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mario62 [17]
3 years ago
15

Carmen measured a house and made a scale drawing. The scale of the drawing was 9 millimeters = 1 meter. What is the drawing's sc

ale factor? Write it as a fraction.
Mathematics
1 answer:
malfutka [58]3 years ago
5 0
When you write a scale factor, the units have to be the same.  In this case, 9mm on the drawing represents 1 meter on the house.  Change 1 meter to millimeters (1m = 1000mm).

9 mm on the drawing represents 1000 mm on the house.

The scale factor is 9 to 1000, or, as a fraction,  9/1000.
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I need help with this please
Alex

Answer:

650 cm²

Step-by-step explanation:

Use the formula 2(lw+wh+lh)

Plug in the stuff: 2(5*9+9*20+5*20)=2(45+180+100)=2(325)=650 cm²

And there you go!

Please mark brainliest!

3 0
2 years ago
Stan's heart rate, in beats per minute, was measured 20 times at random. The results are 82, 84, 98, 112, 97, 93, 91, 87, 112, 8
Licemer1 [7]

Answer:

(80.4942, 94.9052)

Step-by-step explanation:

The sample mean is x = 87.7.

The sample standard deviation is s = 11.26.

At 99% confidence and 19 degrees of freedom, the critical value is t = 2.861.

The confidence interval is:

x ± t (s/√n)

87.7 ± 2.861 (11.26 / √20)

87.7 ± 7.2053

(80.4947, 94.9053)

6 0
3 years ago
Anyone know how to solve this?? Number 5!!
iragen [17]
P=6+1+2
6+1+2=9 x 3= 27
8 0
3 years ago
PLEASE HELP
ipn [44]

Answer: (0,0),(0,4), and (5,0)

Step-by-step explanation:

It is easy to find lengths of horizontal and vertical segments and distances from (0,0) so always place one vertex at the origin and one or more sides on an axis.

This answer has an x intercept and y intercept.

3 0
2 years ago
Which unit rate is the lowest price per ounce? Choice A: 15 ounces of chocolate chips for $2.49 Choice B: 20 ounces of chocolate
Arisa [49]
Its 15 divided by 2.49 which is 6.02, then you have to divide 20 divide by 3.32 which equals 6.02. They are both equal Both a and B are equal

You're Welcome i hope i helped
7 0
3 years ago
Read 2 more answers
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