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balandron [24]
3 years ago
5

PLZ PLZ PLZ PLZ PLZ PLZ HELP ME I DONT UNDERSTAANDDDD I NEED ANSWERS SOME OF THEM I ACCIDENTLY CLICKED ON WHEN I TOOK THE PICTUR

E

Mathematics
2 answers:
tia_tia [17]3 years ago
6 0

Answer:

c the 1st

a the 2nd

b the 3rd

c the 4th

julsineya [31]3 years ago
5 0
Im pretty sure number 6 is 1/5 because there are 5 cans. And if you pick one then there will be a 1/5 chance of choosing the same can. Does this make sense?
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Annie is framing a photo with a length of 6 inches and a width of 4 inches. The distance from the edge of the photo to the edge
Ede4ka [16]

Answer:

Part a) The quadratic function is 4x^{2} +20x-39=0

Part b) The value of x is 1.5\ in

Part c) The photo and frame together are 7\ in wide

Step-by-step explanation:

Part a) Write a quadratic function to find the distance from the edge of the photo to the edge of the frame

Let

x----> the distance from the edge of the photo to the edge of the frame

we know that

(6+2x)(4+2x)=63\\24+12x+8x+4x^{2}=63\\ 4x^{2} +20x+24-63=0\\4x^{2} +20x-39=0

Part b) What is the value of x?

Solve the quadratic equation 4x^{2} +20x-39=0

The formula to solve a quadratic equation of the form

ax^{2} +bx+c=0

is equal to

x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}

in this problem

we have

4x^{2} +20x-39=0

so

a=4\\b=20\\c=-39

substitute in the formula

x=\frac{-20(+/-)\sqrt{20^{2}-4(4)(-39)}} {2(4)}

x=\frac{-20(+/-)\sqrt{1,024}} {8}

x=\frac{-20(+/-)32} {8}

x=\frac{-20(+)32} {8}=1.5\ in  -----> the solution

x=\frac{-20(-)32} {8}=-6.5\ in

Part c) How wide are the photo and frame together?

(4+2x)=4+2(1.5)=7\ in

5 0
3 years ago
I need help pppppppllssssssssss​
balandron [24]

Answer:

y=x-1

Step-by-step explanation:

8 0
3 years ago
What is 2/3 divided by 5
BARSIC [14]

Answer: Hey here’s your answer: 2/3 divided by 5=2/15

Hth

Step-by-step explanation:

3 0
3 years ago
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Mario fils out an information card. His ZIP code is 83628 His area code is 208. Which statement about the value of the 2 in 83.6
wlad13 [49]

Answer:

in the similar hundreds place except in 83.628 it is the the hundre'ths' place which is different

Step-by-step explanation:

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A number is chosen uniformly at random from among the positive integers less than $10^8$. Given that the sum of the digits of th
Reil [10]

Answer:

 

If the sum of the digits of a number is divisible by 9, then that number is divisible by 9. An..... sorry if this does not help :(

Step-by-step explanation:

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