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Elenna [48]
3 years ago
12

Do these pair of ratios form a proportion 4/3 and 16/12

Mathematics
1 answer:
VMariaS [17]3 years ago
7 0
Yes they do.
16/12 and 4/3 forms of proportion
:^)

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I NEED HELP PLEASE AND SHOW THE WORK PLEASE
Trava [24]

Answer:

6. x = 28 degrees

7.  z = 1.6 cm

Step-by-step explanation:

6.  

Notice that you can use the property that tells us that the addition of all internal angles of a triangle must give 180 degrees, then you write the following equation:

50 + 69 + (2 x +5) = 180

combine like terms:

119 + 2 x + 5 = 180

124 + 2 x = 180

subtract 124 from both sides:

2 x = 56

divide by 2 both sides:

x = 56 / 2

x = 28 degrees

Problem 7.

If the two triangles are congruent, then the side MN must equal side RS.

Since MN  measure 1,8 cm, then RS must also measure 1.8 cm

and we can write the equation:

1.8 = 3 z - 3

adding 3 to both sides:

1.8 + 3 = 3 z

4.8 = 3 z

dividing both sides by 3:

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8 0
2 years ago
12-(-19)= <br><br>HELP ME OUT PLZ ​
Vikentia [17]

Answer:

31

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A negative negative is a positive

12- (-19)

12+19

31

6 0
3 years ago
The number of E.coli bacteria cells in a pond of stagnant water can be represented by the function below, where A represents the
liq [111]

Answer:

  • <u>Option B. 59%</u>

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The function that represents the number of E.coli bacteria cells per 100 mL of water as the time t years elapses is:

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The base, 1.123, represents the multiplicative constant rate of change of the function, so you just must substitute 1 for t in the power part of the function:

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Then, the multiplicative rate of change is 1.590, which means that every year the number of E.coli bacteria cells per 100 mL of water increases by a factor of 1.590, and that is 1.59 - 1 = 0.590 or 59% increase.

8 0
3 years ago
Find the mode in 18 7 4 19 3 18 19 12
scoundrel [369]
Hello there,

We need to remember that Mode means: the number that appears more than others.

18 will be your correct answer because the number 18 appears 2 times. And there is no other number that appears 2 times except 18.

18 is your answer.

~Jurgen
7 0
3 years ago
The circumference of a circle is like the ________ of a figure.
adelina 88 [10]

Answer:

The answer would be 'B. perimeter'.

8 0
3 years ago
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