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mrs_skeptik [129]
3 years ago
11

Please help me with this math

Mathematics
1 answer:
mylen [45]3 years ago
6 0
Because ΔCDF is similar to ΔBDE, the corresponding sides are proportional
CD:BD=FD:ED
(3.63+5.19):5.19=(x+4.45):4.45
5.19(x+4.45)=(3.63+5.19)*4.45
5.19x+5.19*4.45=3.63*4.45+5.19*4.45
5.19x=3.63*4.45=16.1535
x≈3.11

you can also do DB:BC=DE:EF. You'll get the same result.
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Can someone solve for n please❤️
zvonat [6]

Answer:

um I did this in my head but -20/3

Step-by-step explanation:

-6/5N × -5/6= 8× -5/6

simplify

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8 0
3 years ago
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A delivery truck is transporting boxes of two sizes: large and small. The combined weight of a large box and a small box is 60 p
boyakko [2]

Answer:

  • large: 40 lbs
  • small: 20 lbs

Step-by-step explanation:

A system of equations can be written for the weights of the boxes based on the relationships given in the problem statement. One equation will be for the total weight of 1 large and 1 small box; the other will be for the total weight of 70 large and 60 small boxes.

Let L and S represent the weights of Large and Small boxes, respectively. The system of equations is ...

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We can solve this by substituting for s in the second equation.

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7 0
3 years ago
1 3/4 divided by 1/2-1 1/2 to the 3rd
Marina CMI [18]

Answer:

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Step-by-step explanation:

1. If the problem is; (1 3/4) / (1/2 - 1 1/2)^(3)

<u>(a). Convert to improper fractions;</u>

(7/4) / (1/2 - 3/2)^3

<u>(b). Simplify;</u>

(7/4) / (-2/2)^3

(7/4) / (-1)^3

(7/4) / (-1)

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2. If the problem is; ((1 3/4) / (1/2)) - (1 1/2)^3

<u>(a). Convert to improper fractions;</u>

((7/4)/ (1/2)) - (3/2)^3

<u>(b). Simplify;</u>

((7/4)/ (1/2)) - (3/2)^3

((7/4)*(2/1)) - (27/8)

(7/2) - (27/8)

(28/8) - (27/8)

1/8

6 0
3 years ago
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snow_lady [41]
What is this question asking
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3 years ago
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tatyana61 [14]

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Step-by-step explanation:

Use long division.

6, 392 divided by 5

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