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liberstina [14]
2 years ago
13

Find the value of x

Mathematics
2 answers:
zloy xaker [14]2 years ago
5 0

Answer:

66

Step-by-step explanation:

EHG is a straight line so it is 180°.

You already know the value of FHG, so you can find the value of 2x.

180° = 48° + 2x

2x = 180° - 48°

    = 132

x = 132° ÷ 2

  = 66

Tanya [424]2 years ago
5 0

Answer:

66 should be the answer.

Step-by-step explanation:

2x + 48 = 180

2x + 48 - 48 = 180 - 48

2x = 132

2x ÷ 2 = 132 ÷ 2

x = 66

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CAN SOMEONE PLEASE HELP ME OUT ​
liberstina [14]

Answer:

Similarly: yes

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Scale factor: 2/7

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3 years ago
AND<br> - 4x + 3 &lt; -6<br> 12.c<br> · 39 &lt; 9
Scilla [17]

Answer:

the answer is 30 u were close u idiot but you aren't good enough dorry but u Americans are stupid and hell

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2 years ago
There are many ways to measure the reading ability of children. Research designed to improve reading performance is dependent on
ELEN [110]

Answer:

A 90% confidence interval to estimate the mean DRP score in Henrico County Schools  is =32±2.7280

i.e. C.I.  [29.3,34.7]

Hence the results are not significant.

Step-by-step explanation:

Given:

Total no of students =44

True mean =32

Standard deviation=11

And all 4 students score also given.

To Find:

90 % confidence interval and conclusion on it.

Solution:

Here for C.I. we required mean, standard deviation and no of students.

So mean =32,S.D.=11 and n=44

Therefore , For 90 % interval Zscore is Z=1.645

C.I.=mean±Z[Standard  deviation/Sqrt(n)]

=32±1.645[11/Sqrt(44)]

=32±1.645[1.6583]

=32±2.7280

i.e. C.I.  [29.3,34.7]

Now Here to commit on calculated interval we should check  value of Z-score

So we need to calculate the sample mean.

Sample mean =Sum of all values /Total no of values.

=[40+ 26 +39+ 14+ 42+ 18 +25+ 43+ 46 +27 +19+ 47+ 19 +26+ 35 +34+ 15+ 44 40+ 38+ 31+ 46 +52 +25+ 35 +35+ 33 +29 +34 +41 +49+ 28+ 42+ 47 +35 +48 +22 33+ 41 +51 +27 +14+ 54 +45]/44

=34.86

Z-score=(sample mean -true mean)/[standard deviation/Sqrt(n)]

=(34.86-32)/[11/Sqrt(44)]

Z=1.72465

For ,

P(Z≥1.72465)=0.08544

For 0.05 significance level  the results are not significant at  p<0.01.

Researcher claimed mean is not correct upto 0.05 significant level

i.e calculated mean and Sample mean are different.

Hence the results are not significant.

6 0
2 years ago
3 groups of how many tenths is 1.5
topjm [15]
Well its 1 and 5 tenths 
- 1.5 = 15 tenths
- 5 groups of 3 is the answer
because 5 x 3 = 15
5 0
3 years ago
Read 2 more answers
. Which of the following is the correct algebraic representation of the translation below?
stepladder [879]

Answer:

D) (x+6, y+5)

Step-by-step explanation:

You can start with the top corner of triangle A

Then count up 5 units and right 6 units

Because you count vertically 5 units that means you're using the y-axis, And because you're counting up, than means the values are positive.

And because you count horizontally 6 units you're using the x-axis, And you are counting to the right so the values are positive.

Down vertically=Negative Y-axis Values. Up vertically=Positive Y-axis Values

Right horizontally=Positive X-axis values. Left horizontally=Negative X-axis Values

8 0
2 years ago
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