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lozanna [386]
4 years ago
6

Jay Feltcher deposited $3,400 into a retirement account. Find the rate if he has $3,494.50 in the account 9 months later.

Mathematics
2 answers:
Tom [10]4 years ago
8 0
7.4 is the correct answer
wlad13 [49]4 years ago
6 0

Answer:

3.7%

Step-by-step explanation:

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2. CHEMISTRY How many liters of 15% acid and
Wewaii [24]

Answer:  

<h3>         26²/₃ liters of 15% acid and 13¹/₃ liters of 33% acid</h3>

Step-by-step explanation:

Concentration            Amount of             Amount

of Solution                   Solution (L)             of Acid

    15%                                x                         0.15x

    33%                               y                         0.33y

    21%                              40                      0.21•40      

       

x + y = 40    ⇒  x = 40 - y

0.15x + 0.33y = 0.21•40

0.15(40 - y) + 0.33y = 0.21•40

6 - 0.15y + 0.33y = 8.4

  0.18y = 2.4

        y = 13¹/₃

x = 40 -  13¹/₃ = 26²/₃

8 0
3 years ago
A ________ is a range of values between which the value of the population parameter is believed to be, along with a probability
nignag [31]
The best answer out of the ones provided would be c, confidence interval
3 0
3 years ago
Read 2 more answers
Petra fills a small cardboard box with sand. The dimensions of the box are 3 inches by 4 inches by 2 inches. What is the volume
mr Goodwill [35]

Answer: 24 in³

Step-by-step explanation:

You know that the dimensions of the box are:

3 inches.

4 inches.

2 inches.

As each face of the cardboard box is a rectangle, you can conclude that it has the form of a rectangular prism.

Therefore, to calculate the volume of the box, you must multiply the dimensions given in the problem.

Therefore, you obtain that the volume of the box is:

V=(3\ in)(4\ in)(2\ in)\\V=24\ in^3

8 0
4 years ago
A college student is preparing a course schedule for the next semester. The student must select one of three mathematics courses
kompoz [17]

Click on the photo to see the full attachment.

5 0
3 years ago
6) −3 + 3k = −27<br> solve
erma4kov [3.2K]

Answer:

k = -8

Step-by-step explanation:

−3 + 3k = −27

⇔ -3 + 3k +3 = -27 +3

⇔ 3k = -24

⇔ k = -8

7 0
3 years ago
Read 2 more answers
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