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ad-work [718]
4 years ago
12

keiko, chang, and scott sent a total of 130 text messages over their cell phones during the weekend. Scott sent 10 fewer message

s than Keiko. Chang sent 4 times as many messages as scott. How many messages did they each send?
Mathematics
1 answer:
Olenka [21]4 years ago
8 0
Keiko sent 30 text messages Scott sent 20 text messages chang sent 80
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Factor the following:<br><br> x2+12x+35
Gelneren [198K]

Answer:

x = 6 - √ 71

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
PLEASE HELP
kolbaska11 [484]

Answer:

  • a) P(x) = 32000*1.04^x
  • b) $37435
  • c) During year 7

Step-by-step explanation:

<u>Given</u>

  • Initial pay = $32000
  • Increase rate = 4%

a. <u>Formula</u>

  • P(x) = 32000*1.04^x

b. Year 5 is after 4 years, so we are looking for the value of P(4)

  • P(4) = $32000*1.04^4 = $37435

c. <u>P(x) = 40000, x = ?</u>

  • 40000 = 32000*1.04^x
  • 1.04^x = 40000/32000
  • 1.04^x = 1.25
  • log 1.04^x = log 1.25
  • x = log 1.25 / log 1.04
  • x = 5.69, this is 6 years after

The required number of the years is 6 + 1 = 7

3 0
3 years ago
Which measure of center is most representative of the data? Explain
sukhopar [10]
12 years. That is the most representative because it's the median.
4 0
3 years ago
Six times a number a number increased by three is negative twenty-one. Find the number and write the equation
salantis [7]

let number be x

6x+3= -21

6x=-24

x=-4

3 0
3 years ago
50 points and BRAINLIEST<br><br> .15m - .13m = 69.96 - 55.96
weeeeeb [17]

Answer:

m=7

Step-by-step explanation:

15m−13m=69.96−55.96

Step 1: Simplify both sides of the equation.

15m−13m=69.96−55.96

15m+−13m=69.96+−55.96

(15m+−13m)=(69.96+−55.96)(Combine Like Terms)

2m=14

2m=14

Step 2: Divide both sides by 2.

2m

2

=

14

2

5 0
3 years ago
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