3 years ago

Gkfkdkfkfxnxnjdfjfjcjcjcjdckfkfkckxkckcjcncncncnc

Mathematics

1 answer:

Rina8888 [55]3 years ago

5 0

Answer:

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Step-by-step explanation:

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What fraction is equivalent to 80%

Gnesinka [82]

Percent means parts out of 100
80%=80/100=8/10=4/5

8 0

3 years ago

Read 2 more answers

Help please ASAP please I’ll mark you as brainlister

storchak [24]

Answer:

a = 4

Step-by-step explanation:

$\sin(theta) = \frac{opposite}{hypotenuse}$

$\cos(theta) = \frac{adjacent}{hypotenuse}$

$\tan(theta) = \frac{opposite}{adjacent}$

hypotenuse = a

opposite = 2√3

adjacent = b

theta = 60°

the best formula to use is the first formula cause we have all the values to substitute in it in order to find the value of a

$\sin(60) = \frac{2 \sqrt{3} }{a}$

$\frac{2 \sqrt{3} }{ \sin(60) } = a$

$4 = a$

$a = 4$

4 0

3 years ago

Solve the following equation for x.

Drupady [299]

Answer:

$6 {x}^{2} + 54x + 120 = 0 \\ factors : 4 \: and \: 5 \\ = (6x + 24)(x + 5) \\ = > x = -4 \: and \: - 5$

5 0

3 years ago

You need 120 pieces of chalk for art day. your teacher gar 6 boxes of chalk. Each box he's 18 pieces of chalk. Is that enough ch

Viktor [21]

Answer:

Step-by-step explanation:

6 time 180 is only 108

108<120

There is not enough chalk.

6 0

2 years ago

One number is five more than a second number. The product of the numbers is 3,300. Find the two numbers

krek1111 [17]

A = b+5
ab = 3300
(b+5)b = 3300
b² +5b -3300 = 0 (quadratic formula)
b=55
a=60 (by first relation)

7 0

3 years ago

Gkfkdkfkfxnxnjdfjfjcjcjcjdckfkfkckxkckcjcncncncnc​

Gkfkdkfkfxnxnjdfjfjcjcjcjdckfkfkckxkckcjcncncncnc