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NISA [10]
3 years ago
13

Chloe kicks a soccer ball across a field. The height of the ball above the ground is given by the equation

Mathematics
1 answer:
Reika [66]3 years ago
4 0

Answer:

It takes 3.5 seconds for the ball to hit the ground

Step-by-step explanation:

By finding the x intercepts you can determine when the ball hits the ground.

the second x intercept is (3.5,0), which means the ball hits the ground at 3.5 seconds

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The value of x satisfying both the equations 4x – 5 = y and 2x – y = 3, when y = -1 is
schepotkina [342]

Answer:

x = 1

Step-by-step explanation:

4x-5=y

4x-5= -1

4x = -1+5

4x=4

x=1

2x-y=3

2x-(-1)=3

2x+1=3

2x= 3-1

2x= 2

x=1

since the two answers for x are the same therefore:

x = 1

4 0
3 years ago
What are the intercepts of y = x + 5 (Remember that intercepts mean both x-intercept & y-intercept.) a) (5, 0) & ( 0, 5)
DaniilM [7]

Greetings from Brasil...

We have to remember 2 details:

→ When X = 0, the function intersects the Y axis

→ When Y = 0, the function intersects the X axis

So

1: X = 0

Y = X + 5

Y = 0 + 5

Y = 5

X = 0 and Y = 5 ⇔ (0; 5)

2: Y = 0

Y = X + 5

0 = X + 5

X = - 5

Y = 0 and X = - 5 ⇔ (- 5; 0)

Then the point at which the graph intersects the X and Y axis will be

(0; 5) and (- 5; 0)

7 0
3 years ago
Please help on this triangle
Arte-miy333 [17]

Answer:

h ≈ 13.4

Step-by-step explanation:

Since the triangle is right we can use the sine ratio to find h

sin48° = \frac{opposite}{hypotenuse} = \frac{h}{18}

Multiply both sides by 18

18 × sin48° = h

⇒ h = 13.4 cm ( to 1 dec. place )

3 0
3 years ago
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8 0
2 years ago
Un producto que se venda en una tienda cuesta 85.000 y tiene un 15% de descuento. El nuvo precio, ¿a que porcentaje equivale en
Margaret [11]

Answer:

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Step-by-step explanation:

7 0
2 years ago
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