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3 years ago

If T is the midpoint of SU, find x.

Mathematics

1 answer:

navik [9.2K]3 years ago

6 0

A midpoint lies right in the middle so this splits the segment into two equal halves.

ST = TU

Let's plug the expressions from the picture into our equation.

8x + 11 = 12x - 1

Add 1 to both sides, and subtract 8x from both sides.

12 = 4x

Divide both sides by 4

3 = x

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Find the value of f(7). y = f(x)

kozerog [31]

Step-by-step explanation:

For x = 7 or y = f(7)

Graph and solution are in the picture below

8 0

2 years ago

My question is 4% of what is 56?

Scrat [10]

4% is the same as 0.04 

so 0.04 x n = 56 where "n" is some number 

0.04n = 56 Divide both sides by 0.04 

n = 1400

4 0

2 years ago

Find the area of the polygon.

zalisa [80]

Answer:

$A=128\ cm^2$

Step-by-step explanation:

we know that

The area of the polygon is equal to the area of a square plus the area of four congruent triangles

$A=b^2+4[\frac{1}{2}(b)(h)]$

where

$b=8\ cm\\h=4\ cm$

substitute

$A=8^2+4[\frac{1}{2}(8)(4)]$

$A=64+64=128\ cm^2$

4 0

3 years ago

How to find the missing angle of a parallelogram only knowing 1 number?

lesantik [10]

Answer:
__________________________________________________________
If you know the measure of the angle of one particular angle, the alternate interior angle that corresponds to said particular angle will have that same measurement.
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4 0

3 years ago

Brayden tosses a coin 500 times. Of those 500 times, he observes heads a total of 416 times. Calculations show that the probabil

elena-14-01-66 [18.8K]

Answer: The probability of this ocurring by chance is less than 0.01.

The meaning of the significance level is that it tells that there is difference of 1% level when there is no actual difference.

Step-by-step explanation:

Since we have given that

Number of times a coin tossed = 500

Number of times head occurs = 416

So, our Z-score would be

$Z_\alpha =\dfrac{416}{500}=0.832$

So, At significance level of 0.01, p-value of Z-score is .202704.

and p-value < 0.01, i.e. 0.202704<0.832.

Hence, the probability of this ocurring by chance is less than 0.01.

The meaning of the significance level is that it tells that there is difference of 1% level when there is no actual difference.

7 0

3 years ago