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Nana76 [90]
3 years ago
7

PLEASE HURRY!

Mathematics
1 answer:
aivan3 [116]3 years ago
6 0

Answer:the second one is the answer

Step-by-step explanation:trust me

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The flag of a country contains an isosceles triangle.​ (Recall that an isosceles triangle contains two angles with the same​ mea
weeeeeb [17]

31 degrees, 31 degrees, 118 degrees

Step-by-step explanation:

Step 1 :

Let x be the measure of 2 angles of the given isosceles triangle with same measure

Let y be the measure of  3rd angle

So we have x + x + y = 180

Step 2 :

Given that the measure of  3rd angle of  triangle is 25​° more than three times the measure of either of the other two​ angles

So we have , y = 3 x + 25

Step 3:

Substituting for y in the first equation we have,

x + x + 3 x + 25 = 180

=> 5 x + 25 = 180

=> 5 x = 180-25 = 155

=> x = 155/5 = 31

Hence the 2 angles of the triangle are 31 degrees.

Step 4:

we have y = 3 x + 25

=> y = 3 * 31 + 25 = 118

Hence the 3rd angle of given triangle is 118 degrees

8 0
3 years ago
If 32^2c= 8^c+7, what is the value of c
Leona [35]

\bf 32^{2c}=8^{c+7}~~ \begin{cases} 32=2\cdot 2\cdot 2\cdot 2\cdot 2\\ \qquad 2^5\\ 8=2\cdot 2\cdot 2\\ \qquad 2^3 \end{cases}\implies (2^5)^{2c}=(2^3)^{c+7} \\\\\\ 2^{5(2c)}=2^{3(c+7)}\implies \stackrel{\textit{if the bases are the same, then so are the exponents}}{5(2c)=3(c+7)\implies 10c=3c+21} \\\\\\ 7c=21\implies c=\cfrac{21}{7}\implies c=3

3 0
3 years ago
Read 2 more answers
Calculate the area of the shade region at the right. Us the appropriateunit
Romashka [77]

Answer:

17 X 8 = 136^

area of a triangle

0.5 X b X h

0.5 X 8 X 17 = 68 cm^

136 - 68 = 68 cm^

total shaded area = 68 cm^

4 0
3 years ago
A high school math class has 28 students: 18 seniors and 10 juniors. What is the probability that four randomly selected student
aniked [119]

Answer:

18/28, or percentage wise, approximately 64.2%

Step-by-step explanation:

Take the seniors and divide it by the total # of students, and you got your probability!

7 0
3 years ago
HELP
evablogger [386]
We'd have to simply divide the total amount of hours by the total amount of episodes. This would be 10.5 / 14 = 0.75

So now, let's check if this is correct by multiplying 0.75 * 14 which should give us 10.5.

So the answer would be: 0.75 hours per episode.
7 0
3 years ago
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