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babunello [35]
2 years ago
8

Is 14 a root of the equation 2x - 16 = - 44 ? Why or why not

Mathematics
1 answer:
vampirchik [111]2 years ago
4 0

Answer:

No

Step-by-step explanation:

If x = 14 is a root then substituting x = 14 into the equation should make both sides equal.

2(14) - 16 = 28 - 16 = 12 ≠ - 44

Thus x = 14 is not a root of the equation

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You and your friend are baking some cookies for your classmates. The recipe you have called for ½ cup of sugar. If you don’t hav
Vanyuwa [196]

Answer:

just need points

Step-by-step explanation:

7 0
2 years ago
You wish to purchase a new car and can afford monthly repayments of up to $250 per month. You see a car you like for $12,000 and
White raven [17]

Answer:

Since the finance’s monthly required payment of $304.07 is greater than the $250 monthly that you can afford, this implies that you CANNOT afford to purchase the car on finance.

Step-by-step explanation:

The monthly required payment of the finance can be calculated using the formula for calculating the present value of an ordinary annuity as follows:

PV = M * ((1 - (1 / (1 + r))^n) / r) …………………………………. (1)

Where;

PV = Present value or finance amount = $12,000

M = Finance’s monthly required payment = ?

r = Monthly interest rate = Annual interest rate / 12 = 17.9% / 12 = 0.179 / 12 = 0.0149166666666667

n = number of months = Number of years * 12 = 5 * 12 = 60

Substitute the values into equation (1) and solve for M, we have:

$12,000 = M * ((1 - (1 / (1 + 0.0149166666666667))^60) / 0.0149166666666667)

$12,000 = M * 39.464764662266

M = $12,000 / 39.464764662266 = $304.07

Since the finance’s monthly required payment of $304.07 is greater than the $250 monthly that you can afford, this implies that you CANNOT afford to purchase the car on finance.

4 0
3 years ago
Cannonballs are stacked In a pyramid shape with a base of 5 cannonballs on a side. How many cannonballs in all are in the stack
Vadim26 [7]

Answer:

The total number of balls in the pyramid will be 55.

Step-by-step explanation:

Cannonballs are stacked In a pyramid shape with a base of 5 cannonballs on a side.

Therefore, at the base, the number of balls is 5².

In the layer above the base layer, there are 4 balls on each side.

So, in the layer above the base layer, the number of balls is 4².

Similarly, in the next levels, the number of balls will be 3², 2² and 1.

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3 0
3 years ago
Simplify square root of 484
zhannawk [14.2K]

Answer:

22

Step-by-step explanation:

484 = 2^2 × 11^2

√484 = 2×11 = 22

3 0
3 years ago
Please give me the right answer
ivann1987 [24]

Answer:j

Step-by-step explanation:

If it’s closed it would be greater than -2 but since it’s open it’s equal or greater than

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