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Sholpan [36]
3 years ago
7

(7x^2-2) - (2x^2 - 5x + 3)

Mathematics
1 answer:
ehidna [41]3 years ago
4 0

(7x^2-2) - (2x^2 - 5x + 3)

Answer:

5(x^2+x-1)

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45/10 is what in simplest form and a mixed number
Contact [7]
\dfrac{45}{10}=\dfrac{45:5}{10:5}=\dfrac{9}{2}=\dfrac{8+1}{2}=\dfrac{8}{2}+\dfrac{1}{2}=4+\dfrac{1}{2}=4\dfrac{1}{2}
8 0
3 years ago
(Solve Problems Involving Proportional Relationships)
gavmur [86]
Okay, so the first thing we have to do is take 6ft and convert it into inches so we get the equation (6x12)+6 6 times 12 is 72 so that gives us 72in plus 6 which is 78 and with that answer we take 78in and divide it by 6.17 which is 12.18. She has a long arm measuring i while feet and 18 inches lol
6 0
3 years ago
during a basketball practice mai attempted 40 free throws and was successful on 25% of them how many successful free throws did
arlik [135]

Answer:

10=25

Step-by-step explanation:

40=100

4=10

2=5

7 0
3 years ago
Help please
Novosadov [1.4K]
General\ equation\ for\ line\ in\ slope\ intercept\ form:\\\\y=ax+b\\\\To\ find\ a\ and\ b\ substitude\ points\ (-7,5)\ (-4,1)\ into\ equation\\\\ 
\left \{ {{5=-7a+b}\ \ \ \ \atop {1=-4a+b\ |*-1}} \right.\\\\ \left \{ {{5=-7a+b}\ \ \ \ \atop {-1=4a-b}} \right.\\\\
+----\\\\Addition\ method\\\\
4=-3a\ \ |:(-3)\\\\
a=-\frac{4}{3}\\\\
b=5+7a=5+7*(-\frac{4}{3})=5-\frac{28}{3}=-4\frac{1}{3}\\\
Answer\ y=-\frac{4}{3}x-4\frac{1}{3}\\\\
Checking\ solution:\\
y-5=-\frac{4}{3}(x+7)
y-5=-\frac{4}{3}x-\frac{28}{3}\\\\
y=-\frac{4}{3}x-\frac{28}{3}+5\\\\
y=-\frac{4}{3}x-4\frac{1}{3}\\\\Answer:B \ and\ D.
5 0
4 years ago
Read 2 more answers
Timothy put $300 in a bank that pays 7% interest rate, if he leaves his interest from the first year in the bank, how much money
andriy [413]

Answer: he would have $343.47 after 2 years.

Step-by-step explanation:

if he leaves his interest from the first year in the bank, we would assume that his interest was compounded. We would apply the formula for determining compound interest which is expressed as

A = P(1+r/n)^nt

Where

A = total amount in the account at the end of t years

r represents the interest rate.

n represents the periodic interval at which it was compounded.

P represents the principal or initial amount deposited

From the information given,

P = $300

r = 7% = 7/100 = 0.07

n = 1 because it was compounded once in a year.

t = 2 years

Therefore,.

A = 300(1 + 0.07/1)^1 × 2

A = 300(1.07)^2

A = $343.47

7 0
3 years ago
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