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blsea [12.9K]
3 years ago
8

20 POINTS ANSWER QUICK PLEASE!! SHOW ALL WORK

Mathematics
1 answer:
katen-ka-za [31]3 years ago
4 0
5x+8=4(3x+9) 5x+8=12x+36. 5x=12x+28

-7x=28. Divide both sides by -7 so x=-4

4y+8=4(2y-5). 4y+8=8y-20. 4y=8y-28

-4y=-28. Divide both sides by -4 so y=7
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Liam explains that drawing a yellow card is equivalent to drawing a blue card followed by a red card how many spaces forward or
Ivenika [448]

Complete question :

designs a board game in which a card is drawn on each turn. • A blue card means move forward 4 squares. • A red card means move back 6 squares. Liam suggests adding some other cards to Sia's game Part A Liam explains that drawing a yellow card is equivalent to drawing a blue card followed by a red card. How many spaces forward or backward does a player move after drawing a yellow card? Justify your answer.

Answer:

2 squares backward

Step-by-step explanation:

Given the rule :

Blue card = 4 squares forward

Red card = 6 squares backward

Yellow card = drawing a blue followed by a red

Spaces moved after drawing a yellow card:

Yellow equals :

Blue = + 4 squares ; then

Red = - 6 squares

Net total movement :

Blue + red

+4 + (-6)

4 - 6

- 2

2 squares backward

7 0
3 years ago
Which of the following equations results in no solutions?
agasfer [191]
Answer choice B would result in no solution

Hope this helps ;)
4 0
3 years ago
Lenny thinks the following expressions are equivalent:
julia-pushkina [17]

Yes, he is correct, using the distributive property you get the same answer

3 0
3 years ago
Read 2 more answers
Determine whether the following lines represented by the vector equations below intersect, are parallel, are skew, or are identi
KiRa [710]

Answer:

r(t) and s(t) are parallel.

Step-by-step explanation:

Given that :

the  lines represented by the vector equations are:

r(t)=⟨1−t,3+2t,−3t⟩

s(t)=⟨2t,−3−4t,3+6t⟩

The objective is to determine if the following lines represented by the vector equations below intersect, are parallel, are skew, or are identical.

NOTE:

Two lines will be parallel if \dfrac{x_1}{x_2}= \dfrac{y_1}{y_2}= \dfrac{z_1}{z_2}

here;

d_1 = (-1, \ 2, \ -3)

Thus;

r(t) = \dfrac{x-1}{-1} = \dfrac{y-3}{2}=\dfrac{z-0}{-3} = t

d_2 =(2, \ -4, \  +6)

s(t) = \dfrac{x-0}{2} = \dfrac{y+5}{-4}=\dfrac{z-3}{6} = t

∴

\dfrac{d_1}{d_2}= \dfrac{-1}{2} = \dfrac{2}{-4}= \dfrac{-3}{-6}

Hence, we can conclude that r(t) and s(t) are parallel.

6 0
3 years ago
A store is having a big sale. Everything is 30% off. but for one day only, an extra 40% will be taken off of the discounted pric
agasfer [191]

Answer:

60

Step-by-step explanation:

It is really easy just subtract the money with the percentage

3 0
3 years ago
Read 2 more answers
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