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Olin [163]
3 years ago
8

1) three times a number is equal to thirty​

Mathematics
2 answers:
KIM [24]3 years ago
7 0

Answer:

10!!

Step-by-step explanation:

10 x 3 = 30

10 + 10 + 10 = 30

frozen [14]3 years ago
4 0
R u asking me is it true or false ?
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Explain how the reaction time and the reaction rate compare to the temperature of the water and the reactants. Revisit your hypo
seropon [69]

Reaction rate and reaction time are inversely proportional to each other.

<h3>Reaction time and reaction rate</h3>

Reaction rate and reaction time are two intertwined concepts. Reaction rate refers to how quickly or slowly a reaction occurs while reaction rate refers to the time taken for a particular reaction to occur.

If the reaction rate increases, the reaction time decreases, if the reaction rate decreases, the reaction time increases hence the both quantities are inversely proportional to each other.

Learn more about reaction rate: brainly.com/question/8592296

8 0
3 years ago
The blood mass of a mammal is proportional to its body mass. A rhinoceros with body mass 3000 kilograms has blood mass of 150 ki
coldgirl [10]

Answer:

The equation which equates the two is M  = \frac{B}{20}  = 0.05B

A human with a body mass of 80 kilograms will have a blood mass of 4 kilograms.

Step-by-step explanation:

It is said that the blood mass is proportional to the body mass.

We can say that the blood mass of a mammal is M, and that the body mass of a mammal is B.

Since the two are proportional we can write

M  ∝ B   , or M = kB    where k is the constant of proportionality.

Using the given values for a rhinoceros we can write

150 = k × 3000

Therefore k = \frac{150}{3000} = \frac{1}{20}  = 0.05

Therefore the equation which equates the two is M  = \frac{B}{20}  = 0.05B

A human with a body mass of 80 kilograms will have a blood mass of

= \frac{80}{20}  = 4 kilograms

8 0
4 years ago
The ordered pair D(0,-5) is translated 2 units left and 6 units up. Which of the following describes the translation using trans
stich3 [128]

Answer:

Variant D

Step-by-step explanation:

Answer is x-2 and y+6

7 0
3 years ago
A car is traveling at a steady speed. It travels 2 1/3 miles in 3 1/2 minutes, how far will it travel in 32 minutes?
Mandarinka [93]
21 1/3 miles
Divide 32 by 3 1/2, and then multiply it by 2 1/3 to get this answer
3 0
3 years ago
Solve: d |6n+7|=8 can you guys answer me plezzzzzzzz
likoan [24]

Answer: -5/2 or 1/6

Step-by-step explanation:

I6n + 7I = 8

Therefore (6n + 7) = 8 or -8 because modulus means we're only getting it's absolute value, (it's positive value) meaning it could equal 8 or -8 before it's modulus'ed.

Therefore 6n + 7 = 8

or 6n + 7 = -8

Leaving us with:

6n = 1

6n = -15

So n = 1/6

or n = -5/2 (-2.5)

7 0
3 years ago
Read 2 more answers
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