3 years ago

100 points for all these questions

Mathematics

1 answer:

Alenkasestr [34]3 years ago

4 0

Answer:

will do it right away, guarantee done in 5-20 mins! :)

Step-by-step explanation:

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15% of the parking spaces at a school are reserved. The school has 12 reserved spaces. How many parking spaces are there in tota

Strike441 [17]

Answer: 76

Step-by-step explanation:

well, we know that 15% of the X is 12, so we first use 6 15%, which is 90% 6X12=72. next, we would use 12/3, which is 4. 72+4=76.

3 0

3 years ago

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Find the hypotenuse of a right triangle if side a=3 and side b=4

Slav-nsk [51]

Answer:

5 units

Step-by-step explanation:

By Pythagoras theorem:

$(hypotenuse)^2 = a^2+ b^2\\\therefore hypotenuse = \sqrt{a^2+ b^2} \\\therefore hypotenuse = \sqrt{3^2+ 4^2} \\\therefore hypotenuse = \sqrt{9+ 16} \\\therefore hypotenuse = \sqrt{25} \\\therefore hypotenuse = 5\: units$

4 0

4 years ago

27millimeters. 1cm/10mm

Alla [95]

If you would like to know how many centimeters are 27 millimeters, you can calculate this using the following steps:

1 cm ... 10 mm
x cm = ? ... 27 mm

1 * 27 = 10 * x
27 = 10 * x /10
x = 27/10
x = 2.7 cm

The correct result would be 2.7 cm.

5 0

3 years ago

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Cathy is three times as old as Katie, but in six years, Cathy will be

PIT_PIT [208]

Answer:

Cathy is 18 Katie is 6

Step-by-step explanation:

mhm

7 0

2 years ago

Please help. it is a multiple choice