2 years ago

Subtract. (4x2+8x−2)−(2x2−4x+3) Enter your answer, in standard form, in the box.

Mathematics

1 answer:

Crazy boy [7]2 years ago

3 0

the answer is 2x2+12z-5 (its also in the picture)

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A local pizza restaurant delivery time has a uniform distribution over 10 to 75 minutes. What is the probability that the pizza

aniked [119]

Answer:

The probability that the pizza delivery takes more than 30 minutes is 61.53%.

Step-by-step explanation:

To determine the percentage of probability that the pizza will take more than 30 minutes to be delivered, knowing that the delivery delay time is evenly distributed between 10 and 75 minutes, the following calculation must be performed:

75 - 10 = 65

100/65 = 1.53

30 - 10 = 20

65 - 20 = 40

40 x 1.53 = 61.53

Therefore, the probability that the pizza delivery takes more than 30 minutes is 61.53%.

6 0

2 years ago

Suppose that 3% of the 2 million high school students who take the SAT each year receive special accommodations because of docum

icang [17]

Answer:

See attachment for detailed answer.

Step-by-step explanation:

Download pdf

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2 years ago

A segment has endpoints A (-1, 1) and B (8, 4) . If the segment is divided into four equal parts, the coordinates of the point c

riadik2000 [5.3K]

Line is divided into 4 equal parts.

we have to find a point which is closest to point A.

So that means required point P(x,y) is at 1 unit away from A(-1,1) and 3 unit away from B(8,4)

Now we just need to use section formula to get the coordinate of required point using m1=1 and m2=3

$\left ( \frac{m_1x_2+m_2x_1}{m_1+m_2} , \frac{m_1y_2+m_2y_1}{m_1+m_2} \right )$

$= \left ( \frac{1*8+3*(-1)}{1+3} , \frac{1*4+3*1}{1+3} \right )$

$= \left ( \frac{8-3}{4} , \frac{4+3}{4} \right )$

$= \left ( \frac{5}{4} , \frac{7}{4} \right )$

So the final answer is $\left ( \frac{5}{4} , \frac{7}{4} \right )$ .

6 0

2 years ago

Read 2 more answers

Write v as a linear combination of u1, u2, and u3, if possible. (If not possible, enter IMPOSSIBLE.) v = (7, −14, −3, −4), u1 =

AlexFokin [52]

Answer:

IMPOSSIBLE

Step-by-step explanation:

8 0

2 years ago

Mr Davis is creating a spice mixture for a recipe.2/5 of the spice mixture was oregano 1/3 of the spice mixture was basil the re

attashe74 [19]

Answer: $\frac{11}{15}$

Step-by-step explanation:

You know that:

- 2/5 of the spice mixture was oregano.

- 1/3 of the spice mixture was basil.

Then, to find the fraction of the total amount of spice mixture that was oregano and basil, you must add both fractions, as following:

- Find the least common multiply of the denominators:

$LCM=5*3=15$

- Divide the LCM by each original denominator and multiply the result by each numerator.

- Make the addition.

Then, the result is:

$\frac{(2*3)+(1*5)}{15}=\frac{6+5}{15}=\frac{11}{15}$

7 0

2 years ago