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Taya2010 [7]
3 years ago
14

I WILL GIVE BRAINLIEST IF CORRECT. What is the length of the diagonal of a 18 cm by 16 cm rectangle

Mathematics
1 answer:
const2013 [10]3 years ago
3 0

Answer:

18 centimeters

Step-by-step explanation: Because the length is always the highest number and the length is always the length of the diagonal.

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Simple just subtract and u get-74.85
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out of a senior class of 100 students the.class offers (president vice president treasurer needs to be arranged.com how many dif
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2 years ago
What is the measure of 3?
mafiozo [28]

Answer:

∠3 = 60°

Step-by-step explanation:

Since g and h are parallel lines then

∠1 and ∠2 are same side interior angles and are supplementary, hence

4x + 36 +3x - 3 = 180

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5 0
3 years ago
Rob is travelling at a constant speed in a car. He travels 105km in 1 hour and 30 minutes. The speed limit is 80km/h. Is Rob tra
abruzzese [7]

Answer:

Yes.

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Let's first convert his speed to km/h.

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8 0
2 years ago
What are the solutions of the following system? StartLayout Enlarged left-brace 1st row 10 x squared minus y = 48 2nd row 2 y =
jeyben [28]

Answer:

<u>The solutions of the system ⇒ (-6 , 312) and (6 , 312)</u>

Step-by-step explanation:

Given:

10x² - y = 48  ⇒(1)

2y = 16x² + 48 ⇒(2)

From eq.(1) ⇒ y = 10x² - 48 ⇒(3)

By substitution with y from eq.(3) at eq.(2)

∴ 2(10x² - 48) = 16x² + 48

Solve for x

∴ 20x² - 96 = 16x² + 48

∴ 20x² - 16x² = 48 + 96

∴ 4x² = 144

∴ x² = 144/4 = 36

∴ x = ±√36 = ±6

By substitution with x at eq.(3)

when x = 6 ⇒ y = 10x² - 48 = 10 * 6² - 48 = 10 * 36 - 48 = 312

when x = -6 ⇒ y = 10x² - 48 = 10 * (-6)² - 48 = 10 * 36 - 48 = 312

<u>So, there are two solutions of the system which are (-6,312) and (6,312)</u>

3 0
3 years ago
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