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2 years ago

Examine the diagram. What is the m<1? O 21° O 42° O 71° O 82 °

Mathematics

1 answer:

Anna [14]2 years ago

4 0

Answer:

O 21 your ita not correct

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If a square has a length of 3x-y, what is its area?

SVEN [57.7K]

Answer:

9x² -6xy +y²

Step-by-step explanation:

The square of the binomial can be written directly using the relationship ...

(a +b)² = a² +2ab +b²

where you have a=3x and b=-y.

area = (3x -y)² = (3x)² + 2(3x)(-y) + (-y)²

area = 9x² -6xy +y²

7 0

3 years ago

Can't figure out this problem can anyone help if so thank you

Virty [35]

Answer:

10th term of the sequence = 0.537

Step-by-step explanation:

First three terms of the sequence are → 5, 4, $\frac{16}{5}$ ..........

Ratio of 2nd and 1st term of the sequence = $\frac{4}{5}$

Ratio of 3rd and 2nd term of the sequence = $\frac{\frac{16}{5} }{4}$

= $\frac{4}{5}$

Therefore, ratio between every successive term to the previous term is common.

Common ratio 'r' = $\frac{4}{5}$

First term of the sequence 'a' = 5

nth term of a geometric sequence = $a(r)^n$

Therefore, nth term of the given term will be $T_n=5(\frac{4}{5})^n$

Now we have to find the 10 term of the given sequence.

For n = 10,

$T_{10}=5(\frac{4}{5})^{10}$

= 0.53687

≈ 0.537

Therefore, 10th term of the sequence is 0.537

7 0

3 years ago

A wall is 20 feet long and requires 1,470 bricks to build. How high is the wall?

Arte-miy333 [17]

Answer: The height of wall is 10.5 feet.

Step-by-step explanation:

Since we have given that

Number of bricks to build = 1470

Length of wall = 20 feet

We need to find the height of wall.

As we know that

Bricklayer's formula is given by

$N=7LH\\\\1470=7\times 20\times H\\\\1470=140\times H\\\\\dfrac{1470}{140}=H\\\\10.5\ ft=H$

Hence, the height of wall is 10.5 feet.

3 0

3 years ago

calvin and 4 of his friends want to share 4 pounds of nuts equally.write an expression to show the fraction of the nuts each fri

PilotLPTM [1.2K]

4/5

The 4 is how many pounds of nuts there are and dividing by 5 shows that you are sharing the nuts equally amongst the 5 friends.

5 0

3 years ago

Round 87,255 to the nearest ten thousand.

Levart [38]

Answer:

90,000

Step-by-step explanation:

4 0

3 years ago