3 years ago

Which of the following is the same as 3/5÷4/7 3/5÷7/4 4/7÷3/5 3/5×4/7 3/5×7/4

Mathematics

2 answers:

goblinko [34]3 years ago

6 0

Last one 3/5 x 7/4 remember keep change flip

Gala2k [10]3 years ago

3 0

Answer:

all have numbers 3 5 4 7

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Sofia hits a softball straight up. the equation h= -16t^2 + 90t models the height h, in feet, of the ball after t seconds. How l

andrezito [222]

It is in the air 5.625 seconds.

Using the quadratic formula,

$t=\frac{-b\pm \sqrt{b^2-4ac}}{2a}
\\
\\=\frac{-90\pm \sqrt{90^2-4(-16)(0)}}{2(-16)}
\\
\\=\frac{-90\pm \sqrt{8100-0}}{-32}
\\
\\=\frac{-90\pm \sqrt{8100}}{-32}=\frac{-90\pm90}{-32}
\\
\\=\frac{-90+90}{-32}\text{ or }\frac{-90-90}{-32}=\frac{0}{32}\text{ or }\frac{-180}{-32}
\\
\\=0\text{ or }5.625$

0 is when the ball is first launched, 5.625 is when it hits the ground again.

4 0

3 years ago

3x-4y=8 solve for x only<br>solve it step by step accurate answer pls <br><br>#Algebra 2

mestny [16]

Answer:

3/4x-2

Step-by-step explanation:

3−4=8

∴3=4+8

∴4=3−8

∴=14(3−8)=34−2

4 0