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Bond [772]
3 years ago
14

CAN SOMEBODY HELP ME PLZ

Mathematics
1 answer:
laiz [17]3 years ago
8 0
Let x be the brick portion of the wall
Since x is 2/3 of the wall
Then x= (2/3)(2 3/4)
x= 11/6 = 1 5/6
So the brick portion of the wall is 1 5/6 feet

Note: that's not 15/6, it's a mixed fraction which is 1 + 5/6.. just to let you know
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Use area model to find the product of 26 x 14.
Bond [772]

Answer: 364

Step-by-step explanation:

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3 years ago
Please help me with this question #15
statuscvo [17]
The answer is B. You are getting rid of one x is the answer is x^2.
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4 years ago
Javier bought 4 pencil toppers at the school for $3.69 each. He estimated how much he needed to pay and gave the cashier $16. Is
yuradex [85]

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2 years ago
Juan solved the system of linear equations
dlinn [17]

Answer:

x =1

y = 3

Step-by-step explanation:

8x - 3y = -1 ------ * 2   part (a)

-5x +2y =1 ------ * 3   part (b)

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8 0
3 years ago
Complete the identity
spin [16.1K]

Answer: cos(\pi-x)=-cos(x)

Step-by-step explanation:

We need to apply the following identity:

cos(A - B) = cos A*cos B + sinA*sin B

Then, applying this, you know that for cos(\pi-x):

cos(\pi-x)=cos(\pi)*cos(x)+sin(\pi)*sin(x)

We need to remember that:

cos(\pi)=-1 and sin(\pi)=0

Therefore, we need to substitute these values into cos(\pi-x)=cos(\pi)*cos(x)+sin(\pi)*sin(x).

Then, you get:

cos(\pi-x)=(-1)*cos(x)+0*sin(x)

cos(\pi-x)=-1cos(x)+0

cos(\pi-x)=-cos(x)

8 0
3 years ago
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