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Shkiper50 [21]
2 years ago
15

Find the values of x and y ???? show step plz​

Mathematics
2 answers:
lesantik [10]2 years ago
6 0

Answer:

x= 90 degrees

y= 47 degrees

Step-by-step explanation:

Since the two sides of this triangle are equal in lengths, you know that it is an isosceles triangle.

So with this information, you know that the angle at the bottom left is also 47 degrees.

x would be equal to 90 degrees because it is perpendicular to the bottom of the triangle (assuming).

A triangle has 180 degrees, so add up the lengths we have to solve for the missing angle, y.

90+47+y=180

y= 43

Svetlanka [38]2 years ago
4 0

{\huge{\boxed{\mathfrak{Answer\:With\:Explanation}}}

First we can say x=90°, since x is located at the right angle part.

Now we can make an equation

90+47+y=180

subtract 137 from sides.

y=43

_________________________________

{\huge{\boxed{\mathfrak{Answer}}}

  • x=90°
  • y=43°

_________________________________

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Mandarinka [93]

Answer:

X=4

Step-by-step explanation:

Hope this helped !!!!

3 0
4 years ago
How to find the absolute location of -12 + -6=-18
cestrela7 [59]
|-12 + -6| = |-18| = absolute value of negative eighteen = . . . 18
8 0
3 years ago
Y&gt;-3x +3<br> y≥ 2x-2<br> O (1,0)<br> O (-1,1)<br> O(2,2)<br> (0,3)
Ainat [17]

Answer:

(1,0)

Step-by-step explanation:

y>-3x +3

y≥ 2x-2

If we plot these two inequalities, we can see where the lines intersect,  See attached graph.

They intersect at (1,0)

We can also do this mathematically:

  y>-3x +3

<u>- (y≥ 2x-2)</u>

0 \geq -5x + 5

5x \geq 5

x \geq 1

If x = 1:

y≥ 2x-2

y≥ 2(1)-2

y≥ 0

(x,y) = (1,0)

3 0
2 years ago
Consider the following hypothesis test.H0:μ1−μ2=0 Ha:μ1−μ2≠0The following results are for two independent samples taken from the
Julli [10]

Answer:

a) z =\frac{104-106}{\sqrt{\frac{8.4^2}{80} +\frac{7.6^2}{70}}}= -1.53  

b) p_v =2*P(z

c) Since the p value is higher than the significance level provided we have enogh evidence to FAIL to reject the null hypothesis and we can't conclude that the true means are different at 5% of significance

Step-by-step explanation:

Information given

\bar X_{1}= 104 represent the mean for 1

\bar X_{2}= 106 represent the mean for 2

\sigma_{1}= 8.4 represent the population standard deviation for 1

\sigma_{2}= 7.6 represent the population standard deviation for 2

n_{1}=80 sample size for the group 1

n_{2}=70 sample size for the group 2

z would represent the statistic

Hypothesis to test

We want to check if the two means for this case are equal or not, the system of hypothesis would be:

H0:\mu_{1}=\mu_{2}

H1:\mu_{1} \neq \mu_{2}

The statistic would be given by:

z =\frac{\bar X_1-\bar X_2}{\sqrt{\frac{\sigma^2_1^2}{n_1} +\frac{\sigma^2_2^2}{n_2}}}=(1)

Part a

Replacing we got:

z =\frac{104-106}{\sqrt{\frac{8.4^2}{80} +\frac{7.6^2}{70}}}= -1.53

Part b

The p value would be given by this probability:

p_v =2*P(z

Part c

Since the p value is higher than the significance level provided we have enogh evidence to FAIL to reject the null hypothesis and we can't conclude that the true means are different at 5% of significance

6 0
3 years ago
In the first week of a diet program, eight women lost an average of 3 pounds each. What was the total weight change for the eigh
Vladimir [108]

Answer:

The total weight change for the eight women was -24.

Step-by-step explanation:

In order to find the answer, you have to consider that average is calculated by dividing the total weight change by the number of women and you know that the average was they lost 3 pounds and there were 8 women:

Average= total weight change/number of women

-3=total weight change/8

total weight change=-3*8

total weight change=-24

According to this, the answer is that the total weight change for the eight women was -24.

5 0
3 years ago
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