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Umnica [9.8K]
3 years ago
9

Does anyone know how to do this!!!!

Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
8 0
I cannot see it good
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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
2 years ago
Which statement describes this system of equations? 9x – 6y = 15, 3x – 2y = 5 The equations in the system are equivalent equatio
damaskus [11]

Answer:

There is no solution to the systems of equation.

Step-by-step explanation:

Graph the system by using y=mx+b

Both systems are y=2/5x+5/2.

8 0
3 years ago
Read 2 more answers
Answer both questions!
vodomira [7]
<span>1) What is the equation for the line?
</span>slope = 16/2 = 8

answer
equation 
y = 8x

<span>2) What is the equation of a line with a slope of ​3​ and a point (3, 1) on the line?

Express the equation in the form of y=mx+b where m is the slope and b is the y-intercept.


y - 1 = 3(x - 3)
y - 1 = 3x - 9
y = 3x - 8

answer
</span>y = 3x - 8
3 0
3 years ago
3. (x,y) → (x + 2,y) → (x, y)
Llana [10]

1) A translation 2 units right

2) A reflection over the x-axis

4 0
2 years ago
Please help me on number 4
Mariulka [41]
Angle 5 = 117° because it is vertical to angle 8
Angle 7 = 63° because it is symmetrical to angle 5
Angle 6 = 63° because it is vertical to angle 7.
Angle 1 = 117° because it is corresponding to angle 5.
Angle 2 = 63° because it is corresponding to angle 6.
Angle 3= 117° because it is corresponding to angle 8.
Angle 4 = 63° because it is corresponding to angle 7.
3 0
3 years ago
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