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pashok25 [27]
3 years ago
9

What is the tens digit in the product 3 times 9?

Mathematics
1 answer:
qwelly [4]3 years ago
6 0
3*9= 27
so, the tens digit is 20
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Find the slope of the vertical line that passes through (2,-4)
makkiz [27]

Answer:

x=2

Step-by-step explanation:

Vertical lines have the same x value all the time.  It is of the form x=

Their slope is undefined

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x=2

7 0
3 years ago
Just number 2 please i’ve tried many times... i need an equation and the answer :)
Triss [41]

Keller collected $62.48 and Izzy collected $47.83 and J collected $19.98

Step-by-step explanation:

Step 1; Assume that J collected $x, Keller collected $y and Izzy collected $z. All three combined collected $125.95, so

x + y + z = 125.95, take this as equation 1.

From the given data, the following equations can be formed.

y = 42.50 + x or x = y - 42.50 take this as equation 2 and

y = 15 + z, take this as equation 3.

Step 2; Now we must determine x and y in terms of z, so that equation 1 can be solved (the equations can be in terms of any term x, y or z.)

Rearranging equation 2 and 3,

we get 15 + z so  x = y - 42.50, y = x = 15 + z - 42.50, take this as equation 4,

If we substitute equations 4, 2 in 1, we get

(15 + z - 42.50) + (15 + z) + z = 125.95,

3z - 12.5 = 129.95,

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Substitute z = 47.833 in equation 3.

y = 15 + 47.8333 = 62.4833.

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x = 62.4833 - 42.50 = 19.9833.

Rounding of the values of x,y, and z to nearest hundredth we get

x = $19.98, y = $62.48 and z = $47.48.

7 0
3 years ago
Mr. gomez bought 2 pairs of jeans each costing 45.50, and 1 pair of shoes. he spent a total amount of 132.25,. how much did the
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4 0
3 years ago
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Does anyone one know how to make a factor a decimal on the calculator
Sedbober [7]

Answer: Yes, you have to hit the factor to decimal button F<>D

Step-by-step explanation:

3 0
3 years ago
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An investor invested a total of $2500 in two mutual funds. One fund earned a 5% profit while the other earned a 3% profit. If th
7nadin3 [17]

Answer:

$500 and $2000

Step-by-step explanation:

Let x represent the total investment = $2500

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a + b = x

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Solve simultaneously using substitution method

From eq 1;

b = 2500 - a

Slot in this value in eq 2

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expand

0.03a + 125 - 0.05a = 115

collect like terms

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-0.02a = -10

Divide both sides by -0.02

a =  $500

Put this value of a in eq 1

500 + b =  2500

Subtract 500 from both sides

b = 2500 - 500

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3 0
3 years ago
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