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3 years ago

In the following expression, what number is the exponent?

Mathematics

1 answer:

Sav [38]3 years ago

7 0

7^3....the 3 is the exponent

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Let p and q be rational. Prove that p+q is rational

Contact [7]

Let p and q rational numbers (what does it means?), then, p and q coul be written as

$p = \frac{a}{b},a, b \in \mathbb{Z}, b \neq 0\\\\q = \frac{c}{d}, c,d \in \mathbb{Z}, d \neq 0$

then,

$p +q = \frac{a}{b} + \frac{c}{d} = \frac{ad +bc}{bd}$

and we know that ad+bc is an integer, so, p +q is a rational number.

4 0

3 years ago

Find the distance between the pair of points: (1,3) and (-6, -6). distance : ?

uysha [10]

Answer:

$\boxed{ \bold{ \huge{ \boxed{ \sf{ \sqrt{130} \: \: units}}}}}$

Step-by-step explanation:

Let the points be A and B

Let A ( 1 , 3 ) be ( x₁ , y₁ )and B ( -6 , -6 ) be ( x₂ , y₂ )

Finding the distance between these points

$\boxed{ \sf{distance = \sqrt{ {(x2 - x1)}^{2} + {(y2 - y1)}^{2} } }}$

$\longrightarrow{ \sf{ \sqrt{ {( - 6 - 1)}^{2} + {( - 6 - 3)^{2} } }}}$

$\longrightarrow{ \sf{ \sqrt{ {( - 7)}^{2} + {( - 9)}^{2} } }}$

$\longrightarrow{ \sf{ \sqrt{49 + 81}}}$

$\longrightarrow{ \sf{ \sqrt{130}}}$ units

Hope I helped!

Best regards! :D

6 0

3 years ago

H e l p m e p l z ! ! ! !

blondinia [14]

Answer:

explain please

Step-by-step explanation:

4 0

3 years ago

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Which of the following is equivalent to log816? a. 2 b. 1.248 c. 4/3 d. 3/4

ElenaW [278]

X=4/3
C 4/3 hope this helped

5 0

3 years ago

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What is the standard form for 200000+80000+700+6

devlian [24]

It's 280706 keeping all the place values together in the order

8 0

3 years ago