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2 years ago

Help please I suck at math :(

Mathematics

2 answers:

allsm [11]2 years ago

7 0

Answer:

44 m^2

Step-by-step explanation:

Think of the entire rectangle including the two cutout corners on top.

It is 8 m by 6 m.

A = LW = 8 m * 6 m = 48 m^2

Now find the area of each small missing rectangle on the upper side.

A = 2 m * 1 m = 2 m^2

Now subtract the area of the two cut out corners from the large rectangle.

A = 48 m^2 - 2 m^2 - 2 m^2

A = 44 m^2

andrew-mc [135]2 years ago

4 0

Answer:

44m^2

Step-by-step explanation:

Separate the shape into two different rectangles. Then add the area of the rectangles together.

2 x 6 = 12

4 x 8 = 32

32 + 12 = 44

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Big Ben, the famous clock tower in London, has a minute hand that is 14 feet long. How far does the tip of the minute hand of Bi

ycow [4]

Answer:

36.65 ft (2 dp)

Step-by-step explanation:

Angles around a point sum to 360°
1 hour = 60 minutes

Therefore, the minute hand of a clock travels 360° in 60 minutes

Number of degrees the minute hand will travel in 25 minutes:

$\sf =\dfrac{360}{60} \times 25=150^{\circ}$

To find how far the tip of the minute hand travels in 25 minutes, use the Arc Length formula:

$\textsf{Arc length}=2 \pi r\left(\dfrac{\theta}{360^{\circ}}\right)$

$\textsf{(where r is the radius and}\:\theta\:{\textsf{is the angle in degrees)}$

Given:

r = length of minute hand = 14 ft
$\theta$ = 150°

$\begin{aligned}\implies \textsf{Arc length} &=2 \pi (14)\left(\dfrac{150^{\circ}}{360^{\circ}}\right)\\ & = 28\pi \left(\dfrac{5}{12}\right)\\ & = \dfrac{35}{3} \pi \\ & = 36.65\: \sf ft\:(2\:dp)\end{aligned}$

4 0

2 years ago

89,659 to the nearest thousand

zubka84 [21]

90,000 is the answer.

8 0

2 years ago

Read 2 more answers

Hannah is deciding between two truck rental companies. Company A charges an initial fee of $30 for the rental plus $2 per mile d

Degger [83]

Answer:

Hannah is deciding between two truck rental companies. Company A charges an initial fee of $30 for the rental plus $2 per mile driven. Company B charges an initial fee of $100 for the rental plus $1 per mile driven. Let AA represent the amount Company A would charge if Hannah drives xx miles, and let BB represent the amount Company B would charge if Hannah drives xx miles. Write an equation for each situation, in terms of x,x, and determine the interval of miles driven, x,x, for which Company A is cheaper than Company B.

5 0

2 years ago

Which of the following functions best describes this graph?

jok3333 [9.3K]

<h3>Answer: Choice C</h3>

Explanation:

The x intercepts or roots are x = 3 and x = 5, which lead to the factors x-3 and x-5 respectively.

Multiplying out those factors gets us this:

(x-3)(x-5)

x(x-5)-3(x-5)

x^2-5x-3x+15

x^2-8x+15

8 0

2 years ago

NEED HELP ASAP!!! PLEASE

Lubov Fominskaja [6]

Answer:

1144cm²

Approx. 1100cm²

Step-by-step explanation:

Area of rectangle=

L×B

34×20 = 680cm²

Area of semi-circle=

πr²

3.14 × (10)² = 314cm²

Area of triangle=

½b×h

b = 49 - 34 = 15

20 × 15 = 150cm²

Area of shape =

680 + 314 + 150 = 1144cm²

approx. 1100cm²

Please mark my answer as brainliest <3

6 0

2 years ago