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Dafna1 [17]
4 years ago
10

Aeen is drinking a beverage that has a pH of 3.3.

Mathematics
2 answers:
yaroslaw [1]4 years ago
5 0

Answer:

The answer should be 4.

Step-by-step explanation:

I just had the question on E2020.

Alekssandra [29.7K]4 years ago
4 0
It would be 0.6. The total
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Suppose a coin is flipped 10,000 times. What is a reasonable prediction for the number of times the coin lands on tails?
JulsSmile [24]
5,000 because a coin has 2 sides so there is 50% chance flipping on tails.
4 0
3 years ago
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What is the value of n in the equation below 9n-24=4n+6
Stels [109]

Answer:

n = 6

Step-by-step explanation:

9n - 24 = 4n + 6              {Subtract 4n from both sides }

9n - 24 -4n = 6

       5n - 24 = 6               {Add 24 to both sides}  

               5n = 6 + 24

               5n = 30

                 n = 30/5

n = 6

3 0
3 years ago
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Which expressions are equivalent to -56z+28−56z+28minus, 56, z, plus, 28?
bearhunter [10]

Answer:

B) (-1.4z+0.7)\times 40

D) (8z-4)(-7)

Step-by-step explanation:

Given expression:

-56z+28

To find the equivalent expression.

We will evaluate each expression in the given choices to check the equivalence.

A) \frac{1}{2}(-28x+14)

Using distribution.

⇒ \frac{-28z}{2}+\frac{14}{2}

⇒ -14z+7

B) (-1.4z+0.7)\times 40

Using distribution.

⇒ (-1.4z\times 40)+(0.7\times 40)

⇒ -56z+28

C) (14-7z).(-4)

Using distribution.

⇒ (14.(-4))+(-7z.(-4))

⇒ -56+28z

D) (8z-4)(-7)

Using distribution.

⇒ (8z(-7))+(-4(-7))

⇒ -56z+28

E) -2(-28z-14)

Using distribution.

⇒ (-2(-28z))+(-2(-14))

⇒ 56z+28

From the choices evaluated, we find that the expressions in choices B and D are equivalent

5 0
3 years ago
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Find the measures of a right triangle with one angle whose measure is 30
Zarrin [17]

Answer:

The other measure is 60º

Step-by-step explanation:

a triangle= 180º total

a right triangle has one 90º angle

there is a 30º angle given

180-90=90

90-30=60

so 60º

7 0
3 years ago
Allison has a poster that is 15 in by 18 in. What will the dimensions of the poster be if she scales it down by a factor of 1/3?
Ainat [17]

Answer:

5 in by 6 in.

8 0
3 years ago
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