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geniusboy [140]
2 years ago
8

Help me! I need to finish these questions quickly!!!!

Mathematics
2 answers:
goldfiish [28.3K]2 years ago
4 0

Answer:

18

Step-by-step explanation:

ziro4ka [17]2 years ago
4 0

Answer:

18. 133 degrees

19. they both equal 47 degrees??

Step-by-step explanation:

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Solve. T + 23 > 1 t > 24 t > –22 t < 24 t < –22
creativ13 [48]

t + 23 > 1     subtract 23 from both sides

t + 23 - 23 > 1 - 23

t > -22

5 0
2 years ago
What is the contra positive of the statement if 9x=27, then x=3
Karo-lina-s [1.5K]

Answer:

If 9x is not =27, then x is not =3

Step-by-step explanation:

Going out on a limb here, please ignore if I'm missing it:

If 9x is not =27, then x is not =3

(I can't type the equal sign with a slash through it.)

7 0
3 years ago
In the isosceles triangle below the congruent side each measure 13 meter if the bases of the triangle is 10 what is the height o
nata0808 [166]

Answer:

height=12

Step-by-step explanation:

To find the height of the triangle first you would have to change it into a right triangle.

The right triangle would have a base of 5 and the hypotenuse would be 13

The n you would use Pythagorean theorem to find the height

{a}^{2}  +  {b}^{2}  =  {c}^{2}

{5}^{2}  +  {b}^{2}  =  {13}^{2}

{b}^{2}  = 144

b=12

4 0
3 years ago
Liam's breakfast was an egg and cheese biscuit with a carton of milk. He spent a total of $5.65. Finn spent $7.65 on an egg and
ruslelena [56]

Answer:

An egg and cheese biscuit was $3.65.

Step-by-step explanation:

Liam's breakfast was:

P = E + C + M

Where:

P: total price

E: egg

C: cheese biscuit

M: carton of milk  

P = E + C + M

5.65 = E + C + M   (1)

Now, Finn's breakfast was:

P = E + C + 2*M

7.65 = E + C + 2*M   (2)      

By subtracting equation (2) from (1) we have:

7.65 - 5.65 = 2M - M

M = 2

Hence, the price of a carton of milk is $2, so by entering this value into equation (1) we can find the price of an egg and cheese biscuit:

5.65 = E + C + M

5.65 - 2 = E + C

E + C = 3.65

Therefore, an egg and cheese biscuit was $3.65.

I hope it helps you!

7 0
2 years ago
There are 11 women and 9 men in a certain club. If the club is to select a committee of 2 women and 2 men, how many different su
Lelechka [254]

Answer:

1980

We can choose 2 men from 9 in 36 in ways.

We can choose 2 women from 11 in 55 ways.

For any arrangement of 2 men there are 55 ways of combining them with 2 women => 55 * 36 = 1980 total ways.

If you're wondering how i got the numbers i used the combination formula:

C(n, k) = \frac{n!}{k!(n-k)!}

3 0
2 years ago
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