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4 years ago

Please if anyone can help me

Mathematics

2 answers:

Oxana [17]4 years ago

6 0

theyre is no solution

Sholpan [36]4 years ago

4 0

You can subtract 7t from both sides of the equation. This gives

... 7t -7t +3 = 8 +7t -7t

... 3 = 8 . . . . . an obvious FALSE mathematical statement

There is no value of t that will make this statement true.

The given equation has NO SOLUTION.

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AleksandrR [38]

8-3=5 or 8-5=3

Is that what your looking for?

8 0

4 years ago

A/3-9/2=2a+1 solve for a

Nataliya [291]

I think it’s 3 because

6 0

4 years ago

Ernesto has $20 in an account. The interest rate is 10% compounded annually.

chubhunter [2.5K]

The interest Ernesto will earn in 1 year to the nearest cent is 2200 cents.

<u>Given the following data:</u>

Principal = $20.

Interest rate = 10%

Time = 1 year.

To calculate how much interest Ernesto will earn in 1 year to the nearest cent:

<h3>How to calculate compound interest.</h3>

Mathematically, compound interest is given by this formula:

$B=P(1+r)^t$

<u>Where:</u>

B is the balance.

P is the principal or starting amount.

R is the interest rate.

T is the time measured in years.

Substituting the given parameters into the formula, we have;

$B=20(1+0.1)^1\\\\B=20(1.1)$

B = $22.

<u>To cents:</u>

B = $22 \times 100$

B = 2200 cents.

Read more on interest here: brainly.com/question/24341207

4 0

2 years ago

What is the slope of (-1,-7) (1,5)

vodka [1.7K]

To find slope, use the form y1 - y2/x1 - x2. Using these points, that would look like:
-7 - 5/-1 - 1 or -12/-2, which simplifies to 6.
The slope is 6. Hope this helps with slope.

7 0

3 years ago

Find the circumference of the circle.

Studentka2010 [4]

Answer:

11 $\pi$

Step-by-step explanation:

To find the circumference of a circle, the formula is:

d * $\pi$ = c

We already know the diameter, so we just plug that in:

11 * $\pi$ = c

11 $\pi$ = c

Let me know if you have any questions.

5 0

3 years ago