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creativ13 [48]
2 years ago
8

What is x? 19x+rx=−37x+w

Mathematics
2 answers:
lions [1.4K]2 years ago
7 0

Answer:

X = w/56+r  ;)

Step-by-step explanation:

(w being the numerator, 56+r being the denominator)

Thepotemich [5.8K]2 years ago
5 0
<span>Solving for x. Want to solve for r or solve for w instead?
</span>1. Subtract rx rx from both sides   
<span>        19x=−37x+w−rx
2. </span><span>Add </span><span>37x<span>37x</span></span><span> to both sides
</span>        19x+37x=w−rx3. 
<span>3. Simplify </span><span>19x+37x<span>19x+37x</span></span><span> to </span><span>56x<span>56<span>x
</span></span></span>         56x=w−rx4. 
<span>4. Add </span><span>rx<span>rx</span></span><span> to both sides
</span>         56x+rx=w5. 
<span>5. Factor out the common term </span><span>x<span>x
</span></span>         x(56+r)=w6. 
<span>6. Divide both sides by </span><span>56+r<span>56+<span>r

</span></span></span>So the correct answer would be:   x= w/56+r

I tried explaining it as best as possible.Hopefully these steps help you!  :)

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The binomial (y − 2) is a factor of y2 − 10y + 16. What is the other factor?
PtichkaEL [24]

Answer:

\left(y-8\right)

Step-by-step explanation:

y^2-10y+16

=\left(y^2-2y\right)+\left(-8y+16\right)

y^2-2y

=yy-2y

=y\left(y-2\right)

-8y+16

=-8y+8\cdot \:2

=-8\left(y-2\right)

=y\left(y-2\right)-8\left(y-2\right)

=\left(y-2\right)\left(y-8\right)

The other factor is:

\left(y-8\right)

5 0
2 years ago
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A farmer plants corn in 1/4 of his field. He plants white corn in 3/5 of the corn
bija089 [108]

Answer:

\frac{3}{20}

Step-by-step explanation:

Fraction of the total that is for corn (TC - Total corn):

TC=\frac{1}{4}

fraction of the corn section that is for white corn (WC - white corn in the corn seccion):

 WC=\frac{3}{5}

we need to find the fraction of the whole field that is for the white corn.

For this we need to find how much is \frac{3}{5} out of the \frac{1}{4} destinated to corn, and this will be the fraction of the total that is for white corn. We find this fraction by multiplying the fraction of corn (\frac{1}{4}) by the fraction of white corn in the corn section (\frac{3}{5}).

I will call the total fraction of white corn TWC, thus:

TWC=WC*TC=\\=\frac{3}{5} *\frac{1}{4} \\\\=\frac{3*1}{5*4} \\\\=\frac{3}{20}

the answer is: \frac{3}{20} of the whole field is planted with white corn

5 0
2 years ago
ABCD is a rectangle and A and B are the points (4,2) and (2,8) respectively. Given that the equation of AC is y=x-2, find a) Equ
Rudik [331]

A(4,2), B(2,8)

AC: y=x-2

Point point form for a line through (a,b) and (c,d) is (c-a)(y-b)=(d-b)(x-a)

AB is  (2 - 4)(y - 2) = (8-2)(x-4)

-2(y - 2)=6(x-4)

y - 2 = -3(x-4)

y = -3x + 14

BC is perpendicular through B, so slope 1/3 and we calculate the constant as y-(1/3)x:

y = (1/3) x  + (8 - (1/3)(2) ) = (1/3) x + 22/3

a)Answer:  BC is  y =  (1/3) x + 22/3

C is the meet of AC and BC,

x - 2 = (1/3) x + 22/3

3x - 6 = x + 22

2x = 28

x = 14

y = x-2 = 12

Check: y = (1/3)x + 22/3 = (14+22)/3 = 36/3 = 12  good

C(14,12)

The remaining corner is D.   We have A-B=D-C or

D = A+C-B+C = (4,2)+(14,12)-(2,8) = (16, 6)

b)Answer: B(2,8) [given, but asked for]  C(14,12), D(16,6)

8 0
2 years ago
True or false: the regression sum of squares (ssr) can never be greater than the total sum of squares (sst).
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8 0
2 years ago
Solve for x:<br> 3(5x + 10) + 10 = 6x - (x + 10)
34kurt

Answer:

x= -5

Step-by-step explanation:

3(5x+10)+10=6x-(x+10)

15x+30+10=6x-x-10

15x+40=5x-10

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10x=-50

x=-5

8 0
2 years ago
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