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4 years ago

5

Order of operations (19-8)×(10-5)+8

2 answers:

MrRissso [65]4 years ago

8 0

The correct answer is 63 not 53

Natali [406]4 years ago

5 0

PEMDAS
(9)(5) + 8
45 + 8
53

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Suppose that a risk-free investment will make three future payments of $250 in 1 year, $250 in 2 years, and $250 in 3 years. Ins

Ilia_Sergeevich [38]

Answer:

la théorie des plaques est

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3 years ago

After 3 days a sample of radon-222 has decayed to 58% of its original amount.(

iren2701 [21]

Half-life = [elapsed time * log (2)] / [log (begng amt / endg amt)]
half-life = (3 days * 0.30102999566) / log (1 / .58)
<span>half-life = 0.903089987 / log </span> (<span> <span> <span> 1.724137931)
</span></span></span>half-life = <span>0.903089987 / 0.23657200643</span>
half-life = <span> <span> <span> 3.8174 days

Source:
http://www.1728.org/halflife.htm

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3 years ago

2- If A=(3, 4) and B = (7,8), find AB.

Mice21 [21]

Use distance formula and take this question down, <em><u>easily</u></em>.

Step-by-step explanation:

Distance xy =

$\sqrt{ {(x_2 - x_1) }^{2} + {(y_2 - y_1)}^{2} }$

Therefore AB

= $\sqrt{(7-3)^2 +(8-4)^2}$

= $\sqrt{(4)^2 +(4)^2}$

= $\sqrt{32}$

= $\boxed{4 \sqrt{2}-units}$

4 0

3 years ago

Read 2 more answers

Simplify the expression: 2(5r + 8) - 4

wlad13 [49]

Answer:

10r + 12

Step-by-step explanation:

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3 years ago

A $10 shirt was sold for $16. What was the percent of<br><br> change?

zloy xaker [14]

Answer:

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Step-by-step explanation:

10x100 divded by 16 =62.5

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3 years ago