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Roman55 [17]
3 years ago
9

41. What is the image of O(- 3, - 2) after two reflections, first across the line y = - 5 , then across the line x = 1 ? (1 poin

t) A(-3,-8)
B(-3,-2)
C (5,-2)
D(5,8)
D is correct please show me steps on why
Mathematics
1 answer:
liberstina [14]3 years ago
4 0

Answer:

D(5,-8)

Step-by-step explanation:

The given point is (-3,-2)

When we reflect in the line y=k, we use the rule (x, 2k-y)

This implies that:

(-3, - 2)\to (-3, 2*-5--2)

(-3, - 2)\to (-3,  - 8)

When we reflect in the line x=k, we use the rule

(x,y)\to (2k-x,y)

Now we have x=1

This implies that:

( - 3, - 8)\to (2 \times 1- - 3, - 8)

( - 3, - 8)\to (5, - 8)

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A horse weight is 700lb and needs medication that is 10mg per 100kg what is the horses weight in kg?
wel

Answer:

315 kg

Step-by-step explanation:

to find the weight of the horse:

1lb = 0.45 kg (rounded the .45)

(700lb) x (0.45)= 315

to find how much medicine they need:

315/10= 31.5

the horse wieghs 315kg meaning that they would need 31.5mg of medication.

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Describe how the point-slope formula is useful when writing the equation of a trend line
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3 years ago
Arrange 31/40, 78%, 0.7 in ascending order
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5 0
2 years ago
Read 2 more answers
The manager of a store that specializes in selling tea decides to experiment with a new blend. She will mix some Earl Grey tea t
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Let us say that:

x = mass from Earl Grey Tea

y = mass from Orange Pekoe Tea

 

So that:

x + y = 600

and that:

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3600 – 6y + 4y = 2700

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Answer:

<span> Earl Grey Tea = 150 pounds</span>

<span>Orange Pekoe Tea = 450 pounds</span>

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