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3 years ago

What are the coordinates Y = 6x +11 2y-4x=14

Mathematics

1 answer:

Marizza181 [45]3 years ago

5 0

2(6x+11)-4x=14
12x+22-4x=14
8x=-8
x=-1

y=6(-1)+11
y=5

(-1,5)

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She would need to score 16 correct answers, because 80/5 = 16.

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4 years ago

How do I solve The sum of a number and 3 is subtracted from 10 the result is 5

meriva

State the given in the question

Given that the sum of a number and 3 is subtracted from, the result is 5

State what is to be found in the question

We are to find the number. In other to achieve this, we would follow the steps below:

Step 1: Represent the number with an unknown

Let x represent the number

Step 2: Interpret the given statement mathematically

If x is the number, then the sum of the number and 3 would be

$x+3$

Then the sum of a number and 3 subtracted from 10 would be

$10-(x+3)$

Finally, when the sum of a number and 3 subtracted from 10, the result is 5, would be

$10-(x+3)=5$

Step 3: Solve for x in the mathematical interpretation of the given statement

The value of x is as calculated as shown below:

$\begin{gathered} 10-(x+3)=5 \\ \text{Open the bracket or the parenthesis} \\ 10-x-3=5 \\ \text{collect like terms} \\ 10-3-5=x \\ 7-5=x \\ 2=x \\ \text{Therefore:} \\ x=2 \end{gathered}$

Hence, the number is 5

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1 year ago

How much would $600 be worth after 10 years, if it were invested at 4%

sesenic [268]

The worth after 10 years if it were invested at 4% interest compounded continuously is $ 895.094

<h3><u>Solution:</u></h3>

Given that $ 600 invested at 4 % interest compounded continously for 10 years

To find: total amount after 10 years

<em><u>The compound interest formula for compounded continously is given as:</u></em>

$A = p e^{rt}$

Where "p" is the principal

"r" is the rate of interest

"t" is the number of years

Here in this problem, p = 600

$r = 4 \% = \frac{4}{100} = 0.04$

t = 10 years

Substituting the values in formula we get,

$A = 600 e^{0.04 \times 10}\\\\A = 600 e^{0.4}\\\\A = 600 \times 1.49182469764\\\\A = 895.094$

Thus the worth after 10 years is $ 895.094

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3 years ago

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Answer:

if lines are parralel then corresponding angles are congruent and alternate exterior angles are congruent. if lines are parralel, them same side interior angles are suplementary and same side exterior angles are suplementary

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Answer:

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Step-by-step explanation:

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