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3 years ago

Pls help me I’m stuck

Mathematics

2 answers:

Korvikt [17]3 years ago

3 0

90 + 49 = 139

180 - 139 = 41

x = 41

svet-max [94.6K]3 years ago

3 0

$\huge\boxed{x=41^{\circ}}$

The angles of a triangle always add up to $180^{\circ}$ .

We know two of the angles — a right angle, which is $90^{\circ}$ , and a $49^{\circ}$ angle.

Write an equation.

$90+49+x=180$

Combine like terms.

$139+x=180$

Subtract $139$ from both sides.

$x=\boxed{41}$

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The tens digit is three less than the units digit. If the digits are reversed, the sum of the reversed number and the original n

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Answer:

Original number is 47

Step-by-step explanation:

Given: The tens digit is three less than the units digit. If the digits are reversed, the sum of the reversed number and the original number is 121.

To find: the original number

Solution:

Let x denotes digit at ones place.

As the tens digit is three less than the units digit,

Digit at tens place = $x-3$

Original number = $10(x-3)+x=11x-30$

When digits are reversed,

Reversed number = $10x+(x-3)=11x-3$

As the sum of the reversed number and the original number is 121,

$11x-30+11x-3=121\\22x-33=121\\22x=154\\x=\frac{154}{22}\\=7$

So,

original number = $11x-30=11(7)-30=77-30=47$

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2 years ago

Consider the dot plot below. Of the following statements, which two characteristics of this dot plot make the median a better ch

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The two characteristics that makes the median a better choice are: A. The data are skewed and there are outliers.

<h3>What Characteristics of a Dot Plot Makes Median a Better Choice?</h3>

In a data distribution, the median is a better choice to use to describe the data over the mean when an outlier exist and the data is skewed.

IN the dot plot given below, the data has an outlier of 10 while the data distribution is also screwed, this makes the median a better choice.

Therefore, the answer is: A. The data are skewed and there are outliers.

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brainly.com/question/16800683

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