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dexar [7]
3 years ago
10

I need help is it A B C or D

Mathematics
2 answers:
MA_775_DIABLO [31]3 years ago
4 0
The answer for your question is B
hoa [83]3 years ago
4 0
The Correct Answer Would Be "B"
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Mrs. Dixon made 4 trays of salad for the family picnic. The family ate 3/5 of the trays​
Stella [2.4K]

Answer:

2 2/5

Step-by-step explanation:

4 x 3/5

12/5 = 2 2/5

Hope I helped!

7 0
2 years ago
Find the area of a regular octagon with a side length of 4 cm.​
goblinko [34]

Answer:

77.25 cm^2

Step-by-step explanation:

Area of a regular octagon :

2a^2(1 + (sqrt2))

where a is the side

substitute 4 in for 'a'

6 0
2 years ago
F(x) = <img src="https://tex.z-dn.net/?f=%5Csqrt%7Bx%2B7%7D%20-%5Csqrt%7Bx%5E2%2B2x-15%7D" id="TexFormula1" title="\sqrt{x+7} -\
elena-s [515]

Answer:

x >= -7  ................(1a)

x >= 3   ...............(2a1)

Step-by-step explanation:

f(x) =  \sqrt{x+7}-\sqrt{x^2+2x-15}  .............(0)

find the domain.

To find the (real) domain, we need to ensure that each term remains a real number.

which means the following conditions must be met

x+7 >= 0  .....................(1)

AND

x^2+2x-15 >= 0 ..........(2)

To satisfy (1),  x >= -7  .....................(1a) by transposition of (1)

To satisfy (2), we need first to find the roots of (2)

factor (2)

(x+5)(x-3) >= 0

This implis

(x+5) >= 0 AND (x-3) >= 0.....................(2a)

OR

(x+5) <= 0 AND (x-3) <= 0 ...................(2b)

(2a) is satisfied with x >= 3   ...............(2a1)

(2b) is satisfied with x <= -5 ................(2b1)

Combine the conditions (1a), (2a1), and (2b1),

x >= -7  ................(1a)

AND

(

x >= 3   ...............(2a1)

OR

x <= -5 ................(2b1)

)

which expands to

(1a) and (2a1)   OR  (1a) and (2b1)

( x >= -7 and x >= 3 )  OR ( x >= -7 and x <= -5 )

Simplifying, we have

x >= 3  OR ( -7 <= x <= -5 )

Referring to attached figure, the domain is indicated in dark (purple), the red-brown and white regions satisfiy only one of the two conditions.

3 0
3 years ago
Read 2 more answers
Can you answer this please
Flauer [41]

Look at the attachment!

Thanks. (I can’t see the Tuesday 24 Question 5, sorry.)

5 0
3 years ago
What’s the numerator for the following rational expression
Zanzabum
<span>(x/y)+(3/y)=(x+3)/y

the answer is 
the numerator for the following rational expression</span> is x+3

3 0
3 years ago
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