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7nadin3 [17]
3 years ago
15

Write the below algebraic expression in words 3x+ (x)=10 2

Mathematics
1 answer:
enyata [817]3 years ago
3 0

Answer:

Step-by-step explanation:

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A hiker on the Appalachian Trail planned to increase the distance covered by 10% each day. After 7 days, the total distance trav
Anastaziya [24]

Answer:

  6.0 miles

Step-by-step explanation:

The sequence of distances is a geometric sequence with first term a1 and common ratio (1 +10%) = 1.10. The sum of 7 terms of the sequence is ...

  S7 = a1·(r^7 -1)/(r -1)

  56.923 = a1·(1.1^7 -1)/(1.1 -1)

  5.6923 = a1·0.9487171

Dividing by the coefficient of a1 gives its value:

  5.6923/0.9487171 ≈ 5.999997 ≈ 6.000

The hiker traveled 6.0 miles on the first day.

5 0
2 years ago
1. A sum of money is shared among Jessica, Amanda, and Beverly in the ration 8:9:3
astra-53 [7]

Answer:

$200

Step-by-step explanation:

Amanda       Beverly

     9         :       3

difference between Amanda and Beverly = 9 - 3 = 6 portions.

∴ value of 6 portions = $60

   value of 1 portion  =  $ 60 / 6

                                  = $10

Total no. of portions = 8 + 9 + 3 = 20

Total sum of money to be shared = value of 1 portion x Total no. of portions

                                                         = $10 x 20

                                                         = <u>$200</u>

8 0
2 years ago
Preschoolers has 15 boys and 12 girls what is the ratio of the girls to boys
lukranit [14]
4 girls to every 5 boys.

8 0
3 years ago
Read 2 more answers
If the three angles of a triangle<br> are equal, what is the<br> measurement of each angle?
erik [133]

Answer:

60 degrees

Step-by-step explanation:

A triangle adds up to 180 degrees. 180 divided by 3 is 60. The answer is 60 degrees.

7 0
3 years ago
Read 2 more answers
A scale drawing of a rectangular park measures 7.5 inches long and 4 inches wide. if the scale used for the drawing is 2.5 inche
klasskru [66]

Answer:

45 yards by 24 yards

Step-by-step explanation:

You would have to first find out how many 2.5 increments are in each of the two lengths. Then multiply that number by 15

6 0
3 years ago
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