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Levart [38]
3 years ago
13

Lify 8 7x2-x+8 – 5x2 + 3x – 10

Mathematics
1 answer:
zalisa [80]3 years ago
6 0

Answer: (-5x2 - 8x + 7) - (5x2 - 4)

Step-by-step explanation:

= -5x2 - 8x + 7 - 5x2 + 4

= -5x2 - 5x2 - 8x + 7 + 4

= -10x2 – 8x + 11

Answer: = (-5x2 - 8x + 7) - (5x2 - 4)

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Calculate the simple interest on R4 400 at 4% per annum for 7 years.​
Alja [10]

Step-by-step explanation:

4400×4×7/100 = 1232 as per formula simple interest = p×r×t/100

5 0
3 years ago
Jay mows 1 lawn every day monday through saturday he is pay $25 for each lawn how much money does jay earn mowing lawn's
yKpoI14uk [10]
He would be payed 150 dollars because it's 6 days times 25 dollars a day
7 0
3 years ago
NEED HELP
Reptile [31]

Answer:

B I'm pretty sure

Step-by-step explanation:

6 0
3 years ago
Wendy keeps her hamster, Fluffy, in a cage shaped like a rectangular prism that is 20 inches long, 14 inches wide, and has a vol
Alex17521 [72]

Speedy cage is 2 inches taller than fluffy cage.

<h3>How to find the volume of a rectangular prism?</h3>

The volume of rectangular prism = lwh

where

  • l =length
  • h = height
  • w = weight

Therefore,

height of fluffy cage can be calculate as follows:

4340 = 20 × 14 × h

4340 = 280h

h = 4340 / 280

h = 15.5 inches

height of Kenneth cage can be calculate as follows:

5250 = 20 × 15 × h

5250 = 300h

h = 5250 / 300

h = 17.5 inches

height difference = 17.5  - 15.5 = 2.0 inches

Hence, speedy cage is 2 inches taller than fluffy cage.

learn more on volume here: brainly.com/question/23997886

#SPJ1

5 0
2 years ago
Can anyone help me solve ...​
DochEvi [55]

Answer:

a)    x= 34°

b)    x = 51°

Step-by-step explanation:

Points to keep in mind when solving  triangle problems.

An isosceles triangle has two equal sides and the angles opposite to those sides are also equal angles.

A triangle with all sides equal is called an equilateral triangle, which is also called equiangular triangle.  

8 0
3 years ago
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