Mathematics, 22.01.2020 04:31 felipeneeds684

How do i do this? i'm not good with math

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Answer from: nesa10

1)y=25x+30
2) Yes
3) 20$ left over

Answer from: sammiirene

Slope intercept form formula is y=my+b. The b is your coefficient which does not move. This is where you would start on a graph on the y intercept. The b would be 30 because that is the number that will never change (your coefficient). The m is your slope and your x is how many times you will be taking the lessons. Your m will be 25 because per is a word you use for slope. The y just stays y. Your equation will be y=25x+30. For the second part you want to do y=25(6)+30. 25 multiplied by 6 is 150 and 150 added to your coefficient 30 is 180. A $200 gift card will pay for it. In the end $20 will be left.

Answer from: Quest

3. parallelogram

step-by-step explanation:

we turn each of our sides into direction vectors

ab=b-a=(3 - 7, 1 - 0) = (-4, 1)

bc=c-b=(1,6)

cd=d-c=(4,-1)

da=a-d=(-1,-6)

we see how the opposite sides have negated direction vectors; this is characteristic of a parallelogram. we have congruent sides ab=cd and bc=da with unequal lengths because 1^2+6^2 is different from (-4)^2+1^2. so it's not a square or a rhombus.

we check the dot product of direction vectors of adjacent sides. we have

ab dot bc = -4(1) + 1(6) = 2

that's not zero so the sides are not perpendicular. we've ruled out rectangle.

the direction vectors indicate two pairs of congruent parallel sides, so we choose parallelogram over trapezoid.

Answer from: Quest

image result for what is another name for consecutive interior angles?

when two lines are crossed by another line (called the transversal): the pairs of angles on one side of the transversal but inside the two lines are called consecutive interior angles. in this example, these are consecutive interior angles: d and f.

step-by-step explanation:

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