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Dvinal [7]
3 years ago
9

Edward had a lump of play doh that was 2 1/2 inches long. If he stretched it out to 3 times its current length how long would it

be
Mathematics
2 answers:
GarryVolchara [31]3 years ago
6 0
It would be 7.5 inches
Arturiano [62]3 years ago
4 0

Answer:

the answer would be 7.5 inches long or 7 1/2 inches long

Step-by-step explanation:

2.5 multiplied by 3

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Is 20 an independent or dependent variable
kirill115 [55]
Independent. A dependent variable would be a letter or symbol that needs a letter or key to be solved.
5 0
3 years ago
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May somebody help me.
kumpel [21]

Answer:

d

Step-by-step explanation:

it keeps going up by 2 and 2x2 is 4 4x2 is 8 so on?

4 0
3 years ago
What is the results of adding these two equations?<br> 6x+2y=-2<br> 3x-2y=-5
Bess [88]

Answer:

x=-7/9, y=4/3. (-7/9, 4/3).

Step-by-step explanation:

6x+2y=-2

3x-2y=-5

-----------------

9x=-7

x=-7/9

6(-7/9)+2y=-2

-42/9+2y=-2

2y=-2-(-42/9)

2y=-2+42/9

2y=-18/9+42/9

2y=24/9

y=(24/9)/2

y=(24/9)(1/2)

y=24/18

y=4/3

5 0
3 years ago
Find the derivative of y = sin2 (4x) cos (3x) with respect to x.
Ludmilka [50]
Expanded:
y = sin(4x)*sin(4x)*cos(3x)
need to use the product rule and chain rule

look at individual derivatives, use chain rule
d/dx sin(4x) = 4cos(4x)
d/dx cos(3x) = -3sin(3x)

put it together using product rule
dy/dx = 4cos(4x)*sin(4x)*cos(3x) + 4cos(4x)*sin(4x)*cos(3x) - 3sin(3x)*sin(4x)*sin(4x)

simplify

dy/dx = 8cos(4x)*sin(4x)*cos(3x) - 3sin(3x)*sin2(4x)

answer is A.
4 0
3 years ago
What is the abscissa of the midpoint of the line segment whose endpoints are (5√2,2√3) and (√2,2√3)
xxMikexx [17]
Let
A------> <span>(5√2,2√3)
B------> </span><span>(√2,2√3)

we know that
</span>the abscissa<span> and the ordinate are respectively the first and second coordinate of a point in a coordinate system</span>
the abscissa is the coordinate x<span>

step 1
find the midpoint
ABx------> midpoint AB in the coordinate x
</span>ABy------> midpoint AB in the coordinate y
<span>
ABx=[5</span>√2+√2]/2------> 6√2/2-----> 3√2
ABy=[2√3+2√3]/2------> 4√3/2-----> 2√3

the midpoint AB is (3√2,2√3)

the answer is
the abscissa of the midpoint of the line segment  is 3√2

see the attached figure

3 0
3 years ago
Read 2 more answers
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