3 years ago

Which of the following is a prime number? 26 45 53 99

Mathematics

2 answers:

ArbitrLikvidat [17]3 years ago

6 0

53 is the only prime number

user100 [1]3 years ago

6 0

Step-by-step explanation:

53 is a prime no.because it can be divided exactly only by itself and 1.

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Janine and her older sister Ingrid's ages are consecutive even numbers. When Janine's age is divided by seven, and Ingrid's age

a_sh-v [17]

Answer:

Janine is 28. Ingrid is 30.

Step-by-step explanation:

Let the ages be x and x + 2 for Janine and her sister, respectively.

x/7 + (x + 2)/3 = 14

Multiply both sides by the LCD, 21, to get rid of denominators.

21 * x/7 + 21 * (x + 2)/2 = 21 * 14

3x + 7(x + 2) = 294

3x + 7x + 14 = 294

10x = 280

x = 28

x + 2 = 30

Answer: Janine is 28. Ingrid is 30.

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Which of the following quotients are negative check all that apply

ella [17]

With the true and the right negative

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3 years ago

Let f(x) = 6x-5 and g(x) = 2x-1. Find f • g

tankabanditka [31]

(6x-5) (2x-1) = 12x²-6x-10x+5 = 12x²-16x +5

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3 years ago

Reduce 12/30 to lowest term

Simora [160]

Answer:

6/15

Step-by-step explanation:

Divide the numerator and the denominator by 2.

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The Lynx star middle linebacker, Nat, is paid $500,000. He is guaranteed a 25% raise for each of the next three years. What will

shutvik [7]

Answer:

Nat's salary after 3 years = 976562.5 $

Explanation:

Salary of Nat = $500,000

Raise in salary for next three years = 25 % = 0.25

Salary of Nat after 1 year = 500,000 + 0.25 * 500,000 = 625000 $

Salary of Nat after 2 years = 625000 + 0.25 * 625000 = 781250 $

Salary of Nat after 3 years = 781250 + 0.25 * 781250 = 976562.5 $

So, Nat's salary after 3 years = 976562.5 $

Easy Method;

No of years considering = 3

Initial salary = $500,000

Rate of increase = 0.25

Final salary $= 500,000(1+0.25)^3=976562.5$ $

Nat's salary after 3 years = 976562.5 $

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3 years ago