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daser333 [38]
3 years ago
10

Someone help plz make sure it’s right! :)

Mathematics
1 answer:
jarptica [38.1K]3 years ago
5 0

Answer:

CosA=3/5

Step-by-step explanation:

Hope it helps you!

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Ten years ago. Phukan is 18 years younger than Namwan.Currently, the sum of their ages is 100 years. Find their current ages.
yawa3891 [41]

Step-by-step explanation:

phukan = x

Nanwan = y

let this be a simultaneous equation.

x - y = 18.... equation i

x + y = 100.... equation ii

subtract equation i from equation ii

= 2y = 118

y = 59

substitute y = 59 in equation ii to get x

x + 59 = 100

x = 100- 59

x = 41

Nanwan = 59, Phukan = 41

4 0
3 years ago
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10 qt into gallons and quarts​
Inga [223]

Answer:

qt is quarts so it would be 10 quarts and 2.5 gallons is 10 quarts

Step-by-step explanation:

4 0
4 years ago
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Kristin bought a pack of 12<br> pencils for $1.25. How<br> much was each pencil?????????????
gregori [183]

Answer:

$0.10/pencil

Step-by-step explanation:

Find the unit cost.  To do this, divide $1.25 by 12 pencils, obtaining:

 $1.25

---------------- = $0.1042/pencil, or (more logically) $0.10/pencil

12 pencils

5 0
4 years ago
What is the algebraic expression for the following word phrase: the product 4 more than x and 6?
Dmitry [639]

Answer: b. 6(x + 4)


Step-by-step explanation:

The given word phrase = the product 4 more than x and 6

where , 4 more than x is equivalent to x+4

Therefore the algebraic expression for the given word phase "the product 4 more than x and 6"

=6\times(x+4)

\\=6(x+4)

Hence b. is the right option.

The algebraic expression for the given word phase is \\6(x+4)

3 0
3 years ago
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Which system of equations can be used to find the roots of the equation 12 x 3-5x=2 x 2+x+6
kirill [66]

Answer:

Option (a) is correct.

The system of equation becomes

y=12x^3-5x\\\\ y=2x^2+x+6

Step-by-step explanation:

Given : Equation  12x^3-5x=2x^2+x+6

We have to construct a  system of equations that  can be used to find the roots of the equation 12x^3-5x=2x^2+x+6

Consider the given equation 12x^3-5x=2x^2+x+6

To construct a system of equation put both sides of the given equation equal to a same variable.

Let the variable be "y", Then the equation 12x^3-5x=2x^2+x+6

becomes,

12x^3-5x=y=2x^2+x+6

Thus, The system of equation becomes

y=12x^3-5x\\\\ y=2x^2+x+6

Option (a) is correct.

   

8 0
3 years ago
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