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Tanzania [10]
3 years ago
10

Given m||n, find the value of x. + (2x-26) (7x+8)​

Mathematics
2 answers:
melomori [17]3 years ago
6 0

Answer:

value of x is 22°

Step-by-step explanation:

Correct answer

horsena [70]3 years ago
5 0

Given :

m||n, interior angles are (2x-26) and (7x+8).

To Find :

Find the value of x.

Solution :

We know, alternate interior angle of a triangle are supplement to each other.

So, (2x-26) + (7x+8) = 180°

9x - 18° = 180°

9x = 198°

x = 22°

Therefore, the value of x is 22°.

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A study records the lengths of pregnancy (in days) of 500 women. The data is normally distributed with a mean of 266 days and a
VashaNatasha [74]

Answer:

<em>371 women had their pregnancy between 250 days and 282 days in length.</em>

di po ako sure sa answer ko, but it is based on what I remembered.

Step-by-step explanation:

z=<u>532-266</u>

<u> </u><u> </u><u> </u><u> </u><u> </u><u>1</u><u>6</u><u> </u><u> </u>

√500

= 371.74 or 371

4 0
3 years ago
Find side x , give your answer 1 decimal place <br>​
Vladimir [108]

<u>Given</u>:

Let A denote the angle of the given triangle which measures ∠A = 81°

Let B denote the angle which measures ∠B = 40°

The length of the side a = x.

The length of the side b = 7 cm.

We need to determine the value of x.

<u>Value of x:</u>

The value of x can be determined using the law of sine formula.

Applying the law of sine, we have;

\frac{sin \ A}{a}=\frac{sin \ B}{b}

Substituting the values, we have;

\frac{sin \ 81^{\circ}}{x}=\frac{sin \ 40^{\circ}}{7}

Simplifying, we get;

\frac{0.988}{x}=\frac{0.643}{7}

Cross multiplying, we have;

0.988 \times 7=0.643 x

     6.916=0.643x

       10.8=x

Thus, the length of the side x is 10.8 cm.

4 0
3 years ago
What is 13 out of 25 as a percentage
elena-s [515]

Answer:

%52

Step-by-step explanation:

13/25 0.52 move decimal two places to left and add percent %52

5 0
3 years ago
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In a class of 27 students, five students have 1 pet.
Digiron [165]

Answer:

yes, the student who has 8 pets.

Step-by-step explanation:

the majority of the class has between 0-4 pets leaving the student with 8 to be the "outlier"

3 0
3 years ago
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Dylan owes half as much money as he used to owe. If he used to owe $28, which of the following expressions would reflect how muc
Vinil7 [7]
If Dylan owes half as much as he used to that would imply that the 28$ would be divided by two which would be 14$, which means that half of what he owed 28$ would now be 14$.

5 0
3 years ago
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