HELP ASAP Which expression is equivalent to 1/8x−1/2?

Mathematics

2 answers:

Sever21 [200]2 years ago

8 0

The 3rd option is correct

telo118 [61]2 years ago

7 0

Answer:

The first one, 1/8(x-4)

Step-by-step explanation:

4/8=(1/2) Hurry! Hope this helps friend.

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The red lines on the diagram show the layout for a running event. Runners will race around the triangle-shaped grassy area. What

almond37 [142]

Answer:

Total distance = 5.754 km

Step-by-step explanation:

Red lines of the right triangle show the layout of the race course.

Total length of the race course = Perimeter of the triangle

Perimeter of the triangle = Sum of the measures of all three sides

= 1.83 + 1.524 + 2.4

= 5.754 km

Therefore, total distance of the race course is 5.754 km.

3 0

3 years ago

All the fourth-graders in a certain elementary school took a standardized test. A total of 85% of the students were found to be

Aneli [31]

Answer:

There is a 2% probability that the student is proficient in neither reading nor mathematics.

Step-by-step explanation:

We solve this problem building the Venn's diagram of these probabilities.

I am going to say that:

A is the probability that a student is proficient in reading

B is the probability that a student is proficient in mathematics.

C is the probability that a student is proficient in neither reading nor mathematics.

We have that:

$A = a + (A \cap B)$

In which a is the probability that a student is proficient in reading but not mathematics and $A \cap B$ is the probability that a student is proficient in both reading and mathematics.

By the same logic, we have that:

$B = b + (A \cap B)$

Either a student in proficient in at least one of reading or mathematics, or a student is proficient in neither of those. The sum of the probabilities of these events is decimal 1. So

$(A \cup B) + C = 1$