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stich3 [128]
3 years ago
12

4m+9+5m-12=43 simplify and solve

Mathematics
1 answer:
bonufazy [111]3 years ago
7 0
<span>4m+9+5m-12=43
9m - 3 = 43
9m = 43 + 3
9m = 46
m = 46/9 = </span>5 \frac{1}{9}
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After eating dinner at a restaurant Lucy bill before tak is $48.00 the sales tax rate is 8% Lucy decided to leave a 20% tip for
posledela

Answer:

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7 0
3 years ago
Here is a list of numbers: 13, 15, -6, 8, -16, 2, -12 ,3 ,-18 ,-18 state the median.
DiKsa [7]

The median of list of numbers is-2.

Given the list of numbers is 13,15,6,8,-16,2,-12,3,-18,-18.

The median is the median of a sorted list of numbers. To find the median of a sequence of numbers, the numbers must be sorted in order from lowest to highest or highest to lowest.

Firstly, we will arrange the number from ascending to descending, we get

-18,-18,-16,-12,-6,2,3,8,13,15.

Now, we will find the middle term of the sequence, we get

The middle terms are -6 and 2.

Further, we will find the median of it.

n=(-6+2)/2

n=-4/2

n=-2

Hence, the median of the list of numbers 13, 15, -6, 8, -16, 2, -12 ,3 ,-18 ,-18 is -2.

Learn more about median from here brainly.com/question/15796951

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7 0
2 years ago
Fifteen 7th graders were asked how many hours they spend doing homework each week and how many hours they spend watching televis
timama [110]

Answer:

A.

  • 18 > 14, true

B.

  • 12 - 16 = -4, true

C.

<u>Mean:</u>

  • Homework = (4 + 6*2+10*3+12*2+14*4+16*2+18)/15 = 11.73
  • Television = (0 + 10*3+12*1+16*3+18*4+20*3)/15 = 14.8

<u>The difference:</u>

  • 14.8 - 11.73 > 1, NOT true

D.

  • True
3 0
3 years ago
Simplify this expression. 67 ÷ 65
TEA [102]

Answer:

it should be 67/65 or if in mixed number form :  1  2/65

6 0
3 years ago
Read 2 more answers
What are the excluded values of x for x^2-9x/ x^2 -7x-18
miv72 [106K]

Answer:

3rd option

Step-by-step explanation:

the denominator cannot be zero as this would make the expression undefined.

equating the denominator to zero and solving gives the values that x cannot be.

x² - 7x - 18 = 0 ← in standard form

(x - 9)(x + 2) = 0 ← in factored form

equate each factor to zero and solve for x

x - 9 = 0 ⇒ x = 9

x + 2 = 0 ⇒ x = - 2

then

x = - 2, x = 9 ← are the excluded values

5 0
2 years ago
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