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leonid [27]
3 years ago
12

An arithmetic sequence has first term a The 4th term of the sequence is ka, The 7th term of the sequence is 9a. Find the value o

f k​
Mathematics
1 answer:
Otrada [13]3 years ago
5 0

Answer:

the value for k is 7 please do you get it

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5/4 hour = __ minutes
Rudik [331]

Answer:

hour= 1.25

MINUTES ANSWER= 75 minutes

Step-by-step explanation:

hope that helps>3

5 0
3 years ago
Read 2 more answers
The total cost, in dollars, to order x units of a certain product is modeled by C(x)=5x²+320 . According to the model, for what
lora16 [44]

Answer:

The minimum cost per unit is obtained for an order of 8 units.

Step-by-step explanation:

Since the total cost is modeled by;

C(x)=5x²+320

Then;

1 unit costs; C(x)=5(1)²+320 = 325

cost per unit 325/1 = 325

8 units costs; C(x)=5(8)²+320 = 640

cost per unit = 640/8 = 80

80 units costs; C(x)=5(80)²+320 = 32320

Cost per unit = 32320/80 = 404

The minimum cost per unit is obtained for an order of 8 units.

7 0
3 years ago
The table shows the record low temperatures for several states. Graph the temperatures on a number line.
OlgaM077 [116]

Step-by-step explanation:

Please find the attachment.

We have been given a table that shows the record low temperatures for several states. We are asked to graph the temperatures on a number line.

First of all we will draw a number line going to infinity into both directions.  

To graph the given temperatures on number line let us arrange temperatures in less negative order.  

-34, -32, -30, -29, -27.  

Since we know that numbers with large negative values lie on the left at number line. Let us graph our large negative temperature on the left at our number line.      

We can see that -34 is the most negative temperature, therefore, it will be on the left most side of our number line.  

-27 is greatest of our given negative temperatures. -27 is less negative temperature than our other given low temperatures, therefore, it will lie on the right most side of our number line.  

Other temperatures will lie between these two values according to their temperatures.    

-32 is second large negative temperature after -34, therefore, it will lie on the right side of -34.

-30 will lie on the right side of -32 and -29 will lie on the right of -32.


4 0
3 years ago
Mr. Chen write the expression 4 x (7 - 2^2) divided by 10 on the board. What is the value of the expression?
Sauron [17]

Answer: 120x

Step-by-step explanation:

8 0
3 years ago
Dr. Cox just started an experiment. He will collect data for 4 days. How many hours is this
patriot [66]

Answer:

96

Step-by-step explanation:

Ok so how many is in a day?

24 hours! Right!

If you does this for 4 days that's 24 × 4! Which is ..

96!

Unless there are more details its 96!

5 0
3 years ago
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