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2 years ago

5

Which angle number represents an angle vertical to∠CHF?

2 answers:

PSYCHO15rus [73]2 years ago

7 0

Step-by-step explanation:

The angle vertical to < CHF is

< EHD

Hope it will help :)

Grace [21]2 years ago

6 0

It should be angle DEH

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What is BE ?<br> Please explain it in full dont just give me an answer

posledela

There are two methods to solve this problem. One of them is the typical method and the other one is the short-cut. I will explain the shortcut

Short-cut:
This method is quick and easy, and works with ALL triangles, which is why I suggest you use this. You make proportions. Since the triangles are similar, we can use CPCTC. Thereafter,
$\frac{AD}{CE}= \frac{DB}{EB}$

Now, you just need to identify the terms, substitute, and solve for the unknown, which would be k.

$\frac{12}{3} = \frac{k+5}{k-7} \\ 12(k-7)=3(k+5) \\ 12k-84=3k+15 \\ 9k=84+15 \\ 9k=99 \\ k=11$ [/tex]

So we found k, but it is asking for BE. Therefore, plug in the value of k, which is 11, into the expression for BE, which is k-7.

BE=K-7
k=11
BE=11-7
BE=4

Your answer is 4.

5 0

2 years ago

Which function is the inverse of f(x) = 2x+37

WINSTONCH [101]

Answer:

$f^{-1} (x)=\frac{x-3}{2}$

Step-by-step explanation:

y = f(x)

y = 2x+3

You need to switch the places of x and y, into this:

x = 2y + 3

Then solve for y:

2y = x-3

$y=\frac{x-3}{2}$

$f^{-1} (x)=\frac{x-3}{2}$

3 0

3 years ago

Find the value of each expression 12a+c-b

FinnZ [79.3K]

Answer:

We need more info, take a picture of the qustion

Step-by-step explanation:

8 0

2 years ago

Find the value of y

lana [24]

Step-by-step explanation:

Use the Pythagorean Theorem: a^2+b^2=c^2

We can set up the equation like this: 11^2+y^2=61^2

= 121+y^2=3,721

=y^2=3600

= y = 60

6 0

2 years ago

1. For each problem, use the properties of inequalities to write a true inequality statement.

vlabodo [156]

Part a) The true inequality statement is: $-2>-5$

Part b) The true inequality statement is: $-4>-7$

Part c) The true inequality is $6$

Step-by-step explanation:

We are given the two integers are -2 and -5.

Part a)

Write a true inequality statement.

The true inequality statement is: $-2>-5$

Part b)

Subtract-2 from each side of the inequality. Write a true inequality statement.

Subtracting -2 from each side we get:

$-2>-5\\-2-2>-5-2\\-4>-7$

The true inequality statement is: $-4>-7$

Part c)

Multiply each number by-3. Write a true inequality statement.

Multiplying -3 on both sides:

$-2>-5\\-2*-3>-5*-3\\Multiplying\,\,-3\,\,will\,\,change\,\,the\,\,inequality\,\,sign\\6$

The true inequality is $6$

Keywords: Solving inequalities

Learn more about Solving inequalities at:

#learnwithBrainly

8 0

3 years ago