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3 years ago

13

Quick I need help, it states what polygon is shown by the street sign

1 answer:

gulaghasi [49]3 years ago

4 0

I’m pretty sure it’s just asking what shape each sign is.

One way is a rectangle
I can’t tell if the do not enter is a circle or square... maybe you can see it better
Stop is an octagon
etc...

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Please help for 18 n 19

Hitman42 [59]

$18. \ \ \frac{-1}{x-9}- \frac{-2}{x+7}= \frac{-1(x+7)+2(x-9)}{(x-9)(x+7)}= \frac{-x-7+2x-18}{(x-9)(x+7)}= \frac{x-25}{(x-9)(x+7)}$

$\frac{2}{x}+ \frac{12}{x}=7 \\ \\ \frac{14}{x} =7 \\ \\ x= \frac{14}{7} \\ \\ x=2$

7 0

3 years ago

ANSWER ASAP!!!!<br> PLEASE INCLUDE STEP BY STEP EXPLANATION<br> DO A.

ohaa [14]

Answer:

57

Step-by-step explanation:

I prefer the equation in this format

$\frac{3 |m - 2 {n}^{2} | }{4}$

substitute -4 for m and 6 for n

$\frac{3 | - 4 - 2( {6}^{2}) | }{4}$

square the 6 then multiply by 2

$\frac{3 | - 4 - 72| }{4}$

solve inside the absolute value then multiply by 3

$\frac{3 | - 76| }{4}$

$\frac{228}{4}$

divide by 4

$57$

8 0

3 years ago

Easy Question<br><br> Topic: Volume

k0ka [10]

Answer:

A)168

B)2250

Step-by-step explanation:

A)28•6=168

B)180•12.5=2,250

4 0

3 years ago

Read 2 more answers

What is the reason for statement 8

ElenaW [278]

I need points sorry about this

3 0

3 years ago

Find the measure of each of the angles. Don’t forget to label your answer

user100 [1]

Answer:

$a=125^o$

$b=55^o$

$c=55^o$

$d=55^o$

$e=125^o$

$f=55^o$

Step-by-step explanation:

step 1

Find the value of x

we know that

$(2x+25)^o=(x+75)^o$ ----> by alternate interior angles

solve for x

Group terms

$2x-x=75-25$

$x=50$

step 2

Find the measure of angle a

we know that

$a=(x+75)^o$ ----> by vertical angles

substitute the value of x

$a=(50+75)=125^o$

step 3

Find the measure of angle b

we know that

$a+b=180^o$ ----> by supplementary angles (form a linear pair)

we have

$a=125^o$

substitute

$125^o+b=180^o$

$b=180^o-125^o=55^o$

step 4

Find the measure of angle c

we know that

$c=b$ ----> by vertical angles

we have

$b=55^o$

therefore

$c=55^o$

step 5

Find the measure of angle d

we know that

$d=b$ ----> by corresponding angles

we have

$b=55^o$

therefore

$d=55^o$

step 6

Find the measure of angle e

we know that

$e=a$ ----> by alternate exterior angles

we have

$a=125^o$

therefore

$e=125^o$

step 7

Find the measure of angle f

we know that

$f=d$ ----> by vertical angles

we have

$d=55^o$

therefore

$f=55^o$

4 0

3 years ago