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miskamm [114]
2 years ago
5

What is 2x+7 plus 5 simplified

Mathematics
2 answers:
ivolga24 [154]2 years ago
6 0
2x+12
just combine like terms which are 7 & 5 to get 2x+12
nydimaria [60]2 years ago
4 0

Answer:

2x+12

Step-by-step explanation:

add the 7 and the 5, you don't need to answer the equation you just need to shorten the equation.

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Label the equations in number 5-7 as True or False:
kkurt [141]

Answer:

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8 0
2 years ago
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The surface areas of two similar solids are 340 yd² and 1,158 yd². The volume of the larger solid is 1,712 yd³. What is the volu
ratelena [41]

The ratio of surface area is equal to the ratio of the square of the corresponding dimensions. And ratio of volumes of two solids is equal to the cube of the ratio of the corresponding dimensions .

We start with the relation between ratio of surface area and ratio of corresponding sides. That is

\frac{340}{1158}=(\frac{x}{y} )^2

Here x and y are the corresponding sides .

\frac{x}{y} =\sqrt{\frac{340}{1158} } =0.542

Let the volume of the smaller one be v

\frac{v}{1712}=0.542^3

v=1712*0.542^3=272

So for the smaller solid, volume is 272 . And the correct option is the first option .

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3 years ago
The ratio of adult tickets sold to child tickets sold was 3:2, how many<br> child tickets were sold?
Makovka662 [10]

Answer:

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Step-by-step explanation:

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The relation ((6, 8), (7, 10), (7, 12), (8, 16),
Brilliant_brown [7]

Answer:

x = 7 is repeated twice.

Hence, there is NO MORE unique input. We can not have repeated inputs.

Thus, the relation is NOT a function.

Step-by-step explanation:

Given the relation

  • {(6, 8), (7, 10), (7, 12), (8, 16), (10, 16)}

We know that a relation is a function that has only one output for any unique input.

As the inputs or x-values of the relations are:

at x = 6, y = 8

at x = 7, y = 10

at x = 7, y = 12

at x = 8, y = 16

at x = 10, y = 16

If we closely observe, we can check that there is a repetition of x values.

i.e. x = 7 is repeated twice.

Hence, there is NO MORE unique input. We can not have repeated inputs.

Thus, the relation is NOT a function.

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5: THEO = what should happen
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