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mariarad [96]
3 years ago
11

Is (5,2) a solution to this system? x+4y=13 x-y=3 *

Mathematics
2 answers:
kompoz [17]3 years ago
8 0

Answer:

yes

Step-by-step explanation:

kirza4 [7]3 years ago
5 0

Answer:

Yes.

Step-by-step explanation:

x + 4y = 13

 x - y = 3              Subtracting:

0 + 4y - (-y) = 13 - 3

5y = 10

y = 2.

Plug y = 2 into the second equation:

x - 2 = 3

x = 5.

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8x -6=18 what does x equal
professor190 [17]

Answer:

x = 3

Step-by-step explanation:

8x -6 = 18

Add 6 to both sides.

8x = 24

Divide both sides by 8 to isolate x.

x = 3

4 0
2 years ago
A pyramid has a surface area of 539 ft.² what is the surface area of a similar pyramid that is smaller by a scale Factor of 1/7
Nataly [62]

Answer:

77 ft²

Step-by-step explanation:

Given that:

Surface Area of larger pyramid = 539 ft²

Scale factor of the smaller pyramid = 1/7

Tbe surface area of the smaller pyramid will be :

Scale factor * surface area

1/7 * 539ft²

= 539 ft² / 7

= 77 ft²

5 0
3 years ago
What is the base 5 representation of the number 465^8
andreev551 [17]

Answer  

Option C : 2214(5)

Solution


The given number is 465 in base 8. To convert this number to base 5,we need to convert this number to base 10, then only we can compute the number in base 5


Step1 : Convert 465 to the base 8 to base 10


4 x 82=256


6 x 81=48


5 x 80=5


Adding 256 + 48+ 5 = 309(10)


Step2 : Convert 309(10) to base 5  

5 | 309  

5 | 61 |4


5 | 12 | 1


5 | 2  | 2


5 | 0  | 2



Therefore Answer = 2214(5 )

4 0
4 years ago
According to the rule of 70, how many years will it take an investment that is making 4.5 percent interest to double in size?
emmainna [20.7K]
Actually,I believe it is the rule of 72
72/4.5 = 16 years

8 0
3 years ago
A bakery bakes 2000 loaves in 5 hours . How many loaves will be baked in 12​
Kisachek [45]

Answer:

4,800 loaves.

Step-by-step explanation:

Solve by utilizing ratios and cross-multiplication.

8 0
3 years ago
Read 2 more answers
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