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Svetlanka [38]
3 years ago
15

Please help me i will mark brainlest

Mathematics
1 answer:
valkas [14]3 years ago
4 0
The answer is to the problem is 120 °
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What is the answer to 7/8+4.2-4/5 equals what
natta225 [31]
So, first turn your fractions into decimals. ⅞ = 0.875 which rounded is 0.88. 4/5 = 0.8. Next, put the decimals into the equation to replace the fractions. 0.88 + 4.2 - 0.8. Next solve the problem. So 0.88 + 4.2 = 5.08. Now your equation should look like this 5.08 - 0.8. Then subtract 0.8 from 5.08 which gives you 4.28. So 4.28 is your answer.
7 0
3 years ago
The price of an item has been reduced by $8.39 . The new sale price is $51.23. What was the original price?
Karolina [17]

Answer:59.62

Step-by-step explanation:

0riginal price=selling price+discount

=51.23+8.39

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6 0
3 years ago
If sin theta = 2/3, which of the following are possible
Ira Lisetskai [31]
Sin ø = opposite/hypotenuse = 2/3, cos ø = adjacent/hypotenuse = ?/3, tan ø = opposite/adjacent = 2/?, sec ø = 1/cos ø

to solve ?, Pythagorean theorem must be applied
hypotenuse^2 = adjacent^2 + opposite^2

Manipulating the equation to find the adjacent value = ?

adjacent = sqrt(hypotenuse^2 - opposite^2) = sqrt(9-4)
adjacent = sqrt(5)

so cos ø = sqrt(5)/3, tan ø = 2/sqrt(5) and sec <span>ø = 3/sqrt(5) since the value is positive the possible equivalent trigonometric function should be positive, the answer should be b </span>

3 0
3 years ago
Read 2 more answers
Find x,y and 2. (leave answer in simplest radical form) *
True [87]

Answer:

x = 32

y = 16sqrt(5)

z = 8sqrt(5)

Step-by-step explanation:

x/16 = 16/8

x/16 = 2

x = 32

y^2 = 16^2 + 32^2

y^2 = 1280

y = 16sqrt(5)

z^2 = 8^2 + 16^2

z^2 = 320

z = 8sqrt(5)

3 0
3 years ago
For every for female students in a training class there are two men what is the ratio of female to male students
Katyanochek1 [597]

For every for female students in a training class there are two men what is the ratio of female to male students.

Answer:

1:2

5 0
3 years ago
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