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LUCKY_DIMON [66]
3 years ago
9

First one to answer will be marked brainliest

Mathematics
1 answer:
Sholpan [36]3 years ago
5 0

Answer:

c, b, d

Step-by-step explanation:

4. 9^6 is the same thing as multiplying 6 9's, which is option C.

5. Since they have the same base, we can subtract the exponents to get 4^6, or option B.

6. When you have a^(-m), you write it as 1/a^m. In this case, we have 1/(2/3)^3 =  1/(8/27) = 27/8, which is option D. Hope this helps!

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In engineering, equilateral triangles can support the most weight and so are commonly found in the design of bridges and buildin
Dafna1 [17]

Answer:

60°

Step-by-step explanation:

Am equilateral triangle is a triangle that has all its sides and angles equal. Note that an equilateral triangle has 3 sides and angles.

Let the angles be a, b and c

The sum of angle in a triangle is 180°, hence;

a+b+c = 180°

Since a = b = c

The equation becomes;

a+a+a = 180°

3a = 180

a = 180/3

a = 60°

Hence the measure of the angles of an equilateral triangle is 60° for the three angles.

4 0
3 years ago
PLEASE HELP ME I WILL GIVE YOU POINTS
Brilliant_brown [7]

Answer:I got 18.28

Step-by-step explanation:

so for getting the perimeter, you only need the outer line, so you sum the measurements you have for the rectangle: 1+2+2+7= 12. After that you need the circumference of the circle, you can figure it out by using the formula C = 2pi(r) You can find the radius by substracting the known sides of the rectangle attached to the circle from the bottom base and then dividing it in 2, leaving us with a radius of 2. Then we input values; C=2pi(2) which equals 4pi, but we need to divide that in half since it’s only half a circle. That leaves us with 2pi, or 6.28. Then we add the perimeter of the square, which was 12, and 6.28+12= 18.28

4 0
2 years ago
There are 16 types of flowers used to decorate for a party. Twelve of the flowers types last an average of 4 days before they wi
KATRIN_1 [288]
If 12 types only last 4 days, and the rest last an average of 6, then the average amount of days that ALL the flowers wilt would be 5. To find the average, you add 6 and 4 to get 10, and since there is only 2 number we added togehter to get 10, you would divide 10 by 2 to get 5!
5 0
2 years ago
Read 2 more answers
9
ale4655 [162]

Answer:

A: 10,000 residents to 25 police officers

Step-by-step explanation:

400*25=10,000

5 0
2 years ago
What does simplify mean in math?
Law Incorporation [45]
Simplify in Math, like in English, means to make as simple as possible - as "down to the roots as possible".

In the example = 36 + 10 . To simplify fully would be = 46 since that is as simple as it gets.

In algebra, to simplify fully might involve 14 = 2x, where to simplify fully would be to find x (x = 7)
5 0
3 years ago
Read 2 more answers
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