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aivan3 [116]
2 years ago
9

Statement True False HELP ME please guys:l​

Mathematics
1 answer:
lawyer [7]2 years ago
4 0

Answer:

Step-by-step explanation:

False

False

False

True

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Friday’s high temperature was −1°C. The low temperature was −5°C. What was the difference between the high and low temperatures?
Digiron [165]

Answer:

-4C

Step-by-step explanation:

-1 (-4) = -5

4 0
3 years ago
A tennis ball travels at speed of 120 miles per hour.convert this rate to feet per second
Vanyuwa [196]
120\frac{mile}{hour}\\\\
1 \ mile=5280\ feet\\
1\ hour=3600\ seconds\\\\
120\frac{mile}{hour}=120*\frac{5280}{3600}=\frac{120*5280}{3600}=\frac{633600}{3600}=176\frac{feet}{second}\\\\
\boxed{120\frac{mile}{hour}=176\frac{feet}{second}}
4 0
3 years ago
A cylinder holds 27.72 litres of water,when full.Find the hieght of the cylinder if the diameter is 42cm​
krek1111 [17]

Answer:

27.72litres=27.72×1000 cm^3

(¡)Height of cylinder=27720×7/(22×21^2)=20cm

Step-by-step explanation:

(¡)First convert litres in to cm^3 take it as the volume of the cylindrical container

(¡¡)Then use V=22/7×r^2×h equation and substitute the values to V and r. Then find the value of h

#V=27.72×1000 (V= volume)

# r = 42/2=21 (r = radius)

8 0
2 years ago
from 1970 to 1980 the consumer price index increased from 38.8 to 82.4. If a container of onion dip cost $0.48 in 1970 and the p
Vikki [24]
We need to find the percent increase from 38.8 to 82.4, so

x * 38.8 = 82.4
x = 82.4/38.8
x = 2.1237

Multiply by 100 to convert to percentage (move decimal 2 places to the right)

2.1237 = 212.37%

Now we can apply this percentage increase to the onion dip...

0.48 x 212.37% =
0.48 x 2.1237 = 1.019 
 
Round to the nearest cent $1.02 is the amount of increase.  Now add it to the original price to get today's price...

$1.02 + .48 = $1.50
 
5 0
3 years ago
Read 2 more answers
The questions below walk through the use of kNN to predict the value of Y for a new point with (X1, X2)=(4, 4). Distance is calc
Nady [450]

Answer:

The Euclidean distance between the two given points is \sqrt{2}\text{ units}.

Step-by-step explanation:

K-NN is used to predict the variable y for a new point with (X_1,X_2) = (4,4)

Distance is calculated in the Euclidean sense.

The Euclidean distance between two points is given by the formula:

\text{Points: }(X_1, X_2), (x_1,x_2)\\\\D = \sqrt{{(x_2-X_2)}^2 + (x_1-X_1)^2}

The point is (x_1,x_2) = (3,5)

The Euclidean distance between the two points is given by:

D = \sqrt{(5-4)^2 + (3-4)^2} = \sqrt{2}\text{ units}

Thus, the Euclidean distance between the two given points is \sqrt{2}\text{ units}.

5 0
3 years ago
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