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pogonyaev
3 years ago
10

I need to figure out the answer

Mathematics
2 answers:
Natalija [7]3 years ago
7 0
The answer to the problem is 10 because negative 2 squared is 4 plus 14 because negative 2 times negative 7 is 14 minus 8 which gives you 10. 
ANEK [815]3 years ago
3 0
Hello there,

If c=-2 just plug in -2 for every c you see.

(-2)²-7(-2)-8
This simplifies to
4+14-8
18-8
10

Hope this helps!
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Nina has $5 and $10 bills in her wallet. She has a total of 13 bills with a value of $85. How many of each type of bill does she
matrenka [14]

Answer:

I got eleven 5 dollar bills and and I got 3 ten dollar bills

Step-by-step explanation:

what i did was start out with 85/5, then that was 17 so I started minusing 2 fives to = 1 ten so 15 5's and 1, 10 then so forth 13 5 dollar bills and 2 10 dollar bills, 11 5 dollar bills and 3 ten dollar bills. y=-2x+17

5 0
2 years ago
Derrick's parents are finalizing a budget for his college expenses. His first year of college will cost $8,000, and his
pychu [463]
The first answer



Step by step

His first year costs $8,000
So our total amount to start with is $8,000

His second year will cost 12% more than his first so $8,000 • 1.12 = $8,960
Our total is now $16,960

His third year will again will be 12% more than his last year so $8,960 • 1.12 = 10,035.2
Our total is now $26,995.2

His last year will be 12% more than his previous year so $10,035.2 • 1.12 = $11,239.42
Our final total is $38,234.62
Which rounded equals $38,235

7 0
3 years ago
Read 2 more answers
Solve x4 – 17x2 + 16 = 0.<br> Let u =<br> Select all of the zeroes of the function. i i
Soloha48 [4]

Solve \ x^4 - 17x^2 + 16 = 0

To solve this equation , we need to write it in quadratic form

ax^2+bx+c=0

To get the equation in quadratic form we replace x^2 with u

x^2 = u

x^4 - 17x^2 + 16 = 0 can be written as

(x^2)^2 - 17x^2 + 16 = 0, Replace u for x^2

So equation becomes

u^2 - 17u + 16 = 0

Now we factor the left hand side

-16  and -1  are the two factors whose product is +16  and sum is -17

(u-16) (u-1) = 0

u -16 = 0  so u=16

u-1 =0  so u=1

WE assume u = x^2, Now we replace u with x^2

u = 16 so \ it \ becomes \ x^2 =16

Now take square root on both sides , x= +4  and x=-4

u = 1 so \ it \ becomes \ x^2 =1

Now take square root on both sides , x= +1  and x=-1

So zeros of the function are -4, -1, 1, 4


8 0
3 years ago
Read 2 more answers
Shanelle purchased a new computer for $1,099 and a computer desk for $699 including tax. She plans to pay the total amount in 24
IRISSAK [1]
Amount of monthly payments $74.95
6 0
4 years ago
Read 2 more answers
Simplify (2^-⁶)(5)(2³•5)².​
Gnom [1K]

Answer:

125

Step-by-step explanation:

(2^-6)(5)(2^3×2.5^2)

=(2^-6)(5)(2^6.5^2)

=(2^-6+6)5^1+2 [ in multiplication if base are same then power are added.

=2^0(5^3)

=1×(125)

=125

5 0
3 years ago
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