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3 years ago

Help geometry is very hard lol

Mathematics

1 answer:

blsea [12.9K]3 years ago

3 0

Answer:

A. is your answer.

Step-by-step explanation:

If you look at the picture, you can see that S and T are congruent with each other.

LG and TD are not congruent along with L and D.

A. is your answer.

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30 POINTS!!! PLEASE HURRY!!Which of the following graphs correctly represents x > -1/2

miss Akunina [59]

<h3>Answer: Second graph</h3>

Why? Because we draw a dashed line through x = -1/2 = -0.5 on the horizontal number line (aka x axis). Then we shade to the right of this dashed line. The shaded region represents all points that make the inequality true. For example, the point (0,0) is in the shaded region. It has an x coordinate of x = 0 which is larger than -1/2

Side note: the dashed line says "points on this boundary do not count as solutions". So any point with an x coordinate of -1/2 does not count.

7 0

3 years ago

Write the equation of a line over which A(-3,5) reflects to A’(2,-5). BRAINLIEST TO THE 1ST PERSON!!

laila [671]

Not sure but (-2,5) and (1,3)

6 0

2 years ago

Read 2 more answers

in triangle WXY, if the measure of angle w is five less than twice the measure of angle y and the measure of angle x is 21 more

Vikki [24]

Considering that the sum of the internal angles of a triangle is of 180º, the measures of the angles in triangle WXY are given as follows:

x = 62º, y = 41º, w = 76º.

<h3>What is the sum of the internal angles of a triangle?</h3>

The sum of the internal angles of a triangle is of 180º. In this problem, the angles are w, x and y, hence:

x + y + w = 180.

The measure of angle w is five less than twice the measure of angle y, hence:

w = 2y - 5.

The measure of angle x is 21 more than the measure of angle y, hence:

x = y + 21.

Replacing in the first equation, we can find angle y as follows:

y + 21 + y + 2y - 5 = 180.

4y = 164.

y = 164/4

y = 41.

Then:

w = 2y - 5 = 2(41) - 5 = 76.

x = y + 21 = 41 + 21 = 62.

The measures of the angles are given as follows:

x = 62º, y = 41º, w = 76º.

More can be learned about the sum of the internal angles of a triangle at brainly.com/question/25215131

#SPJ1

7 0

2 years ago

A polling organization announces that the proportion of American voters who favor congressional term limits is 64%, with a 95% c

EastWind [94]

Answer:

Hence when C.I. is 80% then Margin of error will be 1.9591%

Step-by-step explanation:

Given:

1st Margin of error(MOE)=3%

1st C.I.=95%

2nd C.I.=80%

To Find:

MOE at 80%

Solution:

The proportion is 64 % i.e. is constant for both MOE

Proportion is given by (P),

P=x/n

Where x= favors congressional terms

n= total voters or sampled voters.

There values are same or constant.

i.e standard deviation is also constant

Now Formula for MOE is given by

$MOE=Z*[Standard devation/Sqrt(n)]$

here Z is value for confidence interval

MOE is directly proportional to the Z-value

$MOE=K*Z-value$ ... where k is proportionality constant.

$MOE/Z-value$ ....ratio is constant

So , for 95 % Z=1.96 and for 80% Z=1.28

$MOE(1st)/(Z-value 1st)=MOE(2nd)/(Z-value 2nd)$

$3/1.96=MOE(2nd)/1.28$

$MOE(2nd)=(3/1.96)*1.28$

$MOE(2nd)=1.5306*1.28$

$=1.9591$ %

5 0

3 years ago

What is the equation of the line

Travka [436]

Answer:

$\boxed {y = \frac{4}{5}x + 4}$

Step-by-step explanation:

Determine the graph by using the <em><u>rise over run</u></em>. Since the line shows that it is increasing (up), then the slope is positive:

Rise = $4$

Run = $6$

$m = \frac{4}{5}$

After you have found the slope, find the <u>y-intercept</u>, which when the line crosses the <u>y-axis</u>:

Y-intercept = $4$

-Since you now have the slope and y-intercept, use them to form a <u>Slope-Intercept form</u>:

$y = mx + b$

Apply them to the equation:

$\boxed {y = \frac{4}{5}x + 4}$

<u />

6 0

3 years ago