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3 years ago

Factor out the coefficient of the variable. The expression 1/4y+3/8

Mathematics

1 answer:

Alika [10]3 years ago

6 0

Divide everything by 1/4
you will get
y+3/8*4/1
y+1 1/2
therefore
1/4(y+1 1/2) is the answer

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Evaluate 7+q(r−8)2 when q = 3 and r = 10.

liberstina [14]

Answer:

The solution of the expression is 19.

Step-by-step explanation:

Given:

q = 3
r = 10

Work:

=> 7 + q(r − 8)2
=> 7 + 3(10 - 8)2
=> 7 + 6(10 - 8)
=> 7 + 6(2)
=> 7 + 12
=> 19

Hence, the solution of the expression is 19.

Hoped this helped.

$BrainiacUser1357$

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2 years ago

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Whats between 0 and <img src="https://tex.z-dn.net/?f=%20%5Cpi%20%2F2" id="TexFormula1" title=" \pi /2" alt=" \pi /2" align="abs

Nataly_w [17]

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3 years ago

The cost of a pair of boots at a certain store is 145% of the cost of a pair of sneakers. The pair of sneakers costs $21.

Vilka [71]

Answer:

so $21+45%=30.45. meaning that pair of boots cost 30.45 so two pairs of boots would cost $60.90

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3 years ago

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Carol is given a 10% pay decrease. Her new wage is £306 per week. What would be her weekly wage if, instead, she had received a

svetlana [45]

the answer would be 374.00

the original value before any increase or decrease is 340.00

so...

340.00 X 1.10 = 374.00

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3 years ago

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Triangle ABC has vertices A(-3,0) B(0,6) C(4,6). Find the equations of the three medians of triangle ABC

Mariana [72]

Answer:

1. $y=-6x+6, y=\frac{6}{5} x+\frac{18}{5}, y=\frac{6}{11} x+\frac{42}{11}$

2. $y=-\frac{1}{2} x+2\frac{1}{4} , x=2, y=-\frac{7}{6}x+\frac{43}{12}$

Step-by-step explanation:

A(−3, 0), B(0, 6), and C(4, 6)

using the midpoint formula: $(\frac{x_1+x_2}{2}, \frac{y_1+y_2}{2})$ we can find all of their midpoint which is necessary to complete question 1 and 2

Mid AB=(-1.5, 3), Mid BC=(2, 6), Mid AC=(0.5,3)

Next, we have to find the slope of from the vertex and the midpoint of each side. We use the slope formula: $\frac{y_2-y_1}{x_2-x_1}$ .

You would get -6, 6/5, and 6/11.

Next you substitute in the coordinates for the equation of each for example: y=-6x, you switch in the set of cords AB which is (-1.5, 3). 3=-6(-1.5)+z and find that z=6, so the equation is y=-6x+6. As for the rest, repeat the same process until you find all 3 cords. You should get an answer of $y=-6x+6, y=\frac{6}{5} x+\frac{18}{5}, y=\frac{6}{11} x+\frac{42}{11}$

For question 2,

The line has to be perpendicular bisector to the midpoint, signifying that it has to split 2 angles into congruent angles and a side into half. In order to do that we need to first find the opposite reciprocal of each side's slope. Which means we need to once again use the slope formula and get the opposite reciprocal by $-\frac{1}{slope}$ . For all the opposite reciprocal slopes you get will be incorporated into the final formulas. That gives us the slopes of -1/2, 0 and -7/6. Then do the same process of matching cords with these incomplete equations and you can find the final equations of $y=-\frac{1}{2} x+2\frac{1}{4} , x=2, y=-\frac{7}{6}x+\frac{43}{12}$

I hope that helped with your question!! :)

Also I'm an RSM student too and I didn't know how to do them before so I searched it up.

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3 years ago