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2 years ago

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Mathematics

2 answers:

galben [10]2 years ago

7 0

Answer:

Step-by-step explanation:

dsp732 years ago

4 0

Answer: 50 probably

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The original price of a camera is $150. If a discount of 30% is given, what is the discounted price of the camera?

MArishka [77]

So, 30% is 0.30, but since you are taking off 30%, you are going to have 70% of the price which is 0.70. The word "of" lets you know that you are going to multiply. So, what you do is 150•0.70=105. The discounted price is $105

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2 years ago

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Which statements are true based on the diagram? Check all that apply.

GrogVix [38]

First statement: False. Points K, M and N form a triangle.
Second statement: True. Points J, K, and Q are on the same line.
Third statement: False. KN and MQ intersect at N, not at R.
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Use function notation to write the equation of the line.

malfutka [58]

The answer is c. See explanation below.

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3 years ago

There are four consecutive integers. The sum of the first and third number is 140. what are the integers? please show work:)

marta [7]

69, 70, 71, and 72
69 and 71 are the first and third digits. 69+71=140

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2 years ago

It takes the hot water faucet twice as long to fill a bathtub as it does the cold water faucet. Left on together, the cold and h

Lerok [7]

Answer:

Step-by-step explanation:

Make a system of equations

Give the hot and cold faucets variables

Set x to be the minutes it takes for the hot water faucet to fill up the tub and Set y to be the minutes it takes for the cold water faucet to fill up the tub

She first equation is x = 2y because the hot faucet takes <em>2 times</em> as much time as the cold water

The second equation is x + y = 5 because if you add the number of minutes each takes to fill a tub, it will add up to 5 minutes

Now you have the equations

x = 2y

x + y = 5

So you can plug the first equation in for x in the second one to make

2y + y = 5

which equals 3y = 5

Then you divide 3 from both sides to get

y = $\frac{5}{3}$

Since y is the number of minutes the cold water faucet takes to fill the tub, then the cold faucet takes $\frac{5}{3}$ minutes for the cold water faucet to fill the tub itself

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2 years ago