Turn ten times the quotient of 104 and 8 into an expression

Answers

Answer 1

Answer: I think one may be: 10(104/8) or 10 x 104/8 . Hope this helped :)

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Which of the following are polynomials? A- a^0 B- 0 C- a^0 + 17

Aubree has a coin collection. She keeps 5 of the coins in her box, which is 2% of thecollection. How many total coins are in her collection?

Answers

Answer:

250

Step-by-step explanation:

you enter into a calculator 5x100/2

(x^2 - x^(1/2))/(1-x^(1/2))

Answers

$\frac { \left( { x }^( 2 )-{ x }^{ \frac { 1 }{ 2 } } \right) }{ \left( 1-{ x }^{ \frac { 1 }{ 2 } } \right) }$

$\n \n =\frac { \left( { x }^( 2 )-\sqrt { x } \right) }{ \left( 1-\sqrt { x } \right) } \cdot 1$

$\n \n =\frac { \left( { x }^( 2 )-\sqrt { x } \right) }{ \left( 1-\sqrt { x } \right) } \cdot \frac { \left( 1+\sqrt { x } \right) }{ \left( 1+\sqrt { x } \right) }$

$\n \n =\frac { { x }^( 2 )+{ x }^( 2 )\sqrt { x } -\sqrt { x } -x }{ 1+\sqrt { x } -\sqrt { x } -x }$

$\n \n =\frac { -\sqrt { x } \left( 1-{ x }^( 2 ) \right) -x\left( 1-x \right) }{ \left( 1-x \right) }$

$\n \n =\frac { -\sqrt { x } \left( 1+x \right) \left( 1-x \right) -x\left( 1-x \right) }{ \left( 1-x \right) }$

$\n \n =\frac { \left( 1-x \right) \left\{ -\sqrt { x } \left( 1+x \right) -x \right\} }{ \left( 1-x \right) }$

$\n \n =-\sqrt { x } \left( 1+x \right) -x\n \n =-{ x }^{ \frac { 1 }{ 2 } }\left( 1+{ x }^{ \frac { 2 }{ 2 } } \right) -x$

$\n \n =-{ x }^{ \frac { 1 }{ 2 } }-{ x }^{ \frac { 3 }{ 2 } }-x\n \n =-\sqrt { x } -\sqrt { { x }^( 3 ) } -x$

x² - x^(1/2) = x²
1 - x^(1/2)

BRAINLIST ANSWER!!!!!!!!!!!!!!!!!!!!!!!!!!!!1. A wooden plank is leaning against an outside wall of a building. The bottom of the plank is 3 ft from the wall. Find each of the following values, and show all your work.
(a) Find the approximate length of the plank. Round to the nearest tenth of a foot.
(b) Find the height above the ground where the plank touches the wall. Round to the nearest tenth of a foot.

2. A support wire is strung from a tree. The bottom of the wire is 24 ft from the tree. The length of the wire is 30 ft. Find each of the following values, and show all your work.
(a) Find the value of x. Round to the nearest tenth of a degree.
(b) Find the approximate height where the wire touches the tree. Round to the nearest foot.

Answers

Question 1:
(a) Using sine rule
ground/Sin 49 = plank/Sin 90

But sine 90 = 1, ground = 3 ft
Then,
3/Sin 49 = plank
Length of the plank = 3/Sin 49 ≈ 4.0 ft (rounded to nearest tenth)

(b) Height where the plank touches the wall

wall = Sqrt (plank^2 - ground^2) = Sqrt (4.0^2 - 3.0^2) ≈ 2.6 ft (Rounded to nearest tenth)

Question 2:
(a) Angle x
ground = 24 ft
support wire = 30 ft

Applying sine rule
support wire/Sin 90 = ground/Sin (90-x) ----- but Sin 90 = 1
Then,
Support wire = ground/Sin (90-x)
Sin (90-x) = ground/support wire = 24/30 = 0.8
90-x = Sin^-1(0.8) = 53.13 => x = 90-53.13 = 36.9°

(b) Height where the wire touches the tree (tree)
tree = Sqrt (support wire^2 - ground^2) = Sqrt (30^2 - 24^2) = 18 ft

The following triple represents the side lengths of a triangle. Determine whether the triangle is a 45-45-90 triangle, a 30-60-90 triangle, or neither.2, 1, 2squared3.

Answer Choices:
a.
45-45-90 triangle
c.
neither
b.
30-60-90 triangle

Answers

If the sides of the triangle have lengths of: 2, 1, and 2√3

Then, the triangle is a

c. neither a 45-45-90 triangle nor a 30-60-90 triangle.

Looking at the lengths, if the triangle is a right triangle
2 and 1 must be the measure of the legs
2√3, the measure of the hypotenuse

If we use the Pythagorean theorem,
2^2 + 1^2 = (2√3)^2
5 = 12 (not correct)

Therefore, the triangle is not a right trangle

Find the volume of the largest sphere that could be enclosed in a cube with a side length of 10 cm. Round to the nearest tenth.

Answers

$Look\ at\ he\ picture.\n\nR=5cm\n\nV=(4)/(3)\pi R^3\n\nV=(4)/(3)\pi\cdot5^3=(4)/(3)\pi\cdot125=(500)/(3)\pi\approx(500)/(3)\cdot3.14\approx523.3\ (cm^3)$