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Roman55 [17]
3 years ago
13

(6y^3) - 42y= -4y^3 please helpp

Mathematics
1 answer:
Hunter-Best [27]3 years ago
7 0

Answer:

i have no clue

Step-by-step explanation:

i said this bc apparently i have to help someone to get help and i just wanna finish this math homework lol

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Use the diagonals to determine whether a parallelogram with the given vertices is a rectangle, rhombus, or square. Select the mo
viktelen [127]

Answer:

The parallelogram is a rhombus.

Step-by-step explanation:

Length of diagonal JL is = \sqrt{(- 8 - 4)^{2} + (- 2 - ( - 6))^{2} } = \sqrt{160} units.

And the length of diagonal KM is = \sqrt{(- 1 - (- 3))^{2} + (- 7 - ( - 1))^{2} } = \sqrt{40} units.

So, JL ≠ KM so, the parallelogram is neither rectangle nor a square.

Now, Slope of line JL = \frac{-2 - ( - 6)}{4 - (- 8)} =  \frac{1}{3}

Again, slope of KM = \frac{-7 - ( - 1)}{- 1 - ( - 3)} = - 3

Therefore, the product of slope of JL and KM is - 1 and hence, JL ⊥ KM

And therefore, the parallelogram is a rhombus. (Answer)

7 0
3 years ago
Which property is illustrated by the statement 13x12=12x13
finlep [7]
Oooh I don't know the exact wording, but it is the property that states that the order of the numbers in the equation can be switched and still equal the same thing as long as the signs are still kept.
8 0
3 years ago
Read 2 more answers
Ivana's furniture store buys a chair at a wholesale price of $320.00. If the markup rate at Ivana's store store is 40%, what is
REY [17]

Answer: $128.00

Step-by-step explanation:

From the question, we are given the information that Ivana's furniture store buys a chair at a wholesale price of $320.00 and that the markup rate at Ivana's store store is 40%.

The total markup will then be:

= Markup rate × Price

= 40% × $320

= 0.4 × $320

= $128.00

3 0
3 years ago
9. Identify the correct property being shown.
BaLLatris [955]

Answer:

-16.4, (commutative property)

Step-by-step explanation:

(add, because they are both negatives) -5.2+(-8.4)= -13.6

Then add the (-2.8): -13.6 + (-2.8) = -16.4

Thats your first equation!!!

do the same thing for the other one, and by the way it the same answer.

Its commutative prop because its just switching positions and its adding negatives.

4 0
3 years ago
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17m - 2 - 9m + 7 - 2m<br> Please help me with this
bija089 [108]

Answer:

6m + 5

Step-by-step explanation:

17m - 2 - 9m + 7 - 2m

8m +5 -2m

6m +5

3 0
4 years ago
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