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Luden [163]
3 years ago
9

to the equation . Where did the student go wrong? Step 1. Factor the polynomial into (x + 6) and (x - 2)Step 2. x - 6 = 0 and x

+ 2 = 0Step 3. x = 6 and x = -2
Mathematics
1 answer:
zvonat [6]3 years ago
7 0

Answer and explanation:

The wrong step  <u>is changing the sign in step 2</u>

Such that; in step 1 the student had; (x + 6) and (x - 2)

In step 2, the student should have;

x + 6 = 0 and x - 2 = 0 instead of x - 6 = 0 and x + 2 = 0

Step 3, will thus be;

x = -6 and x = 2

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Answer:

The answer is

A.5x^2+9x+15

Step-by-step explanation:

kindly find attached the solving for proper understanding and solution flow.

Given Data

the divisor=  6x-10

dividend= 30x^3+4x^2-150

firstly for us to perform the division we need to re write the dividend and include the missing coefficient of x

dividend =30x^3+4x^2+0x-150

3 0
3 years ago
Mrs. Adams deposited $12,000 into an account that earns an annual simple interest rate of 3.25%. She makes no other deposits or
lisabon 2012 [21]

Answer:

<em>Mrs. Adams will earn $3,120 of interest at the end of year 8.</em>

Step-by-step explanation:

<u>Simple Interest</u>

In simple interest, the money earns interest at a fixed rate, assuming no new money is coming in or out of the account.

We can calculate the interests earned by an investment of value A in a period of time t, at an interest rate r with the formula:

I=A.r.t

Mrs. Adams deposited an amount of A=$12,000 into an account that earns an annual simple interest rate of r=3.25%. We must find the interest earned in t=8 years. The interest rate is converted to decimal as:

r=3.25/100=0.0325

The interest is then calculated:

I=12,000\cdot 0.0325\cdot 8=3,120

Mrs. Adams will earn $3,120 of interest at the end of year 8.

7 0
2 years ago
Find two points on the line to be graphed 2y+16=0
yarga [219]
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4 0
3 years ago
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densk [106]
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Hemos decidido ahorrar ingresando en un banco 1000 € al principio de cada año. Calcula, aplicando la fórmula, la cantidad que te
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Answer:

There will be 9897.47€ in the account.

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Step-by-step explanation:

Future value with annuity:

The future value formula, for an annuity, is:

FV = \frac{P((1+r)^{n} - 1)}{r}

An annuity means that a number of payments happen during the period(an year, for example.

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In this question:

1000 € each year, so P = 1000

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Total amount:

FV = \frac{1000((1+0.06)^{8} - 1)}{0.06} = 9897.47

There will be 9897.47€ in the account.

La cantidad será de 9897.47€.

5 0
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