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3 years ago

8.4 = 3 x m what is the value of m

Mathematics

1 answer:

nataly862011 [7]3 years ago

5 0

M= 2.8

Alternate form:

14/5 or 2 4/5

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Work out the height of this triangle

Sedbober [7]

Answer:

Step-by-step explanation:

area of triangle =B*H/2

107.16=4.7*H/2

107.16*2=4.7*H

214.32/4.7=H

46.6=H

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3 years ago

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B.<br> X = 4y + 3<br> 2x - 4y = -10

maxonik [38]

Answer:

$x = - 13 \: \: and \: \: y = - 4$

Step-by-step explanation:

$x = 4y + 3......(1) \\ 2x - 4y = - 10.....(2) \\ \\ \\ x - 4y = 3......(1) \\ 2x - 4y = - 10...(2) \\ - x = 13 \\ x = - 13 \\ from(1) \\ x - 4y = 3 \\ - 13 - 4y = 3 \\ - 4y = 16 \\ y = - 4 \\$

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3 years ago

I need help finding the bottom layer of the cake

Alenkasestr [34]

In a trpezium, the median line is always parallel to the bases. The expression for the length of the median of trapezium is :

$\text{length of mediam=}\frac{Sum\text{ of parallel sides}}{2}$

In the trapezium: NM = ML=LK=PQ=QR=RS

we have : NP = 8, LR =20

Conisder the case of trapezium NPLR, where MQ is the median

From the expression of the length of median:

$\begin{gathered} MQ=\frac{NP+LR}{2} \\ MQ=\frac{8+20}{2} \\ MQ=\frac{28}{2} \\ MQ=14 \end{gathered}$

Now, consider the case of trapezium MQSK, where LR is act as median, MQ= 14, LR =20

From the expression of the length of median

$\begin{gathered} \text{length of median=}\frac{Sum\text{ of parallel sides}}{2} \\ LR=\frac{MQ+KS}{2} \\ 20=\frac{14+KS}{2} \\ 14+KS=40 \\ KS=40-14 \\ KS=26\text{ inches} \end{gathered}$

So, the diameter of the bottom KS is 26 inches

Answer : the diameter of the bottom KS is 26 inches

6 0

1 year ago

2y+2=4x-6 in slope intercept form

Vesnalui [34]

Answer:

Slope intercept form is y = 2x-4

Step-by-step explanation:

Given equation: 2y + 2 = 4x - 6

The general form of slope intercept form is y = mx+c

2y + 2 = 4x - 6

2y = 4x - 6 -2

2y = 4x -8

dividing throughout by 2

y = 2x -4

Hence the slope intercept form is y = 2x -4

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4 years ago

PLS HELP ME ITS DUE IN 4 MINS!<br><br> Subtract 2y²+7y+2 from 6y²+9y−8.

Dmitry_Shevchenko [17]

Answer:

-4y^2 - 2y + 10

Step-by-step explanation:

8 0

3 years ago

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