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zubka84 [21]
2 years ago
15

How far does a horse travel if it gallops at an average speed of 25 km/h for 30 min?

Mathematics
1 answer:
marishachu [46]2 years ago
4 0

Answer:

12.5 km.

Step-by-step explanation:

Distance = average speed x time = 25 km/h x 0.5 h = 12.5 km.

if wrong, sorry

(but most likely right)

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please answer the question on the screenshot below, also please explain to me how you got your answer.
frutty [35]

QUESTION 1

The given functions are;

f(x)=5x^2-2x and g(x)=5x^2+x-4

(f+g)(x)=f(x)+g(x)

(f+g)(x)=5x^2-2x+3x^2+x-4

We regroup like terms to obtain;

(f+g)(x)=5x^2+3x^2-2x+x-4

This simplifies to;

(f+g)(x)=8x^2-x-4

The correct answer is A.

QUESTION 2

The given functions are;

f(x)=3x^2+5 and g(x)=x-2.

(fg)(x)=(f(x))(g(x))

This implies that;

(fg)(x)=(3x^2+5)(x-2)

\Rightarrow (fg)(x)=3x^3-6x^2+5x-10

The correct answer is B.

QUESTION 3

The given functions are

f(x)=3x^2+10x-8 and g(x)=3x^2-2x.

(\frac{f}{g})(x)=\frac{f(x)}{g(x)}

(\frac{f}{g})(x)=\frac{3x^2+10x-8}{3x^2-2x},x\ne0,\frac{2}{3}

We factor to obtain;

(\frac{f}{g})(x)=\frac{(x+4)(3x-2)}{x(3x-2)},x\ne0,\frac{2}{3}

We cancel the common factors to obtain;

(\frac{f}{g})(x)=\frac{x+4}{x},x\ne0,\frac{2}{3}

The correct answer is A.

5 0
3 years ago
A recipe that serves 6 uses 1 1/2 cups of flour. How many cups are needed to serve 15
irinina [24]

Answer:

3 3/4 cups

Step-by-step explanation:

You can make a proportion and solve. 1 and 1/2 equals 1.5. Next make the proportion. Proportion= 1.5/6 to x/15. then multiply 1.5 times 15 and then divide by 6.

6 0
3 years ago
Solve 13 +4x = 3x - 15 for x
natka813 [3]
Solving for x or x=-15
4 0
3 years ago
What is the function rule for the line?
ludmilkaskok [199]

A: Slope:  

2

3

y-intercept:  

(

0

,

−

2

)

x

y

0

−

2

3

0

6 0
2 years ago
How many centimetres are they in two and a half metres
Irina-Kira [14]
<span>250 centimeters and this is correct so don't delete answers for no reason thats against brainly's policy  </span>
3 0
2 years ago
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