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3 years ago

I need help please please

Mathematics

1 answer:

torisob [31]3 years ago

7 0

The correct answer to this question is false.

The number 0.8 can in fact be written as 8/10 (because when you divide 8/10 you get 0.8 so they are equivalent values); however, rational numbers are those that can be written as a fraction (the division of two numbers). Irrational numbers are numbers that cannot be expressed in fractional form. This means that 8/10 is not irrational, it is rational, because you can express it in fractional form. This means your answer is false.

Hope this helps!

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Which is equivalent to 3i ( 2i6)?

Hatshy [7]

Answer:

2 * (i^6) * (3 * i) =

- 6 i

Step-by-step explanation:

3 0

3 years ago

PLEASE ANSWER NUMBER 17

zzz [600]

A=1 and 2
B=2 and 4
C=1,2,7 and 14
D=1,2,4,and 8

7 0

3 years ago

Determine which of the lines are parallel and which of the lines are perpendicular. Select all of the statements that are true.

grandymaker [24]

Answer:

Lines a and b are parallel

Lines a and c are perpendicular

Lines d and c are perpendicular

Step-by-step explanation:

we know that

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

Part 1) Find the slope of Line a

we have the points

(-3,4) and (3,6)

substitute in the formula

$m=\frac{6-4}{3+3}$

$m=\frac{2}{6}$

simplify

$m_a=\frac{1}{3}$

Part 2) Find the slope of Line b

we have the points

(-10,-3) and (-8,3)

substitute in the formula

$m=\frac{3+3}{-8+10}$

$m=\frac{6}{2}$

$m_b=3$

Part 3) Find the slope of Line c

we have the points

(0,5) and (3,-4)

substitute in the formula

$m=\frac{-4-5}{3-0}$

$m=\frac{-9}{3}$

$m_c=-3$

Part 4) Find the slope of Line d

we have the points

(4,-7) and (13,-4)

substitute in the formula

$m=\frac{-4+7}{13-4}$

$m=\frac{3}{9}$

simplify

$m_d=\frac{1}{3}$

Part 5) Compare the slopes

Remember that

If two lines are parallel then their slopes are the same

If two lines are perpendicular then their slopes are opposite reciprocal

we have

$m_a=\frac{1}{3}$

$m_b=3$

$m_c=-3$

$m_d=\frac{1}{3}$

therefore

Lines a and b are parallel (slopes are equal)

Lines a and c are perpendicular (slopes are opposite reciprocal)

Lines d and c are perpendicular (slopes are opposite reciprocal)

6 0

3 years ago

Can someone please help me? :(

Anit [1.1K]

Answer:

____________________________________

$\large{ \tt{ \star \: S \: O \: L \: U \: T \: I \: O \: N : }}$

$\large{ \boxed{ \tt{♡ \: VOLUME \: = l \: \times b \: \times h}}}$

$\longrightarrow \: 4 \frac{1}{3} \times 3 \frac{1}{3} \times 4$

$\longrightarrow \: \frac{13}{3} \times \frac{10}{3} \times 4$

$\longrightarrow \: \frac{540}{9}$

$\longrightarrow \tt \: 57 \frac{7}{9} \: ft ^{3}$

Our final answer is 57 7 / 9 ft^3 .

- HappY LearninG ^_________^

4 0

2 years ago

Does anyone know how to do this?

mr_godi [17]

Answer:

√45

Step-by-step explanation:

We know that according to the Pythagorean theory:

a²+b²=c²

I am pretty sure that a is 3 and b is 6. C remains unknown.

3 squared is nine and 6 squared is thirty six. 36+9 is 45.

Since the question says you should leave the answer in radical form, the answer is

c²=45

√c²=√45

This book will really help in Geometry and you can get it anywhere.

I hope this helps!

~°LampteyJ

8 0

3 years ago

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