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larisa86 [58]
3 years ago
12

ILL GIVE BRAINLIEST!!!!

Mathematics
1 answer:
g100num [7]3 years ago
5 0

Answer:#of dimes is 15 # of quarters is 10

Step-by-step explanation:method is elimination my multiplication. First equation is x+y=25 multiply it by -10. Second equation is 10x+25y=400. A quarter is .25 and a dime is .10 but to avoid all decimals I multiplied by 10 but it doesn’t matter because I did it on both sides. Use systematic equation solving to get 15y=150 then y=10. Plug it into the first to get x+10=25 subtract to get 15. Mr. Jacobs does get excessive sometimes lol.

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tim and his brother are building towers out of blocks. Tim is using blue blocks that are 6 cm tall and his brother is using gree
Karolina [17]

The shortest possible height of tower is 24 cm.

Tim used 4 blue blocks and his brother used 3 green blocks.

Step-by-step explanation:

Given,

Height of blue block = 6 cm

Height of green block = 8 cm

We will take least common multiple to find the shortest possible height.

6 = 2*3

8 = 2*2*2

LCM = 2*2*2*3 = 24 cm

The shortest possible height of tower is 24 cm.

Number of blue blocks used = \frac{24}{6} = 4

Number of green blocks used = \frac{24}{8} = 3

Tim used 4 blue blocks and his brother used 3 green blocks.

Keywords: LCM, multiplication

Learn more about multiplication at:

  • brainly.com/question/11203617
  • brainly.com/question/11253316

#LearnwithBrainly

7 0
4 years ago
Complete the steps to solve the inequality:<br><br> 0.2(x + 20) – 3 &gt; –7 – 6.2x
Zigmanuir [339]

answer: x > - 1.25

Step-by-step explanation:

0.2 •(x + 20)- 3> -7- 6.2x

0.2x + 1> - 7 - 6.2x

3 0
3 years ago
The mean weight of cherry tomatoes on a farm is about 57 grams. The farmer is interested in testing a new type of fertilizer. Th
Nookie1986 [14]

Answer:

The weight of a tomato depends on the variety of tomato. There are cherry, plum, grape, roma, and beef tomatoes of various sizes. The following tables shows different types of tomatoes, along with the average weight (in grams and ounces), the number of tomatoes per kilogram, and the number of tomatoes per pound.

Step-by-step explanation:

6 0
3 years ago
Please answer please answer
inessss [21]
I attached a photo of my work below; I just screenshotted the photo you provided. I apologize in advance for any mistakes, it’s 1 am and I’m in need of some sleep. However, I hope it helps otherwise. Have a good one!

8 0
3 years ago
Read 2 more answers
What is the solution to the system of equations?<br> x+y+3z=-4 <br> 2x-z=-3<br> -x-y-2z=5
goblinko [34]

x=-4-y-3z

x=-3/2+1/2z

x=-5-y-2z

6 0
3 years ago
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