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Shalnov [3]
3 years ago
8

Someone help me with this

Mathematics
1 answer:
Yuki888 [10]3 years ago
7 0
Nine is the correct answer
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Carrie borrowed $800 dollars from her aunt at 8% interest per year. If she paid her a total of $448 in simple interest, how many
Jet001 [13]

Answer:

13 years

Step-by-step explanation:

First we will have to see how much she owns her aunt:

800-448= 362

8% of 348 = 27.84

362 ÷ 27.84 = 13 years

I might be wrong but hopefully this helps :)

8 0
3 years ago
Use the law of cosines to find the value of 2*4*5 cos theta
sweet-ann [11.9K]
We can proceed in solving the problem since all information are given such as 2*4*5costheta.
we have a=4, b=5, and C=theta
let us solve for "c" using Pythagorean
c²=a²+b²
c²=4²+5²
c=6.4
Solving for theta or C
c²=a²+b²-2abcosC
6.4²=4²+5²-2*4*5*cosC
C=90

3 0
4 years ago
Read 2 more answers
\sqrt{y}+3\sqrt{x}\left(2\sqrt{y}\right)-\sqrt{xy}
Naya [18.7K]

\bf \sqrt{y}+3\sqrt{x}(2\sqrt{y})-\sqrt{xy}\implies \sqrt{y}+(3\cdot 2)\sqrt{x\cdot y}-\sqrt{xy} \\\\\\ \sqrt{y}+6\sqrt{xy}-\sqrt{xy}\implies \stackrel{\textit{adding like-terms}}{\sqrt{y}+5\sqrt{xy}}

4 0
3 years ago
I NEED HELP! I've failed this test twice and need to get it right. HELP PLEASE!
vlada-n [284]

Answer:

180

Step-by-step explanation:

C + D = 180 degrees since they are a linear pair

D = 127 degrees, so

C + 127 = 180

to get the C, you need to subtract 180 degrees bt 127 degrees

180 - 127 = C

8 0
3 years ago
What is the slope of the line that passes through (2, 12) and (4, 20)
goldfiish [28.3K]
M = (20 - 12)/(4 - 2)
 = 8/2
 = 4
slope = m = 4
5 0
3 years ago
Read 2 more answers
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