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Vera_Pavlovna [14]
3 years ago
10

Solve the system of equations and choose the correct answer from the list of options.

Mathematics
1 answer:
Nuetrik [128]3 years ago
3 0

Answer:

2) (3, -2)

Step-by-step explanation:

d + e = 1

- d + e = - 5

__________+

0 +2e = -4

e = -4/2 = -2

d = 1-(-2) = 3

so, (d, e) => (3, -2)

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Put the following numbers in order from smallest to largest, with the smallest value at the top of the list.
Kobotan [32]

Answer:

The right order is:

  1. <u>0.085</u>
  2. <u>1/3</u>
  3. <u>2/5</u>
  4. <u>60%</u>
  5. <u>3/4</u>
  6. <u>78%</u>
  7. <u>1.05</u>

Step-by-step explanation:

To identify the right order of the numbers given in order from the smallest to largest, you first must convert all the numbers to the same mode (fractions, decimals or percentages), in this case, I will transform all the numbers to decimals, for this you must divide the fractions or operate the percentages, and you will obtain:

  • 0.085 = 0.085
  • 1/3 = 0.33333333333
  • 60% = 0.6
  • 2/5 = 0.4
  • 3/4 = 0.75
  • 1.05 = 1.05
  • 78% = 0.78

How you can see, <em>in this form is easier than the original form, now you can identify that 2/5 (0.4) is smaller than 60% (0.6) and 1.05 is bigger than 78% (0.78)</em>.

4 0
3 years ago
Jisoo drank 3/8 of a quart of chocolate milk, and his friend Andrew drank 2/7 of the same quart. How much did they drink altoget
elixir [45]

Answer:

37/56

Step-by-step explanation:

If Jisoo drank 3/8 of a quart of chocolate milk, and his friend Andrew drank 2/7 of the same quart, the amount they drank altogether will be the sum of the amount they drank individually

Total = 3/8 + 2/7

Find the LCM

Total = 3(7)+8(2)/56

Total = (21+16)/56

Total = 37/56

Hence they drank 37/56 of the quartz altogether

8 0
3 years ago
2(2x + 3)^2– 7(2x + 3) - 4
Lana71 [14]

Answer:

Solution in photo

Step-by-step explanation:

5 0
3 years ago
slope and y-intercept from graphs, I don't know if I am right and I don't know how to finish it even tho I have noted, can someo
Len [333]

Answer:

I think 5 is right and the slope is either -1/2 or -2/1

8 0
3 years ago
Read 2 more answers
To convert 45,000 inches into miles, which two ratios could you multiply by?
Andru [333]
To convert 45000 inches into miles first you have to find out how much is miles to inches then divide you should 0.4500
8 0
3 years ago
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