3 years ago

Question is in photo. Thanks

1 answer:

7 0

No, the dots make no straight lines

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klemol [59]

A^2+b^2=C^2
=
4+144=148
The square root of 148 is 12.165
round it down to 12

Hope this helps

4 0

3 years ago

Harman [31]

Answer:

y = 3 $\sqrt{7}$

Step-by-step explanation:

The two inner right triangles are similar, thus the ratios of corresponding sides are equal, that is

$\frac{y}{9}$ = $\frac{7}{y}$ ( cross- multiply )

y² = 63 ( take the square root of both sides )

y = $\sqrt{63}$ = $\sqrt{9(7)}$ = $\sqrt{9}$ × $\sqrt{7}$ = 3 $\sqrt{7}$

6 0

3 years ago

gtnhenbr [62]

6,250
1,000/4,000 = 25/100
25/100 = x/5,000
x = 1,250

5,000 + 1,250 = 6,250

4 0

3 years ago

son4ous [18]

$P_{\fbox{ }}=2w+2l\\\\w=x^2+2x+7;\ l=-2x+8\\\\P_{\fbox{ }}=2(x^2+2x+7)+2(-2x+8)=2x^2+4x+14-4x+16\\\\\boxed{P_{\fbox{ }}=2x^2+30}$

5 0

3 years ago

Levart [38]

X=.5 or 1/2
y=2

hope that helps a little (:

6 0

2 years ago