Ask question

Ask question

All categories

3 years ago

13

Will a fraction increase or decrease and by what percent if its numerator is increased by 20% and its denominator is increased b

y 50%?
The fraction will increase or decrease by what percent

1 answer:

polet [3.4K]3 years ago

4 0

Answer:

increase by the percent

You might be interested in

What is the measure of AngleDCF? Three lines extend from point C. The space between line C D and C E is 75 degrees. The space be

gizmo_the_mogwai [7]

Answer:

∠DCF = 129°

Step-by-step explanation:

We assume that line CE is between lines CD and CF.

The angle sum theorem applies:

∠DCF = ∠DCE +∠ECF

∠DCF = 75° +54°

∠DCF = 129°

4 0

4 years ago

Read 2 more answers

A soccer player kicks a rock horizontally off a 31.0 m high cliff into a pool of water. If the player hears the sound of the spl

OLga [1]

Answer:

initial speed given to the rock is v= 147.46 m/s

Step-by-step explanation:

Since the player kicks the rock horizontally , then its initial vertical speed is always vy₀=0 and thus the time to hit the pool is independent of the speed given to the rock . t is calculated through

0 = y + vy₀*t - 1/2*g*t² = y+ 0 - 1/2*g*t²

then

t = √(2*y/g) = √(2*31 m/ 9.8 m/s²) = 2.515 s

when the rock hits the water , the sound wave travels diagonally a distance D and is heard by the player. the distance D is

D= v sound * T

the time the sound wave travels is T= 3.6 s - 2.515 s = 1.085 s and v sound= 343 m/s

then

D= v sound * T = 343 m/s* 1.085 s = 372.155 m

since the distance D is also

D= √(x² + y²)

then the horizontal distance x is

x= √(D² - y²)= √[(372.155 m)² - (31 m)²] = 370.861 m

since the rock hits the water at t = 2.515 s , the horizontal velocity of the ball ( and thus the initial speed given to the ball since there is no acceleration in the horizontal direction if we depreciate air friction)

v=x/t = 370.861 m/2.515 s = 147.46 m/s

4 0

3 years ago

What is the area of triangle ABC? Round to the nearest hundredth of a square unit. 17. 75 square units 81. 33 square units 372.

jolli1 [7]

The area of the triangle ABC is 81. 33 square units.

We have to determine

What is the area of triangle ABC?

<h3>What is the formula for the area of a triangle?</h3>

The area of the triangle is determined by;

$\rm Area \ of \ triangle = s\sqrt{s(s-a)(s-b)(s-c)}$

Where the value of s is = a + b + c= 12 + 14 + 16 = 42

Substitute all the values in the formula;

$\rm Area \ of \ triangle = \sqrt{s(s-a)(s-b)(s-c)}\\\\\rm Area \ of \ triangle = \sqrt{21(21-12)(21-14)(21-16)}\\\\\rm Area \ of \ triangle = \sqrt{(21 \times 9 \times 7 \times 5)}\\\\Area \ of \ triangle =\sqrt{6,615}\\\\Area \ of \ triangle = 81.33$

Hence, the area of the triangle ABC is 81. 33 square units.

To know more about the Area of the triangle click the link given below.

brainly.com/question/9299277

5 0

2 years ago

Please help on 19 this needs to be finished tonight and I’m desperate I need help really bad my mom doesn’t understand this and

Lapatulllka [165]

Step-by-step explanation:

$(4 {x }^{2} + 3 {y}^{2} ) {}^{0} \\ rule \: of \: zero = {x}^{0} = 1 \\ answer = 1$

4 0

3 years ago

Solve for x<br> 176 = 14x + x^2

Wewaii [24]

X^2+14x-176=0
(x+22)(x-8)
x=-22,8
This is because the 2 numbers in the factorisation must have multiple of 176& and a sum of 14

7 0

3 years ago