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4 years ago

The larger of two numbers is 10 less than 5 times the smaller.their sum is 146 .find the smaller number

Mathematics

1 answer:

ExtremeBDS [4]4 years ago

5 0

For this problem, you would have to use a system of equations. Hope this helps!

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PLEASE HELP!!!!! A satellite telescope has a parabolic dish. Satellite signals are collected at the focal point (focus) of the

-BARSIC- [3]

The dish illustrates operations on a parabola.

The depth of the parabolish dish is 160 feet.

The bowl is said to be a parabola.

So, we have:

$\mathbf{(x -h)^2 = 4p(y - k)}$

Where:

$\mathbf{Focus: p = 40}$

$\mathbf{Vertex:(h,k) = (0,0)}$

From the question, the diameter is 160 feet.

So, the radius (r) is:

$\mathbf{r = \frac{160}{2} = 80}$

So, the coordinate of the depth of the parabola would be:

$\mathbf{(x,y) = (60 + 100,y)}$

$\mathbf{(x,y) = (160,y)}$

Substitute these values in $\mathbf{(x -h)^2 = 4p(y - k)}$

So, we have:

$\mathbf{(160 - 0)^2 = 4 \times 40 \times (y -0)}$

$\mathbf{160^2 = 160y}$

Divide both sides by 160

$\mathbf{160 = y}$

Rewrite as:

$\mathbf{y = 160 }$

Hence, the depth of the parabolish dish is 160 feet.

Read more about parabolas at:

brainly.com/question/4074088

3 0

3 years ago

Using the drawing what is the vertex of angle 4?

Bezzdna [24]

Answer: A

Step-by-step explanation:

7 0

2 years ago

Please help me :( this is really hard

avanturin [10]

Answer:

h ≈ 7.9 cm

Step-by-step explanation:

Using the sine ratio in the right triangle

sin26° = $\frac{opposite}{hypotenuse}$ = $\frac{h}{18}$ ( multiply both sides by 18 )

18 × sin26° = h , then

h ≈ 7.9 cm ( to 1 dec. place )

8 0

3 years ago

Read 2 more answers

( show your work ) Find the total cost of 6 puppies if each pull-ups coast $250

yKpoI14uk [10]

Answer: $1500

Step-by-step explanation:

Given information

Number of puppies = 6

Cost of each puppy = $250

Given expression deducted from the question

Total cost = number of puppies × cost of each

Substitute values into the expression

Total cost = 6 × 250

Simplify by multiplication

Total cost = $\boxed{1500}$

Hope this helps!! :)

Please let me know if you have any questions

3 0

3 years ago

Read 2 more answers

Please answer this it's due tomorrow

kvv77 [185]

Answer:

There is no question you included

Step-by-step explanation:

6 0

4 years ago