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vladimir1956 [14]
2 years ago
9

Fill in the blank so that the resulting statement is true.

Mathematics
1 answer:
Vesna [10]2 years ago
4 0

Answer:

x dollars invested at 13% means

{( 13 /100 )*x} = 0.13x , is being invested.

and 15000-x dollar is being invested at 9% means

{( 9/100) * (15000-x)} = 0.09(15000-x) , is being invested.

so from here we can get that total amount that is being invested is {0.13x + .09(15,000 - x)}.

so,

0.13x + 1350 - 0.09x

0.04x + 1350 dollars

so total amount has being invested is 0.04x + 1350 dollars.

if here x dollar value is given then we can get the total numerical value of invested dollar money.

Know more about “percentage” here: brainly.com/question/28361549

#SPJ49

Disclaimer: the question was given incomplete on the portal. Here is the Complete Question.

Question: The combined yearly interest of x dollars invested at 13% and 15000 - x dollars invested at 9% is?

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In t hours the train has traveled s miles. Find the formula for v, the speed of the train (in mph) in terms of t and s. Find the
Digiron [165]

Answer:

Part 1 .

As per the given statement: In t hours the train has traveled s miles.

Distance of the train = s mile

Time = t hours

Formula for :

Speed of the train(v) = \frac{\text{Distance of the train}}{\text{Time}}

or

v = \frac{s}{t} mph           .....[1]

Substitute the value of t = 3 hours and s = 180 miles in [1], to solve for v;

v = \frac{180}{3} = 60 mph

Therefore, the speed of the train(v) is, 60 mph

Part 2.

Similarly,

The formula for speed of the train (v) is given by;

v =\frac{s}{t}

Substitute the value of t = 2.5 hours and s = 225 miles to solve for v;

v = \frac{225}{2.5} = 90 mph

Therefore, the speed of the train(v) is, 90 mph


7 0
3 years ago
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1. A line passes through the points (3, 15) and (9, 45). What is the slope of this line?​
Orlov [11]

Answer:

m=5

Step-by-step explanation:

      Y2-Y1

m= ______

      X2-X1

X1= 3

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X2= 9

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45-15     30

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6 0
3 years ago
Travis jogged to his friend's house 10 miles away and then got a ride back home. It took him 2 hours longer to jog there than ri
spin [16.1K]

Using the relation between velocity, distance and time, it is found that his jogging rate was of 4.5 mph.

<h3>What is the relation between velocity, distance and time?</h3>

Velocity is <u>distance divided by time,</u> hence:

v = \frac{d}{t}

Jogging, his velocity was of v, while the time was of t + 2, for a distance of 10 miles, hence:

v = \frac{10}{t + 2}

Riding, his velocity was of 16, while the time was of t, also for a distance of 10 miles, hence:

v + 16 = \frac{10}{t}

Then, considering the first equation and replacing in the second:

\frac{10}{t + 2} + 16 = \frac{10}{t}

\frac{10}{t} - \frac{10}{t + 2} = 16

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16t² + 32t - 20 = 0 -> t = 0.5.

Then his jogging rate in mph was:

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More can be learned about the relation between velocity, distance and time at brainly.com/question/24316569

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8 0
2 years ago
Kayleigh uses a wire to make bows for bouquets at her flower shop she will cut a piece of wire that is 97.5 centimeters long int
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They will each be 9.75 cm long

Hope this helps!
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