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gavmur [86]
3 years ago
8

3) What is the difference? 7,840 - 4,971* 0 2,769 0 2,869 0 2,879 0 2,969

Mathematics
2 answers:
djyliett [7]3 years ago
6 0

Answer:

0 2,869

hopefully this helped :3

Flura [38]3 years ago
3 0

Answer:

2869

Step-by-step explanation:

7,840 - 4,971

Subtract.

= 2869

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Which represents the solution(s) of the system of equations, y = –x2 + 6x + 16 and y = –4x + 37? Determine the solution set alge
masya89 [10]

Answer: c.(3, 25) and (7, 9)

y = –x^2 + 6x + 16 and y = –4x + 37

Plug in -4x+37 for y in first equation . It becomes

-x^2 + 6x + 16= -4x+37

Combine like terms. add 4x  and subtract 37 on both sides

-x^2 + 10x - 21=0

Divide the whole equation by -1 to remove negative sign from -x^2

x^2 - 10x + 21=0

Now factor the left hand side

(x-7)(x-3) = 0

x-7 =0  and x-3=0

x= 7  and x=3

Now we find out y using y = –4x + 37

when  x= 7 , then y=-4(7) +37 = 9

when x= 3, then y=-4(3) + 37 = 25

We write solution set as (x,y)

(7,9)  and (3,25) is our solution set


7 0
3 years ago
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3р - 2р – 5<br> What’s the work for this factoring trinomial
bonufazy [111]
3p - 2p - 5
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calculate

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Ms. Merry spent a total of $33.42 to buy 6 books. Each book was the same price. Which expression should be used to estimate the
AleksandrR [38]

Answer:

33.42 divided by 6?

Step-by-step explanation:

7 0
3 years ago
Please help ASAP, thank you and have a good night/day❤️
wolverine [178]

Answer:

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2 years ago
The original price of a pair of shoes is $42. The sale price is 20% off the original price. What is the amount off the original
GREYUIT [131]

Answer:

a) What is the amount off the original price?

= $8.4

b) What is the new price for the pair of shoes?

= $33.6

Step-by-step explanation:

a) What is the amount off the original price?

We are told that:

The sale price is 20% off the original price.

Original price = $42

Hence:

$42 × 20%

$42 × 20/100

= $8.4

b) What is the new price for the pair of shoes?

The new price =

0riginal price - Amount off the original price

= $42 - $8.4

= $33.6

The original price = $33.6

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