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serious [3.7K]
3 years ago
7

What single decimal multiplier would you use to decrease by 7% followed by a 20% decrease?

Mathematics
1 answer:
Nadusha1986 [10]3 years ago
6 0

Answer:

13 percent

Step-by-step explanation:

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2c-5=9 Please Help! And show work!!
larisa [96]
2c=14 (move 5 to the other side by adding it to 9)
c=7 (divide by 2 to get c on its own)
7 0
3 years ago
Read 2 more answers
Five less than two times a number is sixty-nine. A. 5 – 2t = 69 t = –32 B. 2t – 5 = 69 t = 37 C. 5 + 2t = 69 t = 32 D. none of t
Julli [10]

Let's translate the expression step by step:


"Five less than..." \to we will have to subtract five from something


"two times a number" \to 2t.


So, we have


"Five less than two times a number" \to 2t-5.


This "is sixty-nine", where "is" means "is equal to". So, the equation is


2t-5=69


which is option B

5 0
3 years ago
A water skier is towed 65 m to the south of the starting point, and then is turned 40° cast of south for another 35m. What is th
densk [106]

Using cosine law,

d^2 = 65^2 + 35^2 - 2(65)(35)cos140

= 8935.5022

d = sqrt(8935.5022)

= 94.5 m

Angle = inverseCos(35sin40 / 94.5) = 76.23 degrees South of East

7 0
1 year ago
Simplify the ratio 300 : 25
frosja888 [35]

Answer:

it would simplify to 12/1 or just 12

5 0
3 years ago
Please calculate the probability using the following equations (in document)
labwork [276]

Substitute <em>u</em> = <em>t</em> ³/2592 and d<em>u</em> = <em>t</em> ²/864 d<em>t</em>. Then

P(T)=1-\displaystyle\int_0^T f(t)\,\mathrm dt=1-\displaystyle864\left(1.1574\times10^{-3}\right)\int_0^{\frac{T^3}{2592}}e^{-u}\,\mathrm du

The probability that a 12 hour surgery is successful is <em>P</em> (12), so letting <em>T</em> = 12 gives

P(12)\approx1-\displaystyle\int_0^{\frac23}e^{-u}\,\mathrm du\approx e^{-\frac23} \approx \boxed{0.5134}

4 0
3 years ago
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