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4 years ago

Eric needs a $1,500 loan in order to buy a drone. Which loan option would cost him the MOST in interest?

Mathematics

1 answer:

Mashcka [7]4 years ago

7 0

Answer:

the one that cost the most interest is option B.

Step-by-step explanation:

In order to select the one that costs more we need to apply the data from each one to the formula below:

M = C*r*t

Where M is the interest amount, C is the value of the loan, r is the interest rate and t is the time elapsed. We have:

M = 1500*0.0625*(24/12) = 187.5

M = 1500*0.06*(30/12) = 225

M = 1500*0.04*(36/12) = 180

M = 1500*0.0375*(42/12) = 196.875

Therefore the one that cost the most interest is option B.

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Select the two values of x that are roots of this equation.<br>x + 2x - 6 = 0

VLD [36.1K]

For this case we must solve the following quadratic equation:

$x ^ 2 + 2x-6 = 0$

Where:

$a = 1\\b = 2\\c = -6$

The solution is given by:

$x = \frac {-b \pm \sqrt {b ^ 2-4 (a) (c)}} {2a}$

Substituting:

$x = \frac {-2 \pm \sqrt {2 ^ 2-4 (1) (- 6)}} {2 (1)}\\x = \frac {-2 \pm \sqrt {4 + 24}} {2}\\x = \frac {-2 \pm \sqrt {28}} {2}\\x = \frac {-2 \pm \sqrt {2 ^ 2 * 7}} {2}\\x = \frac {-2 \pm2 \sqrt {7}} {2}\\x = -1 \pm \sqrt {7}$

Thus, we have two roots:

$x_ {1} = - 1+ \sqrt {7}\\x_ {2} = - 1- \sqrt {7}$

ANswer:

$x_ {1} = - 1+ \sqrt {7}\\x_ {2} = - 1- \sqrt {7}$

8 0

4 years ago

The whole sales price for a chair is $165. A certain furniture store marks up the wholesalers price by 15%. Find the price of th

vichka [17]

Answer:

$189.75

Step-by-step explanation:

Whenever you want to find the percent of something, you need to turn the percent into a decimal. In this case, we need to find 115% of the wholesale price because there is a markup, so the cost will be higher.

115% as a decimal is 1.15. Here is how the equation will be set up:

$165 • 1.15 = $189.75

No rounding is necessary for this problem because it is already to the nearest cent.

4 0

3 years ago

Find the product binomial expression of;<br><br>(x-5) (8-5)

marusya05 [52]

Answer:

3x-15

Step-by-step explanation:

(x-5)(8-5)

(x-5)(3)

re-order

(x-5)×3

3(x-5)

Distribute

3(x-5)

3x-15

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3 years ago

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BabaBlast [244]

Answer:

Not Enough Information.

Step-by-step explanation:

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3 years ago

The amounts spent by 5 students on back to school supplies are $28.50, $25.75, $23.60, $30.20, and $25.00. Jenny spends $41.13 f

expeople1 [14]

Answer:
B) The mean increases by $2.42

Btw. My answer was $2.40… B was the closest

5 0

3 years ago