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seraphim [82]
3 years ago
12

Answer question plesase

Mathematics
2 answers:
Reika [66]3 years ago
7 0

Game Pause: $70 - 20% = $56

Good Purchase: $70 - (1/4 = 25%) 25% = $52.50

J-Mart: $70 - $5 = $65

Wire Hound: $70 - 15% = $59.50

<h2>Good Purchase has the best price.</h2>
larisa86 [58]3 years ago
5 0
The 70 with the 20% off. This is because if you take the remaining percent from each problem, you get the price.
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Find the perimeter of the shape in the image <br> A) 8cm<br> B) 12cm<br> C) 16cm<br> D) 20cm
ivanzaharov [21]

Answer:

C. 16 cm

Step-by-step explanation:

Top side: 2 + 4 = 6

Right side: 1 + 1 = 2

Bottom: 2 + 4 = 6

Left side:  1 + 1 = 2

6+6+2+2 = 16 cm.

4 0
3 years ago
What is the solution set of 2x^2+x=15<br>○3,-5/2<br>○-3,5/2<br>○2,-3/2
kozerog [31]
Rewrite 2x^2+x=15 as <span>2x^2+ x - 15 = 0.  Use your favorite method to solve this for x.  I prefer synthetic div., so will check out whether or not 2 is a root:

     ____________
2  /   2     1     -15
               4      10
    ---------------------
       2      5      -5   Since there is a non-zero remainder, 2 is NOT a root.  Eliminate the 3rd answer choice.

Try -3.  If used as a divisor in synth. div., will the remainder be zero or not zero?  If zero, then -3 is a solution / root.  

And so on.</span>
7 0
4 years ago
Read 2 more answers
Please help with this question asap i will give brainliest
sergiy2304 [10]

Answer:

B is your answer,

With the factors of ( 2 )( 1 ), the lay out of the equation makes only sense with answer B.

6 0
4 years ago
Read 2 more answers
A go-cart racetrack has 100-meter straightaways and semicircular ends with diameters of 40 meters. Calculate the average speed i
emmainna [20.7K]

Answer:

Average speed of go cart is 217.07 meters per minute.

Step-by-step explanation:

We are given the following in the question:

Length of straightway racetrack = 100 m

Diameter of  semicircular end = 40 m

Radius =

r = \dfrac{d}{2} = \dfrac{40}{2} = 20\text{ m}

Perimeter of racetrack =

Perimeter of semicircle + 2(Length of straightway) + Perimeter of semicircle

=\pi r + 2(100) + \pi r\\=2\pi r + 2(200)\\=(2\times 3.14\times 20) + 200\\=325.6\text{ m}

Speed =

s = \dfrac{\text{Distance}}{\text{Time}}\\\\s = \dfrac{4\times \text{Perimeter of track}}{6}\\\\s = \dfrac{4\times 325.6}{6}\\\\s = 217.06\text{ meter per minute}

Thus, average speed of go cart is 217.07 meters per minute.

4 0
3 years ago
One interior angle of a parallelogram is 65 degrees . If the remaining angles have measures of a,b and c, what is the value of a
Irina18 [472]

Answer:

65 + 65 = 130

360 - 130 = 230 degrees

5 0
3 years ago
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