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3 years ago

I would really like to have some help and know how to do this

Mathematics

1 answer:

NISA [10]3 years ago

8 0

If K=C+273.15
and in a. C=200° then K=200+273.15

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Find an equation in standard form for the ellipse that satisfies the given conditions. Major axis length 10 on y-axis minor axis

Helen [10]

The answe might be e= 10\16

3 0

3 years ago

Please answer this with explanation. Please I really am struggling. I will mark you brainalist. Please solve it Please

Hatshy [7]

Answer:

13, 11, 4, 16, 6, 22

Step-by-step explanation:

Let the second digit be x and the last digit be y

Given:

Data set: 13, x, 4, 16, 6, y
Mean = 12
y = 2x or x = 2y

The mean of the data is the average. The average can be calculated by determining the sum of the terms and dividing it by the total digits.

$\implies \text{Mean of data:} \ \dfrac{13 + x + 4 + 16 + 6 + y}{6} = 12$

Let us substitute the value of y (2x) in the data.

$\implies \dfrac{13 + x + 4 + 16 + 6 + 2x}{6} = 12$

Now, add all the terms in the data and simplify.

$\implies \dfrac{39 + x +2x}{6} = 12$

$\implies \dfrac{39 + 3x}{6} = 12$

Distribute the denominators and simplify.

$\implies \dfrac{39}{6} + \dfrac{3x}{6} = 12$

$\implies \dfrac{13}{2} + \dfrac{x}{2} = 12$

$\implies 6.5 + \dfrac{x}{2} = 12$

Subtract 6.5 both sides and simplify.

$\implies 6.5 + \dfrac{x}{2} - 6.5 = 12 - 6.5$

$\implies \dfrac{x}{2} = 5.5$

Use cross multiplication and simplify.

$\implies x= 5.5 \times 2$

$\implies x= 11$

To determine the value of "y", simply substitute the value of "x" into the expression that represents the value of "y".

$\implies y = 2x$

$\implies y = 2(11)$

$\implies y = 22$

When the x and y values are substituted in the data, we get;

⇒ 13, 11, 4, 16, 6, 22

Therefore, the data is 13, 11, 4, 16, 6, 22.

8 0

2 years ago

Convert 3/5 into a fractions with a denominator of 20.

Sloan [31]

3 x 4 = 12
5 x 4 = 20

Since 5 times 4 is 20, then you must also multiply 3 by 4 because what you do to one part of the fraction you must do to the other.

8 0

3 years ago

Find an explicit formula for the arithmetic sequence -2,-14,-26,-38,...

slava [35]

Answer:

-12

Step-by-step explanation:

We can just try and find what works! since we can subtract 12 from -2 and get -14, we might try subtracting 12 every time. After we test it out, we see that is is correct!

6 0

3 years ago

A furniture store has a chair originally priced at $76 on sale for $58. What is the percent of decrease rounded to the nearest t

BabaBlast [244]

Answer:

23.7%

Step-by-step explanation:

The percentage change can be computed as ...

((new value)/(original value) -1) × 100%

= (58/76 -1) × 100%

≈ (0.763 -1) × 100% = -23.7%

The decrease is 23.7%.

7 0

3 years ago

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