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Serhud [2]
3 years ago
10

Please help! It's about systems of equations. Answer correctly i will mark brainliest

Mathematics
1 answer:
4vir4ik [10]3 years ago
7 0

Answer:

Step-by-step explanation:

Y= -6

X=-2

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viva [34]

Answer:

Volume measures how much water (for example) can fit in an object

I don't know what the other questions mean

I can edit my answer if you can explain cuz these questions don't really make sense since these are all methods of measurement

Step-by-step explanation:

4 0
3 years ago
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
Y=23x+5 and<br><br> y=x+3<br><br> what is the solution
kondor19780726 [428]

Answer:

I solved this like you would a system of equations - if that is not the answer you need LMK

Point form:

(- 1/11, 32/11)

Equation Form:

x = -1/11, y = 32/11

Step-by-step explanation:

8 0
3 years ago
(transformasi laplace) tentukan L { f ( t ) } apabila f(t) masing masing fungsi berikut. f(t)= 5t^3 - 6sin2t + 4e^-4t​
PIT_PIT [208]

Answer:..................................................................

4 0
3 years ago
Need help ASAP will give Brainly!
elena-14-01-66 [18.8K]
I believe the zeros are the x intercept. which makes the answer, 1 & 3.
3 0
3 years ago
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