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Sonja [21]
3 years ago
11

Please help thank you!!!

Mathematics
2 answers:
Andreas93 [3]3 years ago
5 0

Answer:

50 degrees

Step-by-step explanation:

53+77= 130

180-130= 50

kirill [66]3 years ago
4 0

Answer: 50º

Step-by-step explanation:

You know that the sum of all of the angles of a triangle are equal to 180º. Given 2 angles, we can use an equation to find the third angle. Let angle C be x

53º+77º+x=180º

130º+x=180º

Subtract 130

x=180º-130º

x=50º

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Patty made $34 babysitting on each of 3 weekends.If she spent $50 on gifts for her family ,how much money does she have left.
vekshin1
34 X 3= 102
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A=1/2(b)(h)

Step-by-step explanation:

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4 years ago
Antonio wants to invest $7600 in a saving account. Determine the interest rate (simple interest) required for Antonio’s investme
disa [49]
<h3>Interest rate required for Antonio’s investment to double in value in 12 years is 8.3 % per annum</h3>

<em><u>Solution:</u></em>

Given that,

Antonio wants to invest $7600 in a saving account

Antonio’s investment to double in value in 12 years

To find: Rate of interest

<em><u>The total amount using simple interest is given as:</u></em>

A = p(1+\frac{r}{100}t)

Where,

p is the principal

r is the rate of interest

t is the number of years

From given,

p = 7600

t = 12 years

r = ?

Antonio’s investment to double

Therefore,

A = 2(7600) = 15200

<em><u>Substituting the values we get,</u></em>

15200 = 7600(1 + \frac{r}{100} \times 12)\\\\\frac{15200}{7600} = 1 + 0.12r\\\\2 = 1 + 0.12r\\\\0.12r = 2 - 1\\\\0.12r = 1\\\\r = 8.333 \%

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Thus interest rate required for Antonio’s investment to double in value in 12 years is 8.3 % per annum

7 0
4 years ago
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kondaur [170]

Answer:

-8x^4 + 6x^3 + 12x^2 + 5x -9

Step-by-step explanation:

To write a polynomial in standard form, list its terms from highest to lowest degree. The degree of a term is represented by its exponents. Thus, rearrange the terms so that the terms with the highest exponents are first and the ones with the lowest are last.

6x^3-8x^4+5x+12x^2-9\\-8x^4 + 6x^3 + 12x^2 + 5x -9

Thus, -8x^4 + 6x^3 + 12x^2 + 5x -9 is the answer.

8 0
3 years ago
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