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ziro4ka [17]
2 years ago
10

What it is the value for x and y​

Mathematics
1 answer:
Nadya [2.5K]2 years ago
6 0

Answer:

ur hand writing its very nice also what grade are u in

Step-by-step explanation:

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A plane is going to fly 300 miles at a planned speed of 530 mph. The flight will have an average headwind of w miles per hour th
vladimir2022 [97]

Answer:

T(100) represents that the plane flies against the wind at 110mph for 0.714 hours

Step-by-step explanation:

Given

w = headwind

T = time

Model:

<em />T(w) = \frac{300}{530 - W}<em> -- This was not properly presented in your question</em>

Required

What does T(110) means

First, we calculate T(110):

Substitute 110 for w in T(w) = \frac{300}{530 - W}

The expression becomes

T(110) = \frac{300}{530 - 110}

T(110) = \frac{300}{420}

T(110) = 0.714<em> -- approximated</em>

<em>T(100) represents that the plane flies against the wind at 110mph for 0.714 hours</em>

7 0
2 years ago
Evan went to the park and saw four animals.
dsp73

Answer:

He saw <u>1 duck</u> and <u>3 dogs</u>.

Step-by-step explanation:

Given:

Evan went to the park and saw four animals.

Each animal was either a duck or a dog.

He saw a total of 14 legs.

Now, to find the number of each animal he had seen.

Let the number of duck be x.

And the number of dog be y.

So, total number of animals:

x+y=4\\y=4-x

Now, the total number of legs he did see:

<em>As we know the legs of a duck are 2 and a dog are 4.</em>

2x+4y=14\\2x+4(4-x)=14\\2x+16-4x=14\\-2x+16=14

Adding both sides by -16 we get:

-2x=-2

Dividing both sides by -2 we get:

x=1

The number of duck = 1.

Now, putting the value of x in above equation we get:

y=4-x

y=4-1\\y=3.

The number of dogs = 3.

Therefore, he saw 1 duck and 3 dogs.

4 0
3 years ago
6) The sum of three consecutive numbers is 120.<br> What is the smallest of the three numbers ?
bekas [8.4K]

Answer:

39

Step-by-step explanation:

Let the smallest number be n,

then the three numbers are n, n+1 and n+2

Therefore, n+(n+1)+(n+2)=120

Collecting like terms,

n+n+n=120-1-2

3n=117

n=117/3

n=39

Therefore the numbers are 39,40 and 41.

And the smallest number is 39.

8 0
3 years ago
Which statement is true about the graphs of the two lines y = –6 and x =1/6 ?
sweet-ann [11.9K]
These lines are perpendicular because y = -6 is a horizontal line with a slope of 0 and x = 6 is a vertical line with an undefined slope
6 0
3 years ago
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The scale drawing shown above has a scale of 1inch:12feet. The redraw has a scale of 1inch:4feet. What will be the height of the
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20% is the real answer yasss
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