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3 years ago

8

Find the coordinates

1 answer:

IrinaVladis [17]3 years ago

4 0

My Answer: X(-4, 6), Y(6, 5), Z(3, 8)

Explanation: Just add 2 to all x-values and 5 to all y-values

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Please help me with this problem

My name is Ann [436]

Answer:

$6A- 8B = \left[\begin{array}{ccc}56&50&-14\\-126&92&62\\-78&26&2\end{array}\right]$

Option A is correct.

Step-by-step explanation:

$A=\left[\begin{array}{ccc}-4&-1&-9\\-9&6&9\\-1&-1&3\end{array}\right] \\B=\left[\begin{array}{ccc}-10&-7&-5\\9&-7&-1\\9&-4&2\end{array}\right]$

We need to find 6A - 8B

Multiply matrix A with 6 and matrix B with 8 and then subtract 6A - 8B

$6A=\left[\begin{array}{ccc}-24&-6&-54\\-54&36&54\\-6&-6&18\end{array}\right] \\8B=\left[\begin{array}{ccc}-80&-56&-40\\72&-56&-8\\72&-32&16\end{array}\right]\\6A - 8B =\left[\begin{array}{ccc}-24-(-80)&-6-(-56)&-54-(-40)\\-54-(72)&36-(-56)&54-(-8)\\-6-(72)&-6-(-32)&18-(16)\end{array}\right] \\6A - 8B =\left[\begin{array}{ccc}-24+80&-6+56&-54+40\\-54-72&36+56&54+8\\-6-72&-6+32&18-16\end{array}\right] \\6A- 8B = \left[\begin{array}{ccc}56&50&-14\\-126&92&62\\-78&26&2\end{array}\right]$

So, $6A- 8B = \left[\begin{array}{ccc}56&50&-14\\-126&92&62\\-78&26&2\end{array}\right]$

Option A is correct.

3 0

3 years ago

Mrs. Goris bought 13 packs of goodie bags at the store for a huge Halloween party. There were 21 bags in each pack. How many goo

vovikov84 [41]

Answer:

200 + 60 + 10 + 3 = 273 bags :)

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

4. Mr. Edgett’s Algebra 2 class has both juniors and seniors. The ratio of juniors to seniors is 4:1. If he has 30 students in a

balu736 [363]

Answer:

Step-by-step explanation:

4•6 = 246=? (24)30÷ 5= 6= 16= 3066665 units = 30WaterOther drinks1 unit = 16= 16JuniorsSeniors1 unit = 6= 16

Mr. Edgett has 24 juniors in his class.

5 0

3 years ago

Read 2 more answers

How does Indian reservation have an effect on the Right of Occupancy

frozen [14]

Answer:

ask questions in class

Step-by-step explanation:

5 0

3 years ago

Find the value of y.

ch4aika [34]

Answer:

$\Huge\boxed{B.18.610}$

Step-by-step explanation:

Hello There!

We can find y by using trigonometric ratios

sine, cosine and tangent

$tan= \frac{opposite}{adjacent}$

the opposite of the angle that has a measure of 28 degrees is y and the side that is adjacent to the angle is 35

so...

$tan28=\frac{y}{35}$

now we solve for y using basic algebra

we want to isolate the variable (y) using inverse operations

to get rid of the 35 we multiply each side by 35

$\frac{y}{35} =y\\tan28*35=35tan28$

now we let the calculator do the rest of the work

$35tan(28)=18.60983011$

*round to the nearest thousandth*

we're left with

y = 18.610

hence your answer is B

5 0

3 years ago