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postnew [5]
3 years ago
5

20 grams of KCl to moles of

Mathematics
1 answer:
Irina-Kira [14]3 years ago
4 0
0.013413582325191 got it from google
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what do you notice about the corresponding coordinates of the preimage and image after a reflection across the x-axis
valkas [14]
The x remains the same while the y changes sign. So if it’s (1,4) the reflection will be (1,-4). Hope fully that helps.
8 0
3 years ago
The points(1,r) and (5,-4) lie on a line with slope 5. find the missing coordinate r. ​
Arte-miy333 [17]

The value of r is -24

Step-by-step explanation:

Given points are:

(1,r) and (5,-4)

Let the points be:

(x1,y1) = (1,r)

(x2,y2) = (5,-4)

m = 5

The slope is given by:

m = \frac{y_2-y_1}{x_2-x_1}\\5 = \frac{-4-r}{5-1}\\5 = \frac{-4-r}{4}\\5 * 4 = -4-r\\20 = -4-r\\20+4 = -4-r+4\\24 = -r\\r = -24

Hence,

The value of r is -24

Keywords: Slope, coordinates

Learn more about slope at:

  • brainly.com/question/1106840
  • brainly.com/question/10830549

#LearnwithBrainly

5 0
3 years ago
Sam rides his bike at a rate of 15 miles per hour. How many feet per minute is this?
Triss [41]
Si tu prend un chien de 12k je crois que ta réponse va donner 15000
7 0
3 years ago
What is 1 × 10 − 3 written in standard form? math
ehidna [41]

Answer:

7

Step-by-step explanation:

When working with order of operations, use the acronym 'PEMDAS' (Parentheses, Exponents, Multiplication/Division, Addition/Subtraction.)

The equation should basically be done in that order.

There are no parenthesis,

no exponents,

But there IS multiplication.

1 x 10 = 10.

So now, what is left over is 10 - 3.

There addition, but there IS subtraction.

10 - 3 = 7.

7 is what is left over.

Therefore, 1 x 10 - 3 in standard form is 7.

8 0
2 years ago
Which relation does not represent a function? Question 2 options: A)  { (3, 0)  (0, 3) } B)  { (6, -2)  (5, -2) } C)  { (3, 4) 
Katyanochek1 [597]
C because the x's repeat with the 3 and 3. If the x's repeat it is not a function.

Hope that helps.
5 0
3 years ago
Read 2 more answers
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