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docker41 [41]
3 years ago
5

I need help on how to solve this problem?

Mathematics
2 answers:
Damm [24]3 years ago
5 0
X = -2
..................
Y_Kistochka [10]3 years ago
4 0
X=2 that anwser hope this helps
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A scientist conducted an experiment. Due to chemical reaction, the temperature of a compound rose 1/10 degree every 1/4 hour for
klio [65]

Answer:

The rate is \frac{2}{5} degree per hour.

Step-by-step explanation:

Given : A scientist conducted an experiment. Due to chemical reaction, the temperature of a compound rose \frac{1}{10} degree every \frac{1}{4} hour for a limited time.

To find : What was the rate, in degrees per hour that the temperature of the compound rose ?

Solution :

In every \frac{1}{4} hour the temperature of a compound rose \frac{1}{10} degree

To get  the rate, in degrees per hour,

In every 1 hour the temperature of a compound rose is

r=\dfrac{\frac{1}{10}}{\frac{1}{4}} degree

r=\dfrac{4}{10} degree/hr

r=\dfrac{2}{5} degree/hr

Therefore, the rate is \frac{2}{5} degree per hour.

5 0
3 years ago
On circle OOO below, the measure of \stackrel{\LARGE{\frown}}{FJ} FJ ⌢ F, J, start superscript, \frown, end superscript is 84^\c
lianna [129]

Answer:

100°

Step-by-step explanation:

The angle between chords is the average of the intersected arc angles.

∠FKJ = ½ (84° + 76°)

∠FKJ = 80°

∠HKJ is supplementary to ∠FKJ.

∠HKJ = 180° − 80°

∠HKJ = 100°

7 0
3 years ago
Use the elimination method to
IrinaK [193]

Answer:

5x + 3y = 2

5x - 3y = -22

Step-by-step explanation:yes

3 0
3 years ago
How long would it take to count to 1 million if it takes an average of 1 second to say each number? Give your answer to the near
uysha [10]

Answer:

i am going to say it takes 1 mill seconds? lol.

Step-by-step explanation:

6 0
3 years ago
You are standing on the ground looking up at a bird’s nest in a tree. You estimate you are 8 meters from the tree. When looking
slavikrds [6]

Answer:

8.31m

Step-by-step explanation:

tan 40 = Opp/Adj

tan 40 = x/8

x = 8 tan 40

x = 6.71m

Plus 1.6m = 8.31m

7 0
3 years ago
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