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Serga [27]
3 years ago
11

What is the constant of proportionality in the following equation? y=54.3x

Mathematics
2 answers:
gayaneshka [121]3 years ago
6 0
Its 54.3

explanation:
Karolina [17]3 years ago
3 0

Answer:

54.3

Step-by-step explanation:

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Describe and correct the error a student made in finding the midpoint of CD with ​C(​4,5) and ​D(​1,​4).
Andru [333]

Using the given information, the midpoint of CD is (2.5, 4.5)

<h3>Midpoint of a line </h3>

From the question, we are to determine the midpoint of line CD

The midpoint of a line is given by the formula,

[(x₁ + x₂)/2 , (y₁ + y₂)/2]

From the given information, we are to find the midpoint of line CD with coordinates C(​4,5) and ​D(​1,​4)

∴ x₁ = 4

x₂ = 1

y₁ = 5

y₂ = 4

Putting the parameters into the formula for midpoint, we get

[(x₁ + x₂)/2 , (y₁ + y₂)/2]

[(4 + 1)/2 , (5 + 4)/2]

(5/2 , 9/2)

(2.5, 4.5)

Hence, the midpoint of CD is (2.5, 4.5)

Learn more on Midpoint of a line here: brainly.com/question/896396

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6 0
2 years ago
In 1920, a woman had 4 daughters. In 1950, each daughter had 3 daughters. In 1980, each of their daughters had 3 daughters. Fina
neonofarm [45]

Answer:3

Step-by-step explanation:

6 0
4 years ago
Read 2 more answers
Solve the inequality<br> 3 + 9x &gt;4(x+7)<br> pls help
alexandr402 [8]

Answer:

x<5

Step-by-step explanation:

the greater sign will firstly be changed to = for better solving so we obtain

3+9x=4(x+7)by opening bracket

3+9x=4x+28

9x-4x=28-3

5x=25

divide all through by 5x

we obtain

x=5

the greater sign change here

which is x<5

8 0
3 years ago
Please help me out! express the inequality using interval notation
svetoff [14.1K]

Answer:

(7, ∞)

Step-by-step explanation:

Because x does not equal 7 as well, brackets won't be used here.

Because x can be any number greater than 7, this means the domain includes positive ∞.

6 0
3 years ago
Please help I’ll give brainalist + 10 points to whoever helps and get this 100% right
kaheart [24]

Answer:

its C

Step-by-step explanation:

because 180⁰-40⁰=140⁰

4 0
3 years ago
Read 2 more answers
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