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Leno4ka [110]
3 years ago
6

Triangle ABC is similar to triangle DEF.

Mathematics
1 answer:
aleksandrvk [35]3 years ago
6 0

Answer:

C) 4/3 = DE/9

Step-by-step explanation:

I don't have much time to explain, so just trust me on this. :)

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2 2/4 is the mixed number then reduced to 2 1/2

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Solve the inequality: 2x + 10 > 16​
tino4ka555 [31]

Answer:

x > 3

Step-by-step explanation:

<u>Move the Constant to the right</u>

2x > 16 - 10

<u>Subtract the numbers</u>

2x > 6

<u>Divide both sides of the inequality by 2</u>

x > 3

Hope this helps!

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Using the total cost for Ashley's phone plan in the previous question, Calculate the total cost if she talked for 500 minutes an
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6 0
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Leo deposited $2494.05 in an account that earned 2.5% interest compounded weekly for 13 years. After 13 years, how much had Leo
erastova [34]

Answer: 3432.56

Step-by-step explanation: Everything is on the attached file, enjoy!!! If you have any further questions, just ask me, I'd be glad to help!

Alert: IDK if it is attached, so sorry if it isn't i'll try to explain it.

2490.05 is the initial value how much leo started with.

2.5% + 100% = 1.025

weekly =13weeks

multiply 1.025 by the sqrt of 13 since that's the amount of weeks.

that gets you 3432.56.

4 0
3 years ago
If x = –3 is the only x-intercept of the graph of a quadratic equation, which statement best describes the discriminant of the e
natita [175]

Equations don't really have x intercepts, functions or curves do. They're also known as the zeros of the function.  When we set a function equal to zero we get an equation to solve, and the zeros of the function become the solutions or roots of the equation.

If a quadratic equation only has one root, that's a repeated root corresponding to a discriminant of zero.

In this example our equation is something like 2(x+3)^2=0, or expanded

2x^2+12x + 18 = 0

The discriminant d=b^2-4ac here is

d = 12^2 - 4(2)(18) = 0 \quad\checkmark


7 0
3 years ago
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