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kolezko [41]
3 years ago
11

HURRY, THIS IS TIMED!!!

Mathematics
1 answer:
otez555 [7]3 years ago
3 0

Answer:

Step-by-step explanation:

1. not equivalent

2. not equivalent

3. fully simplified

4.not fully simplified

5. not fully simplified

6. not fully simplified

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The circle is 5.5yd what is the circumference of half the circle
disa [49]

Answer:

You did not include enough information.  What part of the circle is 5.5 yards?  The diameter?  radius?  

Step-by-step explanation:

if 5.5 is radius then the formula is 2 x pi x 5.5  

if 5.5 is diameter then the formula is pi x 5.5

6 0
3 years ago
Kathie spent $38 on a fruit salad. She bought bananas, mangoes, and pineapples. Bananas cost $1 per pound, mangoes cost $2 per p
devlian [24]

Answer: X * 1 + Y * 3 + Z * 2 = 45

Step-by-step explanation: we will use bananas, apples and mangoes as the unknowns of the equation.

The value that you multiply to the unknowns will be multiplied by the price that corresponds to it.

These 3 products must be added to result in the total value that is 45.

X * 1 + Y * 3 + Z * 2 = 45

6 0
3 years ago
Read 2 more answers
Pls answer correct<br> for class 9 only
Len [333]

Answer:

hope it helps

Step-by-step explanation::

a) Consider a body having initial velocity 'u'. Suppose it is subjected to a uniform acceleration 'a' so that after time 't' its final velocity becomes 'v'. Now, from the definition of acceleration we know that:  

Acceleration =  Time taken  Change in velocity  or Acceleration =  time taken

                Final velocity- Initial velocity    

So, a=  t v−u

​ at=v−u  and, v=u + at  

where v= final velocity of the body

u= initial velocity of the body

a= acceleration

and t= time taken  

(b) Initial velocity, u=54km/h=15m/s

Final velocity, v=0m/s

Time, t=8s

Acceleration, a=?

a=  t v−u

​  =  8 0−15

​  =  8 −15 ​  m/s  2

=−1.875m/s  2

4 0
3 years ago
(x+2)(x-3)(x+5) is identical to x^(3)+ax^(2)-11x+b<br> Find the value of a and the value of b
lutik1710 [3]

Answer:

a = 4 and b = - 30

Step-by-step explanation:

Expand the left side and compare like terms on both sides, that is

(x + 2)(x - 3)(x + 5) ← expand the first pair of factors using FOIL

= (x² - x - 6)(x + 5) ← distribute

= x³ + 5x² - x² - 5x - 6x - 30 ← collect like terms

= x³ + 4x² - 11x - 30

Compare like terms with x³ +ax² - 11x + b

4x² and ax² ⇒ a = 4

+ b and - 30 ⇒ b = - 30

3 0
4 years ago
A special rectangular bathtub measures 132 cm long, 70 cm wide, and 40 cm high. How many cm3 of water are needed to fill the tub
Vikentia [17]
The second one same concept 132*70*40=369,600 but you need 3/4 full so 369,600*0.75=277,200 cm^3 of water

So <span>277,200 cm^3 of water is your answer</span>
5 0
3 years ago
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