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4 years ago

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Mathematics

2 answers:

Snowcat [4.5K]4 years ago

7 0

Answer:

I think they are similar.

Step-by-step explanation:

They are similar because both triangles have a right angle, and two acute angles.

AleksandrR [38]4 years ago

3 0

Answer:

Im a bit late but its not similar i just took the test <3

Step-by-step explanation:

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1. Find the vertex of the following quadratic equations: a) f(x) = (x – 4)2 + 7

RSB [31]

Answer: It is not possible to find the vertex of the stated equation as it is in the form of f(x) = mx + b, a linear equation.

Step-by-step explanation:

Being in the form f(x) = mx + b, it is not possible to find a vertex due to the fact that there is none. This is because when an equation is written in the linear form it is representing a line not a parabola.

Given a parabola it is possible to find a vertex because in that case there is one.

7 0

3 years ago

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against the wind a small plane flew 280 miles in 1 hour and 10 minutes. the return trip took only 50 minutes. What was the speed

Amanda [17]

1) 1hour 10minutes = $\frac{7}{6}$ hours,
50 minutes = $\frac{5}{6}$ hours

2) speed of plane against the wind = $\frac{280miles}{ \frac{7}{6} } = \frac{280*6}{7}=240miles /hours$

3) speed of plane on the the wind = $\frac{280miles}{ \frac{5}{6} } = \frac{280miles*6}{5}=336miles/hours$

4) (336-240):2=48miles/hours - speed of wind
5)336-48=288miles/hours - plane's speed in still air

Answer: speed of wind is 48 miles/hours, speed of plane in still air is 288 miles/hours

5 0

4 years ago

Find the equation of a line given the point and slope below. Arrange your answer in the form y = mx + b, where b is the constant

Dvinal [7]

Answer:

y = 2x + 1

Step-by-step explanation:

Given a point and the slope, we can plug in these values into the equation to find the value of b:

y = mx + b

3 = 2(1) + b

3 = 2 + b

1 = b

Plug b into the equation:

y = 2x + 1

6 0

3 years ago

Read 2 more answers

Need help with this problem

Lera25 [3.4K]

The employee receives $162 because you just substitute 6 for h and w for 3 which is 12(6)+30(3) and 12x6=72 and 30x3=90 and 72+90=162

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4 years ago

Keith had 261 dollars to spend on 9 books. After

Paul [167]

It’s 27 books bc if you subtract 261-18 it equals 243 and then divide that by 9

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3 years ago