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Bogdan [553]
3 years ago
7

Select the correct answer.

Mathematics
1 answer:
myrzilka [38]3 years ago
4 0

Answer:

answer is: 7x^2-14x+10

Step-by-step explanation:

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Hannah is saving money for a car. She earns $160 each week working part time after school and on the weekends at Papa's Pizza. H
Yuliya22 [10]
From the problem we know that Hanna saves one-half of her paycheck each week, so she saves ( \frac{1}{2})(160)= \frac{160}{2} =80. Also, we know that her parents put $50 in her savings account each week, so the total amount she and her parents put in her saving's account is 80+50=130.
Since we know that Hanna currently has <span>$1,280 in her saving's account and each week she and her parents deposit $130 to the account, with </span>n representing the number of weeks, we can model the situation as follows:
f(n)=1280+130n
3 0
3 years ago
Read 2 more answers
 Given that 310 = 59 049 , what is 3-10 expressed as an exact value?
Advocard [28]
x^{-n}=\frac{1}{x^n} \\ \\&#10;3^{10}=59049 \\&#10;3^{-10}=\frac{1}{3^{10}}=\frac{1}{59049} \\ \\&#10;\boxed{3^{-10}=\frac{1}{59049}}
4 0
3 years ago
Find the value of each variable in the parallelogram. Round your answers to the nearest tenth, if necessary.
lilavasa [31]

Answer:

z = 2

y = 5

Step-by-step explanation:

3 0
2 years ago
Given the following sequence, find the 23rd term: 10.5, 11, 11.5, 12, 12.5, . . .
4vir4ik [10]
10.5, 11, 11.5, 12, 12.5...this is an arithmetic sequence with a common difference of 0.5

an = a1 + (n - 1) * d
n = term to find = 23
a1 = first term = 10.5
d = common difference = 0.5

sub and solve

a(23) = 10.5 + (23 - 1) * 0.5
a(23) = 10.5 + 22 * 0.5
a(23) = 10.5 + 11
a(23) = 21.5 <===
6 0
3 years ago
1.3<br> Are there rectangles with the same perimeter? Explain your answer.
ira [324]
Yes because they have the same number of sides
3 0
3 years ago
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