2 years ago

5th grade math. Correct answer will be marked brainliest.

Mathematics

1 answer:

Triss [41]2 years ago

8 0

Answer:

ur welcome :)

Step-by-step explanation:

1) 2 places to the left

2) 2 places to the left

3)0.313

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Please help me due at 11:59 show how you got it if you can.

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No clue if this is right

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2 years ago

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one rectangle has a length 10 cm and width 5 cm the second rectangle has length 12 cm and width 4 cm are the two rectangles simi

tatuchka [14]

Answer:

No, they aren't similar.

Step-by-step explanation:

<u><em>Let's take the proportionality of their sides to check whether they are similar or not:</em></u>

$\frac{10}{5} = \frac{12}{4}$

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So, they are not similar.

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3 years ago

On a sightseeing trip to Paris, Betty spots the spire of a cathedral at 22 degrees and Cathy spots the same spire at 30 degrees.

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Answer:

The height of the spire is 74 feet.

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3 years ago

What number should be added to the expression x^2+4x to change it into a perfect square trinomial?

sleet_krkn [62]

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$x^2+4x+4=(x+2)^2$

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3 years ago

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What is the 9th term of the following geometric sequence? 7/9,-7/3,7,-21,63 ??????

dmitriy555 [2]

Given:

The geometric sequence is:

$\dfrac{7}{9},\dfrac{-7}{3},7,-21,63,...$

To find:

The 9th term of the given geometric sequence.

Solution:

We have,

$\dfrac{7}{9},\dfrac{-7}{3},7,-21,63,...$

Here, the first term is:

$a=\dfrac{7}{9}$

The common ratio is:

$r=\dfrac{a_2}{a_1}$

$r=\dfrac{\dfrac{-7}{3}}{\dfrac{7}{9}}$

$r=\dfrac{-7}{3}\times \dfrac{9}{7}$

$r=-3$

The nth term of a geometric sequence is:

$a_n=ar^{n-1}$

Where, a is the first term and r is the common ratio.

Substitute $a=\dfrac{7}{9},r=-3,n=9$ to find the 9th term.

$a_9=\dfrac{7}{9}(-3)^{9-1}$

$a_9=\dfrac{7}{9}(-3)^{8}$

$a_9=\dfrac{7}{9}(6561)$

$a_9=5103$

Therefore, the 9th term of the given geometric sequence is 5103.

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3 years ago