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Fantom [35]
3 years ago
6

Both similar triangles , solve for x

Mathematics
1 answer:
Lilit [14]3 years ago
3 0

Answer:

51

Step-by-step explanation:

(64/28) X 21 = x-3

48  = x - 3

+3         +3

51

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The Anderson family drove 7.5 hours on the first day of their road trip how many seconds is equivalent to
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27000

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A rectangle has twice the area of a square. The rectangle has the dimensions of 20 inches by 8
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In order to calculate perimeter, you need to add together the lengths of all four sides of the square. You are given the length of one side. Remember, all sides of a square are equal, so really you already have the measures of each side. Then, you add them together, so 6 + 6 + 6 + 6 = 24 inches.

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When I was 6 my sister was 3. If im 70 now, how old is she. Trying to give away points.
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Two groups of staff at a store are making flowers to decorate the entrance. If Group A were to do it alone, it would take them 1
Tcecarenko [31]

Answer:

\dfrac{6750}{7}

Step-by-step explanation:

Let x be the number of flowers. If Group A were to make x flowers alone, it would take them 10 hours to complete the task, then they make \dfrac{x}{10} flowers in an hour.  If Group B were to make x flowers alone, it would take them 15 hours to complete the task, then they make \dfrac{x}{15} flowers in an hour.

The groups decided to work together. They can make \dfrac{x}{10}+\dfrac{x}{15}=\dfrac{x}{6} together in an hour and it takes them \dfrac{x}{\frac{x}{6}}=6 hours. Group B took a break for 1 hour and 40 minutes (1\dfrac{2}{3} hour), then Group B works

6-1\dfrac{2}{3}=4\dfrac{1}{3} hours.

Thus,

\dfrac{x}{10}\cdot 6-\dfrac{x}{15}\cdot 4\dfrac{1}{3}=300,\\ \\\dfrac{3x}{5}-\dfrac{13x}{45}=300,\\ \\14x=300\cdot 45=13500,\\ \\x=\dfrac{13500}{14}=\dfrac{6750}{7}.

6 0
3 years ago
Solve 5(x/2+3)=35 what is the answer
evablogger [386]

Answer:

x=8

Step-by-step explanation:

5(x/2+3)=35

x/2+3=35/5

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x/2=7-3

x/2=4

x=4*2

x=8

8 0
3 years ago
Read 2 more answers
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