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Stolb23 [73]
3 years ago
15

-3 2/3 + 2 2/5= Please help

Mathematics
1 answer:
Anton [14]3 years ago
7 0

Answer:

-19/15 or -1  and 4/15

you can turn them into improper fractions then do the butterfly method

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Please help with 6 and 7
Ilya [14]

Answer:

6. The number is -5

7. The two numbers are 10 and 11

Step-by-step explanation:

Question six can be re-worded to create the following expression:

-2=\frac{4x+10}{5}

Solve for x to find the number:

-2=\frac{4x+10}{5}\\-10=4x+10\\-20=4x\\\frac{-20}{4} = x\\-5 = x

Question seven can be solved by first listing the constraints (assuming x is smaller than y):

  1. x and y are less than 20
  2. x + 1 = y
  3. 3x - 8 = 2y

To get the numbers, we can create a system of linear equations. First, solve for y in each expression:

y = x+1

2y = 3x-8\\y = \frac{3}{2}x - 4

Solve for x:

x+ 1 = \frac{3}{2}x - 4\\x + 5 = \frac{3}{2}x\\5 = \frac{3}{2}x - x\\5 = \frac{1}{2}x\\10 = x

Solve for y:

y = x + 1\\y = 10 + 1\\y= 11

4 0
2 years ago
Read 2 more answers
Write AB−⇀− with A(−7,5) and B(−3,−7) in component form.
Sladkaya [172]

Answer:

ANSWER: (4, -12)

Step-by-step explanation:

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8 0
2 years ago
Juan is going to flip a coin 2 times. What is the fractional probability that it will be two heads
sertanlavr [38]

Answer:

The fractional probability of getting 2 heads is 1/4.

4 0
3 years ago
Find the area of the shaded region
xxTIMURxx [149]

Answer:

25.12

Step-by-step explanation:

8π = P

3 0
3 years ago
Can someone help with this problem
WARRIOR [948]
35+25=60
y=60


If you add the opposite side values of the triangle (not the one touching the y), you get the value of y). 35+25=y
This works because y+x= 180 and the three angles of a triangle add to 180.
4 0
3 years ago
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