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maxonik [38]
3 years ago
5

Which values for A and B will create infinitely many solutions for this system of equations

Mathematics
1 answer:
Ratling [72]3 years ago
7 0

Answer:

A = - 2 and B = - 8

Step-by-step explanation:

A = - 2 and B = - 8 will create infinitely many solutions for this system of equations

When you add both equations together and both sides are equal then the systems have infinitely many solutions

-2x - y = 8

2x + y = -8

--------------------Add

0 = 0

Both sides are equal 0

Infinitely many solutions

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The original rectangle has a perimeter of 16
Serjik [45]

12.4 / 6.2 = 2

SF = 2

The original rectangle has a perimeter of 16

Perimeter of the enlarged rectangle = 16 x 2 = 32

Answer: 32 feet

6 0
3 years ago
Read 2 more answers
tank contains 20002000 liters​ (L) of a solution consisting of 112112 kg of salt dissolved in water. Pure water is pumped into t
Ganezh [65]

Answer:

Answer:

t ≅ 5.09 min

Step-by-step explanation:

we have that if in 4000 L/sol there is 132 kg salt and the pumping speed is 12L/s, we must find how much of salt is pumping per second and then find the amount of salt remaining

12L/s*132kg salt/4000L = 0.396 Kg salt/s,  this means that 0.396 kg per second comes out , It should be found that the amount of salt must be drained so that only 11 kg of salt remain

132kg salt - 11 kg salt = 121 kg salt, so

121Kg salt*s/0.396Kg salt ≅ 305.55 s ⇒ 305.55s*min/60s ≅ 5.09 min

Step-by-step explanation:

6 0
3 years ago
Solve |t+4| > 10
diamong [38]
For
|a|>b
assume
a>b and a<-b

|t+4|>10
assume
t+4>10 and t+4<-10
solve each
minus 4 both sides

t>6 and t<-14


A is answer

7 0
3 years ago
The larger of two numbers is twice the smaller increased by five. Find the two numbers if three times the larger exceeds double
melomori [17]

Answer:

Larger number is 13 and Smaller number is 4.

Step-by-step explanation:

Let the larger number be x.

Also let the smaller number be y.

We need to find the two numbers.

Given:

The larger of two numbers is twice the smaller increased by five.

framing in equation form we get;

x=2y+5 ⇒equation 1

Also Given:

Three times the larger exceeds double the smaller by 31

3x=2y+31 ⇒equation 2

Now Substituting the value of x from equation 1 in equation 2 we get;

3(2y+5) = 2y+31

Now Using Distributive property we get;

6y+15 = 2y +31

Combining the like terms we get;

6y-2y = 31-15

Now Using Subtraction property we get;

4y =16

Now Using Division property we get;

\frac{4y}{4}=\frac{16}{4}\\\\y =4

Now Substituting value of y in equation 1 we will find the value of x.

x=2y+5\\\\x = 2\times4+5\\\\x=8+5\\\\x=13

Hence Larger number is 13 and Smaller number is 4.

3 0
3 years ago
Find the area I will make you Brainliest (show working)​
Lady_Fox [76]

Answer:

the answer is 52.

Step-by-step explanation:

You have to do [(6+6+2)*(3)] + [(2)*(5)] to get your answer.

(6+6+2)=14

14*3=42

2*5=10

10+42=52

8 0
2 years ago
Read 2 more answers
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