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Nostrana [21]
3 years ago
12

- The expression x² - 5 is prime. Is it true or false

Mathematics
1 answer:
lana [24]3 years ago
7 0

Answer:

false

Step-by-step explanation:

X squared minus 5 is not necessarily prime

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Justin lives 3 2 5 miles from his grandfather's house. Enter the mixed number as a fraction greater than one. 3 2 5 =
elena-s [515]

Answer: \dfrac{17}{5} miles

Step-by-step explanation:

We can express a mixed fraction as an improper fraction.

The process is as follows:

a\dfrac{b}{c}=\dfrac{ac+b}{c}

The given mixed number = 3\dfrac25 miles

This can be represented as

3\dfrac25=\dfrac{3\times5+2}{5}\\\\=\dfrac{15+2}{5}\\\\=\dfrac{15+2}{5}\\\\=\dfrac{17}{5}>1

Hence, the required fraction= \dfrac{17}{5} miles

3 0
3 years ago
A pizza shop sells pizzas that are 10 inches (in diameter) or larger. A 10-inch cheese pizza cost $8. Each additional inch cost
Katyanochek1 [597]

A pizza shop sells pizzas that are 10 inches orr larger. A 10-inch cheese pizza costs $8 and each additional costs $1.50 and each additional topping costs $0.75.

The equation that represents the cost of a pizza is:

P = $10 + $1.50a + $0.75b

Where 'a' represents the number additional inches and 'b' represents the number of additional toppings.

4 0
3 years ago
What percent of 2358 is 90?<br> Step by step please
hoa [83]

Answer:

3.8%

Step-by-step explanation:

90/2358=0.038

7 0
4 years ago
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$75 lunch; 18% tip what is the total
Ghella [55]

Answer:

88.5

Step-by-step explanation:

75 x .18

tip= 13.5

75 + 13.5 = 88.5

8 0
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Real solutions please WILL GIVE BRAINLIEST
Svetllana [295]

Answer:

the answer is A=2

Step-by-step explanation:

a real solution is a solution that uses real numbers. This equation has 2 real solutions.

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3 years ago
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