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3 years ago

Is -7.245 rational or irrational

1 answer:

8 0

Answer: Rational

Explanation: Integers are positive and negative whole numbers. However, we can also have positive and negative fractions and decimals. These positive and negative fractions and decimals are not members of the set of integers. They are rational numbers

Hope this helps!

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Jacob drove 8 miles east and then 15 miles north. how far is he from his starting point

Ilya [14]

Answer:

he is 23 miles northeast from this starting spot

Step-by-step explanation:

ok so you start with the directions and notice they are different but this equation worked in our favor because the directions are north and east then all you do is add 8 + 15 and you get 23 so its 23 miles northeast from starting position

8 0

3 years ago

Simplify the monomials

Zielflug [23.3K]

Answer:

$(4a)^{-3}*^{-4}$

$x^m*x^n=x^{m+n}$

$(4a)^{-3}*a^{-4}$

$(-4)^{-3}\: a^{-3}*a^{-4}$

$4^{-3}\:a^{-3-4}$

$\cfrac{1}{4^3} \:a^{-7}$

$\boxed{\frac{1}{64a^{7}} }$

$(3xy)^2*(-4x^3y^2)^3$

$9x^2y^2*(64x^9y^6)$

$\boxed{-576x^{11}y^8}$

$(4a^{-1}b^5c^{-3})^3$

$(4)^3(a^{-1})^3(b^5)^3(c^{-3})^3$

$(4*4*4)\:a^{-1*3}\:b^{5*3}\:c^{-3*3}$

$64\:a^{-3}b^{15}c^{-9}$

$\boxed{\frac{64b^{15}}{a^3c^9}}$

7 0

2 years ago

What is a denominator and numerator

docker41 [41]

The numerator is the top number of a fraction and the denominator is the bottom number of a fraction

6 0

3 years ago

Read 2 more answers

Tomas works as an underwater photographer. He starts at a position that

kodGreya [7K]

Answer:

-15+9=-6 --------> -6-12=-18

15 represents where he started, then he rises upward 9 and then gets to 6. Afterwards he goes down 12 and ends up at 18 which is 3 feet lower then where he originally started.

Read more on Brainly.com - brainly.com/question/2058807#readmore

Step-by-step explanation:

4 0

3 years ago

How much of the circle is shaded? Write your answer as a fraction in simplest form? 3/7 and 1/3 isn't shaded

LekaFEV [45]

Answer:

$total = 1 \\ \frac{1}{2} + \frac{1}{7} + x = 1 \\ \frac{1}{7} + x = 1 - \frac{1}{2} \\ \frac{1}{7} + x = \frac{1}{2} \\ x = \frac{1}{2} - \frac{1}{7} \\ x = \frac{7 - 2}{7 \times 2} \\ x = \frac{5}{14} \\ \\ shaded \: portin \: = \frac{5}{14} \\ thank \: you$

7 0

3 years ago

Read 2 more answers