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zhuklara [117]
3 years ago
13

•Let x represent the number of horses •the number of goats is 5 less than the number of horses •the total number of horses and g

oats is 21 What is x, the number of horses on the farm?
Mathematics
1 answer:
Nesterboy [21]3 years ago
8 0

Answer: x=13

Step-by-step explanation:  

(x-5) + x = 21  given

2x-5=21          combined like terms

2x=26             addition property of equality

x=13                 division property of equality

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TEA [102]

Answer:

13

Step-by-step explanation:

30 plus 9 is 39

6 minus 3 is 3

39 divided by 3 is 13

4 0
3 years ago
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5t+5=5t-4<br> Son's homework. Can anybody help me out here?
IceJOKER [234]

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A moving trailer with a speed of 70km/h slows down its speed by 15% within 30 seconds. calculate the declaration of the trailer.
antoniya [11.8K]

Answer:

declaration = - 0.55 m/s²

Step-by-step explanation:

The declaration is a negative accelaration.

Therefore:

a = \frac{v-u}{t}

a      = ?

v      = 70 of 15% = 10.5 km/h to m/s = 2.9 m/s

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t = 30 seconds

a = \frac{2.9-19.4}{30}\\

a = - 0.55 m/s²

7 0
3 years ago
Consider the function y=x^2+5x-2 . What would happen to the graph if (x -1) was substituted in place of the x?
Ilia_Sergeevich [38]

Answer:

B.

Step-by-step explanation:

f(x - c) shift the function <em>c</em> units to the right.

In this case, if (x - 1) was substituted in place of the x, the graph would shift 1 unit to the right.

If you want to graph the new function and know the graph of the previous one, this relationship avoids you the substitution of (x - 1) into the function and expansion of the expression to obtain a new quadratic formula.

3 0
3 years ago
Homework help needed​
ivanzaharov [21]

Answer:

B

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Since LMNO is a parallelogram then MN and LO are parallel, thus

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4 0
3 years ago
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