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neonofarm [45]
3 years ago
12

Plz help fast! worth 100 points ​

Mathematics
2 answers:
zloy xaker [14]3 years ago
6 0

An equilateral triangle sides are all equal to each other. This means that is one side of an equilateral triangle is x + 3 then the sides of the other two triangles as also each x + 3

The formula for perimeter of a triangle is:

Perimeter = side 1 + side 2 + side 3

Or in the case of an equilateral triangle it would be:

Perimeter = 3(side)

This means that for the formula of this equilateral triangle you have:

Perimeter = 3(x + 3)

If asked the three out side of the parentheses can be distributed, meaning that you multiply the outside number (in this case that is 3) to all the number inside the parentheses (in this case that is x and 3)

Perimeter = (3 * x) + (3*3)

Perimeter = 3x + 9

Both of these are correct:

P = 3(x + 3)

P = 3x + 9

Hope this helped!

~Just a girl in love with Shawn Mendes

katen-ka-za [31]3 years ago
6 0

Answer:

3x+9

Step-by-step explanation:

3(x+3)

3x+9

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In March it rained 4 inches less than April than in march. How much did it rain in April?
Elenna [48]

Step-by-step explanation:

4 inches less  means

April = a

March = a - 4

Hope this helps :)

4 0
2 years ago
Quadrilateral ABCD ​ is inscribed in a circle.
alexdok [17]
When a quadrilateral is inscribed in a circle, the opposite angles are supplementary.

x + 2 + 3x + 6 = 180
4x + 8 = 180
4x = 172
x = 43

Now solve for A
3(43) + 6 = A
129 + 6 = A
135 = A

The measure of angle A is 135 degrees.

Hope this helps =)
7 0
3 years ago
What is 3 to the 6 power over 3 to the 10 power times 3 to the 1 power equal
matrenka [14]

Answer:

Correct me if Im wrong but I think that it is 3 to the -5th power

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Can someone help me with this question: What is the 40th term of these sequences below. 13, 26, 39, 52,...... 6, 12, 18, 24,....
Nina [5.8K]

Answer:520; 240

Step-by-step explanation:

a. 13, 26, 39, 52,......

a = First term = 13

d = common difference = 26 - 13 = 13

40th term = a + (n - 1)d = a + (40-1)d = a + 39d

= 13 + (39 × 13)

= 13 + 507

= 520

b. 6, 12, 18, 24,.......

a = First term = 6

d = common difference = 12 - 6 = 6

40th term = a + 39d

= 6 + 39(6)

= 6 + 234.

= 240

8 0
2 years ago
Last week, 3/4 of the students in Mr. Zanker's class went on a field trip. 5/8 of the
sleet_krkn [62]

The average fraction of students in the two classes who went on the field trip is 11/16

<h3>What is the average fraction of students in the two classes who went on the field trip?</h3>

The given parameters are:

Class 1 = 3/4

Class 2 = 5/8

The average is calculated as

Average = 1/2 * (Class 1 + Class 2)

So, we have

Average = 1/2 * (3/4 + 5/8)

Evaluate

Average = 11/16

Hence, the average fraction of students in the two classes who went on the field trip is 11/16

Read more about average at:

brainly.com/question/20118982

#SPJ1

7 0
2 years ago
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