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MrRissso [65]
3 years ago
10

Help me...... question: 12 + 2x - 14x + 8=

Mathematics
2 answers:
Tasya [4]3 years ago
5 0
Answer : -12x + 20 :)
riadik2000 [5.3K]3 years ago
4 0

Answer:

-12x+20

Step-by-step explanation:

Subtract similar numbers:

2x - 14x = -12x

Product:

12 - 12x + 8

Group the terms that are similar:

-12x + 12 + 8

Add the numbers:

-12x + 20

Final answer:

-12x + 20

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Based on the tree diagram below, what is the probability that a student doesn't have lice, given that the student tested negativ
oee [108]

Answer:

Option D (APEX)

Step-by-step explanation:

L= Student has lice

NL= Student has no lice

PT=Test Shows positive

NT=Test Shows negative

P(\frac{NT}{NL}) =0.7708 (Probability that a student has no lice and the test shows negative)

P(\frac{NT}{L}) = 0.0108 ( Probability that a student has lice and the test shows negative)

  1. P\frac{NT}{NL} = \frac{P\frac{NT}{NL} }{P\frac{NT}{NL} +P\frac{NT}{L} }
  2. \frac{0.7708}{0.7708+00108}
  3. \frac{0.7708}{0.7816}
  4. 0.98618219 (Simplify)

<u> Terms Of Percentages</u>

0.98618219 × 100

=98.6

Therefore your answer is 98.6% (Option D)

APEX

3 0
3 years ago
Read 2 more answers
My lil sis-<br> pls answer part a and b
Yakvenalex [24]

Answer:

part A you have correct.

is there a 'D" for part B? A through C answers don't seem correct.

after a response from the poster, "D" was the correct answer.

re-posting it because some random person deleted it.

3 0
3 years ago
Please will give brainliest and thanks
il63 [147K]
X = 5 for the first one
7 0
3 years ago
By solving substitution y=4x-6<br> Y= 5x how I need steps
stiv31 [10]

Answer:

x= -6

Step-by-step explanation:

y=4x-6

y=5x, so where ever you see y, put 5x there.

hence, 5x=4x-6

5x-4x=-6

x= -6

5 0
3 years ago
A scale drawing for a rectangular parking lot measures 7 cm by 13. 3 cm. The scale is 1 cm : 25 m. Find the area of the parking
AleksandrR [38]

Answer:

58,187.5 m²

Step-by-step explanation:

1 cm : 25 m

7 cm = 25 × 7 m

7 × 25 = 175 m

13.3 × 25 = 332.5 m

area = 332.5 m × 175 m

7 0
2 years ago
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