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storchak [24]
3 years ago
14

4y+2x=180 solve for x and y

Mathematics
1 answer:
kirill [66]3 years ago
5 0
There you go!! Hope it helps

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It is known that the distance in metres through which a body falls freely varies directly as the square of the time taken. If a
erma4kov [3.2K]

Answer:

125 meters

Step-by-step explanation:

Let distance = d and time is t

Using the variation;

d = k t^2

So let’s us get k

80 = k * 4*2

16k = 80

k = 80/16 = 5

So for 5 seconds, the distance would be;

d = 5 * 5^2

d = 125 meters

4 0
3 years ago
Tory deposited 3100 and to a savings account that pays simple annual interest rate of 3.38% how much interest will she earn afte
sergiy2304 [10]

Answer:

$157.17

Step-by-step explanation:

Interest is the amount of return that someone receive on the amount invested in a bank or in a business. The annual interest rate is defined on the invested amount. The amount invested is called the principal and.

By applying the interest rate on the principal amount, we can calculate the annual interest earning.

Principal = $3,100

Rate of simple interest = 3.38% per year

Now, define the total time period.

Time period = 18 months = 18 / 12 = 1.5 years

Now calculate the Total interest earning.

Interest Earned = $3,100 x 3.38% x 1.5 = $157.17

4 0
3 years ago
Use the Side-Splitter Theorem to find x, given that PQ||BC . The figure is not drawn to scale.
MrRa [10]

Answer: x=12


Step-by-step explanation:

1. Accoding to the Side-Splitter Theorem, if a line interesect two sides of the triangle and it is parallel to the third side, then the other two sides are divided by the line proportionally.

2. Then, you can form the following proportion:

\frac{PA}{BP}=\frac{QA}{CQ}

3. Substitute values and solve for x:

\frac{8}{x}=\frac{12}{18}\\18*8=12x\\x=12


8 0
4 years ago
HELP!!!! which system of inequalities are shown?
guapka [62]

I believe the answer is b

3 0
4 years ago
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in the early months of some year once I added 0.5 million new accounts every day at this rate how many days would be needed to a
blagie [28]
It would take 60 days to add 30 million new accounts
7 0
3 years ago
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