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olga_2 [115]
4 years ago
7

What is ratio of 28 red pens and 84 black pens

Mathematics
2 answers:
Setler [38]4 years ago
8 0
Ratio

28:84

If you want it simplified
it would be
1:3<span />
xenn [34]4 years ago
8 0
1 red pen for every 3 black pens
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Reperesent 1.235 as P/q. ​
8090 [49]

Answer:

\frac{247}{200}

Step-by-step explanation:

1.235

= 1 + 0.235 ( the place value of the 5 is thousandths ) , then

= \frac{1000}{1000} + \frac{235}{1000}

= \frac{1235}{1000} ( divide numerator/denominator by 5 )

= \frac{247}{200} ← in simplest form

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2 years ago
The mass of an object is measured to be 5.55g. The actual weight of the object is 6.00g. What is the percent error?
Bas_tet [7]

Answer:

. The actual mass of the object was 9.98 X 10-3 g.

Step-by-step explanation:

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3 0
3 years ago
-9x+3y=-6,-9x+2y=-10
ikadub [295]
Subject : Linear Equations

→ Use Elimination:
-9x + 3y = -6
-9x + 2y = -10
__________ ---
0 + y = 4
y = 4

→ Use substitution:
-9x + 3y = -6
-9x + 3(4) = -6
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-9x = -6 - 12
-9x = -18
x = -18/-9
x = 2

So the value of x = 2 and y = 4

I hope this helps...
8 0
3 years ago
Rosemary buys 3 pounds of ground turkey for $9.50. How much would she spend for 5 pounds?​
MrMuchimi

Answer:

15.83 dollars

Step-by-step explanation:

9.50/3 is 3.16

3.16*5 is 15.83 dollars

8 0
4 years ago
Read 2 more answers
In a 30-60-90 triangle, the length of the long leg is 8. Find the length of the hypotenuse.
fiasKO [112]

Answer:

Step-by-step explanation:

In a 30-60-90 triangle, the ratio of the lengths of the angles' opposite sides are <em>1-√3-2</em>.

If the long leg is 8, then the short one is 8/√3, or <em>8√3/3</em>.

Therefore, the hypotenuse, which is <em>double the short leg</em>, is 16√3/3.

5 0
4 years ago
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