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Brilliant_brown [7]
4 years ago
11

Which fraction is equivalent to 15/30 5/6 3/4 2/4 3/5

Mathematics
1 answer:
ira [324]4 years ago
8 0

15/30=2/4

you divide 15 by 7.5=2, and 30 by 7.2 which equals 4

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Which translation describes the transformation? finding point j and a
katrin [286]

A translation is a transformation where all points of the figure are moved the same distance in the same direction. The distance and direction are indicated by a ray sometimes called the translation vector. A vector is a quantity that has both length and direction, and can be thought of as a line segment with a starting point and an endpoint. A translation is an isometry, so the image of a translated figure is congruent to the preimage.

Often, the rule for the translation will be given as (x, y) → (x + a, y + b). This is a shift a units in the x-direction (horizontally) and b units in the y-direction (vertically). For instance, in the coordinate plane below the translation (x, y) → (x + 4, y – 2) shifts each point 4 units to the right and 2 units down.
I hope this help
6 0
3 years ago
Find the volume of the tetrahedron having the given vertices. (3, −1, 1), (5, −2, 4), (1, 1, 1), (0, 0, 1)
Dafna11 [192]
Given four vertices of a tetrahedron, we need to find its volume.
A(3,-1,1), B(5,-2,4), C(1,1,1), D(0,0,1)

The simplest method is to use vectors.

Here, we calculate the volume of a parallelepiped defined by vectors AB, AC, AD.  The volume of a tetrahedron is one-sixth of the volume of the parallelepiped, V, given by AB.(ACxAD).
Here are the steps:
1. Choose a vertex, say A.  Calculate vectors AB, AC and AD
AB=(5-2,4)-(3,-1,1) = <2, -1, 3>
AC=(1,1,1)-(3,-1,1) = <-2, 2, 0>
AD=(0,0,1)-(3,-1,1) = <-3, 1, 0>
2. Calculate vector cross product ACxAD = <-2,2,0>x<-3,1,0>
  i   j   k
-2 -2  0
-3, 1, 0
=<0-0, 0-0, -2-(-6)>
= <0, 0, 4>
3. Calculate volume of parallelepiped, equal to the dot product AB.(ACxAD), ignore sign, which is arbitrary.
V = |<2, -1, 3>.<0,0,4>| = |12| = 12
4. Calculate volume of tetrahedron, which is one-sixth of volume of parallelepiped
V(tetrahedron) = V/6= 12/6 = 2



8 0
3 years ago
99 POINTS IF U ANSWER BOTH RIGHT
Kryger [21]

Let me just.. take those.. thanks

3 0
3 years ago
Find the zeros of the function <br> F(x)=x^2-5x+5
oee [108]
You would have to replace f(x) with zero and use quadratic formula 

f(x)=x^2-5x+5 
0=x^2-5x+5 

=(-b+-√b^2-4ac)/2a 
=(5+-√25-4(1)(5))/2
=(5+-√5)/2 

x=(5+√5)/2 or x=(5-√5)/2 

Both x values are completely applicable in the equation. 

Hope I helped :) 
6 0
4 years ago
Use the graph below to answer<br>How many dozens of cupcakes will be made after 3 hours?​
aleksley [76]

Answer: 12 dozens of cupcakes will be made after three hours.

Step-by-step explanation: If you got to the three under hours and move up until the arrow intersects you will get 12 dozens

5 0
3 years ago
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