3 years ago

I need help with this please, i need it fast

Mathematics

1 answer:

shtirl [24]3 years ago

7 0

Answer:

angle equals 15.466 so Answer A, 15.47

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Answer these questions that go along with the answer.

kotykmax [81]

Answer:

1. (0,4)

2. because x-3 would fall on the line eventually

3. decreasing

Step-by-step explanation:

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3 years ago

Consider the table of the powers of 8. A 1-column table with 6 rows. Column 1 is labeled Power of 8 with entries 8 cubed = 512,

maw [93]

1=b

Step-by-step explanation:

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3 years ago

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FH is the altitude to the hypotenuse EG. what is the length of FH. Really need some help with this!

Leviafan [203]

Answer:

Option A is correct

Step-by-step explanation:

Given: FH is the altitude to the hypotenuse EG

To find: length of FH

Solution:

According to Pythagoras theorem, square of hypotenuse is equal to sum of squares of other two sides.

In $\Delta EHF$ ,

$\angle EHF=90^{\circ}$

So,

$EF^2=EH^2+FH^2$

Put EH = 6 units and EF = 7 units

$7^2=6^2+FH^2\\49=36+FH^2\\49-36=FH^2\\13=FH^2$

Option A is correct

Take square root on both sides

$FH=\sqrt{13}=3.606\,\,units$

6 0

4 years ago

Simplify using the horizontal method. (3n^2+5n+4)(2n-3)

erica [24]

(3n^2 + 5n + 4)(2n - 3)
= 6n^3 + 10n^2 - 9n^2 + 8n - 15n - 12
= 6n^3 + n^2 - 7n - 12

4 0

4 years ago

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Annie estimates that the height of a bookcase is 78.25 in. The actual height is 75.50 in.

tankabanditka [31]

Answer:

The percentage error is 3.6 % .

Step-by-step explanation:

Formula

$Error\ percentage = \frac{Error\times 100}{Exact\ value}$

$Error = \left |Approx - Exact \right |$

As given

Annie estimates that the height of a bookcase is 78.25 in. The actual height is 75.50 in.

Here

Approx value = 78.25 in

Exact value = 75.50 in

$Error = \left |78.25 - 75.50\right |$

Error = 2.75

Put in the formula

$Error\ percentage = \frac{2.75\times 100}{75.50}$

$Error\ percentage = \frac{275}{75.50}$

Error percentage = 3.6 %

Therefore the percentage error is 3.6 % .

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3 years ago

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