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Wittaler [7]
2 years ago
7

What is the weight shown by the arrow?​

Mathematics
1 answer:
Bas_tet [7]2 years ago
3 0

Answer:

550

Step-by-step explanation:

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Please help me will mark brainliest!
aliina [53]
When adding fractions all denominators must be the same. You multiple 2/3 by 4 so it becomes 8/12 and the same with the others. The answer is 19/12
4 0
2 years ago
Read 2 more answers
Anyone know? If not it’s ok.
Nezavi [6.7K]

Answer:

sorry i dont

Step-by-step explanation:

6 0
3 years ago
Both the numerator and denominator of 18/21 can be dived by _____. 4, 6, 3, 2
Aleks04 [339]

Answer:

3

3 x 6 = 18

3 x 7 = 21

You can also find the answer by knowing that the only number 21 is divisible by is 7 and 3

Step-by-step explanation:

6 0
2 years ago
Suppose that the scores on a reading ability test are normally distributed with a mean of and a standard deviation of . What pro
Gnoma [55]

Answer:

The proportion of individuals score at most 74 points on this test is 70%.

Step-by-step explanation:

The complete question is:

Suppose that the scores on a reading ability test are normally distributed with a mean of 70 and a standard deviation of 8. What proportion of individuals score at most 74 points on this test? Round your answer to at least four decimal places.

Solution:

Let <em>X</em> represent the scores on a reading ability test.

It is provided that X\sim N(70,8^{2}).

Compute the probability that an individuals score is at most 74 points on this test as follows:

P(X\leq 74)=P(\frac{X-\mu}{\sigma}\leq \frac{74-70}{8})

                 =P(Z

Thus, the proportion of individuals score at most 74 points on this test is 70%.

4 0
3 years ago
What is the solution to the system of equations? {x+y=7x=y+3
abruzzese [7]
<h3>Answer:</h3>

x=5, y=2

<h3>Explanation:</h3>

The second equation gives an expression for x that can be substituted into the first equation.

... (y+3) +y = 7 . . . . . .substitute y+3 for x

... 2y + 3 = 7 . . . . . . . colect terms

... 2y = 4 . . . . . . . . . . subtract 3 from both sides

... y = 2 . . . . . . . . . . . . divide both sides by 2

Using the expression for x, we can find its value.

... x = y + 3

... x = 2 + 3 . . . . . . . . . substitute for y

... x = 5

The solution is (x, y) = (5, 2).

7 0
3 years ago
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