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3 years ago

Find the sum of the interior angle measures of a 7-gon

Mathematics

1 answer:

stiks02 [169]3 years ago

4 0

Answer:

900

Step-by-step explanation:

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7a+3 if a= —2 ? —3y- 9 if Y= —8?

Alexandra [31]

If a= -2, we plug -2 in replacement of a.
7(-2) + 3 = ?
Multiply before adding.
-14 + 3.
-11 is the answer for A.
If y= -8, we plug in -8 in replacement for y.
-3 x -8 (multiplying two negatives makes a positive).
-24 -(9) = ?
Subtracting a negative from a negative is basically adding to the negative.
-33 is the answer for Y.
I hope this helps!

6 0

3 years ago

Read 2 more answers

Anna starts a fixed deposit with $178000, the bank offers 9.5% per year simple interest for 8 months. she has the option of rest

soldier1979 [14.2K]

Using simple interest, we have that:

A) The interest due after 8 months is $11,272.33.

B) The total value of the investment will be of $189,986.24.

The amount of interest earning using simple interest, after t years, with an yearly interest rate of i and an initial investment of P is given by:

$E = Pit$

In this problem:

Deposit of $178,000, hence $P = 178000$ .
Interest rate of 9.5% per year, hence $i = 0.095$ .
8 months, the time is in years, hence $t = \frac{8}{12} = \frac{2}{3}$

Item a:

$E = Pit$

$E = 178000(0.095)\frac{2}{3} = 11272.33$

The interest due after 8 months is $11,272.33.

Item b:

For the second interest, we consider $P = 11272.33$ , hence:

$E_2 = Pit$

$E_2 = 11272.33(0.095)\frac{2}{3} = 713.91$

The total value will be composed by:

The initial deposit of $178,000.
The first interest of $11,272.33.
The second interest of $713,91.

Hence, it will be:

$T = 178000 + 11272.33 + 713.91 = 189986.24$

The total value of the investment will be of $189,986.24.

A similar problem is given at brainly.com/question/13176347

3 0

3 years ago

I need help with number 5 can someone please help meeeeee

ddd [48]

Answer:

60-15=45 the answer is 45 hours

3 0

3 years ago

Write 7x7x7 as a base and an exponent (2ps possilbe)

Alexandra [31]

Answer:

$7^{3}$

Step-by-step explanation:

7 is being multiplied by itself 3 times meaning it's to the power of 3 so the base is 7 while the exponent is 3.

6 0

3 years ago

Whats the domain for this equation?

fgiga [73]

Strictly speaking an equation does not have a domain. A function does. Though it may make sense to speak about a solution set to this equation over a domain.

The following could be helpful towards an answer: The equation has two sides. The left hand side is a non-linear function and the right hand side is a line with slope -1 and y-intercept of 1.

The function $\log_5(6-5^x)$ has a domain over all Reals x for which it holds $6-5^x > 0 \\6 > 5^x\\\log_5 6 > x$ so the domain of the nonlinear function is $-\infty$ .

The domain of the linear function 1-x is all Reals: $-\infty$

So, together you could say the equation's solutions are defined over the domain $-\infty$ .

Lmk if you have questions.

7 0

3 years ago