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Alex
3 years ago
10

Can you plz help me i need it

Mathematics
1 answer:
Snowcat [4.5K]3 years ago
3 0

Answer:

v= -2

Step-by-step explanation:

2v + 7 = 3

(-7 both sides)

2v = -4

(divide bu 2 on both sides)

v = -2

hope this helps!!!!!  :)

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13 POINTS! EVALUATE AND SHOW ALL WORK
padilas [110]

Answer:

  • 0

Step-by-step explanation:

<u>Solving in steps</u>

  • 3| 4.5 - 2| - 5 |-1.5 -(- 3)| =
  • 3 |2.5| -5 |-1.5 + 3| =
  • 3*2.5 - 5|1.5| =
  • 7.5 - 5*1.5 =
  • 7.5 - 7.5=
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3 0
3 years ago
A cell phone company charges a monthly fee plus 0.25 for each text message. The monthly fee is $30.00 and you owe $59.50. How ma
kogti [31]
238 messages. 
59.50 divided by 0.25 equals to 238

8 0
3 years ago
HELP PLEASE! Thank you
Lostsunrise [7]

Answer:

2000

Step-by-step explanation:

Hello,

A or C means 2 ways

and then a digit means 10 ways 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

so in total we have 2*10*10*10 = 2000 possible codes

Hope this helps

5 0
3 years ago
4. Sam's parents are teachers who commute 45 miles roundtrip to work 5 2 days a week. His parents spend $38 on gasoline each wee
Marat540 [252]
<h2>Answer:</h2><h2>The correct option is d. (i) and (ii)</h2>

Step-by-step explanation:

The total miles covered per day = 45

No of commuting days in a week = 5

Total miles in a week = 45 * 5 = 225

The total amount spent on gasoline = $ 38

Cost of gasoline per gallon = $ 2.48

The number of gallons consumed per week = \frac{38}{2.48} = 15.32 gallons of gasoline per week.

This confirms (ii) statement

The amount spend on gasoline per mile = \frac{38}{225} = $0.17

This confirms (i) statement

The number of miles per gallon of gasoline = \frac{225}{15.32} = 14.68 miles

The statement (iii) is false.

7 0
2 years ago
A company sells widgets. The amount of profit, y, made by the company, is related to the selling price of each widget, x, by the
RUDIKE [14]

9514 1404 393

Answer:

  $1571

Step-by-step explanation:

If we assume that y is profit in dollars, the maximum value of y is revealed by a graph to be ...

  ymax = $1571

The maximum profit the company can make is $1571 at a selling price of $45 each.

_____

The function can be written in vertex form as ...

  y = -(x^2 -90x) -454

  y = -(x^2 -90x +45^2) -454 +45^2

  y = -(x -45)^2 +1571

Because the leading coefficient is negative, we know this vertex represents a maximum. (x, y) = (45, 1571) at the vertex. Maximum profit is $1571.

8 0
2 years ago
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