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nlexa [21]
3 years ago
10

PlS Help fast will give brainliest if correct

Mathematics
1 answer:
WITCHER [35]3 years ago
4 0

Answer:

900% or 9 times the size

Step-by-step explanation:

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Plz Help! ASAP!!!!
vekshin1

Answer:

Do you still need help?

Step-by-step explanation:

7 0
3 years ago
8х + 7y= -5<br> X= -3y - 7
GrogVix [38]

Answer:

x = 2

y = -3

Step-by-step explanation:

Step 1: Write systems of equation

8x + 7y = -5

x = -3y - 7

Step 2: Solve for <em>y</em>

  1. Substitute 2nd equation into 1st: 8(-3y - 7) + 7y = -5
  2. Distribute 8: -24y - 56 + 7y = -5
  3. Combine like terms: -17y - 56 = -5
  4. Add 56 to both sides: -17y = 51
  5. Divide both sides by -17: y = -3

Step 3: Solve for <em>x</em>

  1. Substitute <em>y</em> to find <em>x</em>: x = -3(-3) - 7
  2. Multiply: x = 9 - 7
  3. Subtract: x = 2

Step 4: Check

<em>Plug in x, y into an original equation to verify it's a solution.</em>

2 = -3(-3) - 7

2 = 9 - 7

2 = 2

4 0
2 years ago
Read 2 more answers
PLEASE HELP
jeka94

Answer:

91.92%

Step-by-step explanation:

Given that:

Mean (μ) = 6.2, standard deviation (σ) = 1.5

Z score is a measure in statistics to determine the relationship of a measured value with the mean. It is given by the equation:

z=\frac{x-\mu}{\sigma}

To calculate the probability that a patient has a blood test result less than or equal to 8.3, we need to calculate the z score of 8.3

For x = 8.3, the z score is:

z=\frac{x-\mu}{\sigma}=\frac{8.3-6.2}{1.5} =1.4

From the probability distribution table:

P( x ≤ 8.3) = P(z < 1.4) = 0.9192 = 91.92%

7 0
3 years ago
IM BEING TIMED HELPPPPPPPPPPPPPPPPPPPPPPPPP
ch4aika [34]

Answer:

I believe the answer is B!

5 0
3 years ago
Read 2 more answers
The Garrett family traveled 1,280 miles in 4 days on their driving vacation.
natta225 [31]

Answer:

320

Step-by-step explanation:

6 0
3 years ago
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