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3 years ago

Which number best represents a depth of seven hundred and five-tenths meters below the ground?

Mathematics

1 answer:

marusya05 [52]3 years ago

4 0

Answer:

-700½ meters or -700.5 meters

Step-by-step explanation:

Usually, the depths below the ground are denoted by the minus sign.

Seven hundred and five-tenths meters mean 700+(5/10) which is equal to 700+1/2. So, the answer becomes -700½ meters or -700.5 meters.

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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

Solve for h.

Luden [163]

Solving for h means we write the equation in such a way that h is isolated from other variables. It is done as follows:

(P = mgh) 1/mg
P/mg = mgh/mg
h = P/mg

Therefore, the correct answer from the choices listed above is option C, h = p/mg.

Hope this answers the question. Have a nice day.

4 0

3 years ago

Jamerra received a $3,000 car loan. She plans on paying off the loan in 2 years. At the end of 2 years, Jamerra will have paid $

Kay [80]

If Jamerra pays $450 simple interest in 2 years,
she will pay (450/2) = $225 simple interest each year.

225 / 3000 = 0.075 = 7.5 %

6 0

3 years ago

The Frederick country fair costs $15.00 to get in and $2.50 per ride, while the Montgomery County Fair costs $10.00 to get and $

alekssr [168]

Answer:Frederick county:2.5x+15,Montgomery county:3x+10

Step-by-step explanation:

6 0

4 years ago

Help!!! QUICK! What is the pattern of the exponents on the a terms in Pascal's Triangle?

PilotLPTM [1.2K]

Answer:

C. The largest exponent value of the a terms is equal to the value of the exponent on the binomial. The exponent values are then equal to 0 throughout the expansion.

Step-by-step explanation:

i think tho but this makes sense

4 0

3 years ago