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lapo4ka [179]
3 years ago
14

Which choice shows the image of figure 1 being transformed with a translation of 8 units left followed by a rotation of 180° aro

und the origin?

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
3 0

Answer:

Step-by-step explanation:

the left picture

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What is an equation of a line in point slope form that passes through the points (7,-8) and (-4,6)?
maw [93]

y=kx+b

for (7,-8): -8=7k+b. (function 1)

for (-4,6): 6=-4k+b (function 2)

Use function 2 - function 1

we get: 14=-11k

k=-14/11------>slope is -14/11

Now we know that first two options are wrong since they have the wrong slope for the function.

Plus -14/11 back to function 1/ or 2. Both are correct and can give you the answer. In this case I would plug it back to function 2.

6=14*4/11+b

b=66/11-56/11

b=10/11

We get y=-14/11x+10/11

subtract both side by 6.

y-6=-14/11x+10/11-66/11

y-6=-14/11x-56/11

y-6=-14/11(x+4)

So C is correct

5 0
3 years ago
Multiply.
Crank
The main rules that we use here are :

i) \sqrt{a \cdot b}=  \sqrt{a} \cdot \sqrt{b} for nonnegative values a and b.

ii) \sqrt{a} \cdot  \sqrt{a} =a.


Thus, first 'decompose' the numbers in the radicals into prime factors:

4 \sqrt{3} \cdot 10 \cdot  \sqrt{2\cdot2\cdot3}\cdot  \sqrt{2\cdot 3}\cdot  \sqrt{2}..

By rule (i) we write:

4 \sqrt{3} \cdot 10 \cdot \sqrt{2}\cdot \sqrt{2}\cdot \sqrt{\cdot3}\cdot \sqrt{2} \cdot  \sqrt{3} \cdot \sqrt{2}.

We can collect these terms as follows:

40 \sqrt{3}\cdot (\sqrt{3}\cdot \sqrt{3}) \cdot (\sqrt{2}\cdot \sqrt{2}) \cdot( \sqrt{2} \cdot \sqrt{2}), and by rule (ii) we have:

40 \sqrt{3}\cdot 3 \cdot 2 \cdot2=40\cdot12\cdot \sqrt{3}=480 \sqrt{3}.


Answer: 480 \sqrt{3}.
8 0
3 years ago
What is the number in scientific notation ? <br><br> 0.000000000093
yaroslaw [1]
0.000000000093 in scientific notation is 9.3 x 10 ^ -11
4 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=7.75%20divided%20by%204%201%2F2" id="TexFormula1" title="7.75 divided by 4 1/2" alt="7.75 divi
Andrew [12]

Answer:

2.64516129

Step-by-step explanation:

5 0
3 years ago
13. Given: AB//DC, Prove: Triangle ABE is congruent to Triangle DCE please help! I am so far behind on my work right now I will
scoundrel [369]
2.Alternate Interior angles theorem.
They given angles are alternate and interior when compared to each other, so they are congruent.  
3 Vertical angles theorem.
The two angles are vertical angles and are not congruent. 
4 Angle-Angle Similarity Postulate. 
Because there are two corresponding angles that are congruent they are similar triangles by the angle-anlge similarity postulate.
7 0
3 years ago
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