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densk [106]
3 years ago
8

Write the missing powers of 10. _____x0.005 = 5

Mathematics
1 answer:
pentagon [3]3 years ago
4 0

Answer:

its 0.45

Step-by-step explanation:

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Find a unit vector that is orthogonal to both i + j and i + k.
kenny6666 [7]

Answer: i - j - k

Step-by-step explanation:

Taking the cross product between two vectors will give you a third vector that is orthogonal(perpendicular) to both vectors.

<1,1,0> x <1,0,1>

det(\left[\begin{array}{ccc}i&j&k\\1&1&0\\1&0&1\end{array}\right] )

the determinate of the matrix: <1,-(1),-1>

or: i - j - k

3 0
3 years ago
charity is four times as old as her daughter. she is also six years younger than her husband. The sum of their ages ten years to
Pachacha [2.7K]

Answer:

36years

Step-by-step explanation:

Let charity present age be x

Charity daughter present age be y

Charity husband present age be z

If the sum of their ages ten years to come is 117, then;

10+x+10+y+10+z = 117

30+x+y+z = 117

x+y+z = 87 ... 1

If charity is four times as old as her daughter, then;

x = 4y

y = x/4 ... 2

If she is also six years younger than her husband, then;

x = z- 6

z = x+6 .. 3

Substitute 2 and 3 into 1;

x + x/4 + (x+6) = 87

Multiply through by 4

4x + x + 4(x+6) = 4(87)

5x+4x+24 = 348

9x = 348 - 24

9x = 324

x = 324/9

x = 36

hence Charity is 36years old today

5 0
2 years ago
Solve 15 &lt; 4x on a number line
prisoha [69]

Answer:

that shall answer 15 < 4x on a number line

Step-by-step explanation:

view image for more clarity

7 0
3 years ago
Ayuda!!!!por favorrrrrrrrrrrrrrr
JulsSmile [24]

Answer:

z=24 y=5 x=12

Step-by-step explanation:

x+8=20  x=20-8 x=12

z+1=25 z=25-1 z=24

y+10=15 y=15-10 y=5

4 0
2 years ago
If a 10-foot piece of electrical tape has five pieces that are each 1.25 feet cut from it, what is the new length of the tape?
BartSMP [9]
5 pieces X 1.25 = 6.25

10-6.25 = 3.75 is the new length
3 0
3 years ago
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