3 years ago

Help ASAP 5a²+35a–40

Mathematics

1 answer:

Ymorist [56]3 years ago

5 0

a=-8 , a= 1...,.........

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HELP ASPS!!!!!!!!!!!!!!!!!!!!!!!!!!

jasenka [17]

The answer is the first one

7 0

4 years ago

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-25^-1/2 with explanation please

slavikrds [6]

Answer:

The simplified value of $-25^{-\frac{1}{2}}$ is $-\frac{1}{5}$ .

Step-by-step explanation:

As the given expression is

$-25^{-\frac{1}{2}}$

Lets simplify this expression step by step

$-25^{-\frac{1}{2}}....[A]$

$\mathrm{Apply\:exponent\:rule}:\quad \:a^{-b}=\frac{1}{a^b}$

$25^{-\frac{1}{2}}=\frac{1}{25^{\frac{1}{2}}}$

So, lets plug $25^{-\frac{1}{2}}=\frac{1}{25^{\frac{1}{2}}}$ in equation [A] i.e. $-25^{-\frac{1}{2}}....[A]$

$-25^{-\frac{1}{2}}....[A]$

$=-\frac{1}{25^{\frac{1}{2}}}$ ∵ $25^{-\frac{1}{2}}=\frac{1}{25^{\frac{1}{2}}}$

$=-\frac{1}{5}$ ∵ $25^{\frac{1}{2}}=5$

Therefore, the simplified value of $-25^{-\frac{1}{2}}$ is $-\frac{1}{5}$ .

Keywords: simplification, exponent rule

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5 0

3 years ago

Whats 9+10 ??????????????????????

zhuklara [117]

Answer:

Step-by-step explanation:

yerreeer cause u add duh

6 0

3 years ago

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Answer?! Thanks I appreciate it

LenKa [72]

6.02 - 3.9 = 2.12 km
Convert 2.12 km to meters.
2.12 km = 2,120 meters.

4 0

3 years ago

A line passes through the point (-4,3) and has a slope of -5/2

Jlenok [28]

Answer:

y=(-5/2) x -7

Step-by-step explanation:

y=mx+b

m=(-5/2)

To find b:

3=(-5/2)times"x" + b

3=(-5/2)times(-4) + b

3= 10 +b; b=-7

y=(-5/2) x -7

7 0

3 years ago

Help ASAP 5a²+35a–40​

Help ASAP 5a²+35a–40