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Trava [24]
3 years ago
6

............ pls help

Mathematics
2 answers:
shtirl [24]3 years ago
6 0

Answer:

6.7

Step-by-step explanation:

a2 + b2 = c2

6 2 + b2 = 9 2

36 + b2 = 81

<u>-36 .        - 36</u>

0 .             45

45 2

6.7

rewona [7]3 years ago
4 0
6.7 i really hope this helps if not let me know asap :)
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Find the area of a rectangle that is 16 3/5in. by 8 9/10
Alenkinab [10]
<h2>Greetings!</h2>

Answer:

Area is 147.74

Step-by-step explanation:

You need to recall that the equation for the area of a rectangle is:

Length * Width = area

So 16 3/5 * 8 9/10 = area

Rearrange so the whole numbers are being multiplied and the fractions are too:

We need to make the denominator same, this can be done by simply multiplying 3/5 by 2:

3/5 * 2 = 6/10

Now the two numbers can be written as 16.6 and 8.9.

Multiply both numbers by 10:

166 * 89 = 14774

Then divide this by 100 (two lots of division by 10)

14774 ÷ 1000 = 147.74

So the area of the rectangle is 147.74!


<h2>Hope this helps!</h2>
8 0
3 years ago
Simplify (1 − cos x)(1 + cos x).<br><br> 1<br> cos2 x<br> sin2 x<br> tan2 x
Phoenix [80]
Answer

The expression is equivalent to sin^{2}x

The first step is to multiply the two expressions between parentheses :
(II)
There is a trigonometric identity that states :

Working with this expression :
⇒
(I)
Using the equation (I) in (II) :
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Read more on Brainly.com - brainly.com/question/3907632#readmore
3 0
3 years ago
Vector u has initial point at (3, 9) and terminal point at (–7, 5). Vector v has initial point at (1, –4) and terminal point at
spin [16.1K]

Answer:

⟨-5, -1⟩

Step-by-step explanation:

Vector:

A vector is given by its endpoint subtracted by its initial point.

Vector u has initial point at (3, 9) and terminal point at (–7, 5)

Then

u = (-7, 5) - (3,9) = (-7 - 3, 5 - 9) = (-10,-4)

Vector v has initial point at (1, –4) and terminal point at (6, –1).

Then

v = (6,-1) - (1,-4) = (6-1,-1-(-4)) = (5,3)

What is u + v in component form?

u + v = (-10,-4) + (5,3) = (-10+5,-4+3) = (-5,-1)

⟨-5, -1⟩ is the answer.

3 0
3 years ago
Let R = {0, 1, 2, 3} be the range of h (x ) = x - 7. The domain of h inverse is
KonstantinChe [14]
Hello,


As h(x) is a bijection,
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Answer C
8 0
3 years ago
Read 2 more answers
A wild horse runs at a rate of 8 miles per hour for 6 hours. Let yy be the distance, in miles, the horse travels for a given amo
spin [16.1K]

Answer:

0\leq x\leq 6

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Step-by-step explanation:

we are given

speed =8 mph

time = 6 hours

so, we have

x=6

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distance = (speed)*(time)

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5 0
4 years ago
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