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poizon [28]
3 years ago
9

Can somebody help me please

Mathematics
1 answer:
Contact [7]3 years ago
6 0

The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined.

(

−

∞

,

∞

)

{

x

|

x

∈

R

}

Since

x

is on the right side of the equation, switch the sides so it is on the left side of the equation.

7

x

−

3

2

=

y

Solve for

x

.

Tap for more steps...

x

=

3

7

+

2

y

7

The range is the set of all valid

y

values. Use the graph to find the range.

(

−

∞

,

∞

)

{

y

|

y

∈

R

}

Determine the domain and range.

Domain:

(

−

∞

,

∞

)

,

{

x

|

x

∈

R

}

for any integer

n

Range:

(

−

∞

,

∞

)

,

{

y

|

y

∈

R

}

I got this from a math website


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The difference when 7 less than a number is subtracted from twice the number is 12. What is the number?
Softa [21]
2n-(n-7)=12
n+7=12
12-7=5
n=5
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3 years ago
One urn contains one blue ball (labeled b1) and three red balls (labeled r1, r2, and r3). a second urn contains two red balls (r
Flura [38]

Answer:

12 possibilities

Step-by-step explanation:

In the first urn, we have 4 balls, and all of them are different, as they have different labels, so the group of two red balls r1 and r2 is different from the group of red balls r2 and r3.

The same thing occurs in the second urn, as all balls have different labels.

The problem is a combination problem (the group r1 and r2 is the same group r2 and r1).

For the first urn, we have a combination of 4 choose 2:

C(4,2) = 4!/2!*2! = 4*3*2/2*2 = 2*3 = 6 possibilities

For the second urn, we also have a combination of 4 choose 2, so 6 possibilities.

In total we have 6 + 6 = 12 possibilities.

3 0
3 years ago
Read 2 more answers
Please help ASAP!!!!!!
tia_tia [17]

Answer:

b and c

Step-by-step explanation:

8 0
3 years ago
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the greater of two numbers is 1 more than twice smaller. three times greater exceeds 5 times the smaller by 10. find the three n
krek1111 [17]
<h3><u>The value of the greater number is 15.</u></h3><h3><u>The value of the smaller number is 7.</u></h3>

x = 2y + 1

3x = 5y + 10

Because we have a value for x we can plug this value in to find the value of y.

3(2y + 1) = 5y + 10

Distributive property.

6y + 3 = 5y + 10

Subtract 5y from both sides.

y + 3 = 10

Subtract 3 from both sides.

y = 7

We can plug this value back into the original equation to find the value of x.

x = 2(7) + 1

x = 15


7 0
3 years ago
3. Four chicken nuggets have 180 calories. How many calories are in 9 chicken
Lemur [1.5K]

Hey there! :)

Answer:

405 calories.

Step-by-step explanation:

To solve, we can create a proportion.

We are given that 4 nuggets is equivalent to 180 calories, therefore:

\frac{180cal}{4}= \frac{xcal}{9}

Cross multiply:

9 · 180 = 4 · x

1620 = 4x

Divide both sides by 4:

x = 405 calories.

8 0
3 years ago
Read 2 more answers
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