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Rashid [163]
3 years ago
14

Evaluate the expression x ÷ y for x = 8 and y = 16.

Mathematics
2 answers:
daser333 [38]3 years ago
7 0

Answer:

Step-by-step explanation:

hello :

x ÷ y for x = 8 and y = 16 means : 8/16 = 8/(2×8) = 1/2

expeople1 [14]3 years ago
3 0

Answer:

C. 1/2

Step-by-step explanation:

its 1/2 because x÷ y equals 1/2 when x=8 and y= 16 to evaluate subsititute 8 for x and 16 for y

You might be interested in
3÷ 1/2 1÷1/4 1/2÷2 1/3=4 2÷ 1/6 1/4÷3​
Pani-rosa [81]

Answer: [45]

Step-by-step explanation:

Had this same question

4 0
3 years ago
mr. devito was ordering pencils for apl fourth grade students. There are 118 fourth graders. Pencils come in packs of 6. He need
sweet [91]

Answer:

Mr. devito needs to buy 40 packs

Step-by-step explanation:

Given:

Total number of fourth grade students = 118

The number of pencils in one pack = 6

The number pencil each student gets   =2

To find:

The number of packs of pencils that is to be bought  = ?

Solution:

To give all the 118 fourth grade students each 2 pencils , the total number of pencils needed will be

= >  118 \times 2

=>  236 Pencils

We know that a pack contains 6 pencils, so the number of pack that has to be bought , in order to have 236 pencils will be

=> \frac{ \text{total number of pencils}}{\text{ number of pencils per pack }}

On substituting the values

=> \frac{236}{6}

=> 39.33

=> 40

3 0
2 years ago
a dock is 5 feet above water. suppose you stand on the edge of the dock and pull a rope to a boat at a constant rate of 2 ft/s.
Firdavs [7]

Answer:

The boat is approaching the dock at a speed of 3.20 ft/s when it is 4 feet from the dock.

Step-by-step explanation:

The diagram of the situation described is shown in the attached image.

The distance of the boat to the dock along the water level at any time is x

The distance from the person on the dock to the boat at any time is y

The height of the dock is 5 ft.

These 3 dimensions form a right angle triangle at any time with y being the hypotenuse side.

According to Pythagoras' theorem

y² = x² + 5²

y² = x² + 25

(d/dt) y² = (d/dt) (x² + 5²)

2y (dy/dt) = 2x (dx/dt) + 0

2y (dy/dt) = 2x (dx/dt)

When the boat is 4 ft from dock, that is x = 4 ft,

The boat is being pulled at a speed of 2 ft/s, that is, (dy/dt) = 2 ft/s

The speed with which the boat is approaching the dock = (dx/dt)

Since we are asked to find the speed with which the boat is approaching the dock when the boat is 4 ft from the dock

When the boat is 4 ft from the dock, x = 4 ft.

And we can obtain y at that point.

y² = x² + 5²

y² = 4² + 5² = 16 + 25 = 41

y = 6.40 ft.

So, to the differential equation relation

2y (dy/dt) = 2x (dx/dt)

when x = 4 ft,

y = 6.40 ft

(dy/dt) = 2 ft/s

(dx/dt) = ?

2 × 6.40 × 2 = 2 × 4 × (dx/dt)

25.6 = 8 (dx/dt)

(dx/dt) = (25.6/8) = 3.20 ft/s.

Hope this Helps!!!

4 0
3 years ago
Enter your answer as a simplified fraction formatted like this: 42/53
expeople1 [14]

Answer:

\displaystyle -0.\overline{37}=-\frac{37}{99}

Step-by-step explanation:

<u>Convert a Repeating Decimal to a Fraction </u>

We need to convert the following decimal to a fraction:

-0.\overline{37}

Let's call x to the given number:

x=-0.\overline{37}

The number has two repeating (periodic) decimals, thus we multiply by 100:

100x=-37.\overline{37}

Note the decimals continue to repeat exactly like the original number.

Subtracting both expressións, the repeating decimals are simplified:

100x - x = -37

Operating:

99x=-37

Dividing by 99:

\displaystyle x=-\frac{37}{99}

The fraction cannot be simplified, thus:

\mathbf{\displaystyle -0.\overline{37}=-\frac{37}{99}}

8 0
2 years ago
Solve equation for y: -4x+8y=24
Nesterboy [21]
-4x +8y = 24

8y = 24+ 4x
y = 24/8 + 4x/8
y = 3+ x/2

Hope it helps!
#MissionExam001
4 0
3 years ago
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