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djverab [1.8K]
2 years ago
15

Please help me I'll mark brainliest ​

Mathematics
1 answer:
nlexa [21]2 years ago
4 0

Answer:

B

Step-by-step explanation:

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"what is the value of a in the equation 81^b=a^4b"
stira [4]
Solving for B = 0
Then We have A which is = 81 ^b
6 0
3 years ago
4. Asia is designing a triangular-shaped window with a height of 15 inches and
Anni [7]

Answer:

18in

Step-by-step explanation:

Given data

Height h= 15 in

Area= 135 in^2

The expression for the area is given as

Area= 1/2 Base * Height

substitute

135= 1/2* Base*15

135= 7.5 Base

Base= 135/7.5

Base=  18 in

Hence the base is 18in

3 0
2 years ago
What is the area of the figure below?<br> 6 in.<br> 5 in.<br> 4 in.
uysha [10]
120
6x5x4=120
hope this helps
4 0
3 years ago
Solve the quadratic equation numerically (using tables of x- and y-values).
Stells [14]

Answer:

Third Option: x=6 or x=-3

Step-by-step explanation:

x^2+9x+18=0

(x+6)(x+3)=0

x=6 or x=-3

3 0
2 years ago
2x+3y+2=0<br> 2x+y=-1<br> Want answer
ch4aika [34]

The value of the x and y are -1/4 and -1/2 if the system of equations are 2x + 3y = -2 and 2x + y = -1.

<h3>What is a linear equation?</h3>

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

It is given that:

The two linear equations:

2x+3y+2=0

2x+y=-1

Solving by elimination method.

2x + 3y = -2

2x + y = -1

Subtract the equation first to second:

2y = -1

y = -1/2

Plug the above value in the equation second:

2x - 1/2 = -1

2x = -1 + 1/2

2x = -1/2

x = -1/4

Thus, the value of the x and y are -1/4 and -1/2 if the system of equations are 2x + 3y = -2 and 2x + y = -1.

Learn more about the linear equation here:

brainly.com/question/11897796

#SPJ1

7 0
1 year ago
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