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Minchanka [31]
3 years ago
11

I need help please ​

Mathematics
2 answers:
Flauer [41]3 years ago
4 0

Answer:

hhhhhbbbhbhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhelllllo

Juli2301 [7.4K]3 years ago
3 0

Answer:

No solution, same slope = parallel lines, will never intersect

Step-by-step explanation:

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Two certificates of deposit pay interest that differ by 3%. Money invested for one year in the first CD earns $240 interest. The
Soloha48 [4]

a = interest rate of first CD

b = interest rate of second CD

and again, let's say the principal invested in each is $X.

\bf a-b=3\qquad \implies \qquad \boxed{b}=3+a~\hfill \begin{cases} \left( \frac{a}{100} \right)X=240\\\\ \left( \frac{b}{100} \right)X=360 \end{cases} \\\\[-0.35em] ~\dotfill\\\\ \left( \cfrac{a}{100} \right)X=240\implies X=\cfrac{240}{~~\frac{a}{100}~~}\implies X=\cfrac{24000}{a} \\\\\\ \left( \cfrac{b}{100} \right)X=360\implies X=\cfrac{360}{~~\frac{b}{100}~~}\implies X=\cfrac{36000}{b} \\\\[-0.35em] ~\dotfill\\\\

\bf X=X\qquad thus\qquad \implies \cfrac{24000}{a}=\cfrac{36000}{b}\implies \cfrac{24000}{a}=\cfrac{36000}{\boxed{3+a}} \\\\\\ (3+a)24000=36000a\implies \cfrac{3+a}{a}=\cfrac{36000}{24000}\implies \cfrac{3-a}{a}=\cfrac{3}{2} \\\\\\ 6-2a=3a\implies 6=5a\implies \cfrac{6}{5}=a\implies 1\frac{1}{5}=a\implies \blacktriangleright 1.2 = x\blacktriangleleft

\bf \stackrel{\textit{since we know that}}{b=3+a}\implies b=3+\cfrac{6}{5}\implies b=\cfrac{21}{5}\implies b=4\frac{1}{5}\implies \blacktriangleright b=4.2 \blacktriangleleft

3 0
3 years ago
Quick Question!! Help me out :)
Kipish [7]

Answer:

R:  (16, 2)

Step-by-step explanation:

Let (x, y) be the point R

(x - 10)/2 = 3       and (y + 12)/2 = 7

x - 10 = 6                     y + 12 = 14

x = 16                           y = 2

R:  (16, 2)

4 0
3 years ago
Find the slope of the line that passes through points (2,8) and (1,3)
nataly862011 [7]

Answer:

Slope is m = 5

Step-by-step explanation:

8 0
3 years ago
Reflect the triangle in the mirror line.
Usimov [2.4K]

Answer:

If you connect these dots than you should get the reflection of the triangle.

5 0
3 years ago
A sign id front of a roller coaster says "You must be 40 inches tall to ride." What percentage of this height is:
chubhunter [2.5K]

Answer:

85%

135%

Step-by-step explanation:

34/40=.85

.85 times 100= 85%

54/40=1.35

1.35 times 100=135%

sorry if its wrong!

4 0
3 years ago
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