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jeka57 [31]
3 years ago
12

b. Demonstrate that the two expressions are equivalent by substituting a with the value of 4, and then complete the sentence bel

ow.
Mathematics
2 answers:
Tanya [424]3 years ago
6 0
Hey bro just wanted tuitions know if we can come overhead to the woods and then
11Alexandr11 [23.1K]3 years ago
3 0

Answer

2x+5=43

Step-by-step explanation:

5 more than 2 times a number is 43

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Please help need help on this
UkoKoshka [18]
Looking at the data it looks like a line. So the answer will be in y+mx+b format.

Knowing it is a line eliminates answers b and c.
looking at options a is says it starts at about .1 when x is zero. We can see this looks pretty close as the left-most dot is below 1 already.

The slope on a is 1/2--> increasing 1 vertically for every 2 horizontally. The pattern mostly follows that rule.

Therefore a (y=1/2x+.1) would be the correct answer
7 0
3 years ago
Ana can finish a certain job in 10 hours. Together, Ana and Nina can finish the same job in 3 hours. How many hours can Nina fin
Over [174]

Answer:   4.5 hours

<u>Step-by-step explanation:</u>

Ana: \dfrac{1}{10}\ \text{job per hour}\\\\Nina: \dfrac{1}{x}\ \text{job per hour}\\\\Together: \dfrac{1}{3}\ \text{job per hour}\\\\\\Ana + Nina = Together\\\dfrac{1}{10}\quad +\dfrac{1}{x}\quad =\quad \dfrac{1}{3}\\\\\\\dfrac{1}{10}(30x)+\dfrac{1}{x}(30x) =\dfrac{1}{3}(30x)\\\\\\\rightarrow\quad 3x+30=10x\\\\.\quad 3x+30=10x\\\underline{-3x\qquad \quad -3x\quad}\\.\qquad \quad 30=7x\\\\.\qquad \quad \dfrac{30}{7}=\dfrac{7x}{7}\\\\\\.\qquad \quad \dfrac{30}{7}=x

.\qquad \quad 4.5=x

5 0
2 years ago
Kyle divided his stamps
Marat540 [252]

Answer:

18

Step-by-step explanation:

Each page has 6 stamps. There are 3 pages. This is a simple multiplication problem, and so you do 3x6 to find the total number of stamps Kyle has. Thus, 3 times 6 is 18.

visual:

Page One: 6 stamps

Page Two: 6 stamps

Page Three: 6 stamps

6 + 6 + 6 = 18 (or just do 6x3)

6 0
2 years ago
Marcus gardens. He pulls weeds for 18 minutes, Waters for 13 minutes, andplants for 16 minutes how many total minutes does he sp
Virty [35]

47 minutes gardening

7 0
3 years ago
Read 2 more answers
What time is it.But not the time right now the time in your heart.
bonufazy [111]

Answer:

dead UnU                                                    

explanation:

who knows O_o

7 0
3 years ago
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