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mylen [45]
3 years ago
8

Solve the equation 4(z−3)=2z9+22 using the balancing method. z=

Mathematics
1 answer:
il63 [147K]3 years ago
6 0

Answer:

z = 9

See my attachment below for step-by-step explanation.

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A regular octagon rotates 360° about its center. How many times does the image of the octagon coincide with the preimage during
Anuta_ua [19.1K]
This regular polygon, having eight sides and 45º angle in similar parts, when rotating 360º, will find a similar image and a similar angle of 45º, therefore dividing the angle of 360º by 45º will be the Number of coincidences<span> in image.

</span><span>Solving, thus, we have:
</span>\frac{360}{45} = \boxed{\boxed{8\:coincidences\:in\:image}}\end{array}}\qquad\quad\checkmark<span>



</span>
4 0
3 years ago
Read 2 more answers
There are a total of 84 students in the robotics club and the science club. The science club has 12 more students than the robot
Dafna11 [192]

Answer:

48 students in science

Step-by-step explanation:

Let r = students in robots club

s = students in science club

r+s = 84

s = r+12

Substitute the second equation into the first

r+(r+12) = 84

Combine like terms

2r+12 = 84

Subtract 12 from each side

2r = 84-12

2r = 72

Divide by 2

r = 72/2 = 36

We need to find s

s = r+12

s = 36+12

s = 48

There are 48 students in the science club

4 0
3 years ago
Read 2 more answers
Which of the following is the correct factorization of the polynomial below? x^3-12
ser-zykov [4K]

Answer:

This question is not complete.

Step-by-step explanation:

Hi, The question is not complete but i think the question was this:

Which of the following is the correct factorization of the polynomial below?

x^3 - 12

A. (x + 3)(x - 4)

B. (x - 3)(x + 4)

C. (x + 3)(x^2 - 4x + 4)

D. The polynomial is irreducible.

in which case, the answer will be this:

D as this polynomial can't be reduced

7 0
3 years ago
Read 2 more answers
For 4 hours Sam traveled at 40 miles per hour. Then he increased his speed to 60 miles per
Vlad [161]

Answer:

4*40 = 160 + (3*60) = 340

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A vat contains 21.12 L of cleaning solution. Kenyon pours the solution into 0.44-L containers.
jek_recluse [69]
I believe your answer is 48. I hope i was helpful
7 0
4 years ago
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