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Ne4ueva [31]
3 years ago
11

Square root of 16x^2y^4

Mathematics
1 answer:
motikmotik3 years ago
7 0
4xy^2





.......................
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Put a dot in the middle and put a line up on one side and across the sides
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Trigonometry questions
trasher [3.6K]

We'll use standard labeling of right triangle ABC, C=90 degrees, legs a, b, hypotenuse c.

11.

Right triangle, cliff peak A, boat B, angle opposite cliff is B=28.9 deg. adjacent leg a=65.7 m, cliff height is leg b.

tan B = b/a

b = a tan B = 65.7 tan 28.9° = 36.3 m

12.

Similar story, boat at B, opposite b=3.5 m, rope c=12 m

sin B = b/c

B = arcsin b/c = arcsin (3.5/12) = 17.0°

13.

c=124 m, A=58°

sin A = a/c

a = c sin A = 124 sin 58 = 105.2 m

14.

That's a hypotenuse c=4-1.2 = 2.8 m to a height b=1.8m so

cos A = b/c

A = arccos b/c = arccos (1.8/2.8) = 50.0°

15.

Not a right triangle, an isosceles triangle.  Half of it is a right triangle with hypotenuse one arm, c=9.8 cm and angle opposite half the base of B=62/2=31°.  We're after d=2b:

sin B = b/c

b = c sin B

d = 2b = 2 c sin B = 2(9.8) sin 31 = 10.1 cm

Almost equilateral


4 0
3 years ago
A department store sells a pair of shoes with a 80% markup. If the store bought the pair of shoes for $55.25. Round the price to
AleksandrR [38]

Answer:

$31.00

Step-by-step explanation:

that is the procedure above

6 0
3 years ago
(Solving Equations) Ken has $20.00. Coffee costs $4.79 per pound. Which equation will calculate the number of pounds of coffee,
aev [14]

Answer: A. 4.79(n)=20.00

Step-by-step explanation:

we need to find what amount of coffee (per pound) is equivalent to $20.00

so we take the unknown amount (n) and multiply it by $4.79

for example, say Ken wants 4 pounds, we need to know if it is equivalent to $20.00

so take 4.79 and multiply it by 4 to see if it is equal to or less than $20.00 in this case $4.79 x 4 = $19.16  

hope this helps (^_^)

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What is the slope of the line that goes through (0,0) (5,1)
GalinKa [24]
Hey there!

In order to solve this problem, we can use the slope given two points formula:

y2-y1/x2-x1

Now, we can plug in our points to get:

1-0/5-0 = 1/5

Your answer is 1/5, or B.

Hope this helps!
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3 years ago
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