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DanielleElmas [232]
3 years ago
14

The _________________________________ is the ratio between two directly proportional quantities. Two quantities are directly pro

portional when they increase and decrease at the same rate.
Mathematics
1 answer:
hoa [83]3 years ago
5 0

Answer:

Constant of proportionality

Step-by-step explanation:

There is nothing to explain

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What is the solution to -(4x-3) = -7(9+x) ???
Likurg_2 [28]

Answer:

The solution is -22

Step-by-step explanation:

<em>The solution of an equation is the value of the variable of the equation</em>

∵ -(4x - 3) = -7(9 + x)

→ Simplify each side

∵ -(4x) - -(3) = -7(9) + -7(x)

∴ (-4x) - (-3) = -63 + (-7x)

→ Remember (-)(-) = (+) and (-)(+) = (-)

∴ -4x + 3 = -63 - 7x

→ Add 7x to both sides

∴ -4x + 7x + 3 = -63 - 7x + 7x

∴ 3x + 3 = -63

→ Subtract 3 from both sides

∵ 3x + 3 - 3 = -63 - 3

∴ 3x = -66

→ Divide both sides by 3

∴ x = -22

∴ The solution is -22

8 0
3 years ago
To determine her power usage​, Keri divides up her day into three​ parts: morning,​ afternoon, and evening. She then measures he
marusya05 [52]

Answer:

Stratified Sampling

Step-by-step explanation:

Since Keri divides the day into different strata and each unit is selected from each strata randomly. So, it is Stratified Sampling.

Further, In Stratified Sampling population is divided into several groups such that within the group it is homogeneous and between the group it is heterogeneous. And now a selection of each stratum and unit has an equal chance of selection.

3 0
3 years ago
What type of function can be used to model the scenario?
11111nata11111 [884]

Answer:

linear

Step-by-step explanation:

7 0
3 years ago
Hi can someone help me out with this problem.
elena-s [515]

Answer:

third side = 9

Step-by-step explanation:

Using Pythagoras' identity on the right triangle.

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides.

let the third side be x, then

x² + 40² = 41², that is

x² + 1600 = 1681 ( subtract 1600 from both sides )

x² = 81 ( take the square root of both sides )

x = \sqrt{81} = 9

The third side is 9

3 0
3 years ago
Read 2 more answers
3. 24 +13
Elodia [21]

Answer:

37

Step-by-step explanation:

??!?!?!?!?!?! don't know what'cha mean

5 0
3 years ago
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