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Alika [10]
3 years ago
15

2. (a) A random sample of 10 houses in a particular area, each of which is heated with

Mathematics
1 answer:
WARRIOR [948]3 years ago
6 0

Answer:

The resulting observations are 143, 122, 118, 99, 109, 86, 125, 142, 103, 138. Let ? denote the average gas usage during January by all houses in this area.

Step-by-step explanation:

hope i helped

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What is (5-sqrt of 2)(3-sqrt of 2)
AVprozaik [17]
Then the answer is 17 minus 8 times the square root of 2, or 5.68629
5 0
3 years ago
Bradley estimated the height of a tree at 2.5 meters. Carla estimated that tree's height at 8 feet.
vredina [299]

Answer: 4.1 feet : 4 feet

Step-by-step explanation:

From the question, we are informed that Bradley estimated the height of a tree at 2.5 meters. Carla estimated that tree's height at 8 feet.

The conversion ratio be used to compare Bradley's and Carla's estimates of the tree's height when measured in feet goes thus:

Since 1 feet = 0.305 meters

2.5 meters will be = 2.5/0.305 = 8.2 feet

Therefore the conversion ratio will be:.

= 8.2 : 8

Reducing to lowest term will be

= 4.1 feet : 4 feet.

= 4.1 : 4

4 0
3 years ago
I NEED HELP PLSSS<br><br> Find the value of x.
tankabanditka [31]

Answer:

1) x= 43

2) x= 54

Step-by-step explanation:

you add the two angles given, then take that answer and subtract it from 180!

i hope this helped!!

7 0
2 years ago
Read 2 more answers
It's going to be Lindsay's birthday soon, and her friends Sandy, Jay, and Hakeem have contributed equal amounts of money to buy
avanturin [10]
Each individual contributed $x
3x=$19.50
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5 0
3 years ago
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What is the area of a rectangle that is 3.1 cm wide and 4.4 cm long? Enter the full-precision answer first to see the correspond
Brrunno [24]

Answer:  Without rounding : 13.64 (square cm)

Rounded answer : 13.6(square cm)

Step-by-step explanation:

We know that the area of a rectangle is given by :-

A=l\times w, where l is the length and w is the width of the rectangle.

Given : The dimensions of a rectangle are 3.1 cm wide and 4.4 cm long.

Then, the area of rectangle will be:-

A=4.4\times 3.1=\dfrac{44}{10}\times\dfrac{31}{10}\\\\=\dfrac{1364}{100}=13.64\text{ cm}^2\approx13.6\ cm^2  \text{Rounded to the nearest tenth}

Therefore, the area of rectangle =13.6\text{ cm}^2

3 0
3 years ago
Read 2 more answers
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