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Alina [70]
2 years ago
13

What is the value of x​

Mathematics
2 answers:
exis [7]2 years ago
8 0

Answer:

x = 70

Step-by-step explanation:

x = 180 - (30 + 80)

x = 180 - 110

x = 70

to be sure

70 + 80 + 30 { = }^{?} 180

100 + 80 { = }^{?} 180

180 = 180

aleksley [76]2 years ago
7 0

Answer:

70°

Step-by-step explanation:

All triangles' angles are added up to 180°

30 + 80 + x = 180

110 + x = 180

x = 180 - 110

x = 70

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A factory produces 42,000 computer monitors per day. The manager of the factory claims that fewer than 660 defective computer mo
Oksana_A [137]

Answer:

<h2> The manager's claim is likely to be true.</h2>

Step-by-step explanation:

We are given that the factory produces  42,000  computer monitors per day

And the claim is of this amount produces fewer than 660 are defective.

a random sample shows that of 240 monitors 2 are defective

to verify the factory managers claim we need to know how many 240s are there in 42000

=42000/240= 175

Since each 240 will give 2 defective monitors

175 will give= 175*2= 350

350 is less than 660 hence the managers claim is correct

5 0
3 years ago
If 5x - 2y = 6 and 3x + 2y = 10, then find x​
Darina [25.2K]

Answer:

x=2

Step-by-step explanation:

After solving with substitution, you would know x = 2

5 0
3 years ago
Read 2 more answers
A data store system that collects and stores all of the learning experiences in the form of statements that can be organized and
ki77a [65]

The learning records is the meaningful way in which all of the data of  learning experiences is record in the form of statements.

According to the statement

we have to tell that the which record is used when A data store system that collects and stores all of the learning experiences in the form of statements that can be organized and presented in a meaningful way.

So, for find this data store way to record the data

We know that the

The Learning Record provides an architecture and process for documenting student progress and achievement, based on interviews, observations over time, samples of students' naturally-occurring work, and well-supported interpretations of learning across five dimensions.

we see that the these given conditions in statement are approved by the data store way named the learning records.

So, The learning records is the meaningful way in which all of the data of  learning experiences is record in the form of statements.

Learn more about Data here brainly.com/question/518894

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8 0
1 year ago
(x+15)/(3z-y) if x=5 z=4 y=2
maxonik [38]
The answer for your question is 2
6 0
3 years ago
Read 2 more answers
3x^2-3x<br> ----------- -3<br> x^2-9x<br> please give me the simplified answer + explanation
STatiana [176]
You want us to simplify \frac{3x^2-3x}{x^2-9x}-3


first, factor top and bottom
3x^2-3x=3x(x-1)
x^2-9x=x(x-9)

so we have
\frac{3x(x-1)}{x(x-9)}-3=
\frac{3(x-1)}{x-9}-3
we want to combine fractions so multiply 3 by \frac{x-9}{x-9}
\frac{3(x-1)}{x-9}-\frac{3(x-9)}{x-9}=
\frac{3(x-1)-3(x-9)}{x-9}=
\frac{3x-3-3x+27}{x-9}=
\frac{24}{x-9}


the simplified answer is \frac{24}{x-9}
8 0
3 years ago
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