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belka [17]
4 years ago
12

Can someone help me with this please?

Mathematics
1 answer:
timofeeve [1]4 years ago
5 0

A- pure gold

density =mass/ volume

= 772/40 =19.3 which matches that of gold

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So I would like help with this question:
madreJ [45]
To find the answer, find the unit rate by dividing 57 by 19. The answer to that is 3. Multiply 48 by 3. That’s how much it costs. Your final answer is 144 cents. I hope this helps!
3 0
3 years ago
slope-intercept form for the line that passes through (-1,-7) and is perpendicular to the graph of 3x+12y=-6
Mrac [35]

Answer:

Step-by-step explanation:

We first need to find the slope of the given line.  Putting that standard form of a line into slope intercept:

12y = -3x - 6 so

y=-\frac{1}{4}x-\frac{1}{2}

In this form we can easily determine that our slope is -1/4.  That means that the perpendicular slope, the opposite reciprocal, is +4.  We will write first the point slope of the new line using our given point, then solve it for y, putting it into slope-intercept form.  y - (-7) = 4(x - (-1)) and

y + 7 = 4x + 4 so

y = 4x + 4 - 7 so

y = 4x - 3

7 0
3 years ago
Tell me and ill give brainlest
satela [25.4K]

Answer:

(6, 5)

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
An isosceles triangle has an angle of 70°. what are the possible values of the other two angles?​
IRINA_888 [86]

Answer:

55 and 55 or 70 and 40

Step-by-step explanation:

A triangle has 180o and an isosceles triangle has two angles that are the same. As 70 is less than half, we have a couple of possible solutions to this. So one possible solution is 70-55-55. So the other possible solution is 70-70-40.

3 0
3 years ago
Find the number if the sum of 9 and a half equals 35
garri49 [273]
9 + 0.5n = 35
0.5n = 35 - 9
0.5n = 26
n = 26 : 0.5
<u><em>n = 52</em></u>
4 0
4 years ago
Read 2 more answers
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