3 years ago

You have an option between two cell phone plans. One costs $29 per month and charges $0.15 per text

Mathematics

1 answer:

Masja [62]3 years ago

3 0

360 texts
after sending 360 texts the cost of both bills will total at $83

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What is the margin of error for a yes/no survey of 200 people with a proportion of 65% who answered \"yes\"?. A. ±3.37%. B. ±5.0

azamat

$\sqrt{(p*q)/n}$

where p is the number of positive outcomes (yes) and q is the number of negative outcomes (no).

$\sqrt{(0.65*(1-0.65))/200}$ = 0.0337 or 3.37%

answer is A.

6 0

4 years ago

A scale has a percent error of 7% the scale reads the mass of a book as 450 g.

Bess [88]

B, is the correct answer.
7% of 450 is 31.5
We add 31.5 to 450 to find out highest possible error, and subtract 31.5 from 450 to find out lowest possible error.

3 0

3 years ago

Read 2 more answers

Find the area of the parrellogram and the units

gavmur [86]

Answer:

1968

Step-by-step explanation:

A= basexheight

= 48x41

= 1968

Units: If base and height are given in metres, units of area will be m².