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3 years ago

Help me pleaseeeeeeeeeeede

Mathematics

1 answer:

nekit [7.7K]3 years ago

6 0

What does the spaces in between the numbers mean

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10 + 2n = 8n - 2n + 10

galina1969 [7]

Answer:

n=0

Step-by-step explanation:

Rearrange

10+2=8−2+10

2+10=8−2+10

Combine like terms

2n+10=8n−2n+10

2+10=6+10

Subtract from both sides

2+10=6+10

2+10−10=6+10−10

Simplify

2n=6n

Subtract both sides from 6n of the equation

2=6

2−6=6−6

Solution

n=0

5 0

3 years ago

Proving parallel lines with alternate exterior angles. given: <1 = <2 prove: p || q

horrorfan [7]

Answer:

1. <1 = <2 - given

2. <1 and <3 are vertical <s - def of vertical <s

3. <1 = <3 - vertical angles theorem

4. <3 = <2 - transitive property

5. p II q - converse of corresponding angles theorem

Step-by-step explanation:

edg 2020

7 0

3 years ago

F20 in-1 30 in. 13 in. 13 in.

scoray [572]

Answer:

Step-by-step explanation:

7 0

3 years ago

P divided 31 is less than or equal to 30

Harlamova29_29 [7]

P divided by 31 is less than to 30 because what p is will be less because when you divide you make something smaller

6 0

3 years ago

Read 2 more answers

Can anybody help me on this please I will be giving 15 points..

oksano4ka [1.4K]

Answer:

BC= $\sqrt{95}$

Angle A (or BAC)=54.31466...

Angle C (or ACB)=35.68533...

Step-by-step explanation:

$\frac{7}{\sin \left(\angle \:ACB\right)}=\frac{12}{\sin \left(90\right)}$

$BC=\sqrt{12^2-7^2}$

$\sqrt{12^2-7^2}=\sqrt{95}$

$\frac{\sqrt{95}}{\sin \left(\angle \:BAC\right)}=\frac{12}{\sin \left(90\right)}\quad :\quad \angle \:BAC=54.31466$

$\frac{7}{\sin \left(\angle \:ACB\right)}=\frac{12}{\sin \left(90\right)}\quad :\quad \angle \:ACB=35.68533$

4 0

3 years ago

Read 2 more answers