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tiny-mole [99]
3 years ago
7

Samuel orders four DVDs from an online music store. Each DVD costs $9.12. He has a 25% discount code, and sales tax is 6.5%. Rou

nd sales tax amounts to the nearest cent. What is the total cost of his order?
The total cost of Samuel's order is $______
Mathematics
1 answer:
ra1l [238]3 years ago
6 0
20.86 I think is the answer to the problem
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(07.01 MC)
ratelena [41]
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What is the point of intersection of the linear system<br> x=5 and y = - 4
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Answer: The linear equations intersect at 5 , -4

8 0
3 years ago
Tyrod needs at least $820 to buy the computer he wants. He has already saved $330. He earns $50 per lawn that he cuts. What is t
Ksju [112]

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

The equation representing the given statement is ~

  • 50x + 330 \geqslant 820

The least number of lawns that he can cut and buy the computer is 10 lawns ~

\large \boxed{ \mathfrak{Step\:\: By\:\:Step\:\:Explanation}}

Total savings should be greater or equal to $ 820 in order to buy the computer,

And his total savinga is equal to ~

Money he saved + money got from cutting lawns.

let's assume the lawns cut by Tyrod be x,

Money earned by cutting lawns is equal to

  • total number of lawns cut × $50

  • 50x

total savings is equal to ~

  • 330 + 50x

hence,

  • 50x + 330 \geqslant 820

by solving for " x (number of lawns cut) " we get ~

  • 50x  \geqslant 820 - 330

  • 50x \geqslant 490

  • x  \geqslant 490 \div 50

  • x \geqslant 9.8

Hence, the least number of lawns he has to cut is the number that is greater than 9.8, which is

  • 10

6 0
2 years ago
Help me with this please!!
ser-zykov [4K]

Answer:

-1.3

Step-by-step explanation:

The graph shows the straight line passing through the points (3,-1) and (-3,7).

The slope of the line passing through the points (x_1,y_1) and (x_2,y_2) is

\dfrac{y_2-y_1}{x_2-x_1}

In your case, the slope is

\dfrac{7-(-1)}{-3-3}\\ \\=\dfrac{7+1}{-6}\\ \\=-\dfrac{8}{6}\\ \\=-\dfrac{4}{3}\\ \\\approx -1.3

The rate of change is -1.3

8 0
3 years ago
LINEAR MODELS (functions)
Nuetrik [128]
That question mark is filled in with the y-intercept.  The y-intercept is where the graph goes through the y-axis.  Our graph goes through the y-axis at 1, so the equation is y = 4x + 1
3 0
3 years ago
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