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maw [93]
3 years ago
12

What positive whole number can you multiply by 3 and add1,or multiply by 2 and add 8?

Mathematics
1 answer:
Vilka [71]3 years ago
3 0

Answer:

7 is the positive whole number which we can multiply by 3 and add 1, or multiply by 2 and add 8; and it will give the same answer.

Step-by-step explanation:

Multiplying the positive whole number 7 by 3 and adding 1 will get:

(7 × 3) + 1 = 21 + 1 = 22

Multiplying the positive whole number 7 by 2 and adding 8 will get:

(7 × 2) + 8 = 14 + 8 = 22

Therefore, 7 is the positive whole number which we can multiply by 3 and add 1, or multiply by 2 and add 8; and it will give the same answer.

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Jason had $32. He spent all the money on buying 4 CDs for $x each and 2 magazines for $y each. If Jason had bought 5 CDs and 2 m
Leni [432]
You can set up two equations from the information given. I will set them up for you:

32 = 4x + 2y
36 = 5x + 2y

Let's solve the first equation to come up with a value for y.

32 = 4x + 2y
32 - 4x = 2y
16 - 2x = y

Now we plug y into the other equation.

36 = 5x + 2(16-2x)
36 = 5x + 32 - 4x
4 = x

Now we have our real x value and we can plug it into the first equation.

32 = 4(4) + 2y
32 = 16 + 2y
16 = 2y
8 = y

Since x = 4 and y = 8, you get the final coordinates of (4,8).

Your answer is the second statement provided above.
3 0
3 years ago
The diagonal of a rectangle is 30 inches and the length of the rectangle is 24 inches.
RoseWind [281]

Answer:

area=432

Step-by-step explanation:

use the Pythagoras theory now that you know the width and you'll get the length and the width then you multiply both of them hope it helps you.

6 0
3 years ago
Frank stands 400 feet from the base from the Statue of Liberty. If the Statue of Liberty is 306 feet tall, what is the angle of
Black_prince [1.1K]
                                                           Top of Statue                                                                    |           
                                                                    |
                                                                    |
                                                                    |
Frank -----------------------------------------------Base      

  Frank - Base = 400 ft
  Base- Top statue = 360 feet
  Angle of elevation =Angle Top-Franck-Base, let it be angle Ф
  
  tan (Ф) = 360/400 = 0.9
  arc tan (0.9) = tan⁻¹(0.9) = 41.98 , 

 Ten angle of elevation Ф ≈ 42°


7 0
3 years ago
Read 2 more answers
The value of 4a( a - 3 ) is :
liubo4ka [24]

Answer:

Its -12 if a is meant to be multiplied

3 0
2 years ago
2.
BlackZzzverrR [31]

Answer:

D.

Step-by-step explanation:

f(x) increases by 2 as x increases by 1 x value.

We know it isn't A since and x value plue 2 would not equal the y value.

But if you multiply each x-value by 2 you get f(x)

8 0
2 years ago
Read 2 more answers
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