Which triangles are similar Please helpppp quickkkkk

Mathematics

1 answer:

kakasveta [241]3 years ago

5 0

Answer:

Triangle A and Triangle B

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Evaluate the expression when y = 6 and x = 9<br> x+7y

Sindrei [870]

Sub in the numbers
9 + 7(6)
= 9 + 42
= 51

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2 years ago

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What the answer to 5

Sonja [21]

Answer:

c. n³p²

Step-by-step explanation:

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3 years ago

What is the x-intercept and the y-intercept for x+2y=8

Ierofanga [76]

To find the x-intercept, you need to set y equal to zero(think about this on a graph!)
This will become:
x + 2(0) = 8
If we remove the unnecessary zero:
x = 8
That's the x intercept, which can be expressed as the point (8,0).

To find the y-intercept, you need to set x equal to zero(again, think about that on a graph!)
This becomes:
0 + 2y = 8
Remove the unnecessary 0:
2y = 8
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y = 4
There ya go! Or, in point form: (0, 4)

Hope this helped! :)
~Chrys

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3 years ago

Simplify the expression: -7d+5(10d+-6)

Alexandra [31]

Answer:

-7d+50d+-30= 43d+-30

Use distributive property when there is parentheses and a number infront.
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then just put them in an expression.

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3 years ago

The rate at which a body cools also depends on its exposed surface area S. If S is a constant, then a modification of (2), given

padilas [110]

Answer:

76.25°

Step-by-step explanation:

The solution to the differential equation is an exponential curve with a horizontal asymptote at Tm. It passes through (0, 145) and (30, 95), so the equation can be written as ...

T = 80 +65((95-65)/(145-65))^(t/30)

T = 80 +65(3/8)^(t/30)

That is, the temperature difference is reduced to 3/8 of its original value in 30 minutes.

Since the coffee in cup B cools twice as fast, it will cool to the same temperature (95°) in 15 minutes. In the next 15 minutes, the temperature difference will be reduced to (3/8)^2 of the original 80°, so will be 11.25°. That is, the temperature of cup B will be ...

11.25° +65° = 76.25°

after 30 minutes.

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3 years ago