3 years ago

How to do isosceles triangle

Mathematics

1 answer:

nata0808 [166]3 years ago

4 0

An isosceles triangle has 2 equal sides and 2 equal angles

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A satellite dish has cross-sections shaped like parabolas. The receiver is located 13 inches from the base along the axis of sym

horsena [70]

Answer:

Depth = 3.3 inches

Step-by-step explanation:

Given that the shape of the satellite looks like a parabola

The equation of parabola is given as follows

$x^2=4\times a\times y$

Where

a= 13

Therefore

$x^2=4\times 13\times y$

$x^2=52\times y$

Lets take (13 , y) is a

Now by putting the values in the above equation we get

$13^2=52\times y$

$y=\dfrac{13^2}{52}=3.25$

y=3.25 in

Therefore the depth of the satellite at the nearest integer will be 3.3 inches.

Depth = 3.3 inches

7 0

3 years ago

What is the y-intercept of a line thay has a slope of 3 and passes through point (-1,-7)

Hunter-Best [27]

The answer is y= 3x -4

3 0

3 years ago

Light bulbs cost £2.90 each.

s344n2d4d5 [400]

Answer:

$2.60

Step-by-step explanation:

first you need to see how many time 2.90 goes into 20 it is 6, so then you multiply 2.90 times 6 and get 17.40. Lastly you subtract 17.40 from 20 to get 2.60

Hope this helps

7 0

3 years ago

Read 2 more answers

Similar right triangle

adoni [48]

Answer: 6.25

Step-by-step explanation:

Because corresponding sides of similar triangles are proportional,

$\frac{x}{2.5}=\frac{6+4}{4}\\\\x=2.5\left(\frac{6+4}{4} \right)=\boxed{6.25}$

3 0

2 years ago

How many solutions does the system have? 3x−5y=15 6x−10y=30

34kurt

Answer:

infinite solutions

Step-by-step explanation:

3x−5y=15

6x−10y=30

Multiply the first equation by 2

2(3x-5y) = 2*15

6x -10y =30

The two equations are identical, which means they are the same line

That means they have infinite solutions

4 0

3 years ago