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sdas [7]
3 years ago
5

Can some one help pelar

Mathematics
1 answer:
7nadin3 [17]3 years ago
8 0
The answer will be: x=-2
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If f(x)=2x^2+1 and g(x)= x^2-7 find (f-g)(x)
kvasek [131]

Answer:

x² + 8

Step-by-step explanation:

(f - g)(x)

= f(x) - g(x)

= 2x² + 1 - (x² - 7)

= 2x² + 1 - x² + 7 ← collect like terms

= x² + 8

3 0
2 years ago
Audrey deposited $40,000 in a savings account with simple interest. Five years later, she had earned $30,000 in interest. What w
Fittoniya [83]

~~~~~~ \textit{Simple Interest Earned} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\dotfill&\$30000\\ P=\textit{original amount deposited}\dotfill & \$40000\\ r=rate\to r\%\to \frac{r}{100}\\ t=years\dotfill &5 \end{cases} \\\\\\ 30000=(40000)(\stackrel{\%}{\frac{r}{100}})(5)\implies \cfrac{30000}{(40000)(5)}=\cfrac{r}{100}\implies \cfrac{3}{20}=\cfrac{r}{100} \\\\\\ \cfrac{300}{20}=r\implies \stackrel{\%}{15}=r

4 0
2 years ago
What are the zeros of this function
Anestetic [448]

Answer:

X =3 and x =6

Step-by-step explanation:

Just look at the line where they cross another line,

4 0
2 years ago
Read 2 more answers
WILL MARK BRAINLIEST<br> 4. Find x.<br> A) 10<br> B) 10.5<br> C) 11<br> D) 11.5
Galina-37 [17]

10.5 ( near parallel to the one next to x which will equal 11 or 11.5 but 10.5 is associated with its compression.

Answer = 10.5

(thanks if you give branliest it is always appreciated)

7 0
3 years ago
Need help! With this question! Thank you
slava [35]

Answer:

M = 42

Step-by-step explanation:

Ooo..I'm actually good at these!!

So its simple...All you do is take the equation and divide both sides by 4.5

When we divide, we get m alone.

4.5m = 189

/4.5       /4.5

m = 42

Hope this helps!! Can I have brainliest please?!?

-Makenna ;)

8 0
3 years ago
Read 2 more answers
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