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AleksAgata [21]
3 years ago
8

Jace gathered the data in the table. He found the approximate line of best fit to be y = –0.7x + 2.36.

Mathematics
2 answers:
finlep [7]3 years ago
3 0

Answer:

the answer is:

-0.86

Step-by-step explanation:

kompoz [17]3 years ago
3 0

Answer:

B on ed!!!!

Step-by-step explanation:

(-0.86)

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m∠WYX=(2x−1)° and m∠WYZ=(4x+1)°. If ∠WYX and ∠WYZ are complementary, what is the measure of each angle?
Neko [114]

We are given : m∠WYX=(2x−1)° and m∠WYZ=(4x+1)°.

∠WYX and ∠WYZ are complementary.

We know, sum of complementary angles is = 90°.

So, we need to add ∠WYX and ∠WYZ and set it equal to 90°.

m∠WYX + m∠WYZ = 90°.

Plugging values of ∠WYX and ∠WYZ in the above equation, we get

(2x−1)° + (4x+1)° = 90°.

Removing parentheses from both sides,

2x-1 + 4x+1 =90.

Combining like terms,

2x+4x= 6x and -1+1 =0

6x +0 =90.

6x=90.

Dividing both sides by 6.

6x/6 =90/6

x= 15.

Plugging value of x=15.

m∠WYX=(2x−1)° = 2*15 -1 = 30 -1 =29

m∠WYZ=(4x+1)° = 4*15 +1 = 60+1 = 61.

Therefore, ∠WYX=29° and ∠WYZ=61°.



5 0
3 years ago
Are step functions one to one?
dlinn [17]

Answer: the function as they change value from one interval to the next

6 0
3 years ago
Simplify 4^9 X 4^3 please (:
Radda [10]

Answer:

4^12

Step-by-step explanation:

4^9 * 4^3

We know that a^b * a^c = a^ (b+c)

4^9 * 4^3

4^(9+3)

4^12

8 0
3 years ago
Read 2 more answers
What is the solution to the following system 4x+3y-z=-6
Aliun [14]

Solve equation [2] for the variable  y  
 

<span> [2] y = 6x + 3z - 12 </span>

// Plug this in for variable  y  in equation [1]

<span><span>  [1] 4x + 3•(6x+3z-12) - z = -6 </span><span>  [1] 22x + 8z = 30 </span></span>

// Plug this in for variable  y  in equation [3]

<span><span>  [3] 8x + 2•(6x+3z-12) + 4z = 6 </span><span>  [3] 20x + 10z = 30 </span></span>

// Solve equation [3] for the variable  z  
 

<span> [3] 10z = -20x + 30 [3] z = -2x + 3</span>

// Plug this in for variable  z  in equation [1]

<span><span>  [1] 22x + 8•(-2x+3) = 30 </span><span>  [1] 6x = 6 </span></span>

// Solve equation [1] for the variable  x  

<span><span>  [1] 6x = 6</span>  <span>  [1] x = 1</span> </span>

// By now we know this much :

<span><span>  x = 1</span> <span>  y = 6x+3z-12</span> <span>  z = -2x+3</span></span>

<span>// Use the  x  value to solve for  z  
</span>

<span>   z = -2(1)+3 = 1 </span>

<span>// Use the  x  and  z  values to solve for  y  
</span><span><span>  y = </span>6(1)+3(1)-12 = -3 </span>

Solution :<span><span> {x,y,z} = {1,-3,1}</span> </span>
3 0
3 years ago
Explain why a + 2b = 110 in the triangle shown​
Luda [366]

Answer:

Step-by-step explanation:

According to the Triangle Angle-Sum Theorem, all the angles of a triangle have to add up to equal 180 degrees. For us, in our triangle:

a + 2b + 70 = 180 so

a + 2b = 180 -70 and

a + 2b = 110. That's why.

3 0
3 years ago
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