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Yuri [45]
2 years ago
9

Ken bought 2 video games and 1 DVD for a total of $105. Jerome bought 1 video game and 4 DVDs for a total of $80. Which system o

f equations can be
used to find the cost, in dollars, of each video game (v) and each DVD (d) at the store?
Mathematics
1 answer:
Zigmanuir [339]2 years ago
5 0

Answer:

I think that the Linear system of equations can be used to find the cost.

Step-by-step explanation:

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I WILL GIVE BRAINLIEST FOR Correct Answer
VladimirAG [237]
Part A) Find BC, the distance from Tower 2 to the plane, to the nearest foot.

in the triangle ACD
sin16=CD/(7600+BD)--------> CD=sin16*(7600+BD)---------> equation 1 

in the triangle BCD
sin24=CD/BD-----------> CD=sin24*BD---------------> equation 2
equation 1=equation 2
sin16*(7600+BD)=sin24*BD-----> sin16*7600+sin16*BD=sin24*BD
sin24*BD-sin16*BD=sin16*7600----> BD=[sin16*7600]/[sin24-sin16]
BD=15979 ft

in the triangle BCD
cos24=BD/BC---------> BC=BD/cos24-------> 15979/cos24-------> 17491
BC=17491 ft

the answer part 1) BC is 17491 ft

Part 2) Find CD, the height of the plane from the ground, to the nearest foot.

CD=sin24*BD        ( remember equation 2)
BD=15979 ft
CD=sin24*15979 -----------> CD=6499 ft

the answer part 2)  CD is 6499 ft
4 0
3 years ago
Read 2 more answers
A football field is a rectangle 80 meters wide and 110 meters long. Coach Trevor asks his players to run from one corner to the
vladimir2022 [97]

Answer: the distance from one corner of the field to the other corner is 136 m

Step-by-step explanation:

The distance from one corner to the other corner is the diagonal and it

divides the field into two equal right angle triangles. The diagonal represents the hypotenuse of each right angle triangle. The length and width of the rectangle represents the adjacent and opposite sides of the right angle triangle. To determine the length of the diagonal, d, we would apply Pythagoras theorem which is expressed as

Hypotenuse² = opposite side² + adjacent side²

Therefore

d² = 110² + 80²

d² = 12100 + 6400 = 18500

d = √18500

d = 136 meters

5 0
3 years ago
2. There are 1500 candies in a candy dish. Each day half of the candy is taken out.
katen-ka-za [31]

Answer:

so easy and obvious dude

Step-by-step explanation:

5 0
3 years ago
Definition of the math word obtuse triangel
Alexxandr [17]
An obtuse triangle is a triangle which has one obtuse angle. <span> 

Obviously, only a single angle in a </span>triangle<span> can be </span>obtuse<span> or it wouldn't be a </span>triangle.

Hope that helps you
4 0
3 years ago
We want to place a bench measuring 7.05 feet in the center of a platform that is 40.75 feet long
AnnyKZ [126]
40.75 - 7.05= 33.7
33.7 / 2 = 16.85 
16.85 ft. should be on each side of the 7.05 ft. bench 
5 0
3 years ago
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