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3 years ago

A bird starts at 20 m and changes 16 m

Mathematics

2 answers:

lana66690 [7]3 years ago

5 0

20 + -4=16, so it is 4

Lena [83]3 years ago

4 0

Answer:

36 meters.

Step-by-step explanation:

{Bird's final elevation}= 20m+16m

{Bird's final elevation}=36 m}

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Use the order of operations to simplify this expression.<br> 2 + 4(5 − 8)

Blizzard [7]

Answer:

5 - 8 = -3

4 x -3 = -12

2 + -12 = -10

Step-by-step explanation:

5 0

3 years ago

In two or more complete sentences, explain how to solve the cube root equation, .^3√x-1+2=0

Strike441 [17]

Answer:

$x= -7$

Step-by-step explanation:

We need to solve the following root equation:

$\sqrt[3]{x-1} + 2 = 0$

1. First, we need to add minus two to both sides of the equation:

$\sqrt[3]{x-1}= -2$

2. Elevate each side of the equation to the power of 3:

$x-1= -8$

3. Solve for 'x':

$x= -8 + 1$

$x= -7$

Therefore, the result is:

$x= -7$ ✔️

4 0

3 years ago

A soccer ball is kicked from the ground at an upwards velocity of 90 feet per second. The equation h(t)=-16t^(2)+90t gives the h

garri49 [273]

Answer: 2.81 s

Step-by-step explanation:

Given

Ball is kicked upward with velocity $u=90\ ft/s$

Height of the ball is given by the function $h(t)=-16t^2+90t$

Derivative of a function gives the maxima or minima at certain point

$\Rightarrow \dfrac{dh}{dt}=-32t+90\\\\\Rightarrow \dfrac{dh}{dt}=0\\\\\Rightarrow -32t+90=0\\\\\Rightarrow t=\dfrac{90}{32}\\\\\Rightarrow t=2.81\ s$

Thus, it takes ball 2.81 s to reach the top.

5 0

4 years ago

What percent of 60 is 21?

IrinaVladis [17]

Answer:

the answer is 35 percent

6 0

4 years ago

Josiah downloads 44 songs, including 16 songs by his favorite band.

erma4kov [3.2K]

Answer:

Part A: 0.36...

Part B: Repeating

Step-by-step explanation: 16/44=0.36... The three periods means that the same two places repeat forever. Normally you’d just put a line over a repeating decimal place but you can’t do that on keyboard.

5 0

3 years ago