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True [87]
3 years ago
9

Please help me with this math problem.Evalaute 7r - 5/s when r= 3 and s= 5.

Mathematics
2 answers:
Liono4ka [1.6K]3 years ago
7 0

20 is the answer 7(3)-5/(5)=20

JulijaS [17]3 years ago
5 0

Rewrite the equation: 7(3)-5/5

Evaluate.

21-1=20

20 is your answer.

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The sale price of a used car is $4,160 after a 35% discount. What is the original price of the car?
erik [133]

Answer: The original price was $6,400

Step-by-step explanation: To find the original price, divide the sale price by 1 minus the discount rate:  4160 / (1- 0.35) =  4160 / 0.65 = 6400

mark brainliest?? plz :)

3 0
3 years ago
Somebody Please Help!!!
Finger [1]

Answer:

11) 153, 85, 238 12) 12, 15, 27

Step-by-step explanation:

To find the area of these shapes, you have to cut them into two seperate shapes as shown the in the image: Shape 1 and Shape 2

11) Let Shape 1 be the rectangle: 17×9=153

let Shape 2 be the triangle: \frac{1}{2}×10×8.5=42.5×2=85

Total area: 153 + 85 = 238

12) Let cut this shape vertically where you'll have a rectangle thats 3 by 4 and a rectangle that's 5 by 3

Shape 1: 3×4=12

Shape 2: 5×3=15

Total area: 15 + 12 = 27

4 0
3 years ago
Please help, i’m so behind on my work :(( image attached
gregori [183]

Answer:

5/8

Step-by-step explanation:

28x + 4 can be factorised because 28 is a multiple of 4

so it can become

4(7x+1)

35x + 5 can be also factorised because 35 is a multiple of 5

5(7x+1)

we can now rewrite the expression as

6/4(7x+1) * 5(7x+1)/12

we can “eliminate” the two 7x+1 and simplify 6 with 12

so it remains

1/4 * 5/2 = 5/8

8 0
3 years ago
Complete the Point-Slope equation of (-8,-8) (-7,9)
Vadim26 [7]

Answer:

y = 17x +128

Step-by-step explanation:

P1(-8,-8)

P2(-7,9)

Slope,

m = (y2-y1)/(x2-x1) = (9-(-8))/(-8-(-7)) = 17/(-1) = 17

The point-slope equation is

y-y1 = m(x+x1)

y-(-8) = 17(x-(-8))

y+8 = 17x + 136

y = 17x +128

7 0
3 years ago
What is the solution to this system of equations?
ololo11 [35]

Answer:

(1,5) is the answer

6 0
3 years ago
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