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Kaylis [27]
3 years ago
12

Eight times a number plus 3 times

Mathematics
1 answer:
klemol [59]3 years ago
5 0

Answer:

Step-by-step explanation:

8x + 3x = 9 + 12x , x = - 9

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Can anyone solve this?
anygoal [31]

Answer:

50.4 km (Answer B)

Step-by-step explanation:

From this information, we are able to create a proportion, 2cm/21km= 4.8cm/x km (x representing the actual distance). After cross-multiplying and simplifying, you get an answer of 50.4km. Hope this helps!

6 0
2 years ago
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Estimate the unit rate if 12 pairs of socks sell for $5.79.
11111nata11111 [884]
If 12 pairs of socks sell for $5.79, then the unit rate is 12 : 5.79. If we want to find a unit rate for one pair of socks, we need to divide 5.79 by 12:
5.79 / 12 = 0,4825
So the unit rate is 1 : 0.4825
Hope this was helpful, and if so, please mark as brainliest. ((: Thank you!
3 0
3 years ago
Determine whether the graphs of any of the following equations are parallel or perpendicular. Explain
bixtya [17]

Answer:

y=4x and x+4y=12 are perpendicular because they have opposite reciprocal slopes

Step-by-step explanation:

y=4x slope is 4

x+4y=12 slope is -1/4

5 0
3 years ago
What is bigger 7/8 or 13/15?
erastovalidia [21]
The answer would be 13/15
8 0
3 years ago
a landscaper is supposed to plant pine trees, oak trees, and elm trees in a ratio of 48:12:120. At this time, the landscaper onl
iogann1982 [59]

Answer:

Step-by-step explanation:

Coniferous trees keep their needles all year with the exception of tamarack. They are good trees to plant for privacy and wind breaks or shelterbelts

Pines include native white, red, and jack. They have long needles.

Spruces, black and white, and firs. They have short needles. They are important sources of wood fiber in northern Minnesota, and are excellent choices for windbreaks or shelterbelts.

Cedars include white or red. Cedars have scaled needles. Smaller than pines and spruces, cedars can provide wildlife cover and food.

5 0
2 years ago
Read 2 more answers
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