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emmasim [6.3K]
2 years ago
11

the sum of a certain number ana second number is _42.the first number minus the second number is 52 .find the number ?

Mathematics
1 answer:
Ulleksa [173]2 years ago
4 0

Answer:

sorry I don't now when I now I will tell you

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−3x + y = 4,<br><br> −9x + 5y = −1<br> find x and y
katrin [286]

Answer:

9x - 3y = -12

-9x +5y = -1

2y = -13

y = -13/2

-3x - 13/2 = 8/2

-3x = 21/2

-6x = 21

x = -21/6 = -7/2

(-7/2, -13/2)

3 0
3 years ago
What is the place value of 9 in 46.934?
Inga [223]
The 9 is in the Tenths place

5 0
3 years ago
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The admission fee at an amusement park is $1.75 for children and $4.80 for adults. On a certain day, 303 people entered the park
Nookie1986 [14]

Answer:

Children 188

Adults. 115

Step-by-step explanation:

Let the no. of children be x and adults be y

x + y = 303

x = 303 - y. .... .....(1)

1.75x + 4.80y = 881. ...........(2)

Substituting,

1.75(303-y) +4.80y = 881

530.25 -1.75y + 4.80y = 881

530.25 + 3.05y = 881

3.05y = 881 - 530.25

y = 350.75 / 3.05 = 115 = adults

Children = 303-115 = 188

3 0
3 years ago
Consider the line y=8x - 4.
Kamila [148]

Answer:

Parallel - 8

Perpendicular - -1/8

Step-by-step explanation:

If a line is parallel to another then they have the same slope

If a line is perpendicular to another line then the slope is just flipped and so is the sign

8 0
2 years ago
Name and degree for x+2
Ipatiy [6.2K]

Answer:

the answer is quadratic 2

Step-by-step explanation:

x2-x2+5

8 0
3 years ago
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