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3 years ago

Transformation:rotation,reflection or translation?

Mathematics

1 answer:

sveta [45]3 years ago

7 0

Answer:

Step-by-step explanation:

Counter clockwise 180 degree rotation

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Jemer lost his ball and decided to buy a new one. the new ball cost $300. which is three times the price of his old ball. how mu

shusha [124]

Answer:

The cost of the old ball was $100.

Step-by-step explanation:

The cost of the new ball = $300

The new ball has three times the price of his old ball.

So, let the price of the old ball be = x

As per situation, we get the equation:

$3x=300$

Dividing both sides by 3:

$\frac{3x}{3}= \frac{300}{3}$

=> x = 100

Hence, the cost of the old ball was $100.

8 0

3 years ago

Mattie uses the discriminant to determine the number of zeros the quadratic equation 0 = 3x2 – 7x + 4 has. Which bestdescribes t

Katyanochek1 [597]

Discriminant Formula: b² - 4ac, with a = x^2 coefficient, b = x coefficient, and c = constant

So firstly, using our equation plug in the values into the discriminant formula and solve as such:

(-7)² - 4 × 3 × 4

49 - 48

So our discriminant is 1. <u>Since 1 is positive and a perfect square, this means that there are 2 real, rational solutions.</u>

8 0

3 years ago

All Seasons Plumbing has two service trucks that frequently need repair. If the probability the first truck is available is 0.75

oksano4ka [1.4K]

Answer: There is a probability of 0.05 that there is neither truck is available.

Step-by-step explanation:

Since we have given that

Probability that the first truck is available = 0.75

Probability that the second truck is available = 0.50

Probability that both trucks are available = 0.30

So, probability that either first truck or second truck is available is given by

$P(A\cup B)=P(A)+P(B)-P(A\cap B)\\\\P(A\cup B)=0.75+0.50-0.30\\\\P(A\cup B)=0.95$

We need to find the probability that neither truck is available.

so, P(A∪B)'=1-P(A∪B)

$P(A\cup B)'=1-0.95=0.05$

Hence, there is a probability of 0.05 that there is neither truck is available.

4 0

3 years ago

At a butcher store, 5 1/2 pounds of hamburger meat are divided into 11 equal packages. How many pounds of meat will each package

Alex787 [66]

Answer:

each pack is 1/2 pound

Step-by-step explanation:

5.5 is 1/2 of 11

5.5/11=1/2

6 0

3 years ago

Read 2 more answers

The unit rate of change of yyy with respect to xxx is the amount yyy changes for a change of one unit in xxx.

baherus [9]

Answer:

9514 1404 393

Answer:

C The unit rates are the same.

Step-by-step explanation:

The rate of change for the equation is the coefficient of x: 4.5.

The rate of change for the table is computed as described in the problem statement:

unit rate of change = ∆y/∆x = (18-9)/(4 -2) = 9/2 = 4.5

The unit rates are the same.

Step-by-step explanation:

4 0

2 years ago