Area of a triangle = $(1)/(2) (Base * Height)$

i.e. Area of the triangle = $(1)/(2) (8* 15)$

i.e. Area of the triangle = $(1)/(2)* 120$

i.e. Area of the triangle = 60 cm²

Semi-circle: Diameter = 8 cm implies Radius = 4 cm.

So, Area of the semi-circle = $(\pi r^(2))/(2)$

i.e. Area of the semi-circle = $(\pi 4^(2))/(2)$

i.e. Area of the semi-circle = $(16\pi)/(2)$

i.e. Area of the semi-circle = $(50.26)/(2)$

i.e. Area of the semi-circle = 25.13 cm²

Thus, the total area of the figure = 60 + 25.13 = 85.13 cm²

Ques 4: We are given a rectangle and a semi-circle of dimensions,

Rectangle: Length = 15 m, Width = 7 m.

As, we know, Area of a rectangle = Length × Width

i.e. Area of a rectangle = 15 × 7 = 105 m²

Semi-circle: Diameter = 15 m implies Radius = $(15)/(2)$ = 7.5 m

So, Area of the semi-circle = $(\pi r^(2))/(2)$

i.e. Area of the semi-circle = $(\pi (7.5)^(2))/(2)$

i.e. Area of the semi-circle = $(176.72)/(2)$

i.e. Area of the semi-circle = 88.36 m²

Thus, the total area of the figure = 105 + 88.36 = 193.36 m²

Mercury, Venus, and Earth are the three planets closest to the sun. Would their combined distance from the sun be greater or less than the distance from the sun to Neptune?

Answers

mercury Venus and earth together would be greater than the distance from Neptune to the sun neptune is 2.759 billion miles away from the sun and the three others combined are 196.18 million miles away from the sun

Which fraction shows 32/48 in simplest form

Answers

32÷16=2
48÷16=3

so 2/3

32 / 8 = 4
48 / 8 = 6
4/6 can be reduced by two
2/3 is the final answer.

Find the next three terms in this sequence:
1, 4, 9, 16, 25, ...

Answers

Answer:

36 , 49 , 64

Step-by-step explanation:

For a field trip for students Road in cars and the rest filled nine buses how many students were in each bus it for how to 72 students were on the trip?

Answers

72 divided by 9 equals 8
72/9=8

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