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nadezda [96]
3 years ago
12

I need help it's geometry

Mathematics
2 answers:
ycow [4]3 years ago
6 0

Answer:

\frac{5\sqrt{2} }{2 }

Step-by-step explanation:

x=y

45-45-90 equation is x-x- x square root of 2

nekit [7.7K]3 years ago
3 0

Step-by-step explanation:

\sin(45)  =  \frac{x}{5}  \\   \frac{1}{ \sqrt{2} } =  \frac{x}{5}    \\ x =  \frac{5}{ \sqrt{2} }  = 3.535

\sin(45)  =  \frac{y}{5}  \\ y =  \frac{5}{ \sqrt{2} }  = 3.535

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Consider the function f(x) = x² – 3x – 4 and complete parts (a) through (C). (a) Find f(a+h); f(a+h)-f(a) (b) Find (c) Find the
Artist 52 [7]

Answer:

(a)

f(a+h)=a^{2} +2ah+h^{2} -3a-3h-4

(b)

f(a+h)-f(a)=2ah+h^{2} -3h

(c)

\frac{df(a+h)}{dx} \left \{ { \atop {a=7}} \right. =2h+11

Step-by-step explanation:

(a)

Simply evaluate (a+h) in the function:

f(a+h)=(a+h)^{2} -3(a+h)-4=a^{2} +2ah+h^{2} -3a-3h-4

(b)

Evaluate (a) in the function:

f(a)=a^{2} -3a-4

Using the previous answers lets calculate f(a+h)-f(a)

f(a+h)-f(a)=a^{2} +2ah+h^{2} -3a-3h-4-(a^{2} -3a-4)=2ah+h^{2} -3h

(c) To find the rate of change of f(a+1) when a=7 we need to calculate its derivate at that point:

\frac{df(a+h)}{dx} \left \{ { \atop {a=7}} \right. =2a+2h-3=2(7)+2h-3=2h+14-3=2h+11

7 0
3 years ago
Round 1,393 to the nearest thousand
myrzilka [38]
The answer is 1,000 4 or below you round down and 5 or higher you round up
6 0
3 years ago
Read 2 more answers
In every bar graph , line graph , or scatter plot , the vertical axis should include the following
alexgriva [62]
It should include zero
8 0
3 years ago
6. In right triangle ABC, mZC=3y-10,
lorasvet [3.4K]

Answer:

scalene

Step-by-step explanation:

step 1

Find the value of y

we know that

The sum of the interior angles in a triangle must be equal to 180 degrees

In this problem

m∠A+m∠B+m∠C=180°

substitute the given values

90\°+(y+40)\°+(3y-10)\°=180\°

Solve for y

4y+120=180

4y=180-120

4y=60

y=15

step 2

<em>Find the measure of angle B</em>

m∠B=(y+40)°

substitute the value of y

m∠B=(15+40)=55°

step 3

<em>Find the measure of angle C</em>

m∠C=(3y-10)°

substitute the value of y

m∠C=(3(15)-10)=35°

The three interior angles are different

so

The three sides of the ABC triangle will also be different

therefore

The right triangle ABC is scalene

6 0
3 years ago
NEED HELP ASAP!!!!!!!!
Ymorist [56]
<span>Segment EG is half the length of segment BH because of the Midsegment theorem</span>

5 0
3 years ago
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