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Stels [109]
3 years ago
6

Please help me on these!! 40 points

Mathematics
2 answers:
Vlad1618 [11]3 years ago
7 0
8) The 4x should have been subtracted from the 8x instead of beating added

9) combine the like terms which are -18x and 5x
Otrada [13]3 years ago
4 0

Answer:

8: when they added -4x and 8x they didn't carry the negative

9: You add -18x and 5x              -13x - 12 = 1

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A town's population is 43200. About 100 people move in to town each month. A nearby town has a population of 50075 and about 175
Nata [24]
Im sorry i give up and
4 0
3 years ago
In a bird sanctuary, 30% of the birds are
Sauron [17]

Answer:  105 of them are hummingbirds.

Step-by-step explanation:

I there are a total of 350  birds then 30% o 350 will give the number o hummingbirds.

350 of 30%

350 * 0.3 = 105

7 0
3 years ago
Luke bought a pair of shoes online for $78. He used a coupon code to get a 40% discount. The website also applied a 20% processi
Alja [10]

Answer:

  • $9.36

Step-by-step explanation:

Te processing fee was applied to the discounted price.

The discounted price is

  • 78 - 40% =
  • 78*(100 - 40)/100 =
  • 78*0.6 =
  • 46.8

Amount of fee is

  • 20% of 46.8 =
  • 0.2*46.8 =
  • 9.36
3 0
2 years ago
A line goes through the points (1,8) and (9,12) what is the slope of the line? <br>Plz explain
Igoryamba

Answer:

2/3 or 0.67

Step-by-step explanation:

Slope = y2 - y1 /x2 - x1

Given

x1 = 1

y1 = 8

x2 = 9

y2 = 12

Slope = 12 - 8 /9 - 1

= 4/6

Reduce is by 2

2/3

Or

0.67

8 0
3 years ago
HELP ASAP CAUSE ITS DUE TODAY AND I DIDN'T FINISH IT!!!!!! <br><br><br>im sorry-!
Serjik [45]

Answer: 1 = 8 cups because 2 x 4 = 8.

2. 35... 7 x 10 = 70, 70 / 2 = 35

      1  

3.  20.53 + 1.55 + 0.02..        line up decimals!

<u> +    1.55</u>

   22.08

4. Mean is average.

so add up all the numbers and divide by the amount of numbers you added

18+9 = 27, 27 + 15 = 42, 42 + 11 = 53, 53 + 13 = 66, 66 + 15 = 81.

81 divided by 6 = 13.5 or 13 1/2.

5. c = 5b

b=55

c = 5 x 55

5 x 55 = 275.

c = 275.

<u>NEXT PAGE</u>

<u></u>

1. 48, 6 x 8 = 48.

2. 6, 4 x 3 = 12, 12 / 2 = 6

       1

3. 9. 12 + 5.78 + 6.01

   5.78

<u>+  6.01</u>

  20.91

4. 36 + 42 + 66 + 54 + 23 = 221, 221 / 5 = 44.2 or 44 1/5

5. t = 20c         c = 21

t = 20 x 21 = 420

t = 420.

4 0
3 years ago
Read 2 more answers
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