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lozanna [386]
3 years ago
10

the pictograph below shows number of packages of different brand of batteries at a store sold on Fridaywhich statement is best s

upported by the information on the pictograph
Mathematics
1 answer:
Wewaii [24]3 years ago
8 0
I am happy to help... but <span>Please be more specific with your question. </span>
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Please explain fully and i give brainiest thanks and 5 stars
otez555 [7]

Answer:

a=7,\\b=3

Step-by-step explanation:

The area of a rectangle is equal to A=l\cdot w, where l is the length of the rectangle and w is the width of the rectangle. In a rectangle, opposite sides are equal.

Therefore, we can write the following system of equations:

\begin{cases}a\cdot (9+b)=84,\\a\cdot b=21\end{cases}

Expand the first equation:

9a+ab=84

Substitute the second equation into the first (ab=21):

9a+21=84,\\9a=63,\\a=\boxed{7}

Solving for b:

7b=21,\\b=\frac{21}{7}=\boxed{3}

8 0
3 years ago
Read 2 more answers
Determine whether the planes are parallel, perpendicular or neither. 2x − 4y + 3z = 5, x + 8y + 10z = 3
Nadya [2.5K]

Answer:

perpendicular

Step-by-step explanation:

separate the two equations

First equation in the form y=mx+c

4y=2x+3z

y=1/2x+3/4z

second equation in the form y=mx+c

8y=3-5x-10z

y=3/8-5/8x-10/8z

3 0
1 year ago
I need help please !
xxTIMURxx [149]

Answer:

72 + 12 / 35 + 7

84 / 42

2

hope it helps

7 0
2 years ago
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Lola already has 6 pennies, and she plans to save more. In her first week of saving pennies, she will save twice the
AfilCa [17]

Answer: C. p=6 x 2w

Step-by-step explanation:

5 0
3 years ago
The slope from 2 points
Eddi Din [679]
The slope would be 2/3!
8 0
3 years ago
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