3 years ago

4) Find the LCM of 20 and 9

Mathematics

2 answers:

allsm [11]3 years ago

8 0

180 is the least common multiple.

hodyreva [135]3 years ago

4 0

Answer:

least common multiple is 180

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If f =28 when a = 7 find f when a is 10 (direct proportion)

QveST [7]

Answer:

f=40

Step-by-step explanation:

f=28, a=7

$f \infty a \\ f = ka \\28 = k(7) \\ 28 = 7k \\ \frac{28}{7} = \frac{7k}{7} \\ 4 = k \\ k = 4 \\ f = 4a \\ a = 10 \\ f = 4(10) \\ f = 40$

Hope that this is helpful.

Have a nice day.

6 0

2 years ago

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A landscaper is planting a row of 10 shrubs along the walkway shown below. There must be one shrub at the very beginning and one

rewona [7]

Answer:

$9d = 36$

Step-by-step explanation:

See attachment for complete question

$Length = 36ft$

$n = 10$

From the question, we understand that one shrub must be at both ends.

Taking the first as a point of reference, we're left with:

$(n - 1) * distance = 36$

Substitute 10 for n and d for distance

$(10 - 1) * d = 36$

$9 * d = 36$

$9d = 36$

Hence:

$9d = 36$ answers the question

4 0

3 years ago

Mark can type 44 words in 2 minutes. Which of the following is equivalent to that rate?

allochka39001 [22]

Answer:

D. 132 words in 6 minutes

Step-by-step explanation:

First, find the amount of words Mark can type in one minute:

44/2 = 22

Mark can type 22 words in 1 minute.

Next, solve by multiply each minute with words per minute to get the total words.

For choice D):

6 x 22 = 132

D) is your answer.

6 0

2 years ago

USE The two Approches, Find<br>The lCM OF 48, 60,72

Aliun [14]

answer it is right at right write L.C.M

5 0

2 years ago

L. Find the positive square root of each of the following numbers:(a) 36(b) 81(d) 256(c) 196

Yakvenalex [24]

(a)36 = 6
(b)81 = 9
(c)256 = 16
(d)196 = 14

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2 years ago

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4) Find the LCM of 20 and 9​

4) Find the LCM of 20 and 9