3 years ago

2.5d + 8.25 = 3 + 3.25d what is d equal to

Mathematics

1 answer:

coldgirl [10]3 years ago

5 0

D = 11
Hope That Helped =D <span />

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Solve the following:<br> 6(2x+3)-3(x-2)=6

REY [17]

The value of x is -2

Step-by-step explanation:

Given that

6 (2x + 3) - 3(x - 2) = 6

Expand the bracket

6 (2x + 3) - 3(x - 2) = 6

12x + 18 - 3x + 6 = 6

Collect like terms

12x - 3x = 6 - 6 - 18

9x = -18

Divide through by 9

9x / 9 = -18 / 9

x = -2

Therefore, the value of x is -2

Learn more about inequality here : brainly.com/question/20252161

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2 years ago

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anyanavicka [17]

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3 years ago

Find the value of y in the solution to the system of equations shown.<br> y= 12x+7<br> y=-6x+25

padilas [110]

Answer: The required value of y is 19.

Step-by-step explanation: We are given to find the value of y in the solution to the following system of equations :

$y=12x+7~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)\\\\y=-6x+25~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(ii)$

Comparing equations (i) and (ii), we get

$12x+7=-6x+25\\\\\Rightarrow 12x+6x=25-7\\\\\Rightarrow 18x=18\\\\\Rightarrow x=\dfrac{18}{18}\\\\\Rightarrow x=1.$

From equation (i), we get

$y=12\times1+7=12+7=19.$

Thus, the required value of y is 19.

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Molodets [167]

I hope this helps you

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3 years ago

−6.2<−4.5, yet |−6.2|>|−4.5|. Use a number line to show why.

romanna [79]

Answer:

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Step-by-step explanation:

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3 years ago