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SVEN [57.7K]
3 years ago
15

PLEASE HELP I AM BEING TIMED!! A company gives each new salesperson a commission of $300 for the sale of a new car. The salesper

son will receive a $100 increase for each additional car the person sells that week, so the person gets $400 for the next sale that week. which equation can find the number of car as a salesperson must sell to earn $4200 in a week? Recall that a1+d(n-1) is equivalent to an.

Mathematics
2 answers:
Fed [463]3 years ago
6 0

Answer:

the choice u selected is correct

Step-by-step explanation:

Mademuasel [1]3 years ago
3 0

Answer:

I would say B

Hope This Helps!   Have A Nice Day!!

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Complete the point-slope equation of the line through (1,3)(1,3)left parenthesis, 1, comma, 3, right parenthesis and (5,1)(5,1)l
Anarel [89]

Answer:

y - 3 = -1/2(x-1)

Step-by-step explanation:

Given the coordinates (1, 3) and (5,1). The point slope form is expressed as;

y - y0 = m(x-x0)

m is the slope

(x0, y0) is the required point

Get the slope

m = 1-3/5-1

m = -2/4

m = -1/2

Using the point (1,3), substitute

y - 3 = -1/2(x-1)

2(y-3) = -(x-1)

Hence the required equation is y - 3 = -1/2(x-1)

7 0
3 years ago
Factor 6X to the fourth power minus 5X squared +12 X squared -10 by grouping what is the resulting expression
algol13

Answer:

(6x^2 - 5)(x^2 + 2).

Step-by-step explanation:

6x^4 - 5x^2 + 12x^2 - 10

= 6x^4 + 12x^2 - 5x^2 - 10

= 6x^2(x^ + 2) - 5(x^2 + 2)

(x^2 + 2) is common so we have:

(6x^2 - 5)(x^2 + 2).

5 0
3 years ago
The sum of the digits of a two-digit positive integer is seven. Subtracting 45 from this integer yields another two-digit intege
Firdavs [7]

Answer:

61

Step-by-step explanation:

Reversing the digits of a 2-digit number changes its value by a multiple of 9. The multiple is the difference between the digits. Here, the value is changed by 45 = 5·9, so the difference between the two digits is 5. We are told their sum is 7, so the digits must be 1 and 6. The larger digit is in the tens place to make this problem work out right.

The original integer is 61.

_____

Solution using a single variable

Let t represent the original digit that is in the 10s place. Then 7-t is the units digit and the value of the original number is ...

10t +(7-t) = 9t +7

The value of the number with the digits reversed is ...

10(7-t) +t = 70-9t

The difference between these two numbers is said to be 45, so we have ...

(9t +7) -(70 -9t) = 45

18t -63 = 45

18t = 108

108/18 = t = 6

The tens digit is 6, so the units digit is 7-6=1. The original number is 61.

_____

Solution using two variables

Let t and u represent the tens and units digits of the number respectively. Then we have ...

t + u = 7

(10t+u) -(10u+t) = 45

The second equation simplifies to ...

9t -9u = 45

9(t -u) = 45 . . . . . . the relationship between the digits described above

t -u = 5 . . . . . . . . . divide by 9

Now, we can add this equation to the one expressing the sum of digits:

(t +u) +(t -u) = (7) +(5)

2t = 12

t = 6

u = 7-t = 1 . . . . . from the first equation (t+u=7)

The original number is 61.

3 0
3 years ago
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how many cookies? for 2 cups

Step-by-step explanation:

2

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3 years ago
Find the area of the shaded region. round to the nearest hundredth. use 3.14 for pi.
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What is the shaded area
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