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snow_tiger [21]
3 years ago
8

What is the measure of each interior angle of a regular octagon?​

Mathematics
1 answer:
Flura [38]3 years ago
4 0
135 degrees since all of its sides are congruent.
1080 divided by 8 equals 135 degrees
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The radius of a circle is 56cm. find the circumference of the circle to the nearst tenth
egoroff_w [7]
Ciao,
C =2πr=2×3,14×56=351,68 cm=351,7 cm

reant :-)
8 0
3 years ago
Factor quadratic equation 6x.squared +41x + 63 = 0
vlabodo [156]

Answer:

x1= -9/2 ; x2= -7/3

Step-by-step explanation:

Rewrite to 6x^2 + 27x +14x +63 = 0

Factor and get 3x(2x + 9) + 7(2x + 9) = 0

Factor again and get (2x + 9)(3x + 7) = 0

Separate into possible cases -> 2x + 9 = 0; 3x + 7 = 0

The equation has two solutions: x1 = -9/2 and x2 = -7/3

Hope this helped!!

4 0
3 years ago
A garden is in the shape of a rectangle 90 m by 60 m.
balandron [24]

Answer:

3240 sq meters

Step-by-step explanation:

Area of garden = 90*60= 5400 square meters.

Flowers grown on = 40%

So, grass grown on = (100 -40)% = 60%

60% of 5400 = 0.6*5400 = 3,240.

So, the area of the garden that is grass = 3,240 square meters

7 0
3 years ago
Read 2 more answers
Problems with the join and separate structures, with the start or initial amount unknown, tend to be the hardest for young stude
Alexeev081 [22]

Answer:C) Children cannot use counters for the initial amount.

Step-by-step explanation:Problem solving allows students to use mathematical concepts, skills and the relationships among them to solve problem situations with different levels of difficulties. Problem solving framework allows students to solve mathematical situations by assisting them to handle or approach problem solving systemically.

There are basically four structures they are

(1) Join

(2) Separate

(3) Part-Part-Whole

(4) Compare.

JOIN AND SEPARATE STRUCTURES INCLUDE ACTIONS THAT INCREASE OR DECREASE A QUANTITY.

The part-part whole does not involve an action but it has a relationship between a particular whole and its two separate parts.

The compare structure also does not involve an action,but it compares two unconnected and distinct sets.

8 0
3 years ago
Mia had 5000 In the bank. She keeps the money in the bank for 4 years at 5% interest. How much interest did she earn?
viktelen [127]
Simple interest formula:
Interest = P*R*N

P = principle amount
R = interest rate (in decimal)
N = number of time periods (in years)

Interest = 5000*0.05*4 = $1000
4 0
2 years ago
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