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goblinko [34]
3 years ago
14

Which number is greatest? 2.89 x 10- O 1.997 x 102 8.9x10-6 o O Ex. 106

Mathematics
1 answer:
vitfil [10]3 years ago
8 0
2.89x10- is the correct answer
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Find the area of the kite with the given information.​
inessss [21]

Answer:

Area of the given kite = 84 square inches.

Step-by-step explanation:

Properties of the diagonals of a kite,

1). Diagonals are perpendicular to each other.

2). Longer diagonal bisects the smaller one.

Therefore, Length of smaller diagonal BD = 2×6 = 12"

In right ΔAEB,

m∠ABE = m∠EAB = 45°

Therefore, in isosceles triangle AEB,

AE = BE = 6"

Now the length of longer diagonal AC = AE + EC

AC = 6" + 8"

     = 14"

Area of the given kite ABCD = \frac{1}{2}(d_1)(d_2)

                                                = \frac{1}{2}(AC)(BD)  

                                                = \frac{1}{2}(14)(12)

                                                = 84 square inches

3 0
3 years ago
How do you solve equations that contain multiplication or division
alexira [117]
Left to right. Whatever comes first (multiplication or division) you do. This is all part of the PEMDAS/Order of operations.

Hopefully I solved your problem! :)
6 0
3 years ago
How do I solve this?<br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B3x%7D%7B8%7D%20%20-%201%20%3D%20%20%5Cfrac%7B5%7D%7B8%7D%
AURORKA [14]

To solve this problem, we first have to combine the two fractions on the left side of the equation.  To do this, we must make a common denominator of 8.  Because 8/8 is equal to 1, we can substitute this value into the equation:

3x/8 - 8/8 = 5/8

Next, we can subtract the fractions on the left side of the equation to simplify.  Remember that if fractions have the same denominator, we simply subtract their numerators and keep the difference over the common denominator.

3x - 8/8 = 5/8

Since both sides of the equation have a denominator of 8, we can cancel out this denominator on both sides by multiplying both sides by 8.  This gives us:

3x - 8 = 5

Next, we should add 8 to both sides of the equation so that we can get all of the constants to the right side of the equation.

3x = 13

Finally, we should divide both sides by 3 to get the variable alone on the left side of the equation.

x = 13/3

Therefore, your answer is x = 13/3.

Hope this helps!

7 0
3 years ago
The red stripe on a barber pole makes two complete revolutions around the pole. The pole is 260 cm high, and 14 cm in diameter.
jok3333 [9.3K]

Answer:

\boxed{\text{274.5 cm; }71.3^{\circ}}

Step-by-step explanation:

If we open the surface of the pole and lay it flat, we will get a rectangle with the red stripe as a diagonal.

l = 260 cm.

The width of the rectangle is enough for two revolutions (i.e., twice the circumference).

w = 2C = 2 × 2πr = 4π × 14/2 = 28π cm = 87.96 cm

Length of stripe

The stripe is the diagonal of the rectangle.

d² = 260² + (28π)² = 67 600 + 87.96² = 67 600 + 7738 = 75 338

d = √(75 338) = 274.5 cm

Angle with horizontal

tanθ = 260/(28π) = 260/87.96 =2.956

θ = arctan2.956

θ = 71.3°

The stripe is \boxed{ \text{274.5 cm}} long and the angle with the horizontal is \boxed{71.3^{\circ}}.

8 0
3 years ago
What's the answer to this
julia-pushkina [17]
The answer to number 5 would be negative 8 and 1/12.
Hope this helps!!
3 0
3 years ago
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