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Naddik [55]
2 years ago
8

How can I solve this? Thank you

Mathematics
1 answer:
Zigmanuir [339]2 years ago
3 0

The labeled angles are both equal to c by the corresponding angles theorem.

Thus, a+b=c by the exterior angle theorem.

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Need help with geometric sequences <br> 30 points
NeTakaya

Answer:

a_{n} = 6(5)^{n-1}

Step-by-step explanation:

The n th term of a geometric sequence is

a_{n} = a(r)^{n-1}

where a is the first term and r the common ratio

Here a = 6 and r = 30 ÷ 6 = 5, thus

a_{n} = 6(5)^{n-1}

8 0
3 years ago
If you roll a number cube 20 times, about how many times do you expect
patriot [66]

Answer:

is this a math question or something?

Step-by-step explanation:

8 0
3 years ago
John is 3 years younger than twice Monica's age. If m represents Monica's age, which equation can be used to find j, John's age?
AnnZ [28]

Answer:

J =2m -3

Step-by-step explanation:

2m is twice Monica's age

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7 0
3 years ago
Solve 3x2 − 7x − 2 = 0.
Daniel [21]

The answer think will be x=4/7

Or 4-7x

8 0
3 years ago
A chef is going to use a mixture two different brands of Italian dressing the first spring and days 5% vinegar the second brain
Temka [501]

I guess the chef is making the mixture for the sheriff... Let <em>x</em> be the amount of dressing with 5% vinegar that is required, and <em>y</em> the amount of 15% vinegar dressing (both amounts in mL).

The sheriff wants 390 mL of the mixed dressing, so that

<em>x</em> + <em>y</em> = 390

<em>x</em> mL of the 5% dressing contains 0.05<em>x</em> mL of vinegar, while <em>y</em> mL of the 15% dressing contains 0.15<em>y</em> mL of vinegar. The resulting mixture should have a concentration of 9% vinegar, so that it contains 0.09 (390 mL) = 35.1 mL of vinegar. This means

0.05<em>x</em> + 0.15<em>y</em> = 35.1

Solve for <em>x</em> and <em>y</em> :

<em>y</em> = 390 - <em>x</em>

0.05<em>x</em> + 0.15 (390 - <em>x</em>) = 35.1

0.05<em>x</em> + 58.5 - 0.15<em>x</em> = 35.1

23.4 = 0.10<em>x</em>

<em>x</em> = 234

<em>y</em> = 156

7 0
2 years ago
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