2 years ago

I don’t know the answer and will need help thank you

Mathematics

1 answer:

Aleonysh [2.5K]2 years ago

6 0

Answer:

#4is all real#s above -2 for the range

Step-by-step explanation:

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The length of AB-----is 15 centimeters. A dilation with a scale factor of 0.4 is applied. What is the length of the image of A

ss7ja [257]

Let's restate your first sentence: the length of AB is 15 cm.

For dilation, we would have to multiply 15 by 0.4 and that would lead us to our answer: 6 cm. Hope this helps!

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3 years ago

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If x=-7 is a root of the equation x^2+kx+49=0, then k=

aleksley [76]

Answer:

$k=14$

Step-by-step explanation:

Given:

$x^{2}+kx+49 = 0$

$x = -7$

Substitution can be used to find the value of $k$ :

$(-7)^{2}+(-7)k+49 = 0$

$49-7k+49 = 0$

$98 -7k = 0$

$k = 14$

Hope this helps :)

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3 years ago

Use the distributive property to remove the parenthese (u-9)6

pychu [463]

<span>(u-9)6
= 6u - 54 ...expanded by using distributive property

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2 years ago

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261,256,251 find the 50th term

marshall27 [118]

Answer:

$a_{50}=16$

Step-by-step explanation:

Given that,

An airthmetic sequence,

261,256,251

We need to find the 50th term.

We have,

first term, a = 261

common difference = 256-261 = -5

The nth term of the AP is given by :

$a_n=a+(n-1)d\\\\a_{50}=a+49d\\\\a_{50}=261+49(-5)\\\\a_{50}=16$

So, the 50th term of the sequence is 16.

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3 years ago

Which are equivalent to 2 1/3 x 3/14? Check all that apply.

Usimov [2.4K]

I think is 1/2 sorry if I’m wrong

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3 years ago