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3 years ago

7

ΔABC will undergo two transformations to give ΔA′B′C′. Which pair of transformations will give a different image of ΔABC if the

order of the transformations is reversed?

2 answers:

Neko [114]3 years ago

8 0

AnsweR: if you’re on Plato, the answer is A

xxTIMURxx [149]3 years ago

6 0

-a rotation 90° counterclockwise about the origin followed by a reflection across the y-axis

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If I want to buy a pair of sunglasses and the original price is $120, how much will I pay if they are 50% off? What if they were

gogolik [260]

Answer:

$60, $90

Step-by-step explanation:

Amount paid when 50% off

=$ 120 - 50/100 * 120 = $ 120 - $60 = $60

Amount paid when 25% off

=$ 120 - 25/100 * 120 = $ 120 - $30 = $90

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3 years ago

What is the solution of the equation x2 + 8x = 4?

d1i1m1o1n [39]

Answer:

hope this is correct

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3 years ago

Find -7a-6B (Picture provided)

sertanlavr [38]

Answer:

Option c

$-7A-6B=\left(\begin{array}{ccc}40&-106&-32\\-46&43&25\\82&-62&-18\end{array}\right)$

Step-by-step explanation:

First multiply matrix A by -7.

Then multiply the matrix B by -6.

When multiplying a matrix by a number x you must multiply each element of the matrix by x.

<em><u>Then we perform operation -7A </u></em>

$-7\left(\begin{array}{ccc}-10&10&8\\-2&-1&5\\-4&8&-6\end{array}\right)=\left(\begin{array}{ccc}70&-70&-56\\14&7&-35\\28&-56&42\end{array}\right)$

<u><em>Now we perform operation -6B </em></u>

$-6\left(\begin{array}{ccc}5&6&-4\\10&-6&-10\\-9&1&10\end{array}\right)=\left(\begin{array}{ccc}-30&-36&24\\-60&36&60\\54&-6&-60\end{array}\right)$

Now we add the resulting matrices

$\left(\begin{array}{ccc}70&-70&-56\\14&7&-35\\28&-56&42\end{array}\right)+\left(\begin{array}{ccc}-30&-36&24\\-60&36&60\\54&-6&-60\end{array}\right)=\left(\begin{array}{ccc}40&-106&-32\\-46&43&25\\82&-62&-18\end{array}\right)$

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3 years ago

Solve for x. *<br><br> Also, Are the angles complementary or supplementary?

Anton [14]

Supplementary: straight line is 180 degree
x + (x-6) = 180
2x = 186
X = 93

3 0

3 years ago

35% of what number is 56

Stella [2.4K]

$\frac{35}{100}*x=56 =\ \textgreater \ x= \frac{100*56}{35}= \frac{20*56}{7}= 20*8=160$

4 0

3 years ago