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Nitella [24]
3 years ago
9

Which representation has a constant of variation of –2.5? A x –2 –3 –4 –5 y –5 –7.5 –10 –12.5 B 5 x + 2 y = 0 C y = negative 2.5

x + 1 D On a coordinate plane, a line goes through points (negative 1, 0) and (0, negative 2). A B C D
Mathematics
2 answers:
artcher [175]3 years ago
7 0

Answer:

1

Step-by-step explanation:

kakasveta [241]3 years ago
6 0

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If Taylor has 2 times as many nickels as quarters and they have a combined value of 245 cents, how many of each coin does he hav
Goryan [66]

Answer:

Taylor has 14 Nickels and 7 Quarters

Step-by-step explanation:

A nickel is equivalent to 5 cent while a quarter is equivalent to 25 cents.

If the number of nickels Taylor has is 2x then the number of quarters is x

Given that the total value is 245 cents,

5(2x) + 25x = 245

10x + 25x = 245

35x = 245

x = 7, 2x = 2 × 7 = 14

It means Taylor has 14 Nickels and 7 Quarters

5 0
3 years ago
The side length of an equilateral triangle is 4x – 5. Which expression represents
horsena [70]

Answer:

12x-15

Step-by-step explanation:

A triangle has 3 sides

An equilateral triangle has 3 sides that are all the same length

The perimeter of a triangle is

P = s1+s2+s3

P = 4x-4 + 4x-5+4x-5

Combine like terms

P = 12x -15

8 0
3 years ago
The floor of a skating rink is circular and has a radius of 14 meters. What is the
Lerok [7]

Answer:

Step-by-step explanation:

615.75m squared

4 0
3 years ago
Read 2 more answers
Factor the polynomial 8x² − 24x − 224 completely
NeTakaya

Answer:

8(x+4)x(x-7)

Step-by-step explanation:

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3 0
2 years ago
Find the largest whole number which is a factor of both 42 and 98
LuckyWell [14K]

Answer:

14

Step-by-step explanation:

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5 0
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