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1 year ago

1.777... repeating decimal as a fraction in simplest form

Mathematics

1 answer:

Volgvan1 year ago

8 0

Answer: I believe it would be something like,
1.7 but the 7 has a wavy line on top

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ASAP -1/8(2h+4)+1/2=-7/4 a.7 b.25/16 c.7/16 d.25

Sophie [7]

Answer is: Solve for h by cross multiplying.

h = 7

So A. 7 is the correct answer.

4 0

3 years ago

In a ABC, BD is perpendicular to AC.The dimensions are shown in centimeters. What is the lenght, in centimeters, of AC?

liq [111]

I need to know the dimensions to solve. Ex: "Line AC is 2.5 centimeters"
My bad - should've asked that under "Ask For Details."
Sorry :(

4 0

3 years ago

Please help with this question

natita [175]

Answer:

$12\sin{(2\theta)}\cos{(\theta)}$

Step-by-step explanation:

The appropriate trig identity is ...

$\sin{a}+\sin{b}=2\sin{\left(\dfrac{a+b}{2}\right)}\cos{\left(\dfrac{a-b}{2}\right)}$

Here, you have a scale factor of 6 and a=3θ, b=θ. Filling in these values gives ...

$6\sin{3\theta}+6\sin{\theta}=12\sin{\left(\dfrac{3\theta+\theta}{2}\right)}\cos{\left(\dfrac{3\theta-\theta}{2}\right)}\\\\=12\sin{(2\theta)}\cos{(\theta)}$

8 0

3 years ago

What is 2 3/7 times 1/2

avanturin [10]

Answer:

1 3/14

Step-by-step explanation:

You divide everything by 2 because it is a fraction.

3 0

3 years ago

Find the value of x. Round the length to the nearest tenth.

Mamont248 [21]

From right triangle trigonometry, we have the following:

$\displaystyle{ tan(35^o)= \frac{opposite \ side }{adjacent \ side }$ ,

where the "opposite side" means the opposite side to angle with measure $35^o$ , and "adjacent side" means the adjacent side to angle with measure $35^o$ .

$tan(35^o)$ is a constant which can be found using a calculator.

In the calculator of the pc press: view - scientific - 35 - tan.

This gives $tan(35^o)=0.7$

Thus, back in the equation $\displaystyle{ tan(35^o)= \frac{opposite \ side }{adjacent \ side }$ we substitute as follows and solve:

$\displaystyle{0.7= \frac{x }{12 }\\\\$

$x=0.7\cdot12=8.4$

Answer: 8.4 cm

5 0

3 years ago

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