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PilotLPTM [1.2K]
3 years ago
12

Can someone help me with these too please

Mathematics
2 answers:
garri49 [273]3 years ago
8 0
120 n2
Have a nice day
Setler79 [48]3 years ago
5 0

Answer:

120 in³

Step-by-step explanation:

10 x 4 x 3 = 120

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Solve for X and y PLEASE GIVE FULL EXPLANATION HOW YOU GOT IT
Dennis_Churaev [7]

Answer:

(1, -1)

Step-by-step explanation:

we isolate y in the first equation

2x+y=1

-2x.  -2x

y=1-2x

and now we fill y into second equation

4x-2(1-2x)=6

4x-2+4x=6

8x-2=6

   +2 +2

8x=8

/8 /8

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hopes this helps

4 0
1 year ago
What is the equation of the line that is perpendicular to the given line and has an x-intercept of -3?
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Answer:

y=-\frac{3}{2}x-\frac{9}{2}

Step-by-step explanation:

Let the equation of the perpendicular line is,

y = mx + b

where m = slope of the line

b = y-intercept

From the graph, slope of the line passing through (0, -1) and (3, 1),

m' = \frac{y_2-y_1}{x_2-x_1}

m' = \frac{1+1}{3-0}

m' = \frac{2}{3}

To get the slope (m) of this line we will use the property of perpendicular lines,

m × m' = (-1)

m × \frac{2}{3} = -1

m = -\frac{3}{2}

Equation of the perpendicular line will be,

y=-\frac{3}{2}x+b

x-intercept of the line is (-3) therefore, point on the line is (-3, 0)

0 = -\frac{3}{2}(-3)+b

b = -\frac{9}{2}=-4.5

Equation of the line will be,

y=-\frac{3}{2}x-\frac{9}{2}

3 0
3 years ago
A pyramid is 1 3 inch taller than it is wide. Let h=height. Let w=width. Complete the table, and graph h=w+ 1 3.
ivann1987 [24]

Answer:

Step-by-step explanation:

o,9.o,0

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2 years ago
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Don’t click the links. Don’t trust it
7 0
2 years ago
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If x=7 and y=−2, evaluate the following expression:2xy​
antoniya [11.8K]

Answer:

-28

Step-by-step explanation:

2xy=2(7)(-2)=14(-2)=-28

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