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SSSSS [86.1K]
3 years ago
7

Rachel mows 5 lawns in 8 hours. At this rate, how many lawns can she mow in 40 hours?

Mathematics
1 answer:
expeople1 [14]3 years ago
8 0

Answer: 25

Step-by-step explanation: 8*5=40, so multiply 5 by 5. Or, to put it another way:

5/8 = 25/40

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Marina's New Year's resolution is to ride her bike 5000 miles.
o-na [289]

Answer:

m5000=d

Step-by-step explanation:

or d5000=m

8 0
3 years ago
Which of the expressions below are equal to 3x + 9y + 15? Select all that apply.
devlian [24]
Answer:
C) 3(x + 3y + 5)
D) 3x + 3(3y +5)
5 0
3 years ago
Find the value of x. Round to the nearest tenth.
nordsb [41]

Step-by-step explanation:

here,,

a=3,b=10,C=120°

c^2=a^2+b^2-2ab cos120°

=(3)^2 +(10)^2 _2 (3)(10)(-1/2) [cos120°=-1/2]

=9+100-(-30)

=109+30

=139

c=(139 )1/2=11.79

c=12

3 0
3 years ago
An earthquake with a magnitude of about 2. 0 or less is called a microearthquake. It is not usually felt. The intensity of an ea
Alecsey [184]

The intensity of an earthquake with a magnitude of 2 is 100 times greater than the intensity of an a standard earthquake .

<h3>What is magnitude of earthquake?</h3>

Magnitude of earthquake is the measure of the size of origin of the earthquake. The magnitude of the earthquake keeps the same value for each place.

An earthquake with a magnitude of about 2. 0 or less is called a micro-earthquake and not felt usually.The intensity of an earthquake with a magnitude of 2.

Let the intensity of this earthquake is <em>n </em>times greater than the intensity of an a standard earthquake. Thus the intensity of standard earthquake can be given as,

n=10^2\\n=100

If the magnitude would be 3 then the intensity would be,

n=10^3\\n=1000

It would be 1000 times greater than the standard earthquake and so on.

Thus, the intensity of an earthquake with a magnitude of 2 is 100 times greater than the intensity of an a standard earthquake .

Learn more about the magnitude of earthquake here;

brainly.com/question/18109453

8 0
2 years ago
What is the value of 9 in 0.9? :))
Leya [2.2K]

Answer:

The value is 9 tenths :)

Step-by-step explanation:

6 0
3 years ago
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