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Semmy [17]
3 years ago
10

When you reflect a point over the x-axis you negate the y value. True False

Mathematics
1 answer:
Brums [2.3K]3 years ago
6 0

Answer:

True.

Step-by-step explanation:

The rule for reflecting the X value is to negate the Y value but leave the X as it is.

Example: K= (7,2) when reflected it would be (7,-2).

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Salve this proportion 15/35=g/7
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G is equivalent to 3
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What is 82% of $5.00? Is the answer going to be more or<br> less than $2.50, Why?
ArbitrLikvidat [17]

Answer:

Part A) 82% of $5.00 is $4.10.

Part B) Less, because $5.00 is 2x as much as $2.50, therefore anything over 50% would be less, and anything under would be more.

7 0
2 years ago
A and B have coordinates –2 and 10 on a number line. If it is marked off into 10 congruent segments, which one of the following
Rasek [7]
Your answer will be D
8 0
3 years ago
Read 2 more answers
You decide to enter in a rowing competition. To train, you go to the boat house and begin rolling down stream. You row for the s
fredd [130]

Answer:

Time spent rowing down stream =100\ seconds

Speed of boat in still water =14\ ms^{-1}

Step-by-step explanation:

Let speed of boat in still water be = x\ ms^{-1}

Speed of current = 10\ ms^{-1}

Speed of boat down stream = \textrm{Speed of boat in still water +Speed of current}= (x+10)\ ms^{-1}

Distance rowed down stream = 2400 m

Time spent rowing down stream = \frac{Distance}{Speed}=\frac{2400}{x+10}\ s = \frac{Distance}{Speed}=\frac{2400}{x+10}\ s

Speed of boat up stream = \textrm{Speed of boat in still water -Speed of current}= (x-10)\ ms^{-1}

Distance rowed up stream = \frac{1}{6} \textrm{ of distance rowed downstream}=\frac{1}{6}\times 2400 = 400\ m

Time spent rowing up stream = \frac{Distance}{Speed}=\frac{400}{x-10}\ s

We know that,

\textrm{Time spent rowing down stream =Time spent rowing up stream}

So,

\frac{2400}{x+10}=\frac{400}{x-10}

Cross multiplying

2400(x-10)=400(x+10)

Dividing both sides by 400

\frac{2400(x-10)}{400}=\frac{400(x+10)}{400}

6(x-10)=x+10

6x-60=x+10

Adding 60 to both sides.

6x-60+60=x+10+60

6x=x+70

Subtracting both sides by x

6x-x=x+70-x

5x=70

Dividing both sides by 5.

\frac{5x}{5}=\frac{70}{5}

∴ x=14

Speed of boat in still water =14\ ms^-1

Time spent rowing down stream =\frac{2400}{14+10}=\frac{2400}{24}=100\ s

3 0
3 years ago
Marisa bought four bottles of water.Each bottle of water was 95 cents. Write an equation with the same product as the total cost
meriva

Answer:

5\times 0.76= 3.8

Step-by-step explanation:

Given: Marisa bought four bottles

          Price of each bottle is $0.95.

Solving with the factors as given to find the total cost paid by Marisa.

Total cost= 4\ bottles\times \$ 0.95= \$ 3.8

∴ Total cost paid by Marisa is $3.8.

As given to write an equation with the same product as the total cost but different factors.

∴ Lets assume the number of bottles bought by Marisa be "5" and cost of each bottle be "x"

We already find the total cost she paid is $3.8.

Now, writing an equation with different factors, as total cost remain same.

5\times x= 3.8

Dividing both side by 5

we get x= $ 0.76

∴ The required equation is 5\times 0.76= 3.8

6 0
3 years ago
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