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user100 [1]
3 years ago
15

Please help! Need fast help!’

Mathematics
1 answer:
Brut [27]3 years ago
5 0

Answer:-5

Step-by-step explanation:

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Find the value of y for a given value of x, if y varies directly with x. If y = 2.52 when x = 8.4, what is y when x = 2.7?  (1 p
Levart [38]

we know that

A relationship between two variables, x, and y, represent a direct variation if it can be expressed in the form (y/x)=k\ or\ y=kx

in this problem we have

y = 2.52\ when\ x = 8.4

so

<u>Find the value of the constant k</u>

(y/x)=k

substitute

k=(2.52/8.4)

k=0.3

the equation is equal to

y=0.3x

<u>Find the value of y when x=2.7</u>

substitute the value of x in the equation

y=0.3*2.7

y=0.81

therefore

<u>the answer is</u>

0.81


5 0
3 years ago
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What is 105x - 125y + 236z if "x = 10, y = 23, and z = 54" (40 points!) GIVE A GOOD EXPLANATION, NOT JUST AN ANSWER, WHO EVER DO
ra1l [238]

Answer:

Hey mate, here is your answer. Hope it helps you.

Step-by-step explanation:

105x-125y+236z

Now you need to multiply the values which are given for respective variables.

=105*10-125*23+236*54

=1050-2875+12744

=10919

4 0
3 years ago
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6.3in<br> 14.7<br> 8.4in<br> how do you get the volume of the triangle?
Novay_Z [31]
The volume should be l(w)(h)= v so 6.3(14.7)(8.4)=29.4 in
4 0
3 years ago
Plz answer this I need a answer by 12:10
m_a_m_a [10]
Can't see the work send a Bette pic or write the question
5 0
3 years ago
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Please help im offering the highest amount of points I can give.
STatiana [176]

Answer:

96 cm^3

Step-by-step explanation:

I hope this helped!

5 0
3 years ago
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