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2 years ago

Find the measure of each angle in the triangle.

Mathematics

1 answer:

ValentinkaMS [17]2 years ago

6 0

Answer:

x=26°

Step-by-step explanation:

3x-14+x+90=180

4x-14=90

4x=104

x=104/4

x=26°

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The U.S. Census Bureau announced that the median sales price in 2014 for new homes was $282,800 and the mean sales price was $34

victus00 [196]

Answer:

a) 0.9964

b) 0.3040

Step-by-step explanation:

Given data:

standard deviation = $90,000

Mean sales price =$345,800

sample mean = $370,000

Total number of sample = 100

calculate z score for [/tex](\bar x = 370000)[/tex]

$z = \frac{\bar x - \mu}{\frac{\sigma}{\sqrt{n}}}$

$z = \frac{370000 - 345800}{\frac{90000}{\sqrt{100}}}$

z = 2.689

P(x<370000) = P(Z<2.689)

FROM STANDARD NORMAL DISTRIBUTION TABLE FOR Z P(Z<2.689) = 0.9964

calculate z score for (\bar x = 350000)

$z = \frac{\bar x - \mu}{\frac{\sigma}{\sqrt{n}}}$

$z = \frac{350000 - 345800}{\frac{90000}{\sqrt{100}}}$

z = 2.133

$P(350000 \leq \bar x \leq 365000) = P(0.467 \leq Z\leq 2.133) = P(Z\leq 2.133) - P(Z\leq 0.467)$

FROM NORMAL DISTRIBUTION TABLE Z VALUE FOR

$P(Z\leq 2.133) = 0.9836$

$P(Z\leq 0.467) = 0.6796$

SO, = 0.9836 - 0.6796 = 0.3040

4 0

3 years ago

Cecil started from point A and moved according to the expression 8+(-5)+7+6+(-7)+5+(-8).What one additional step does Cecil need

cupoosta [38]

Im pretty sure that i can solve this for ya

6 0

2 years ago

Read 2 more answers

Solve the system x-z=5, 2x+y= 7, y+3z=12

Wewaii [24]

x,z,y = 20,15,-33

i think thats it im sorry

7 0

3 years ago

HELP PLEASEEEEEEEEEEE

professor190 [17]

Question 5:
x/3=6
x=3(6)
x=18

Question 4:
2.3k=4.83
k=4.83/2.3
k=2.1

Question 6:
y=3/4-1/2
y=1/4

Question 2:
8r=24
r=3

Hope this helps!! :)

4 0

2 years ago

Fill in the missing reason in proof.

KiRa [710]

Answer:

Step-by-step explanation:

<u>As per steps given the congruent pairs are:</u>

AB and AC
BD and CD
Angle B and angle C

So two sides and included angle - it represents side-angle-side or SAS congruency theorem

8 0

3 years ago