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astra-53 [7]
3 years ago
5

Please help me with this

Mathematics
2 answers:
Feliz [49]3 years ago
6 0

Answer:

9 ft^2

The hole is 9ft ^2

My name is Ann [436]3 years ago
4 0

Just do 72 - 9 = 63

Hope this helps

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The sum of 5 times a larger number and twice a smaller is 5. The difference of 4 times the larger and the smaller number is 4. F
Gemiola [76]

Answer:

1 and 0

Step-by-step explanation:

Let's call the smaller number x and the larger number y.

This means 5y+2x=5.

Also, 4y-x=4.

This is a system of equations. There are two main ways two solve this.

Method 1: Substitution

5y+2x=5

4y-x=4

Solve for one of the variables, then substitute it back into one of the equations to solve for the other variable.

I will take 4y-x=4 and solve for x.

4y=4+x

x=4y-4

Then substitute for x in the other equation and solve for y.

5y+2x=5

5y+2(4y-4)=5

5y+8y-8=5

13y=13

y=1

Now we can go back to our equation for x and substitute for y.

x=4y-4

x=4(1)-4=0

y, the larger number, is 1 and

x, the smaller number, is 0

Method 2: Elimination

5y+2x=5

4y-x=4

Change the equations so that the coefficient of one of the variables in an equation is opposite the one in the other equation. Then add the equations and solve for each variable.

If I multiply both sides of the second equation, 4y-x=4, by 2, the coefficient of x will become -2. In the first equation, the coefficient is 2, so they will become opposites.

4y-x=4

becomes

8y-2x=8

Now we have 5y+2x=5 and 8y-2x=8.

Add the sides of both equations to cancel the x values.

5y+2x+8y-2x=5+8

13y=13

y=1

like last time, we can substitute for y in any of the original equations to get x.

5y+2x=5

5(1)+2x=5

5+2x=5

2x=0

x=0

y, the larger number, is 1 and

x, the smaller number, is 0

6 0
2 years ago
3 ÷ 1/2 what is it?​
Alja [10]

3\div\dfrac{1}{2}=3\cdot2=6

8 0
2 years ago
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Evaluate the expression for the given value of the variable.
MatroZZZ [7]

Answer:

17

Step-by-step explanation:

24/t  + t^2

Let t=3

24/3  + 3^2

8 + 9

17

5 0
2 years ago
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Enter the number of complex zeros for the polynomial function in the box.
Monica [59]

Answer:

The answer is 3.

Step-by-step explanation:

I took the quiz.

6 0
2 years ago
PLS PLS HELP PLS PLS PLS HELP PLS HELP PLS BOTH OF THEM PLS
Charra [1.4K]

Answer:

16. Right isosceles

17. D

Step-by-step explanation:

The triangle has a right angle this makes it a right trangle. Also all parallelograms are not squares, all rectangles aren't squares and all parallelograms aren't rhombuses.

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