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hammer [34]
2 years ago
13

Need help don’t understand

Mathematics
1 answer:
Rama09 [41]2 years ago
4 0

Answer:umm that looks hard

Step-by-step explanation:

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It has a diameter of 2 inches what is the radius
ValentinkaMS [17]
Radius is the half of diameter.
That means the radius is 2inch/2=1inch.

Good luck mate!
7 0
2 years ago
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Write the slip-intercept form of the equation of the line described
kompoz [17]

Answer:

1) y=⅚x -2⅓

2) y=8/3x -5

Step-by-step explanation:

<u>Point-slope form:</u>

y=mx+c, where m is the gradient and c is the y-intercept.

Parallel lines have the same gradient.

Gradient of given line= \frac{5}{6}

Thus, m=⅚

Susbt. m=⅚ into the equation,

y= ⅚x +c

Since the line passes through the point (4, 1), (4, 1) must satisfy the equation. Thus, substitute (4, 1) into the equation to find c.

When x=4, y=1,

1= ⅚(4) +c

1 =  \frac{20}{6}  + c \\ c = 1 -  \frac{20}{6}  \\ c = 1 - 3 \frac{1}{3}  \\ c =  - 2 \frac{1}{3}

Thus the equation of the line is y =  \frac{5}{6} x - 2 \frac{1}{3}.

The gradients of perpendicular lines= -1.

Gradient of given line= -⅜

-⅜(gradient of line)= -1

gradient of line

= -1 ÷ (-⅜)

= -1 ×(-8/3)

= \frac{8}{3}

y =  \frac{8}{3} x + c

When x=3, y=3,

3 =  \frac{8}{3} (3) + c \\ 3 = 8 + c \\ c = 3 - 8 \\ c =  - 5

Thus the equation of the line is y =  \frac{8}{3} x - 5.

4 0
3 years ago
Pls help me with this pre-calc question on vectors!!
alexdok [17]
E = (-12,15,-9)
F = (-12, 17 , -22 )
EF = F - E = (-12, 17 , -22 ) - (-12,15,-9) 
     = ( 0 , 2 , -13 )      = 2j - 13 k
The correct answer is option C



6 0
3 years ago
What times 5 equals 70?
Viefleur [7K]
5n  =70 
5 x 14 = 70
 hope this helped :)
3 0
3 years ago
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What is x cubed in standard form
Gelneren [198K]

Answer:

x^3

Step-by-step explanation:

It stays the same.

Hope this helps.

3 0
3 years ago
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