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aliya0001 [1]
3 years ago
7

What's the answer to this world problem please:

Mathematics
2 answers:
Usimov [2.4K]3 years ago
7 0

Answer:

19 keyboards

Step-by-step explanation:

Let d = thumb drives; and k = computer keyboards

Total number of sales of thumb drives and keyboards is 50

50 = d + k

Rearranged:

d = 50 - k

Total revenue from the sale of $24 thumb drives and $49 keyboards is $1675

1675 = 24d + 49k

Sub in d = 50 - k

1675 = 24(50 - k) + 49k

1675 = 1200 - 24k + 49k

475 = 25k

k = 475/25

k = 19

(To check, d = 50 - 19 = 31)

Inga [223]3 years ago
3 0
The answer to this question is 10
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Brad wants to buy flowers for his friend with $33. The daisies are $1 each and the roses are $3 each. He buys 3 more daisies tha
Darina [25.2K]

Let x=the amount of roses that Brad buys. (x+3)=the number of daisies that Brad buys.


x+(x+3)=33


Simplify this problem to find the amount of roses:


2x+3=33


2x=30


x=15


So, Brad buys 15 roses and 18 daisies.


Since roses cost $3, 15*3=45.


The roses cost $45.


Hope this helps! :)

8 0
3 years ago
Help with this number line question please
Art [367]

Answer:

The answer your looking for is <em><u>A</u></em>

Step-by-step explanation:

7 0
4 years ago
I need workings and answer to this question above.​
masya89 [10]

Answer:

D.82km/hr

hope it helps

7 0
3 years ago
I need help now it’s an iready
topjm [15]

Answer:6x3+6x8

Step-by-step explanation:

First, you see A is 18 plus 48 you first do 18 sq ft you could multiply 6x3, and 6x3 is one of the options next what x what is 48 that you see of the answers and 6 x 8 is 48 so the answer is the bottom left.

4 0
3 years ago
Read 2 more answers
Please help
Mumz [18]

Step-by-step explanation:

multiplying expressions.

remember every term of one expression has to be multiplied with every term of the other expression, and the results are added up (while considering their individual signs, of course).

1.

(-3×3 + 2x - 4)(3x - 2)

(-9 + 2x - 4)(3x - 2)

(-13 + 2x)(3x - 2) = -13×3x + -13×-2 + 2x×3x + 2x×-2 =

= -39x + 26 + 6x² - 4x = 6x² - 43x + 26

2.

let's do the other multiplication and compare the result with the result of 1 :

(-13 + 2x)(2x - 3) = -13×2x + -13×-3 + 2x×2x + 2x×-3 =

= -26x + 39 + 4x² - 6x = 4x² - 32x + 39

no, this product is not the same as in 1.

8 0
2 years ago
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