2 years ago

What is four and one over five divided bye one and two overfive

Mathematics

1 answer:

marshall27 [118]2 years ago

7 0

Can you type it out with actual numbers instead of letters please? Thank you

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Least common multiple of z^2+6z+9 and z^2+z-6

Firdavs [7]

Hint: $\bf \begin{array}{ccllll}
z^2+6z+9&z^2+z-6\\
\downarrow &\downarrow \\
(z+3)(z+3)&\underline{(z+3)(z-2)}
\end{array}$

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3 years ago

Write the number below in expanded notation 75,966

aev [14]

7.596 to the 4th power

7 0

2 years ago

Let a, b, c, and d be real numbers with a, c 6= 0. Prove that the lines y = ax+b and y = cx + d have the same x-intercept if and

Monica [59]

Step-by-step explanation:

We have got the lines :

$y=ax+b\\y=cx+d$

Both lines intercept the x-axis in the point :

$I = (i_{1} ,i_{2})$

In all point from x-axis the y-component is equal to 0.

$I=(i_{1},o)$

We replace the I point in the lines equations:

$0=a(i_{1})+b \\0=c(i_{1})+d$

From the first equation :

$0=a(i_{1})+b \\-b=a(i_{1})\\i_{1}=\frac{-b}{a}$

From the second equation :

$0=c(i_{1})+d\\ -d=c(i_{1})\\i_{1}=\frac{-d}{c}$

Then $i_{1}=i_{1}$

Finally :

$\frac{-b}{a}=\frac{-d}{c} \\\frac{b}{a}=\frac{d}{c} \\ad=bc$

y = ax + b and y = cx + d have the same x-intercept ⇔ad=bc

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2 years ago

If two lines intersect at a right angle, then they are perpendicular

kipiarov [429]

This is TRUE!

The definition for perpendicular only applies when the lines are at a right angle which is 90°

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2 years ago

Find the circumference of the pizza to the nearest tenth.

mote1985 [20]

Answer:

C=2πr

r=D/2=10/2=5

C=2×3.14×5

C=31.4in

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2 years ago