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slamgirl [31]
2 years ago
13

one strand of lights for a Christmas tree 250 light bulbs. If 20% of the light bulbs are green how many light bulbs on the stran

d of light are green?
Mathematics
1 answer:
Nadusha1986 [10]2 years ago
6 0

Answer:

20% of 250 is 50

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Use the commutative property of Multiplication to write a related number sentence. 4 times 9=36
aev [14]
 a possible answer would be 36/9=4
7 0
3 years ago
PLEASE HELP! - The scatterplot below shows the number of weeks that students have been in keyboarding class and the number of mi
Setler [38]

Solution: Which statement about the scatter plot is true?

The correct answer is option A. As the number of weeks in class increases, the number of keyboarding mistakes decreases.

Explanation: From the scatter plot, we clearly see there exists a negative linear  relationship between the number of weeks in class and the number of mistakes. And we know that if there exists a negative linear relationship between the two variables, then the values of two variables move in opposite direction. If the values of one variable goes up, the values of other variable go down. From the given scatter plot, we clearly see the number of mistakes goes down as the number of weeks in class increases. Therefore, the option A is correct


4 0
3 years ago
Read 2 more answers
During the past year, Piazza's Clothiers sold a certain sweater at different prices: $42.95, $36.50, $40.75, $38.25, and $43.25.
SCORPION-xisa [38]
Range:$43.25-$36.50=$6.75 Mean:$42.95+$36.50+$40.75+$38.25+$43.25=$201.7 Median:$40.75 Mode:none The range is $6.75. The mean is $201.70. The median is $40.75. There is no mode.
3 0
3 years ago
Is this answer correct?
hodyreva [135]

Answer:

No

Step-by-step explanation:

How to solve :

(a-4)/(a^2+8a+12)*(a^2-2a-48)/(a^2+4a-32)

Factor:

a^2+8a+12 = (a+6)(a+2)

a^2-2a-48 = (a-8)(a+6)

a^2+4a-32 = (a+8)(a-4)

simplify a+6, and a-4

you are left with (a-8)/(a+2)(a+8) = (a-8)/(a^2+10x+16)

8 0
3 years ago
The area of a right triangle is 210 in². The height of the right triangle is 35 in.
Anna [14]
The area of a triangle is calculated by the expression as follows:

Area = bh / 2

where b is the base and h is the height.

We can calculate the hypotenuse as follows:

210 = b(35) / 2
b = 12

hypotenuse = sqrt(35^2 + 12^2)
hypotenuse = 37 in
7 0
2 years ago
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