3 years ago

Which of the following is the same as 5(2 − 1)?

Mathematics

1 answer:

VLD [36.1K]3 years ago

6 0

I believe it would be D

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Find CD if C(0,3) and D(4,7)

MakcuM [25]

$C(0,3) \\
x_1=0 \\
y_1=3 \\ \\
D(4,7) \\
x_2=4 \\
y_2=7 \\ \\
\overset{\underline{\ \ \ \ }}{CD} =\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}=\sqrt{(4-0)^2+(7-3)^2}= \\
=\sqrt{4^2+4^2}=\sqrt{16+16}=\sqrt{16 \times 2}=4\sqrt{2} \\ \\
\boxed{\overset{\underline{\ \ \ \ }}{CD} = 4\sqrt{2}}$

7 0

3 years ago

Find the nth term of 6,8,10,12

klemol [59]

Answer:

6 8 10 12 14 16 18 20 22

1 2. 3. 4. 5. 6. 7. 8. 9

4 0

2 years ago

Rewrite the equation C = 2nr to show the expression that can be used to find the value of r.

STatiana [176]

The process is:

C = 2nr

2nr = c

r (2n) = c

$r = \frac{c}{2n}$

That's the answer☝️☝️☝️☝️

or maybe this one

r = 2n + c

sorry, I'm unsure, it has been too long since I studied that...

5 0

3 years ago

Read 2 more answers

Alternatively, a ( )

svetoff [14.1K]

Answer:

i would think 90° counterclockwise and then 180° rotation

Step-by-step explanation:

5 0

3 years ago

-5(v - 1) = -6- (1 + 3v)

dem82 [27]

Answer:

6 =v

Step-by-step explanation:

-5(v - 1) = -6- (1 + 3v)

Distribute

-5v +5 = -6 -1 -3v

Combine like terms

-5v +5 = -7 -3v

Add 5v to each side

-5v+5v +5 = -7 -3v+5v

5 = -7+2v

Add 7 to each side

5+7 = -7+7 +2v

12 = 2v

Divide each side by 2

12/2 = 2v/2

6 =v

8 0

3 years ago