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fredd [130]
3 years ago
9

I need help on this math problem ASAP.

Mathematics
1 answer:
Luda [366]3 years ago
5 0

Answer:

This shape is a rectangle so that means that the angles are 90°. From sum of angles of a triangle, x + 3x + 10 + 90 = 180 which means 4x + 100 = 180 → 4x = 80 → x = 20°.

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2 2/3 + 12 6/8 how do I work this
barxatty [35]

Answer:

\large\boxed{2\dfrac{2}{3}+12\dfrac{6}{8}=15\dfrac{5}{12}}

Step-by-step explanation:

2\dfrac{2}{3}+12\dfrac{6}{8}=2\dfrac{2}{3}+12\dfrac{6:2}{8:2}=2\dfrac{2}{3}+12\dfrac{3}{4}\\\\\text{Find}\ LCD:\\\\\text{List of multiples of 3:}\ 0,\ 3,\ 6,\ 9,\ \boxed{12},\ 15,\ ...\\\text{List of multiples of 4:}\ 0,\ 4,\ 8,\ \boxed{12},\ 16,\ ...\\\\12=3\cdot4\\\\\text{therefore}\\\\\dfrac{2}{3}=\dfrac{2\cdot4}{3\cdot4}=\dfrac{8}{12}\\\\\dfrac{3}{4}=\dfrac{3\cdot3}{4\cdot3}=\dfrac{9}{12}\\\\2\dfrac{2}{3}+12\dfrac{3}{4}=2\dfrac{8}{12}+12\dfrac{9}{12}=(2+12)+\dfrac{8+9}{12}=14+\dfrac{17}{12}\\\\=14+1\dfrac{5}{12}=15\dfrac{5}{12}

3 0
4 years ago
The area of a square is 72.25 inches squared. Find the length of the side and the perimeter.
Nadya [2.5K]

Answer:

8.5 inches and 34 inches

Step-by-step explanation:

Area of the square = 72.25

side² = 72.25

side = \sqrt{72.25}

Side = 8.5 in

Perimeter = 4 × side

Perimeter = 4 × 8.5 in

Perimeter = 34 in

6 0
3 years ago
Which expression is equal to the expression below?
Debora [2.8K]

Answer:

48

Step-by-step explanation:

(2*6)4

(12)4

48

Hoped it helped :)

4 0
3 years ago
Here is an illustration of a bedroom. The striped wall and the floor<br> intersect at a
-Dominant- [34]

The striped wall and the floor intersect at a 90 degrees angle since they are perpendicular.

<h3>What is an angle?</h3>

An angle is formed when two or more lines intersect at a point. Types of angles are<em> acute, obtuse, and right angled</em>.

Two lines are said to be perpendicular if there is a 90 degrees angle between them.

The striped wall and the floor intersect at a 90 degrees angle since they are perpendicular.

Find out more on angle at: brainly.com/question/25716982

#SPJ1

5 0
2 years ago
Find the domain and range of the function
Karolina [17]
Domain- {-2, 1, 0, 1, 2}
Range- {-2, 0, 2}

My domain is right but I don’t think my range is. I did learn this 4 years ago though so
5 0
3 years ago
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