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MAVERICK [17]
3 years ago
6

What is the value of z in the equation 2z + 7 = -5? a. -6 b. -1 c. 1 d. 6

Mathematics
2 answers:
Mekhanik [1.2K]3 years ago
4 0
2z +7 = -5

2z = -5 -7

2z = -12

z= -12 /2

z= -6
Alina [70]3 years ago
4 0

Answer:

-6

Step-by-step explanation:

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I need help with number 3
Lynna [10]
The hexagon divides the circle into 6 parts. That means the angle projecting each side is: 360°÷ 6 = 60°

The area of a circle is: πr²
78.54 in² divided by pi is 25 making the radius = 5

I would then use SOH CAH TOA to solve for the side.. knowing the hypotenuse is the radius and the angle to split it into a right triangle is 30°

Sin(30) = s/5
5*Sin(30) = s

12*s = perimeter hexagon
(remember s is half the hexagon side)

12*5*Sin(30) = perimeter hexagon
30 inches  = perimeter

6 0
3 years ago
Is my answer right? if not can you please tell me which won is right..
cupoosta [38]
<h2><u>A = 4</u> is the correct answer!</h2><h3></h3><h3>3 x ? = 12</h3><h3>12 ÷ 3 = 4</h3><h3>so</h3><h3>1 x 4 = 4</h3><h3 /><h3>You're wrong. It is not six.</h3><h3>By the way, it's "one" not "won".</h3><h3>It was probably a mistake.</h3><h3>:)</h3><h3 /><h3><em>Please let me know if I am wrong.</em></h3>
5 0
2 years ago
Someone help me it's due today <br>​
GalinKa [24]

Answer:

y=2x+6

Step-by-step explanation:

y=2x+6 you are welcome!!

5 0
3 years ago
Please help I don’t understand
aksik [14]
Is this a multiple choice question? If so what are the options?
My guess is 21
7 0
3 years ago
J = K (1+ p/100) make p as a subject
olganol [36]

Answer:

p = 100(J/K - 1)

Step-by-step explanation:

When we want to make a variable the subject of an equation, we want to get that variable by itself on one side of the equation - to unwrap it from all the operations attached to it.

Here's what the process looks like for p:

J=K(1+p/100)\\J/K=1+p/100\\J/K-1=p/100\\p=100(J/K-1)

8 0
2 years ago
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