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BabaBlast [244]
3 years ago
14

I need help with this

Mathematics
1 answer:
andrew11 [14]3 years ago
4 0

Answer:

a)  5(12+7)

b) 5(19)=95

Step-by-step explanation:

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The sales tax for an item was $9.40 and it cost $470 before tax. find the sales tax rate. write your answer as a percentage.
ankoles [38]
The sale tax would be the 2% of 470
5 0
3 years ago
Tom bought a PS4 on Black Friday for 25% off. If the system sells for $399, what is the sales price of the PS4?
Delicious77 [7]

Answer:

The sales price of the PS4 is $532.

Step-by-step explanation:

The system sells for $399 after giving 25% off on a Black Friday on the sales price.

Let the sales price of the PS4 system is $x.

Then after giving 25% discount the price will become x(1 - \frac{25}{100}) = 0.75x

Therefore, 0.75x = 399

⇒ x = 532  

Therefore, the sales price of the PS4 is $532. (Answer)

7 0
2 years ago
What is 5 2/3 + 6 1/8
olasank [31]

Answer:

11.7916666667

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
A fish jumps out of the water at a speed of 12 feet per second. The height y (in feet) of the fish above the surface of the wate
sasho [114]

Answer:

The fish is 2.25 ft above the surface at 0.375 seconds

Step-by-step explanation:

Given:

y=-16x^2+12x

x=0.375 seconds

Substitute x=0.375 into the equation

y=-16x^2+12x

= -16(0.375)^2 +12(0.375

= -16(0.140625) + 4.5

= -2.25 + 4.5

= 2.25

y=2.25 ft

The fish is 2.25 ft above the surface at 0.375 seconds

8 0
3 years ago
Evaluate the algebraic expression.<br> y^2+x+y when x=-3 and y=-4
Amanda [17]

Step-by-step explanation:

you put the values in place of the variable names and calculate.

y² + x + y

(-4)² + -3 + -4 = 16 - 3 - 4 = 16 - 7 = 9

5 0
2 years ago
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