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3 years ago

Find the length of AB.

Mathematics

2 answers:

katovenus [111]3 years ago

7 0

Answer

Ab=9

How I got it

AC/CB = CE/CD. Or AC/3 = 16/4.

We can solve AC to be 12. To find AB, it is AC-3 which is 9.

So AB=9

zvonat [6]3 years ago

5 0

Answer:

Ok:

Step-by-step explanation:

So these triangles are similar. That means that the ration between their sides are the same. In this case, we have then:

AC/CB = CE/CD. Or AC/3 = 16/4.

We can solve AC to be 12. To find AB, it is AC-3 which is 9.

So AB=9

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Solve for<br> 6(x + 2) = -72<br> X=

Aneli [31]

Answer:

x= -14

Step-by-step explanation:

6(x+2)=-72

(you can use the distribution property)

6x+12=-72

-12 -12

6x=-84

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3 years ago

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Determine The mean,median,mode, and range for each data set A. {2,2,7,9,10}

Zarrin [17]

Answer:

Mean: 6, Median: 7, Mode: 2, Range: 8

Step-by-step explanation:

The mean is the average of the data set.

Add all the terms together:

$2+2+7+9+10=\\4+7+9+10=\\11+9+10=\\20+10=\\\boxed{30}$

Divide the sums by the number of terms:

There are 5 terms in the data set.

$30/5=6$

<h3>Median:</h3>

The median is the middle value of the data set.

The data set given already has the numbers in ascending order.

Seven appears to be in the middle of the set.

{2,2,<u>7</u>,9,10}

<u>The median is 7.</u>

The mode is the number that appears the most in a data set.

The number two appears twice in the data set, and all other numbers (7, 9, and 10) appear once.

<h3>Range:</h3>

The range is the difference between the largest data value in the set and the smallest data value in the set.

In the given set, 10 is the biggest and 2 is the smallest.

10 - 2 = 8

<u>The range is 8. </u>

<h3 />

4 0

3 years ago

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Monica has a triangular piece of fabric. The height of the triangle is 27 inches and the triangle's base is 18 inches. Monica sa

Fed [463]

Monica forgot to multiply by 1/2
The area of the fabric is 243 in.2

Explanation:
The formula for the area of a triangle is:
1/2 • base • height

Monica’s error is that she only multuplied the base and height, without multiplying 1/2 also.

The area of the fabric is 243 in.2 because:
1/2 • 18 • 27 = 243

Or you could just divide the wrong area Monica solved (486 in2) by 2. You will also get 243 in.2

Have a nice day! And mark me brainliest please!

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nirvana33 [79]

Answer:

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Step-by-step explanation:

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