3 years ago

What is the sum?? need help

Mathematics

1 answer:

SOVA2 [1]3 years ago

3 0

43+35=78 the answer is 78

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Triangle ABC has coordinates A(2, 4), B(5, 6), and C(1, 4). If the triangle is rotated 180° clockwise about the origin, what are

slamgirl [31]

Answer:

B'(-5,-6)

Step-by-step explanation:

The mapping for 180° clockwise rotation about the origin is:

$(x,y)\to (-x,-y)$

The find the image of B(5,6), we plug in x=5 and y=6 into the rule.

$(5,6)\to (-5,-6)$

Therefore the coordinates of B' are (-5,-6).

4 0

3 years ago

Write the quadratic function in standard form.<br> f(x) = -x2 + 2x + 4<br> f(x) =

goldenfox [79]

Answer:

$f(x)=-1(x-2)^2+8$

Step-by-step explanation:

Given:

The quadratic function is given as:

$f(x)=-x^2+2x+4$

The standard form of a quadratic function is given as:

$f(x)=a(x-h)^2+k$ , where, 'a', 'h' and 'k' are real numbers.

Now, in order to convert the given function to standard form, we use completing by square method.

$-x^2+2x=-(x^2-2x)=-[(x-2)^2-2^2]=-[(x-2)^2-4]=-(x-2)^2+4$

Now, $f(x)=-x^2+2x+4$ can be rewritten as:

$f(x)=-(x-2)^2+4+4\\f(x)=-1(x-2)^2+8$

Therefore, the standard form of the function is:

$f(x)=-1(x-2)^2+8$

7 0

3 years ago

One and one eighth equal g minus four and two fifths

Maurinko [17]

1 1/8 = g - 4 2/5
9/8 = g - 22/5
9/8 + 22/5 = g
45/40 + 176/40 = g
221/40 = g
5 21/40 = g

5 0

3 years ago

Can someone help me solve this

alexira [117]

Answer:

Step-by-step explanation:

First=4

Second=1 time

Third=3 turning points

8 0

3 years ago

(c/4)-2c=(5/4)-(c/2) solve for c

kvasek [131]

C/4 - 2c = 5/4 - c/2......multiply everything by 4
c - 8c = 5 - 2c
-7c = 5 - 2c
-7c + 2c = 5
-5c = 5
c = -5/5 = -1

5 0

3 years ago