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AVprozaik [17]
3 years ago
15

AHHH PLEASE HELP PLEASE PLEASE PLEASE

Mathematics
2 answers:
Over [174]3 years ago
7 0
You deposit $350 in savings account. The account earns 2.5 simple.
kenny6666 [7]3 years ago
6 0

Answer:

t = 1.5 = 1 ½ years

Explanation:

I = Prt

I is the interest in money, P is the principle in money, r is the rate, and t is the time in years

Given I = $174, P = $1450, and r = 8%.

Rearrange the formula so that t is being solved for:

I = Prt → I / Pr = Prt / Pr → I / Pr = t →

t = I / Pr.

Then substitute:

t = I / Pr → t = (174) / (1450)(8%) →

(174) / (1450)(0.08)

x% = x / 100.

(174) / (1450)(0.08) → 174 / 116 → 87 / 58 → 87 ÷ 29 / 58 ÷ 29 → 3/2.

3/2 = 1.5 = 1 ½.

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The number of bagels sold daily for two bakeries is shown in the table:
ivann1987 [24]

Going by the data given, the best center of distribution to use in terms of mean and median is D) Mean for Bakery A because the data is symmetric; median for Bakery B because the data is not symmetric.

<h3>What centers of distribution should be used?</h3>

The mean should be used for data sets that are symmetric while the median should be used for data that is not symmetric.

The data is said to be symmetric when the mean and median are equal or very close.

Bakery A mean:

= (45 + 52 + 51  48 + 61 + 34 + 55  46) / 8

= 49

Bakery A median is 49.5

Bakery B mean:

= (48  42 + 25  45 + 57 + 10 + 43 + 46 ) / 8

= 39.5

Bakery B median is 44.

This shows that Bakery A data is symmetric so the best center of distribution to use is mean.

Bakery B is not symmetric so the center of distribution to use is median.

Find out more on symmetric data at brainly.com/question/7130507

#SPJ1

8 0
1 year ago
in 2005 a car was sold new for $12,500. in 2008 value of the car was $8750. find the percent. decrese
Lady_Fox [76]
N-O
———-
O

(New - old
—————
O)

8750-12500
——————-
12500

-3750
————
12500

=030%
7 0
3 years ago
John can mow a lawn in 80 minutes. Rocky can mow the same lawn in 120 minutes. How long does it take for both John and Rocky to
mario62 [17]

Answer: it will take them 48 minutes.

Step-by-step explanation:

John can mow a lawn in 80 minutes. This means that the rate at which he moans the lawn per minute is 1/80

Rocky can mow the same lawn in 120 minutes. This means that the rate at which Rocky can mow the same lawn per minute is 1/120

If they work together, they would work simultaneously and their individual rates are additive. This means that their combined working rate would be

1/80 + 1/120 = 200/9600 = 1/48

Assuming it takes t hours for both of them to clean the room working together, the working rate per hour would be 1/t. Therefore,

1/48 = 1/t

t = 48 minutes

4 0
2 years ago
A store is having a sale on walnuts and chocolate chips. For 7 pounds of walnuts and 9 pounds of chocolate chips, the total cost
Jlenok [28]

Answer:

  • Walnuts  cost $1.75, chocolate chips cost $2.75

Step-by-step explanation:

<h3>Let the costs be:</h3>

  • Walnuts - x
  • Chocolate chips - y

<h3>Set equations as per question</h3>

For 7 pounds of walnuts and 9 pounds of chocolate chips, the total cost is $37:

  • 7x + 9y = 37

For 5 pounds of walnuts and 3 pounds of chocolate chips, the total cost is $17:

  • 5x + 3y = 17

<h3>Solve the system by elimination</h3>

Multiply the second equation by 3 and subtract the first equation, solve for x:

  • 3(5x + 3y) - (7x + 9y) = 3(17) - 37
  • 15x + 9y - 7x - 9y = 51 - 37
  • 8x = 14
  • x = 14/8
  • x = 1.75

Find the value of y:

  • 7*1.75 + 9y = 37
  • 12.25 + 9y = 37
  • 9y = 37 - 12.25
  • 9y = 24.75
  • y = 24.75/9
  • y = 2.75
6 0
1 year ago
Find the sum of the sequence 36 37 38 39 ... 109=
uysha [10]
It's an arithmetic sequence:

a_1=36;\ a_2=37;\ a_3=38;\ ...\ ;\ a_{74}=109\\\\S_n=\dfrac{a_1+a_n}{2}\cdot n\\\\a_1=36;\ n=74;\ a_{74}=109\\\\S_{74}=\dfrac{36+109}{2}\cdot74=\dfrac{145}{2}\cdot74=72.5\cdot74=5365
8 0
3 years ago
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