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AleksandrR [38]
2 years ago
8

Vita has 8 times more candy than Anna, but Uldis has 10 candies more than Anna.

Mathematics
2 answers:
Gekata [30.6K]2 years ago
5 0
Your mom dad grandma grandpa aunt uncle step dad or step mom or foster parents
VARVARA [1.3K]2 years ago
3 0

Answer: 19

Step-by-step explanation:

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Find two unit vectors orthogonal to a=⟨2,−2,−3⟩a=⟨2,−2,−3⟩ and b=⟨3,2,2⟩b=⟨3,2,2⟩ enter your answer so that the first non-zero c
Ronch [10]
We need the cross product of the two vectors.
a x b
=<2,-2,-3> x <3,2,2>
=
i    j   k
2 -2 -3
3  2  2
=<-4+6, -(4+9), 4+6>
=<2,-13,10>
The second vector is obtained by reversing the direction, namely <-2,13,-10>
Thus the two vectors are <2,-13,10> and <-2,13,-10>.
8 0
3 years ago
Find the volume. Round to the nearest tenth.​
sergey [27]

Answer:

a

Step-by-step explanation:

volume of cuboid = 8* 8 *23

volume of cylinder = pi * 4^2 r* 23

total colume = 2628.11

3 0
3 years ago
What is 20 divided by 12
nydimaria [60]
<span>1.66666666667 is the answer I swear man</span>
8 0
3 years ago
Read 2 more answers
Which expression is equal to
Andreyy89
Please fix the equation in the second part. Is it + or -.
4 0
2 years ago
Read 2 more answers
Miguelle is deciding which type of heating system to put in his house. An oil system costs $2700 to install and
stellarik [79]

Answer: (9, 10800)

Step-by-step explanation:

We will first let x be the number of years and y be the total cost.

In that case, let's plug in the values for each into the equation <em>y=mx+b, </em>where m is the slope and b is the y-intercept.

The y-intercept will be the <u>value we start with before any years pass</u>, so it will be the <u>installation cost</u>. The slope is <u>how fast the total cost will increase</u>. Since the <u>operation costs</u> have to be added on every year, it will be our slope.

With that in mind, let's create both of our equations:

  1. y = 900x + 2700 (Oil system)
  2. y = 200x + 9000 (Solar system)

Since y is solved for in the first equation, we can substitute it into the second equation:

900x + 2700 = 200x + 9000

700x + 2700 = 9000 <em>[Subtracting 200x from both sides]</em>

<em />700x = 6300 <em>[Subtracting 2700 from both sides]</em>

<em />x = 9 <em>[Dividing both sides by 700]</em>

<em />

We can now substitute 9 for x in any equation and solve for y. Here I substituted it into the first one:

y = 900(9) + 2700

y = 8100 + 2700 <em>[Multiplying]</em>

<em />y = 10800 <em>[Adding]</em>

Hence, the solution to this linear system is (9, 10800).

3 0
2 years ago
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