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stealth61 [152]
3 years ago
7

Can i get some help on my test please?

Mathematics
2 answers:
Leviafan [203]3 years ago
6 0

Answer:

Non-Proportional. Their cross products are not equal.

Step-by-step explanation:

Hope this helps! :)

Veseljchak [2.6K]3 years ago
5 0

Answer:

Not proportional.

Step-by-step explanation:

The butterfly method multiples it like a butterfly. Ex. 5 times 3 is 15. 8 times 2 is  16. Therefore, not proportional.

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One angle of a triangle measures <img src="https://tex.z-dn.net/?f=10degrees" id="TexFormula1" title="10degrees" alt="10degrees"
iVinArrow [24]

Answer:

One\ angle: 35^o\\Second\ angle: 25^o\\Third\ angle: 120^o

Step-by-step explanation:

Let

x ----> the measure of one angle of the triangle

y ---> the measure of the second angle

z ----> the measure of the third angle

we know that

The sum of the measure of the interior angles in any triangle must be equal to 180 degrees

x+y+z=180^o -----> equation A

One angle of a triangle measures  10 degrees more than the second

x=y+10 ----> equation B

The measure of the third angle is twice the sum of the first two angles

z=2(x+y) ---> equation C

substitute equation B in equation C

z=2(y+10+y)

z=4y+20 ----> equation D

substitute equation D and equation B in equation A

(y+10)+y+(4y+20)=180^o

solve for y

6y=180-30\\6y=150\\y=25^o

Find the value of x

x=25+10=35^o

Find the value of z

z=4(25)+20=120^o

therefore

One\ angle: 35^o\\Second\ angle: 25^o\\Third\ angle: 120^o

5 0
3 years ago
I need help pls dont troll I need this thxxx wan to be friends
oksian1 [2.3K]
I hope this helps! I also explained each step

7 0
3 years ago
A quater has a diameter of 24 milimters. what is the area of the quarter?
loris [4]

Answer: 1809.56

Step-by-step explanation: Find The Radius Of A Quarter (Half Of The Diameter) Then Square The Radius, Or Multiply It By Itself. Then, Multiply The Squared Radius By Pi, Or 3.14, To Get The Area.

3 0
3 years ago
Read 2 more answers
Even though the population standard deviation is unknown, an investigator uses z rather than the more appropriate t to test a hy
Marta_Voda [28]

Answer:

a) The level of significance is large because here z is not appropriate.

b) The true critical value is larger than z because the level of significance is large.

Step-by-step explanation:

a) Based on the question under consideration, the true level of significance is larger than .05 level of significance is large, the reason being that z is not appropriate in this case.

b) The true critical value is larger than that of the critical z, this is because the level of significance is large.

t* in P(T > t*) = 0.975 is more than z* = 1.96 in P(z> z*) =0.975

3 0
3 years ago
I'll give brainliest. <br><br> Simplify the fraction<br> 61/82 as much as possible.
Vesna [10]

Answer:

it cannot be simplified

Step-by-step explanation:

4 0
3 years ago
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