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vekshin1
4 years ago
7

Is the equation 3 +z=-19 true,false,open

Mathematics
2 answers:
denis-greek [22]4 years ago
8 0
Subtract 3 from both sides to get 3+z=-19 3+z-3=-19-3 z = -22 So it's only true when z = -22. This means that it's neither 100% true nor 100% false. So it's an open statement or sentence
siniylev [52]4 years ago
8 0

Answer:

Algebra 1 A Mid-Unit-Review

#1 C

#2 C

#3 B

#4 C

#5 B

#6 B

#7 C

#8 A

Have An Amazing Day!

Step-by-step explanation:

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MZ3 = 64<br>m_4 = 106°<br>and<br>4<br>2<br>3<br>1<br>What is<br>mZ1,​
ddd [48]

Answer: m∠1=42°

Step-by-step explanation

For this problem, we can separate the triangle into 2 separate triangles to solve for m∠1.

We know that m∠4 is 106°. ∠2 and ∠4 are supplementary angles. You can see that they make a straight line of 180°. We can use this fo find ∠2.

∠2+∠4=180

∠2+106=180

∠2=74°

Now that we know ∠2 is 74°, we can use that to solve for m∠1.

We know that the measures of the angles in a triangle equal to 180°. For the triangle at the bottom, we see ∠3, ∠2, ∠1. Since we know ∠3 and ∠2, we can find ∠1.

∠3+∠2+∠1=180

64+74+∠1=180

138+∠1=180

∠1=42°

4 0
4 years ago
What is -4x-2=-2/3 equal to?
NemiM [27]

Answer:

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therefore x = (4/3) divide by -4

x = ( 4/3) / -4

x = 4/3 x -1/4

x = -1/3

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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