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grin007 [14]
4 years ago
10

I need a word problem using identity property of addition.

Mathematics
1 answer:
Eduardwww [97]4 years ago
5 0
Sally ate 5 banana's she got 5 more later how much does she have together
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Louis wants to carpet the rectangular floor of his basement. The basement has an area of 675 square feet. The width of the basem
artcher [175]

I am reading this correctly, the width = 1/3 of the length?

If this is the case, and we know that the area is 675, the equation is as follows.

Width x Length = 675 ft2

X = length

1/3 X  x  X =  675 ft2

To solve for X we have to multiply both sides by 3.

X square 2 = 2601 square feet.

Take the square of each side.

X =  225 sqare feet.

I hope this helps, let me know if you have any questions.

8 0
3 years ago
What is the inverse of the function fx = 2x-10
Margarita [4]
The inverse function is
f exponent -1 then (x)=10 over 2-x
8 0
3 years ago
Which of these steps will eliminate a variable in this system <br> 3x-3y=6 <br> 6x+9y=3
Brrunno [24]

Answer:

A

Step-by-step explanation:

This is because when you do a the answer states, multipliying the top by 2, makes the top equation 6x-6y=12. When you subtract the second from the first you get:

 6x - 6y = 12

- 6x + (-)9y = (-)3

Which results in -15y = 9.

This results in an eliminated variable from the start of the system of equation.

4 0
3 years ago
Read 2 more answers
HELP HELP PLEASE I WILL MARK YOU BRILL
abruzzese [7]

Answer:

I don’t know how to help you with that because I don’t have your math journal. And stander form of what exactly?

8 0
3 years ago
Read 2 more answers
The security system in a house has two units that set off an alarm when motion is detected. Neither one is entirely reliable, bu
Mariulka [41]

Answer:

Probability that detector B goes off is '0.615'

Step-by-step explanation:

Given that:

1) Probability that detector A goes off and detector B does not go off is 0.25.

2)Probability that detector A does not go off is 0.35.

3)Probability that detector A  goes off is (1-0.35)=0.65

Assuming that

Probability that detector B goes off is 'p' Hence the probability that detector B does not goes off  is (1-p)

Thus the probability that detector A goes off and detector B does not go off is  product of the individual probabilities

P(E)=0.65\times (1-p)\\\\0.65\times (1-p)=0.25\\\\0.65-0.65p=0.25\\\\0.65-0.25=0.65p\\\\\therefore p=\frac{0.40}{0.65}=0.615

Probability that detector B goes off is '0.615'

5 0
3 years ago
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