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dmitriy555 [2]
3 years ago
5

At a certain factory, 10 percent of the staplers produced on monday were defective and 2 percent of the nondefective staplers we

re rejected by mistake. if 90 of the nondefective staplers were rejected, what was the number of staplers produced that day?
Mathematics
1 answer:
zhuklara [117]3 years ago
6 0

Because 12% of the staplers were defective or considered defective, we simply find 12% of a number that is equvalent to 90:

0.12x = 90

x = 750

750 staplers were produced

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Help me in Geometry!!!<br> I don’t know nothing about this help.<br> PHOTO ABOVE
SOVA2 [1]

Answer:

m<1 = 39

m<2 = 51

Step-by-step explanation:

For this problem, you need to understand that a little square in the bottom of two connecting lines represents a right-angle (an angle this 90 degrees).  This problem, gives you two relationships for angle 1 and angle 2 within a right-angle.  Using this information, we can solve for the measures of the two angles.

Let's write the two relations:

m< 1 = 3x

m< 2 = x + 38

And now let's right an equation that represents the two angles to the picture:

m<1 + m<2 = 90

Using this information, let's substitute the expressions we have for the two angles and solve for x.  Once we have the value of x, we can find the measure of the two angles.

m< 1 + m< 2 = 90

(3x) + (x + 38) = 90

3x + x + 38 = 90

x ( 3 + 1 ) + 38 = 90

x ( 4 ) + 38 = 90

4x + 38 = 90

4x + 38 - 38 = 90 - 38

4x = 90 - 38

4x = 52

4x * (1/4) = 52 * (1/4)

x = 52 * (1/4)

x = 13

Now that we have the value of x, we simply plug it back into our expressions for the m<1 and m<2.

m<1 = 3x = 3(13) = 39

m<2 = x + 38 = 13 + 38 = 51

And we can verify this is correct with the relational equation:

m<1 + m<2 = 90

39 + 51 ?= 90

90 == 90

Hence, we have found the values of m<1 and m<2.

Cheers.

6 0
3 years ago
Cruz's Frame shop makes. a mat by cutting out the inside of a rectangular mat board. Find the length and width of the original m
My name is Ann [436]

Answer:

length = 23 inches ; width = 18 inches.

Step-by-step explanation:

Length and width can be found from the following expression after solving for x. The expression is given by :

outside area - inside area = 148 square inches

(2·x - 1)·(x + 6) - (2·x - 5)·(x + 2) = 148  (On substitute length and width expressions. Each area is the product of length and width.)

⇒ 2·x² + 11·x - 6 - (2·x² - x - 10) = 148

⇒ 12·x + 4 = 148 .................(On simplifying the expression)

⇒ 12·x = 144

⇒ x = 12

Then the original length of the mat is given by substituting value of x in outside length expression :

2·x - 1 = 2·12 - 1 = 23 inches

and the original width of the mat is given by :

x + 6 = 12 + 6 = 18 inches

Hence, the overall dimensions of the original mat are 23 inches by 18 inches.

5 0
3 years ago
On Monday Charlie earned $16 for 2 hours of babysitting. Getting paid the same rate he earned $40 for babysitting on Saturday Ho
Vlada [557]
5 hours. 16 divided by 2 equals 8 40 divided b 8 equals 5
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3 years ago
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How many inches in 6 1/2 feet
Kruka [31]
78 inches is the answer :-)
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What is the slope of the line in the graph?
Liono4ka [1.6K]

Answer:

1

Step-by-step explanation:

move up one and over one, 1/1 = 1

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