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polet [3.4K]
3 years ago
9

Help me pleaseeeeeeeee

Mathematics
2 answers:
topjm [15]3 years ago
7 0

Answer:

x = 6, y = 3

Step-by-step explanation:

Let Sally's age be x and Tomas's age be y.

Sum of Sally's age plus twice Tomas's age: x + 2y = 12

Difference of Sally's age and Tomas's age: x - y = 3

Multiply the second equation by two and add it to the first equation to get

3x = 18, which means x = 6.

Plug 6 in for x in the second equation to get 6 - y = 3, which means y = 3.

natka813 [3]3 years ago
3 0

Answer:

9

Step-by-step explanation:

its EZY

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How many solutions does the equation 3x-2x+4=2+x+2 have?
ladessa [460]

Answer:

infinitely many solutions

Step-by-step explanation:

3x - 2x + 4 = 2 + x + 2

x + 4 = x + 4

x = x

x = x is a true statement for every value of x, so there is an infinite number of solutions.

Answer: infinitely many solutions

5 0
3 years ago
The rectangle shown in dilated by a scale factor of 4. Please answer (a) thank you
Lostsunrise [7]

Answer:

The dimensions of the dilated image are 60 cm by 32 cm

Step-by-step explanation:

we know that

The scale factor is equal to 4

The scale factor is > 1 -----> therefore the dilation is an enlargement

To find the dimensions of the dilated image, multiply the original dimensions by the scale factor

New Length=(15)(4)=60 cm

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4 years ago
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What is the volume if each edge of each cube is 1 centimeter
Irina-Kira [14]

Answer:

1 cm^3

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Length x Width x Height

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3 0
3 years ago
A and B take M days to complete a task together if A takes 27 days more than A and B to complete the task alone. And if B takes
Juliette [100K]

Answer:

9 days.

hope it helps

Step-by-step explanation:

As per given data

1/x=1/(x+27)+1/(x+3)

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X^2=81

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7 0
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