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3 years ago

7

What is madeline mistake

1 answer:

Mazyrski [523]3 years ago

8 0

Answer:

4000 should be 40 to be correct. simple wrong steps.

Step-by-step explanation:

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What is the sum of the geometric sequence 3, 15, 75, … if there are 8 terms?

Firlakuza [10]

If you would like to know the sum of the geometric sequence, you can calculate this using the following steps:

3, 15, 75, 75 * 5 = 375, 375 * 5 = 1875, 1875 * 5 = 9375, 9375 * 5 = 46875, 46875 * 5 = 234375

<span>3 + 15 + 75 + 375 + 1875 + 9375 + 46875 + 234375 = </span>292,968

The correct result would be 292,968.

4 0

3 years ago

Read 2 more answers

What equation is y=4/5x+8 in standard form

Nadya [2.5K]

Answer:

4x−5y=−40 I think thats the answer

3 0

3 years ago

I dont understand this

MrRa [10]

Answer: First option.

Step-by-step explanation:

You need to remember the following Trigonometric Identity:

$cos\alpha =\frac{adjacent}{hypotenuse}$

In this case, you can identify in the figure that:

$\alpha =35\°\\adjacent=9\\hypotenuse=x$

Then you must substitute these values into $cos\alpha =\frac{adjacent}{hypotenuse}$ :

$cos(35\°) =\frac{9}{x}$

Finally, you need to solve for "x" in order to find its value. This is:

$(x)(cos(35\°))=9\\\\x=\frac{9}{cos(35\°)}\\\\x=10.98$

Rounding the result to the nearest tenth, you get:

$x\approx11$

8 0

3 years ago

Solve the system of equations.<br> 4х – 3y = 12<br> 3х + 6у = 42

Shkiper50 [21]

The answer would be B) 6, 4

mark me brianliest if i was correct!

6 0

2 years ago

Read 2 more answers

A company builds computers. It costs $6,700 to build 10 computers and $12,200 to build 20 computers. Which equation models the c

Daniel [21]

The answer is <span> </span><span>C(x) = 550x + 1200

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8 0

3 years ago