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Talja [164]
4 years ago
6

the equation y=3x+7 shows the relationship between the number of days (x) and the number of stamps alex has collected (y). Predi

ct the number of stamps he will have in 12 days.
Mathematics
1 answer:
san4es73 [151]4 years ago
6 0

Answer:

43 stamps

Step-by-step explanation:

x is the input: x= 12 days

y= the no. of stamps collected total

y= 3(12)+7

y= 36+7

43=43

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Zanzabum

Answer:

42 - 24 * 36

18*36

and rewrite your answer by yourself

7 0
3 years ago
An account earns annual simple interest. Interest earned: $84 principal:$600 interest rate:7% find the time ?
Helen [10]
Simple Interest , I =  PRT/100

Where P = Principal, R = Rate, T = Time in years

Time, T =    (100*I)/(P*R)

T =  100* 84 / (600 * 7)            Use your calculator

T = 2

Time is 2 years.
3 0
4 years ago
Adding fractions with unlike Denominators and Subtracting fractions (PLEASE HELP ME ASAP AND PLEASE ANSWER ALL)
Colt1911 [192]

Answer:1.27,2.83,3.73.

Step-by-step explanation: 1.27 becuase when you add and subtract

6 0
2 years ago
Read 2 more answers
Claire has a hot tub with a diameter of 7 feet. She wants to purchase a cover to protect the hot tub. What is the area
harkovskaia [24]

Answer:

The area  of the cover for the hot tub must be:

  • <u>38 square feet</u>.

Step-by-step explanation:

First, you must understand that since a hydromassage tub is mentioned and the diameter, it is assimilated that it is round in its upper part, which is why the formula is used to find the area of a circle:

  • <u>Area of a circle = pi * radius ^ 2</u> (you must know that the radius is half the diameter)

Since the diameter is mentioned, it can be replaced in the formula:

  • Area of a circle = 3.14 * (3.5 feet) ^ 2
  • <u>Area of a circle = 38,465 square feet. Approximately 38 square feet</u>.
7 0
3 years ago
Read 2 more answers
Please help I need help
Ierofanga [76]

Answer:

Area on a circle = πr² = 3.14 * (3)² = 3.14 * 9 = 28.53

The correct option would be (B) 28.26 sq in

4 0
3 years ago
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