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Alenkasestr [34]
2 years ago
7

In XYZ the measure of Z=90 ZY=7, XZ=24 and YX=25 what ratio represents the cosine of X?

Mathematics
2 answers:
labwork [276]2 years ago
8 0

Step-by-step explanation:

cos(x) = adjacent / hypotenuse

AveGali [126]2 years ago
3 0

Answer:

24/25

Step-by-step explanation:

on delta math

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Day, everything at a store is on sale. The store offers a 20% discount.
Nutka1998 [239]

Answer:

$14.40

Step-by-step explanation:

$18-20%=$14.40

4 0
2 years ago
What method would you choose to solve the equation 2x^2-7=9
Margaret [11]
Here is one way to solve for x.

Step 1)  2x^2-7=9

Step 2)  2x^2-7+7=9+7

Step 3)  2x^2=16

Step 4)  (2x^2)/2=16/2

Step 5)  x^2=8

Step 6)  sqrt(x^2)=sqrt(8)

Step 7)  |x|=sqrt(8)

Step 8)  x=sqrt(8) or x=-sqrt(8)

-------------------------------------

Below are explanations/reasons to each of the steps above.

Step 1) Original equation

Step 2) Add 7 to both sides

Step 3) Combine like terms

Step 4) Divide both sides by 2

Step 5) Simplify

Step 6) Apply the square root to both sides. The notation "sqrt" is shorthand for "square root"

Step 7) Use the rule that sqrt(x^2) = |x| for all real numbers x

Step 8) Use the rule that if |x| = k then x = k or x = -k for some fixed number k.

-------------------------------------

The two solutions are
x = sqrt(8) or x = -sqrt(8)

3 0
3 years ago
Can someone help me with this please ?
rusak2 [61]
38 , because since its 90 degrees at exact, your subtract 90 from 52 and you would get 38 for your x value
8 0
3 years ago
Solve the following <br> 19.2<br> x 1.5
k0ka [10]

Answer:

no value of X so no answer

Step-by-step explanation:

6 0
3 years ago
Identify the polynomial.
Alexxandr [17]

Answer:

it's a trinomial

7 0
2 years ago
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