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Irina18 [472]
3 years ago
9

Can someone please help me this? Math 8

Mathematics
1 answer:
Viefleur [7K]3 years ago
5 0

Answer:

5x + ( - 8)x + 9 + ( - 4) \\ 5x - 8x + 9 - 4 \\  - 3x + 5

this is the solution

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An eight grader has 18 coins in her pocket. The coins are all dimes and quarters. Their total value is 2.85. Find how much of ea
Luda [366]

Answer:

1 dimes and 9 quarters

Step-by-step explanation:

9 quarters = 2.75

1 dime = 10c

all together equals 2.85

7 0
2 years ago
Write a polynomial function of least degree with integral coefficients that has the
frutty [35]

A polynomial function of least degree with integral coefficients that has the

given zeros  f(x)=x^4+x^3+9x^2+9x

Given

Given zeros are 3i, -1  and 0

complex zeros occurs in pairs. 3i is one of the zero

-3i is the other zero

So zeros are 3i, -3i, 0 and -1

Now we write the zeros in factor form

If 'a' is a zero then (x-a) is a factor

the factor form of given zeros

\:\left(x-3i\right)\left(x-\left(-3i\right)\right)\left(x-0\right)\left(x-\left(-1\right)\right)\\\left(x-3i\right)\left(x+3i\right)\left(x-0\right)\left(x+1\right)

Now we multiply it to get the polynomial

x\left(x-3i\right)\left(x+3i\right)\left(x+1\right)\\x\left(x^2+9\right)\left(x+1\right)\\x\left(x^3+x^2+9x+9\right)\\x^4+x^3+9x^2+9x

polynomial function of least degree with integral coefficients that has the

given zeros  f(x)=x^4+x^3+9x^2+9x

Learn more : brainly.com/question/7619478

6 0
3 years ago
Which of the following options have the same value as 2\%2%2, percent of 909090?
bekas [8.4K]

Answer:

2 percent equals 0.02

so we just multiply that by 909090 so

0.02*909090=18181.8

Hope This Helps!!!

7 0
2 years ago
Y=3x-4;y=4+x substitution
Gnesinka [82]

Answer:

y=54

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
5x-4=-3-x so ya can yall help
Ket [755]

Step-by-step explanation:

5x-4=-3-x

5x+x=4+(-3)

6x=1

x=1/6

4 0
3 years ago
Read 2 more answers
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