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olga55 [171]
2 years ago
12

Gail, Lucas, and Joel are playing a number game where they must draw a card with a number on it. Then they compare the numbers o

n the cards. Gail's, Lucas's, and Joel's cards are shown.
Lucas says that the value of the digit 9 in his number is 10 times greater than the value of the digit 9 in Gail's number. Is Lucas's statement correct?
Mathematics
2 answers:
jekas [21]2 years ago
4 0
90 Hope it helps_____
Verdich [7]2 years ago
3 0

Answer:

90

Step-by-step explanation:

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Identify the data set that could be quadratic. HELP ASAP!!
Ne4ueva [31]

Answer:

Option B can be quadratic.

Step-by-step explanation:

Take a look at the data.

A quadratic equation is of the form ,

y = ax^{2} +bx + c,

where, a,b,c are constants.

<em>To find an unknown equation of 3 variables,</em>

<em>we need 3 points lying on the equation.</em>

here they have given, 5 points, meaning all should lie on the curve.

<em>For first option,</em> inserting first 3 points to find equation, we get equation as,

y = x^{2} -4x +11, but the rest points don't satisfy the curve.

So first option is not quadratic.

Similarly, it can be shown that option C and D are also not quadratic.

While, in option B, it is clear that for every y, x is y squared,

x = y^{2}, thus quadratic in nature.

6 0
3 years ago
The expression -2(x-4) is the same as?​
Tomtit [17]

Answer:

-2x + 8

Step-by-step explanation:

I applied the distribution technique to the original question.

5 0
2 years ago
Help needed! (will mark as brainliest)
Aloiza [94]

Answer:

it is the 3rd option

Step-by-step explanation:

4 0
2 years ago
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Denise gets 450 minutes each month to use on her cell phone. Last month, she used 360 minutes. What percent of her minutes did s
guajiro [1.7K]

Answer:

80%

Step-by-step explanation:

Denise used 360 minutes out of 450 minutes. You would set this up as a fraction. Then, you would have to find out the percentage of how much Denise used. You would put 360/450 across from x/100. You find the value of x by multiplying 360*100 which equals 36000. You then would divide it by 450 to get a product of 80. This is how you would get 80%.

8 0
3 years ago
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What is the equation of the hyperbola with vertices at (-4,0) and (4,0) and foci
SashulF [63]
I think the answer would be D
4 0
2 years ago
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