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mojhsa [17]
2 years ago
8

Radio waves have the longest wavelength. If a particular radio wave is 1km long with a speed of

Mathematics
1 answer:
Maru [420]2 years ago
4 0

Answer:

30000

Step-by-step explanation:

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A tank has dimensions of 12m x 8m x 5 meters using an iron sheet. The tank is open at the top. If the sheet is 4m wide, what is
Salsk061 [2.6K]

Answer:Length if tank=12m

Step-by-step explanation:

Dimension of tank is 12m by 8m by 5m

Which is length × breadth × heigh

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3 years ago
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A chord has ___________ endpoint(s) on a circle.<br> A. Three<br> B. None<br> C. One <br> D. Two
AveGali [126]

Answer:

The answer is D - Two

Step-by-step explanation:

a chord has two endpoints on a circle

5 0
3 years ago
Which are correct representations of the inequality –3(2x – 5) &lt; 5(2 – x)? Select two options.
Amiraneli [1.4K]

The correct representations of the given inequality are

–6x + 15 < 10 – 5x

and

A number line with an <u>open circle</u> at 5 and a bold line that starts at 5 and is <u>pointing to the right</u>. The correct options are the third and fourth options

<h3>Solving inequality</h3>

From the question, we are to solve the inequality

The given inequality is

–3(2x – 5) < 5(2 – x)

First, clear the brackets

–6x + 15 < 10 – 5x

NOTE: This is one of the correct representations of the inequality

Collect like terms

-6x + 5x < 10 - 15

-x < -5

Divide both sides by -1 and flip the sign

x > 5

Representing this on a number line, we get a number line with an <u>open circle</u> at 5 and a bold line that starts at 5 and is pointing to the right.

Hence, the correct representations of the given inequality are

–6x + 15 < 10 – 5x

and

A number line with an <u>open circle</u> at 5 and a bold line that starts at 5 and is <u>pointing to the right</u>. The correct options are the third and fourth options

Learn more on Inequalities here: brainly.com/question/246993

#SPJ1

6 0
2 years ago
P and q are two arithmetic sequences. The first four terms of sequence P are 2,6,10,14. The nth term of sequence Q is 145-3n. Th
Tomtit [17]

Answer:

r = 21

Step-by-step explanation:

nth of sequence P :

T_{n} = 4n -2

r^{th} term : 4r-2=145-3r\\4r+3r=145+2\\7r=147\\r=21

5 0
1 year ago
8 is 25% of what number?
VLD [36.1K]

Answer:

32

Step-by-step explanation:

25% is the same as 1/4

8 times 4 is 32 so 8 is 25% of 32

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3 years ago
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