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4 years ago

What is the simplest form of this expression?

Mathematics

1 answer:

Dimas [21]4 years ago

7 0

Answer:

(4-m-1)-5

Remove the bracket

= 4-m-1-5

= -2-m

Hope this helps.

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Greatest to least 17/20 75%.8

barxatty [35]

Answer:

17/20, 0.8, 75%

Step-by-step explanation:

17/20=85%, 0.8=80%

85% > 80% > 75%

7 0

4 years ago

Read 2 more answers

What is the value of the digit 6 in the number 968,743,220?

e-lub [12.9K]

The answer is Ten million.

5 0

3 years ago

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Round to the nearest hundredth 5.193

ValentinkaMS [17]

Answer:
5.19

Explanation:

The first place value after the decimal point is called the tenths place. The second place value after the decimal point is called the hundredths place.
To round, remember that you take the place value after the one that it is asking for and numbers 5 and up round up, numbers 4 and below round down.
Hope this helps :)

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3 years ago

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Which of the following equations matches the function shown above?

Ksenya-84 [330]

So, the function is obviously shifted up by 1 so it rules out A and B, and we also see that the period is 4pi rather than 2pi, and using the fact that:

$\frac{2\pi}{b}=4\pi \implies \frac{b}{2\pi}=\frac{1}{4\pi}\implies b=\frac{1}{2}$

Now that we know our b value, we see that the correct answer would be C.

3 0

3 years ago

Formúla General a) 4x²=9x-2=0 b) X²+8x-84=0

makkiz [27]

Answer: a) $x=\dfrac{-9 \pm\sqrt{113} }{8}$

b) x₁ = - 14; x₂ = 6.

Step-by-step explanation:

a) 4x² + 9x - 2 = 0

$x=\dfrac{-b \pm \sqrt{b^{2}-4ac } }{2a} \\\\a=4; \: \: b=9; \: \: c=-2\\x =\dfrac{-9 \pm \sqrt{9^{2}-4 \cdot 4 \cdot (-2) } }{2 \cdot 4} =\dfrac{-9 \pm\sqrt{113} }{8}$

b) x² + 8x - 84 = 0

$x=\dfrac{-b \pm \sqrt{b^{2}-4ac } }{2a} \\\\a=1; \: \: b=8; \: \: c=-84\\\\x =\dfrac{-8 \pm \sqrt{8^{2}-4 \cdot 1 \cdot (-84) } }{2 \cdot 1} =\dfrac{-8 \pm\sqrt{400} }{2}=\dfrac{-8 \pm 20}{2} =-4 \pm 10\\\\x_{1} =-14\\x_{2} =6$

7 0

3 years ago