If the vertices of triangle bcd are b(-3,3), c(3,5), and d(-1,0), what is the perimeter

Answers

Answer 1

Answer: distance formlula
D= $\sqrt{(x2-x1)^(2)+(y2-y1)^(2)}$

when you want to find the distance between points (x1,y1) and (x2,y2)

we nee
distace from
b to c
c to d
d to b

b to c is (-3,3) to (3,5)
D= $\sqrt{(3-(-3))^(2)+(5-3)^(2)}$ =2√10

c to d is (3,5) to (-1,0)
D= $\sqrt{(-1-3)^(2)+(0-5)^(2)}$ =√41

d to b is (-1,0) to (-3,3)
D= $\sqrt{(-3-(-1))^(2)+(3-0)^(2)}$ =√13

add

b to c+c to d+d to b=2√10+√41+√13

perimiter=2√10+√41+√13 units

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Solve each equation with quadratic formula.2v2+12v-27=9v

Answers

$2v^2+12v-27=9v\ \ \ \ /-9v\n\n2v^2+3v-27=0\n\na=2;\ b=3;\ c=-27\n\n\Delta=b^2-4ac\n\n\Delta=3^2-4\cdot2\cdot(-27)=9+216=225\n\nv_1=(-b-\sqrt\Delta)/(2a);\ v_2=(-b+\sqrt\Delta)/(2a)\n\nv_1=(-3-√(225))/(2\cdot2)=(-3-15)/(4)=(-18)/(4)=-4(1)/(2)\n\nv_2=(-3+15)/(2\cdot2)=(12)/(4)=3$

$2v^2+3v-27=0\n\n2(v+4(1)/(2))(v-3)=0\n\nAnswer:v=-4(1)/(2)\ \vee\ v=3.$

Simplify.open parentheses fraction numerator h over denominator 5 end fraction close parentheses squared

Question 13 options:

fraction numerator h squared over denominator 25 end fraction

fraction numerator h squared over denominator 5 end fraction

fraction numerator h over denominator 25 end fraction

25 h squared

Answers

(h/5)^2 = (h/5)*(h/5) = (h*h)/(5*5) = (h^2)/25 or was you've put it
"fraction numerator h squared over denominator 25 end fraction"

Decrease 40 by 12.5%

Answers

Answer:

Step-by-step explanation:

Multiply 40 by 0.125 (12.5%) and you get 5

Subtract 5 from 40

· If the value of +/= , find the value of + /

Answers

if x/y=0 and we're finding x,

you would multiply y on both sides so x=0

If this wasn't the answer you were looking for, tell me and I can edit my answer

Rewrite y = -2+7 in standard form

Answers

Answer:

y=5

Step-by-step explanation:

just solve it

a pastry recipe calls for 3 cups of flour to make 8 serving .how many cups of flour are needed to make 6 serving

Answers

If you would like to know how many cups of flour are needed to make 6 servings, you can calculate this using the following steps:

3 cups of flour ... 8 servings
x cups of flour = ? ... 6 servings

3 * 6 = 8 * x
18 = 8 * x /8
x = 18/8
x = 9/4
x = 2 1/4 cups of flour

The correct result would be 2 1/4 cups of flour.

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