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Snezhnost [94]
3 years ago
14

Please answer this in two minutes

Mathematics
1 answer:
noname [10]3 years ago
3 0

Answer:

60°

Step-by-step explanation:

tan 60 = sin 60 / cos 60

= [(root 3) / 2] ÷ [1/2]

= root 3

[sin 60 = (root 3) / 2 ; cos 60 = 1 / 2 ]

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Solve 2 cube root 8x+9=5
Alborosie
2 times the cube root of 8x+9=5
divide both sides by 2
cube root of 8x+9=2.5
cube everybody (put to 3rd power)
8x+9=2.5^3
8x+9=15.625
minus 9 both sides
8x=6.625
divie both sides by 8
x=0.828125
7 0
3 years ago
Calculate the length of AC to one decimal place in the trapezium below.
a_sh-v [17]

Answer:

First we will split trapezium on two geometric figure.

One is rectangle and the second is right triangle.

When we subtract 11-4=7cm  we get one cathetus of the right triangle a=7cm also we know hypotenuse which is c=16cm.

We will use Pythagorean theorem to find the second cathetus b

b=√16∧2-7∧2= √256-49= √207 ≈ 14.39cm =DC =>

AC =√(DC)∧2+(AD)∧2= √14.39∧2+11∧2= √207+121= √328= 18.1cm

AC=18.1cm

Good luck!!

7 0
3 years ago
Which one is greater 7 pounds or 70 ounces
eimsori [14]

Answer:

7 pounds is greater

Step-by-step explanation:

1 lb = 16 oz

7 lb = 112 oz

70 oz is 70 oz

8 0
2 years ago
Read 2 more answers
A jar has 15 pink gumballs, 22 green gumballs, 19 red gumballs, and 19 yellow gumballs. Which colored gumball has the greatest p
Phoenix [80]

Answer:

green

Step-by-step explanation:

the one with the most gumballs compared to the other colors is the most likely

7 0
3 years ago
Read 2 more answers
Suppose that $4500 is placed in an account that pays 19% interest compounded each year.
Marat540 [252]

Answer:

a) 5355

b) 6372.45

Step-by-step explanation:

4500 * 1.19 = 5355

5355 * 1.19 = 6372.45

7 0
3 years ago
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