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iragen [17]
3 years ago
11

I am really confused with this question. Please help me.

Mathematics
1 answer:
Romashka-Z-Leto [24]3 years ago
6 0

Answer:

A is the right option

plz mark brainliest

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Solve for BC: Enter your answer in the box.
tamaranim1 [39]

Answer:

4\sqrt{4}

Step-by-step explanation:

This is an isosceles and right triangle at the same time

In fact, this triangle is called 45-45-90 special right triangle and the side lengths for this special triangle is as follows:

The sides that see the angle with measure 45 is represented with x

and

The side that sees the angle with measure 90 is represented with  x\sqrt{2}

one of the sides that has angle measure 45 is given as 4\sqrt{2}

to find the length of BC we we need to multiply 4\sqrt{2}  with \sqrt{2}

4\sqrt{2} *\sqrt{2} = 4\sqrt{4}

7 0
2 years ago
2>8−4/3h Solve the inequality
Goryan [66]
It'd be best if you were to enclose that fraction 4/3 inside parentheses:

<span>2>8−(4/3)h

Mult. all 3 terms by 3:            6>24 -4h
Add 4h to both sides:          +4h      +4h
                                           ------------------
                                            7+4h > 24
Subtract 7 from both sides:    -7       -7
                                            ------------------
                                              4h > 17

Then h>17/4 (answer)   Note:  We want h to be positive.  That's why I moved (-4/3)h to the other side of the = sign.</span>
8 0
3 years ago
What is the vertex of the graph of f(x) = x2 + 10x - 9? A) (-5, -34) B) (-5, -9) C) (5, -9) D) (5, 66)
sukhopar [10]

Answer:

A) (-5, -34)

Step-by-step explanation:

f(x) = x^2 + 10x - 9

We complete the square to get the equation in vertex form

Take the coefficient of the x term and divide by 2 then square it.  We add it and then subtract it not to change the value of the equation

f(x) = x^2 + 10x +(10/2)^2 - (10/2)^2 - 9

f(x) = x^2 +10x +25 -25 -9

f(x) = (x^2 +10x +25) -34

The term in parentheses simplified to (x+10/2) ^2

     = (x+5)^2 -34

   = (x - -5)^2 -34

This is in the form (x-h)^2 +k

The vertex is (h,k)  h=-5 and k=-34

(-5,-34)

4 0
3 years ago
Read 2 more answers
Y = 10 - 2x<br> x = y - 4<br> How do you solve this system using substitution?
astraxan [27]

Answer:

im not sure what answer you are trying to find but i hope this helped

Step-by-step explanation:

y = 10 - 2x

x = y - 4

(input x)

y = 10 - 2(y - 4)

y = 10 - 2y + 8

3y = 10 + 8

3y = 18

y = 6

4 0
3 years ago
Read 2 more answers
71% as a fraction in simplest form
maks197457 [2]
71/100 71 is aprime number, there fore it can only equally be divided by (whole numbers) itself and 1
3 0
4 years ago
Read 2 more answers
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