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3 years ago

Eighteen subtracted from a number is 35."

Mathematics

2 answers:

ivolga24 [154]3 years ago

6 0

Answer:

Step-by-step explanation:

35 plus 18

Nikolay [14]3 years ago

4 0

X-18=35
X=35+18
X= 53
Hope this helps

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3/5 of a number is 21<br><br>Find the number.

Svet_ta [14]

Answer:

Step-by-step explanation:

if you divide 21 by 3, which is 7, then multiply that number by 5, it gives you thirty five then you can go back and check your work, 35/5 times 3

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3 years ago

Solve for X 3(10^3x)=19

blagie [28]

The answer is 19/90

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3 years ago

A Cepheid variable star is a star whose brightness alternately increases and decreases. For a certain star, the interval between

fomenos

Answer:

0.41 (correct to 2 decimal place)

Step-by-step explanation:

If $B(t)=4.0+0.35sin\frac{2\pi t }{5.4}$

Let $u=\frac{2\pi t }{5.4}$ , then $B(u)=4.0+0.35sin u$

We want to determine the rate of increase $\frac{dB}{dt}$ after one day

$du=\frac{2\pi dt }{5.4}$ and $\frac{dB}{du} =0.35cos u$

$\frac{dB}{dt}=\frac{2\pi }{5.4}0.35cos (\frac{2\pi t }{5.4})=0.407cos (\frac{2\pi t }{5.4})$

$B^{'} (t)=0.407cos (\frac{2\pi t }{5.4})$

Rate of increase after one day, i.e. t=1

$B^{'} (1)=0.407cos (\frac{2\pi X 1 }{5.4})$ = 0.407 =0.41 (correct to 2 decimal place)

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3 years ago

Determine whether the following examples of data are quantitative or qualitative. (a) The occupation of your neighbors. Answer:

gavmur [86]

Answer:

a) Qualitative

b) Qualitative

c) Quantitative

d) Quantitative

Step-by-step explanation:

A variable is quantitative if it assumes numerical values, for example 1,2,3.

If it assumes "labels", for example good or bad, it is qualitative.

(a) The occupation of your neighbors. Answer:

Labels. Teacher, trainer, athlete, ...

So it is qualitative

(b) The martial status of your coworkers. Answer:

Labels: Married, single,..

So it is qualitative

(c) Your college GPA. Answer:

Numeric, 2,3,...

So it is quantitative

(d) The amount of bacteria on a piece of moldy bread

Numeric, 0.5mm, etc

So it is quantitative

4 0

3 years ago

In a car insurance policy, collision insurance covers A. all your medical expenses in case of an accident. B. claims against you

hoa [83]

D is the answer because, collision insurance will reimburse the insured for any damage sustained to their personal automobile that is due to the fault of the insured driver. Hope this helps.

6 0

3 years ago

Read 2 more answers