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4 years ago

Two different types of candy cost 2x, 7x. If you buy 2 of each type, write down an algebric expression of the total cost

Mathematics

1 answer:

deff fn [24]4 years ago

5 0

Answer:

$(18x)

Step-by-step explanation:

2(2x)+2(7x)

=4x+14x

=18x

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Which property is illustrated, 1n = n

steposvetlana [31]

1n=n Answer:

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3 years ago

The diagram shows a square ABCD with sides of length 20cm. it also shows a semi circle and an arc circle AB is the diameter of t

Brut [27]

Answer:

Area of Shaded Region $=50\pi$ cm^2$

Area of Semicircle $=50\pi$ cm^2$

$\dfrac{\text{Area of Shaded region}}{\text{Area of Square}}=\dfrac{ \pi}{8}$

Step-by-step explanation:

Area of Shaded Region = Area of Sector - Area of Semicircle

<u>Area of Sector</u>

Radius of the sector =20cm

$=\frac{90}{360}X\pi *20^2\\ =100\pi cm^2$

<u>Area of Semicircle</u>

Since AB is the diameter of the semicircle

Radius of the Semicircle=20/2=10cm

Area of semicircle

$=\frac{\pi r^2}{2}\\ =\frac{\pi *10^2}{2}\\=50\pi cm^2$

Therefore, area of Shaded Region

$=100\pi -50 \pi\\=50\pi$ cm^2$

Area of Square =20 X 20 $=400 cm^2$

$\dfrac{\text{Area of Shaded region}}{\text{Area of Square}} \\=\dfrac{50 \pi}{400} \\=\dfrac{ \pi}{8}$

4 0

3 years ago

You have a new mobile phone. The phone costs £140 and then you pay for a one year contract at £15 per month. How much do you pay

netineya [11]

It is the amount you pay each month times 12
15x12=£180

6 0

4 years ago

Which of the following allows you to compare the frequency of intervals, but not the frequency of exact values?

Oduvanchick [21]

The correct answer is letter B

5 0

3 years ago

The perimeter of a regular hexagon is at most 42 inches.find the possible side lengths of the hexagon

MariettaO [177]

Hello from MrBillDoesMath!

Answer:

The side length is at most 7 inches.

Discussion:

A regular hexagon is a 6-sided polygon where the length of each side is the same. Let this length be L. Then the problem states that 6L < 42, so L < 7

Regards,

MrB

4 0

3 years ago