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natali 33 [55]
3 years ago
5

Ramesh is buying a new bike helmet. The price of the helmet is $60 and there is a 5% sales tax. Ramesh wants to know the total p

rice of the bike helmet including tax.
Mathematics
1 answer:
iren [92.7K]3 years ago
7 0

Answer:

63.00

Step-by-step explanation:

Got it right

You might be interested in
A store has 7 blue chairs for $127.75 or 4 red chairs for $73.52. Which color chair has a higher cost per chair?
Tanya [424]

Answer:

Red

Step-by-step explanation:

Blue: $127.75 ÷ 7 = $18.25

Red: $73.52 ÷ 4 = $18.38

<u>Blue's cost per chair:</u> $18.25

<u>Red's cost per chair:</u> $18.38

8 0
3 years ago
14. A right cone has a height of 14 in and a base diameter of 17 in.
Mars2501 [29]

Given:

The height of a right cone = 14 in

Base diameter = 17 in

To find:

The diagram of the cone and its lateral surface area.

Solution:

(a)

The diagram of a right cone with height 14 in and base diameter of 17 in is shown below.

Diagram is not to scale.

(b)

We know that lateral surface of the cone is

A=\pi rl

A=\pi r\sqrt{r^2+h^2}              ...(i)

Where, r is the base radius, h is vertical height and l is the slant height of the cone.

Base radius of the cone = \dfrac{\text{Base diameter}}{2}

r=\dfrac{17}{2}

r=8.5

Now,

Putting r=8.5, h=14 and π=3.14 in (i), we get

A=(3.14)(8.5)\sqrt{(8.5)^2+(14)^2}

A=26.69\sqrt{72.25+196}

A=26.69\sqrt{268.25}

A=437.1379

A\approx 437

Therefore, the lateral surface area of the cone is 437 sq. inches.

5 0
3 years ago
I need do now this answer please
s2008m [1.1K]

Answer:

40.75   (40 3/4)   Miles per hour

Step-by-step explanation:

(2/3) (3/2) = 1, so

30.5 x (3/2) = 40.75

3 0
3 years ago
The rectangular pyramid below has a volume of 200 m3. What is the height of the rectangular pyramid in meters? If the base is 6
Allisa [31]

Answer:

6.67meters

Step-by-step explanation:

The formula for the volume of a rectangular pyramid = Length × Width × Height

From the question

Volume = 200m³

Base of the pyramid = Length × Width = 6m by 5m = 6m × 5m

To find the height of the pyramid = Volume/Length × Width

Height = 200m³/ 6m × 5m

Height = 6.67m

Height of the rectangular pyramid in meters = 6.67 m

5 0
3 years ago
If a test of hypothesis has a Type I error probability of .05, it means that if the null hypothesis is true, ____
Vika [28.1K]

Answer: (D) you reject it 5% of the time

Step-by-step explanation:

  • In hypothesis testing ,Type 1 error is the situation when the null hypothesis is true but we reject it.

Given : A test of hypothesis has a Type I error probability of 0.05

Which can be written as 5%.

It means that if null hypothesis is true, <u>you reject it 5% of the time.</u>

6 0
3 years ago
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