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dedylja [7]
2 years ago
4

In the figure below, find the exact value of y. (Do not approximate your answer.)

Mathematics
1 answer:
MA_775_DIABLO [31]2 years ago
7 0

Answer:

I need the answer

Step-by-step explanation:

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Layla used 0.482 gram of salt in her experiment. Maurice use 0.51 gram of salt. who used the greater amount of salt?
Evgen [1.6K]
0.51 grams is < 0.482, thus Maurice has more salt.
4 0
2 years ago
Sin70cos10-cos70sin10
ololo11 [35]
We know that sin(a-b) = sina.cosb - cosa.sinb

if a=70  &  b=10 the sin(70-10) = sin(60) = √3/2

Sin70cos10-cos70sin10 = sin60 = √3/2
3 0
2 years ago
Beaker A contains 4 1/3 fluid ounces, while beaker B contains 4 3/10 of water . Which beaker has the smaller amount of water
kirill [66]
Beaker  A contains more water.
First,find equivalent fraction.
Next,compare the amounts you will see Beaker A contains more water.
Therefore,Beaker A contains more water.
8 0
2 years ago
Find the equation of the plane through the point (2,5,7) that is parallel to the line r=(3i+2j−2k)+t(i+2j+9k) and perpendicular
insens350 [35]

The plane we want to find has general equation

a(x-2)+b(y-5)+c(z-7)=0

with a,b,c not equal to 0, and has normal vector

\vec n=a\,\vec\imath+b\,\vec\jmath+c\,\vec k

\vec n is perpendicular to both the normal vector of the other plane, which is 4\,\vec\imath+5\,\vec\jmath+6\,\vec k, as well as the tangent vector to the line \vec r(t), which is \vec\imath+2\,\vec\jmath+9\,\vec k.

This means the dot product of \vec n with either vector is 0, giving us

\begin{cases}4a+5b+6c=0\\a+2b+9c=0\end{cases}

Suppose we fix c=1. Then the system reduces to

\begin{cases}4a+5b=-6\\a+2b=-9\end{cases}

and we get

(4a+5b)-4(a+2b)=-6-4(-9)\implies-3b=30\implies b=-10

a+2(-10)=-9\implies a=11

Then one equation for the plane could be

\boxed{11(x-2)-10(y-5)+(z-7)=0}

or in standard form,

\boxed{11x-10y+z=-21}

The solution is unique up to non-zero scalar multiplication, which is to say that any equation (11x-10y+z)k=-21k would be a valid answer. For example, suppose we instead let c=2; then we would have found a=22 and b=-20, but clearly dividing both sides of the equation

22(x-2)-20(y-5)+2(z-7)=0

by 2 gives the same equation as before.

7 0
2 years ago
A school organised a concert for charity the graph and table showing information about 100 tickets sold
sdas [7]

Answer:

The cumulative frequency table shows the marks some students got in a test. (a) On the grid, plot a cumulative frequency graph for this information. [2] ...

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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