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Len [333]
2 years ago
14

Please help me this is due in 20 mins

Mathematics
2 answers:
Alex2 years ago
8 0

Answer:

1. The perimeter of figure a is 36 cm.

2. The area of figure a is 60 cm².

3. The perimeter of figure b is 14.25 in.

4. The area of figure b is 7.031 in².

If it's wrong tell me

vekshin12 years ago
6 0

Answer:

35cm

120cm^2

Step-by-step explanation:

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Please help fast! (see picture)
valentina_108 [34]

m =  \frac{y2 - y1}{x2 - x1}  \\ m(x2 - x1) = y2 - y1 \\ m(x2 - x1) + y1 = y2
3 0
3 years ago
12.Divide. (x^2+2x+1/x^2-8x+16)/(x+1/x^2-16
lina2011 [118]
For this case we have the following expression:
 (x ^ 2 + 2x + 1 / x ^ 2-8x + 16) / (x + 1 / x ^ 2-16)
 Rewriting we have:
 (((x + 1) (x + 1)) / ((x-4) (x-4))) / (x + 1 / ((x + 4) (x-4)))
 Then, we cancel similar terms:
 ((x + 1) / (x-4)) / (1 / (x + 4))
 Rewriting:
 ((x + 1) (x + 4)) / (x-4)
 Answer:
 
((x + 1) (x + 4)) / (x-4)
3 0
3 years ago
Mrs.torres class has 28 students. The class includes 12 boys. What is the ratio of girls to boys?
raketka [301]

Answer:

16:12

Step-by-step explanation:

if there is 12 boys, that leaves the other 16 to be girls

8 0
3 years ago
Read 2 more answers
3x+5y-4=0<br> what is the slope and y-intercept?
zaharov [31]

Answer:

3x + 5y - 4 = 0 \\ 3x + 5y = 4 \\ 5y = 4 - 3x \\ y =  \frac{4}{5}  -  \frac{3}{5} x \\ y = mx + c \\ slope = m =  \frac{ - 3}{5}  \\ y \: intersept = c =  \frac{4}{5}  \\ thank \: you

5 0
3 years ago
210 is equal to the total of p and 111
Aleks [24]

Answer:

p + 111 = 210

p = 99

Step-by-step explanation:

Break the question down into parts.

<u>Convert each part into algebraic form</u> (numbers or symbols).

210                                =>   210

is equal to                    =>   =

the total of p and 111    =>   p + 111

Put the equation together:

210 = p + 111

Usually, the variable is on the left side:

p + 111 = 210

<u>To solve the equation is to isolate "p"</u>. This means to keep "p" on the left, and move everything else to the right side. When moving something, do the <u>reverse operation</u> to both sides of the equation.

p + 111 = 210            "111" should be on the left. It's opposite is -111.

p + 111 - 111 = 210 - 111                Simplify. "111" cancels out on the left.

p = 99                     Solved for "p"

6 0
3 years ago
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