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VARVARA [1.3K]
2 years ago
9

Tatiana is buying b number of books and m number of magazines at the book fair. The books cost $4 each and the magazines cost $2

each. Tatiana's total purchase can be shown with this expression: 4b + 2m. Which expression is equivalent to 4b + 2m?

Mathematics
2 answers:
Shtirlitz [24]2 years ago
8 0

Answer:

2(2b + m)

Step-by-step explanation:

We can simplify the expression given in the question using factoring:

4b + 2m

(2 x 2)b + (2 x 1)m

2(2b + m)

scoray [572]2 years ago
8 0
I would sag 2(2b+2m) because 2x2 = 4 and you add the b 4b. 4b+2m
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I will give brainliest away if you solve this for me please.
Elis [28]

Turn both equations into slope-intercept form [ y = mx + b ].

x + 3y = 3

~Subtract x to both sides

3y = 3 - x

~Divide 3 to everything

y = 1 - x/3

~Reorder

y = -1/3x + 1

4x + 3y = -6

~Subtract 4x to both sides

3y = -6 - 4x

~Divide 3 to everything

y = -2 - 4x/3

~Reorder

y = -4/3x - 2

Graph of the equations will be shown below. Note that the solution of graphing two equations will be where both equations intersect. Both lines intersect at (-3, 2), hence making that the solution.

Best of Luck!

8 0
2 years ago
Read 2 more answers
What is equivalent to 5-squared3
pentagon [3]

Answer: 125

Step-by-step explanation:

5^3=5*5*5=125

-5^3=(-5)*(-5)*(-5)=25*(-5)=-125

5 0
3 years ago
PLEASE HELP!!!!!!!!!!!!!!!!!!!!
Semmy [17]
The answer would be 167 I believe
7 0
3 years ago
The probability that an electronic device produced by a company does not function properly is equal to 0.1. If 10 devices are bo
pantera1 [17]
Answer is A hope this helps :)
8 0
3 years ago
Courtney walks 1 mph slower than Brandi does. In the time that it takes Brandi to walk 6.5 mi, Courtney walks 5 mi. Find the spe
posledela

Answer:

Courtney's walking speed = 3.33mph

Brandi's walking speed = 4.33 mph

Step-by-step explanation:

Let x = Courtney's walking speed

then

(x + 1) = Brandi's walking speed

:

Time = Distance/speed

Brandi walks 6.5 mi time = Courtney walks 5 mi time

6.5/x + 1 = 5/x

Cross multiply

6.5x= 5(x+1)

6.5x= 5x + 5

6.5x - 5x = 5

1.5x = 5

x = 5/1.5

x = 3.33 mph is Courtney's walking speed

Note that:

(x + 1) = Brandi's walking speed

3.33mph + 1 = 4.33mph

Therefore,

Courtney's walking speed = 3.33mph

Brandi's walking speed = 4.33 mph

4 0
2 years ago
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