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Art [367]
3 years ago
8

Work out: 2/7 + 3/7 =? 5/8 + 7/8 =? 2/3 - 1/2 =?

Mathematics
2 answers:
slamgirl [31]3 years ago
6 0

Answer:

1. 5/7

<em>Explanation:</em>

<em>2 + 3 = 5 = 5/7</em>

2. 12/8 or 1.5

<em>Explanation:</em>

<em>5 + 7 = 12 = 12/8 or 1.5</em>

3. 1/6 or 0.167

<em>Explanation:</em>

<em>2/3 - 1/2 = 1/6 or 0.167</em>

Step-by-step explanation:

Hope this Helps!!

damaskus [11]3 years ago
4 0

Answer:

1. 5/7

2. 12/8 or 1 4/8

3.1/6

Step-by-step explanation:

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A=zm+z solve for m please help!!!!!
Svetach [21]

Answer:

(a-z)/z = m

Step-by-step explanation:

a = zm+z

Subtract z from each side

a-z = mz+z-z

a-z = mz

Divide by z

(a-z) /z = mz/z

(a-z)/z = m

5 0
3 years ago
Solve for a 2a + ab = b
amid [387]
Answer: a= b/ b+2


Step 1: factor out variable a.

a(b+2)= b

Step 2: divide both sides by b+2.

a(b+2)/ b+2 = b/b+2
6 0
3 years ago
What is the area of a circle with a Radius of 4 and a Diameter of 2?<br><br> (Its on Khan)
algol13

Answer:4^2≈50.26548

Step-by-step explanation:

   πr2.

   Where r is the radius and π≈3.14 , the ratio of a circle's circumference to    its diameter.

   Plugging in 4 from the radius, we get.

   42π

   ⇒16π inches.

   This is our exact answer. Alternatively, we can plug in 3.14 for π to get.

   50.26 inches.

7 0
2 years ago
The table shows Kayden’s quiz scores for a semester. Consider this is the whole set of quizzes. Consider that Kayden took all th
ivanzaharov [21]

Answer:

huh what do you mean

Step-by-step explanation:

im really sorry

6 0
3 years ago
A marketing representative wants to estimate the proportion of people in a state who like the new design on the packaging of a c
Effectus [21]

Answer:

The correct option is;

(B) Yes, because sampling distributions of population proportions are modeled with a normal model.

Step-by-step explanation:

Here we have the condition for normality being that where we have a population with a given mean and standard deviation, while a sufficiently large sample is drawn from the population while being replaced, the distribution of the sample mean p will be distributed normally according to central limit theorem.

8 0
3 years ago
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