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grandymaker [24]

3 years ago

5

for every 15 Columns of news stories in a newspaper for Columns of Ads are required if a newspaper contains 300 Columns of new s

tories how many columns of as must have

1 answer:

-Dominant- [34]3 years ago

6 0

Answer:

i think if it were me i whould divide 300 dide 15

Step-by-step explanation:

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Leticia tretched for 8 minutes then jogged around her block several times .it takes her 6 minutes to run around the block once .

Luda [366]

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2 years ago

Calculate the length b to two decimal places.

Andrej [43]

Answer:

B. 21.64

Step-by-step explanation:

We have been given a triangle and we are asked to find the length of AC (b).

We will use law of cosines to find the length of side AC.

$c^{2}=a^{2}+b^{2}-2ab \text{ cos }\theta$

Upon substituting our given values in the formula we will get,

$(AC)^{2}=15^{2}+12^{2}-2\times 15\times 12 \text{ cos}(106)$

$(AC)^{2}=225+144-360\text{ cos}(106)$

$(AC)^{2}=369-360(-0.275637355817)$

$(AC)^{2}=369+99.22944809412$

$(AC)^{2}=468.22944809412$

Upon taking square root of both sides of our equation we will be get,

$AC=\sqrt{468.22944809412}$

$AC=21.6386101238993629\approx 21.64$

Therefore, the length of b is 21.64 and option B is the correct choice.

6 0

3 years ago

ABC ~ ADE AC = 4, AE = 7, AD = 10, what is the length of AB? 1 3/7 2 1/2 5 5/7 17 1/2

Butoxors [25]

If the polygon or the figures are similar then it is known that the ratios of their corresponding sides and angles are proportional. In this item we can derive an equation that is,

<span> AC/AE = AD/AB</span>

Substituting the known values,

<span> 4/7 = 10/AB</span>

<span>AB from the equation is equal to 70/4 or equal to 17 ½. </span>

3 0

3 years ago

Read 2 more answers