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3 years ago

ASAP HELP ME!! PLEASE SHOW WORK AND CORRECT Answers!!! (JUST THE 1st ONE! And the answer I circled is wrong)

Mathematics

2 answers:

kumpel [21]3 years ago

6 0

The awnser is 96 because you would chose the one bigger or you wouldn't chose the one smaller so choose a medium number 96

Murljashka [212]3 years ago

6 0

6*2+24+30+18=84
It's not the volume it's area

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A soccer player uses her head to hit a ball up in the air from a height of 2 meters with an initial vertical velocity of 5 meter

Mandarinka [93]

Answer:1.32 s

Step-by-step explanation:

Given

The initial height of ball H=2 m

Initial velocity u=5 m/s

Height of ball at any instant is given by

$H=-4.9t^2+5t+2$

The ball will hit the ground when h=0

$-4.9t^2+5t+2=0\\4.9t^2-5t-2=0\\t=\dfrac{5\pm\sqrt{25+4(4.9)(2)}}{2\times 4.9}\\t=\dfrac{5\pm\sqrt{64.2}}{9.8}\\t=\dfrac{5+8.01}{9.8}=1.32\ s\quad\text{Neglecting negative value of t}$

3 0

3 years ago

HELP ASAP NOW NOW NOW NOW!!! Suppose three riders rode a total of 182 miles.

Sav [38]

Answer:

14 miles

Step-by-step explanation:

Assuming each horse was only ridden once

then a total of 13 horses were ridden for a total of 182 miles

182 miles / 13 horses = 14 miles horse

Of course, if each horse was ridden more than once before being replaced the distance between replacements could be reduced.

Note that the fact that there were 3 riders is irrelevant.

4 0

3 years ago

What is the surface area of the regular pyramid given below?

yuradex [85]

For this case we have by definition, that the total surface area of a regular pyramid with a square base is given by:

$SA = \frac {1} {2} p * S + A_ {b}$

Where:

p: It is the perimeter of the base

S: It's the inclination

$A_ {b}:$ It is the area of the base

Substituting:

$A_ {b} = 7 ^ 2 = 49units ^ 2\\p = 7 + 7 + 7 + 7 = 28units\\S = 10units\\SA = \frac {1} {2} 28 * 10 + 49\\SA = 140 + 49\\SA = 189 \ units ^ 2$

ANswer:

Option B

3 0

3 years ago

Determine the domain on which the following is decreasing

Katarina [22]

Answer:

(-∞,4)

Step-by-step explanation:

the value is going down from the right until it reaches the vertex

4 0

3 years ago

Can u help me with my work don’t send a link !!

Vlad [161]

Answer:

$503.35

Step-by-step explanation:

you just have to plug in the value of each variable into the equation

i hope this helps :)

7 0

3 years ago