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Brilliant_brown [7]
3 years ago
6

Okay.

Mathematics
1 answer:
murzikaleks [220]3 years ago
8 0
You would need 105 of sodium I found how much increase there was from 30 to 75 by doing 75/30 which is 2.5 that means the new amount of sodium would be 2.5 times 42 which is 105. You could also set up ratios and cross multiply like the picture I sent

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(7•8) + 1/2 (3•3)<br> 1/2(7•8)+1/2(3•3)<br> (7•8)+(3•3)<br> 1/2(7•8)+(3•3)
AfilCa [17]

Answer:4.5 for triangle + 56= 60.5 squuare units

Step-by-step explanation:

8 0
2 years ago
CAN SOMEONE PLEASE WRITE A EQUATION OF THIS LINE!!
serious [3.7K]

Answer (<u>assuming it can be in slope-intercept form)</u>:

y = -x - 1

Step-by-step explanation:

When knowing the slope of a line and its y-intercept, you can write an equation to represent it in slope-intercept form, or y = mx + b format. Substitute the m and b for real values.

1) First, find the slope of the equation, or m. Pick any two points from the line and substitute their x and y values into the slope formula, m = \frac{y_2-y_1}{x_2-x_1}. I chose the points (0, -1) and (-1, 0):

m = \frac{(0)-(-1)}{(-1)-(0)} \\m = \frac{0+1}{-1-0} \\m = \frac{1}{-1} \\m = -1

Thus, the slope is -1.

2) Now, find the y-intercept, or b. The y-intercept of a line is the point at which the line crosses the y-axis. By reading the graph, we can see that the line intersects the y-axis at the point (0,-1), therefore that must be the y-intercept.  

3) Now, substitute the found values into the y = mx + b formula. Substitute -1 for m and -1 for b:

y = -x  -1

5 0
3 years ago
Read 2 more answers
What is the answer to 2+4(7)-2
Katena32 [7]

Answer:

this is the answer: 28

hope i helped :)

Step-by-step explanation:

5 0
3 years ago
The birth months of students in Miss Dismio's geography class are shown.
Setler79 [48]
This is very simple, you can use tally marks to find the amount of birthdays. Then divide it by 100. Good luck !
8 0
2 years ago
18✖️42=(10✖️40)+(10✖️2)+(8✖️2) <br> True or false
tatyana61 [14]

Answer:

<h2>True</h2>

Hope i helped you thanks

3 0
2 years ago
Read 2 more answers
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