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2 years ago

Find the solutions to the equation below Check all that apply.2x^2+11x+5=0

1 answer:

8 0

Hi, I answered the question on a piece of paper, and took a photo of it. You can find it in the photo attached below. I also included some extra information about this type of question below.

First, this is a quadratic equation as it has x^2. So, there are 2 ways to solve this, either by using the multiplication frame or using the quadratic formula.

I solved it by using the multiplication frame as it is a shorter method. The quadratic formula is usually used when we can't do it by using multiplication frame (when the answer involves decimals) or the numbers are too big (and it is hard to do by using multiplication frame).

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If the height is 6 cm, what is the volume of the pyramid?

icang [17]

Answer:

area of Base * Height /3

4 0

4 years ago

Anna, Beth and Colleen are softball players. This season, Anne had 65 base hits in 160 at-bats. Beth batting average was 0.399,

zheka24 [161]

Answer:

Anne is the best hitter as she has the best hitting average of 0.406

Step-by-step explanation:

Anne hits 65 bases out of 160 at - bats.

Beth's betting average = 0.399

Collin's hit = 40%

Now, we need to convert all the three hitting rates into same parameters to compare them with each other.

Average hit rate of Anne = $\frac{\textrm{Total numberof base}}{\textrm{Total number of at - bats}}$

$= \frac{65}{160} = 0.406$

⇒The betting average of Anne = 0.406

Now, The hit - rate of Collin = 40%

Converting the percentage rate into decimal, we get the hit rate of Collin

= $\frac{40}{100} = 0.40$

Hence, we get that Hitting Average of :

<u>Anne = 0.406</u>, Beth = 0.3999 and Collin = 0.400

Hence, from the above data Anne is the best hitter as she has the best hitting average of 0.406.

6 0

4 years ago

Read 2 more answers

Please help me !!! right answers only

777dan777 [17]

Answer:

option E is the only right answer.

Step-by-step explanation:

parallel means that the lines do not intersect.

5 0

3 years ago

24% of the 6th grade purchased their lunch at school

Ganezh [65]

Answer:

250 6th grade students

6 0

3 years ago

Two of the most popular options on a certain type of new car are automatic transmission and built-in GPS. Suppose that 90% of al

padilas [110]

Answer:

0.95 = 95% probability that the next person to purchase this car will request at least one of automatic transmission or built-in GPS

Step-by-step explanation:

We solve this question treating these probabilities as Venn sets.

I am going to say that:

Event A: Requesting automatic transmission

Event B: Requesting built-in GPS

90% of all buyers request automatic transmission

This means that $P(A) = 0.9$

82% of all buyers request built-in GPS

This means that $P(B) = 0.82$

77% of all buyers request both automatic transmission and built-in GPS.

This means that $P(A \cap B) = 0.77$

What is the probability that the next person to purchase this car will request at least one of automatic transmission or built-in GPS

This is $P(A \cup B)$ , which is given by:

$P(A \cup B) = P(A) + P(B) - P(A \cap B)$

$P(A \cup B) = 0.9 + 0.82 - 0.77 = 0.95$

0.95 = 95% probability that the next person to purchase this car will request at least one of automatic transmission or built-in GPS

3 0

3 years ago