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3 years ago

PLEASE HELP

Mathematics

1 answer:

Nastasia [14]3 years ago

5 0

Only if i knew :(((:(((

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Find the circumference and the area of a circle with the radius of 8ft

m_a_m_a [10]

The area of the circle is 201.06 ft^2. The circumference is 50.27 ft

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3 years ago

Anya's grandparents decide they want to invest at the bank. They have $35,000

Aneli [31]

Anya's parents will have $44,440.71 after 6 years if they invested in a bank.

The interest rate given is an annual rate yet will be compounded quarterly. You therefore need to convert the interest rate to a quarterly rate.

= 4% / 4 quarters

= 1% per quarter

Number of periods:

= Number of years x Number of quarters in year

= 6 x 4

= 24 quarters

The amount they will have in their account is:

= Amount x ( 1 + rate) ^ number of periods

= 35,000 x ( 1 + 1%)²⁴

= $44,440.71

In conclusion, they will have $44,440.71 if they invested their money in a bank for 6 years.

Find out more at brainly.com/question/13861384.

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2 years ago

Fiona has a goal to ride her bike at a constant speed for 2 hours. To see if she is meeting her goal, she plans to check her dis

patriot [66]

Answer:

6.3

Step-by-step explanation:

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2 years ago

Question:

aivan3 [116]

Answer:

part A) The scale factor of the sides (small to large) is 1/2

part B) Te ratio of the areas (small to large) is 1/4

part C) see the explanation

Step-by-step explanation:

Part A) Determine the scale factor of the sides (small to large).

we know that

The dilation is a non rigid transformation that produce similar figures

If two figures are similar, then the ratio of its corresponding sides is proportional

Let

z ----> the scale factor

$\frac{CB}{C'B'}=\frac{CD}{C'D'}=\frac{BD}{B'D'}$

The scale factor is equal to

$z=\frac{CB}{C'B'}$

substitute

$z=\frac{4}{8}$

simplify

$z=\frac{1}{2}$

Part B) What is the ratio of the areas (small to large)?

Area of the small triangle

$A=\frac{1}{2}(2)(4)=4\ units^2$

Area of the large triangle

$A=\frac{1}{2}(4)(8)=16\ units^2$

ratio of the areas (small to large)

$ratio=\frac{4}{16}=\frac{1}{4}$

Part C) Write a generalization about the ratio of the sides and the ratio of the areas of similar figures

In similar figures the ratio of its corresponding sides is proportional and this ratio is called the scale factor

In similar figures the ratio of its areas is equal to the scale factor squared

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3 years ago

6r+7=13+7r can you show the way to solve the equation.

Levart [38]

Answer: -1r = 6 then divide 6 by -1 which your answer would be r= -6

Step-by-step explanation:

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3 years ago