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PolarNik [594]
2 years ago
14

Evaluate using suitable property. Write the needed steps. Use proper brackets. 20 x 399 x 5

Mathematics
1 answer:
Reil [10]2 years ago
6 0

Step-by-step explanation:

20 x 399 x 5

= (20×5) × 399

= 100×399

= 39,900

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A pair of jeans that normally sells for $35 is in sale for 20%. Find the sale price of the jeans. Then find the total cost of th
never [62]
35×.2= 7 dollars is being taken away from the sale.

35-7= 28 dollars which is the new cost.

28×.06=1.68
28+1.68=29.68 final cost of jeans

or you can do 28×1.06= 29.68 final cost of jeans.
7 0
3 years ago
What is the degree of the polynomial and what the y-intercept
Arada [10]

Answer:

Polynom degree: 5

Y intercept point: (0, 80)

Step-by-step explanation:

P(x)=(x+5)(x+4)²(x+1)²

When you expand, the highest power of x is 1 for first term (x+5), 2 for second term (x+4)² and again 2 for (x+1)². Overall, x⁵ will be the x term with highest power. So the degree of the polynom is 5.

The y intercept, i.e. intersection with OY axis, happens for x=0. Thus, P(0)=5×4²×1²=5×16=80. The y intercept point is (0, 80)

5 0
2 years ago
35 POINTS ANSWER FAST PLZ!!!!!!!!!!!!!!!
Sladkaya [172]

The formula to solve for thee area of a square pyramid is [ V = 1/3 * b² * h ]

b² = base area (b = length of one side of the base)

h = height

The only option that as a base length of 12cm. and a height of 14cm. is the first option.

Solve for the volume if needed.

V = 1/3(12²)(14)

V = 1/3(144)(14)

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8 0
3 years ago
Read 2 more answers
The manager at the local auto shop has found that the probability that a car brought into the shop requires an oil change is 0.8
Ber [7]

Answer:

0.85

Step-by-step explanation:

Given two events A and B, the probability that either A or B occurs is given by:

p(A\cup B) = p(A)+p(B)-p(A\cap B)

where

p(A) the probability that A occurs

p(B) is the probability that B occurs

p(A\cap B) is the probability that both A and B occur at the  same time

In this problem, we know the following facts:

p(o) = 0.83 is the probability that the car requires an oil change

p(b)=0.17 is the probability that the car requires a brake repair

p(o\cap b) = 0.15 is the probability that the car requires both an oil change and brake repair

Therefore, the probability that either o (car requiring oil change) or b (car requiring brake repait) occur is:

p(o\cup b)=p(o)+p(b)-p(o\cap b)=0.83+0.17-0.15 = 0.85

4 0
3 years ago
Which of the graphs below represents the soltuion set for d - 4 > -3?
ella [17]

Answer:

The answer is d

Step-by-step explanation:

6 0
2 years ago
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