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Burka [1]
3 years ago
11

Plzzz help meee I am timed

Mathematics
2 answers:
Arisa [49]3 years ago
8 0

Answer:

The relationsjip between the quantity is "x 30"

Step-by-step explanation:

multiply all the x values with 30, you will get the y values

DiKsa [7]3 years ago
6 0

Answer: D - the relationship btwn the quantities is x30

Step-by-step explanation: 1x30= 30, 2x30= 60, 3x30= 90, 4x30= 120

<em>hope this helps pls mark brainliest</em>

<em />

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QUESTION 4 If 1 foot = 0.37 metres and 1 mile = 5,180 feet, find the number of kilometres in 15 miles. show how to work out the
Andreas93 [3]

Answer:

28.749 km

Step-by-step explanation:

in reality

1 foot = 0.3048 meters not 0.37

1 mile = 5,280 feet not 5,180

15 miles  = 24.14016 kilometers

---------------------------

Using the numbers stated in the problem

0.37m/ft * 5180ft/mile * 15mile * 1km/1000m = 28.749 km

4 0
2 years ago
Determinants and matrix <br><img src="https://tex.z-dn.net/?f=%20%7C%20%5Cfrac%7B7%7D%7B4%7D%20%5C%20%5Cfrac%7B9%7D%7B3%7D%20%20
zavuch27 [327]
<h2>>> Answer </h2>

_________

\ \:

  • \sf{| \frac{7}{4} \frac{9}{3}  |  = a}

\sf \:  |a|  = ad - bc

\sf\:  |a|   = (7 \times 3) - (9 \times 4)

\sf \:  |a|  = 21 - 36

\sf \:  |a|  =  \bold{ \blue{ - 15}}

3 0
2 years ago
Read 2 more answers
Please help me I have 10 minutes!!
Diano4ka-milaya [45]

Answer:

it's d

Step-by-step explanation:

≤ may refer to:

Inequality (mathematics), relation between values; a ≤ b means "a is less than or equal to b"

so the answer D is right because the face always ponit to the bigger number if x is -14 then this stament would be true

7 0
2 years ago
The burning time of a very large candle is normally distributed with mean of 2500 hours and standard deviation of 20 hours. Find
dezoksy [38]

Answer: C.-1.5

Step-by-step explanation:

Given: The burning time of a very large candle is normally distributed with mean(\mu) of 2500 hours and standard deviation(\sigma) of 20 hours.

Let X be a random variable that represent the burning time of a very large candle.

Formula: Z=\dfrac{X-\mu}{\sigma}

For X = 2470

Z=\dfrac{2470-2500}{20}\\\\\Rightarrow\ Z=\dfrac{-30}{20}\\\\\Rightarrow\ Z=\dfrac{-3}{2}\\\\\Rightarrow\ Z=-1.5

So, the z-score they corresponds to a lifespan of 2470 hours. =-1.5

Hence, the correct option is C.-1.5.

7 0
2 years ago
3 1/4 × 4<br><br>I really need help for my extra credit homework
FromTheMoon [43]
13 because 1/4 times 4 is 4/4 with makes is a 1
And 3 times 4 is 12
1+12=13.
6 0
3 years ago
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