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k0ka [10]
3 years ago
10

The area of a rectangular coffee table is given by the trinomial x2 + 7x – 8. The table’s length is x + 8. What is the table’s w

idth?
Mathematics
1 answer:
motikmotik3 years ago
3 0

Answer:

9x - 8

Step-by-step explanation:

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Jun plans to cover his patio with the dimensions shown below in bricks. Each case of bricks covers 12 square feet. How many case
mash [69]

Answer:

30 with extra

Step-by-step explanation:

It would be 29 and a little more but she would need 30 and have leftovers.

7 0
2 years ago
Read 2 more answers
Ava decided to move the cabinet to the
geniusboy [140]

Transformation involves moving a shape away from its original position

  • The transformation to move the cabinet to a new position is translation
  • The transformation to place the chair directly across the couch is reflection

<em>The required diagrams to answer this question are missing; so, I will provide a general exam</em>

<em />

<u>(a) Moving the cabinets</u>

The question says that the cabinets are moved away from their original position.

Since terms like <em>"rotation" or "reflection"</em> are not used, then the general transformation used for "moving" is translation.

Hence, the transformation is translation

<u>(b) Changing the position of the chairs</u>

The question says that the chairs would be placed directly across the couch.

The term "directly across" is used for reflection of a shape.

Hence, the transformation is reflection

Read more about transformation at:

brainly.com/question/11709244

3 0
1 year ago
A ladder 10 feet long rests against a vertical wall. Initially, the top of the ladder is 8 feet above the ground. If the top of
lora16 [44]

Step-by-step explanation:

Let vertical height of ladder from ground be y and

horizontal distance of the base of the ladder from the wall be x respectively.

Length of the ladder = l (constant) = 10 ft

<u>Using Pythagoras theorem</u>:

{l}^{2}  =  {y}^{2}  +  {x}^{2}

Differentiate both sides w.r.t time

0 = 2y \frac{dy}{dt}  + 2x \frac{dx}{dt}

y \frac{dy}{dt}  + x \frac{dx}{dt}  = 0

<u>We know that</u> (After 1 sec, y = 6 ft and x = 8 ft ; dy/dt = 2 ft/sec)

6\times 2 + 8\frac{dx}{dt}  = 0

\frac{dx}{dt}  =  - 1.5 ft  \: per \: sec

<u>( Ignore - ive sign)</u>

Therefore, bottom of the ladder is sliding away from the wall at a speed of 1.5 ft/sec one second after the ladder starts sliding.

8 0
3 years ago
A box contains 5 blue beads, 4 yellow beads and 3 purple beads.
Gennadij [26K]

Answer:

A: 1/22

B: 3/44

C: 41/44

D: 3/11

Step-by-step explanation:

Hope this help : )

7 0
2 years ago
You order from a catalog the following office supplies: 10 boxes of paper, each box is 6 pounds and 36 boxes of pens, each box w
ipn [44]

It would be $40.50 because the pens are 27 pounds and the first 20 office supplies are $12, the next 30 are $10, and the remaining 37 would be $18.50


3 0
3 years ago
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