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3 years ago

Find x. Round your answer to the nearest tenth of a degree. 25

Mathematics

2 answers:

vitfil [10]3 years ago

7 0

Answer:

Step-by-step explanation:

Karolina [17]3 years ago

3 0

30 degrees 25 is near 30

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What is the mesure of 5

gladu [14]

Answer:

Step-by-step explanation:

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3 years ago

How much money should be deposited today in an account that earns 7% compounded semiannually so that it will accumulate to $12,0

Korvikt [17]

Given rate is = 7% or 0.07

Total amount needed = $12000

Time = 4 years

Here, the deposit is compounded semiannually, means twice per year and this gives 8 annual compounding periods in 4 years.

The equation becomes:

P= $\frac{12000}{(1+\frac{0.07}{2})^{2.4}}$

P = $\frac{12000}{1.035^{8}}$

Solving it, we get P = $ 9112.93

Hence $9112.93 should be deposited today.

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3 years ago

Pllllllllllllllllllllleasee one guys i neeed ur help one

Svetllana [295]

${ \qquad\qquad\huge\underline{{\sf Answer}}}$

Let's solve ~

Calculate discriminant :

$\qquad \sf \dashrightarrow \: 3 {x}^{2} + 6x - 1$

a = 3
b = 6
c = 1

$\qquad \sf \dashrightarrow \: discriminant = {b}^{2} - 4ac$

$\qquad \sf \dashrightarrow \: d = (6) {}^{2} - (4 \times 3 \times 1)$

$\qquad \sf \dashrightarrow \: d = 36 - 12$

$\qquad \sf \dashrightarrow \: d = 24$

$\qquad \sf \dashrightarrow \: \sqrt {d} = 2 \sqrt{6}$

Now, let's calculate it's roots ( x - intercepts )

$\qquad \sf \dashrightarrow \: x = \cfrac{ - b \pm \sqrt{d} }{2a}$

$\qquad \sf \dashrightarrow \: x = \cfrac{ - 6\pm 2 \sqrt{6} }{2 \times 3}$

$\qquad \sf \dashrightarrow \: x = \cfrac{ - 6\pm 2 \sqrt{6} }{6}$

So, the intercepts are :

$\qquad \sf \dashrightarrow \: x = \cfrac{ - 6 - 2 \sqrt{6} }{6}$

and

$\qquad \sf \dashrightarrow \: x = \cfrac{ - 6 + 2 \sqrt{6} }{6}$

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2 years ago

Read 2 more answers

Simplify 2(x + 6) - 8

Kruka [31]

Answer:

2x+4

Step-by-step explanation:

please give me a brainliest!!

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3 years ago

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The number of students in sixth grade is 1.03 times the number of students in seventh grade. What percent is equivalent to 1.03?

Minchanka [31]

Move the decimal to the right twice to make this into a percent:

1.03 —-> 103%

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2 years ago