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shtirl [24]
3 years ago
14

Which expression is equivalent to 3(4m - 5)?

Mathematics
1 answer:
77julia77 [94]3 years ago
4 0

Answer:

D. 12m-15

Step-by-step explanation:

3(4m-5)=3*4m-3*5=12m-15

You might be interested in
Domain of the function f(x)=3x/4x^2-4
yaroslaw [1]

Answer:

the complete question in the attached figure


we have that

f(x)=3x/(4x²-4)


we know that

the denominator can not be zero

so

(4x²-4)=0

4x²=4

x²=1----> x=(+/-)√1

x1=1

x2=-1

the values ​​of x=1 and x= -1 make the denominator zero, therefore they do not belong to the domain of the function


the answer is

the domain of the function is all real numbers except 1 and -1




8 0
3 years ago
A brand new filled jar of salsa is 11 cm tall and a has a radius of 6 cm. Kelly eats some of the salsa and the salsa in the jar
Sonbull [250]

Before we begin please note that a jar is always cylindrical in shape if not mentioned otherwise. Thus, we will take a cylindrical jar in this case.

Since Kelly eats some of the salsa and the salsa in the jar is now 6 cm high, we know that Kelly ate the amount of Salsa whose volume is missing from the jar.

To find the missing volume on the Salsa jar all that we need to do is to find the height of the missing volume which is given to us as h= 6 cm. We already know that the radius of the jar, r=6 cm. Thus, the amount of Salsa Kelly has eaten is:

V=\pi(6)^2\times 6\approx678.6\approx679 cm^3

Thus, the third option is the correct answer

8 0
3 years ago
Read 2 more answers
10. Joseph and Tabitha were hiking and had a choice between two trails. One was
Nataly [62]

Answer:

10+5=15 sow longer trail is 15

3 0
2 years ago
What is the answer ​
Molodets [167]

Answer:

the y axis is the answer

4 0
3 years ago
Can someone please explain why 33 and 35 are these answers?
nordsb [41]
For #32,
P=2L+2W
Subtract 2W from both sides, and swap left and right
2L = P-2W
Divide by 2
2L/2=(P-2W)/2
L = P/2 - 2W/2
L=P/2 - W

For #35
Most of the expenses are in fractions (of the original amount, A), so they can be added:
A/4 + A/5 + 2A/5 + 750  = A
add the fractions, with a common denominator of 20,
5A/20 + 4A/20 + 8A/20 +750  = A
(5A+4A+8A)/20 +750 = A
17A/20 + 750 = A

Now subtract 17A/20 from both sides and swap left and right
A - 17A/20 = 750
(3/20)A = 750

Multiply both sides by 20/3  (to make one unit of A on the left)

(3/20)*(20/3) A = 750*20/3
A =250*20=5000

7 0
3 years ago
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