2 years ago

Are the two triangles below .similar?

Mathematics

1 answer:

kozerog [31]2 years ago

8 0

Yes, because both of them have a 70 degree angle on T and W

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Question 3
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A. 3

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Solve for r.

4r - 6 = 30
4r = 36
r = 9

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D. 9


Question 5
Solve for u.

126 = 6u
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Matthew bought snacks for soccer team. He bought a bag of apple slices for $5.65, and he bought a 12 pack of Gatorade bottles. T

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Step-by-step explanation:

B=6.48

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Step-by-step explanation:

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1 year ago

What is the solution to the quadratic equation 8m^2+7m-15=-7 ?

Aleks04 [339]

Make equal to zero
add7 both sides
8m^2+7m-8=0
quadratic fomrula

if you have
ax^2+bx+c=0
x= $\frac{-b+/- \sqrt{b^{2}-4ac} }{2a}$

8m^2+7m-8=0
a=8
b=7
c=-8

x= $\frac{-7+/- \sqrt{7^{2}-4(8)(-8)} }{2(8)}$
x= $\frac{-7+/- \sqrt{49+256} }{16}$
x= $\frac{-7+/- \sqrt{305} }{16}$

x= $\frac{-7+ \sqrt{305} }{16}$ or x= $\frac{-7- \sqrt{305} }{16}$

aprox
x=-1.52902 or 0.654016

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2 years ago