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Y_Kistochka [10]
3 years ago
11

Use the figure to find the measurements of the numbered angles

Mathematics
2 answers:
velikii [3]3 years ago
7 0
Number 1 is 107
Number 2 is 73
sineoko [7]3 years ago
3 0
Angle 1 would 107° since a and b are parallel. Angle 2 would be 180° - 107° = 73°.
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Mrs. Bendit’s 1st Block class has 28 students. There are 7 girls in the class. What percent of boys are in the class?
Gemiola [76]

Answer:

Boys: 75%

Girls: 25%

Step-by-step explanation:

Total: 28 Students: 100%

7 Girls in clas

28(total)-7 (girls)= 21 Boys in class

__________________

If we divide the amount  boys OR girls ( depending on which gender) after the toal and move the decimal to the right twice after dividing) we will get our answer.

Formula:

(Amount of Boy or girls) = x

X/28

So since we are trying to get the percentages of boys, we will replace X with the amount of boys

21/28 = .75 ( then move the decimal to the right TWICE) =  75  

Then you should get your percentages: 75%  Also if your lookings for girls percentages, you basically subtract 75 ( boys percentages) with the total percentages ( 100) then you should get your answer for the girls: 25%

7 0
2 years ago
Read 2 more answers
Find the answer to the algebra equation: 18xy - 27y
soldier1979 [14.2K]
Im assuming you are supposed to factor this problem considering there is no = sign. starting with numbers, you can factor, or divide, both of those numbers by 9. moving on to letters, both terms have a “y” attached to them, so you can take out a y as well. leaving you with the simplified equation being

9y (2x-3)

5 0
4 years ago
Sebuah Prisma Segitiga memiliki tiga sisi masing
Veseljchak [2.6K]

Menjawab:

15cm

Penjelasan langkah demi langkah:

Keliling segitiga adalah jumlah semua sisi segitiga

P = s1 + s2 + s3

Diberikan sisi jika segitiga;

S1 = 5cm

S2 = 7cm

S3 = 3cm

Keliling = 5cm + 7cm + 3cm

Keliling = 15cm

Oleh karena itu, keliling segitiga tersebut adalah 15 cm

5 0
3 years ago
What is this I need the answer
Archy [21]
<h3>Answer is  0</h3>

===========================================================

Explanation:

Logarithms are used to solve exponential equations. Specifically if you have a variable in the exponent, then you use a log to isolate the variable.

If we set the given log expression to x, then we can rewrite it into 8^x = 1. The only value of x that works is x = 0.

------------

Or put another way,

8^x = 1

8^x = 8^0 ... replace the 1 with 8^0

x = 0 ... the bases are equal (to 8) so the exponents must be equal

------------

You can use the change of base formula to directly calculate this log

\log_8(1) = \frac{\log(1)}{\log(8)} = \frac{0}{0.903} = 0

8 0
3 years ago
14. A unfair coin has the probability of heads
Hitman42 [59]

Answer :

the probability of tossing three heads in a row

=\left( \frac{3}{8} \right)^{3}  =\frac{27}{512} =0.052734375

…………………………………………

the probability of tossing two heads followed by one tail

=\left( \frac{3}{8} \right)^{2}  \times \left( \frac{5}{8} \right)  =\frac{45}{512}

……………………………

the probability of two heads and one tail in any order

=3\times \left( \frac{3}{8} \right)^{2}  \times \left( \frac{5}{8} \right)  =\frac{135}{512}

3 0
2 years ago
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