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dangina [55]
2 years ago
8

Write an expression to represent: Nine less than the quotient of two and a number z.

Mathematics
1 answer:
Nina [5.8K]2 years ago
8 0

Answer:

2 / z - 9

Step-by-step explanation:

Don't worry division always goes before subtraction so you don't need any parenthesis.

Tell me if I'm wrong :)

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6.The perimeter of a rectangle whose length is 7.5cm and breadth 3.75cm​
Crazy boy [7]

Answer:

formulla of perimeter of rectangle

Step-by-step explanation:

perimeter of rectangle=2(l+b)

= 2(7.5+3.25)

=2(11.25)= 22.5

5 0
3 years ago
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What is the square root of 289??
professor190 [17]

Answer:

square root of 289 is

<h2><em><u>1</u></em><em><u>7</u></em></h2>

Step-by-step explanation:

hope that will help you

6 0
3 years ago
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Suppose that y varies directly with x<br> and y = 10 when x = 20. What is y<br> when x = 15?
tresset_1 [31]

Answer: y = 7.5

Step-by-step explanation:

Suppose that y varies directly with x

That is, y∝x

Convert y∝x to a full equation by introducing a constant k to the right hand side.

Therefore, y = kx

Given that y = 10 and x = 20

Substitute y and x in the equation above. We have;

10 = k(20)

10 = 20k

20k = 10

k = 10/20

k = 0.5

Since k = 0.5, the equation y = kx becomes y = 0.5x

Now, to find y if x = 15, substitute x in equation y = 0.5x

Therefore, y = 0.5(15)

y = 7.5

5 0
3 years ago
Melissa and Brian are at the base of a mountain. Melissa hikes to
Free_Kalibri [48]
67 meters because if you use the triangle congruent method with the altitude at 65 degrees you should get the right answer
8 0
3 years ago
Two polynomials P and D are given. Use either synthetic or long division to divide P(x) by D(x), and express P in the form P(x)
WINSTONCH [101]
Attached is the solution, long division is hard to type out.
Hope it helps.

6 0
3 years ago
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