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BartSMP [9]
3 years ago
7

Ruth is putting up a framed map of south america in her room. She wants it exactly halfway between her door and her closet, whic

h are 6.5 feet apart. If the map is 23 inches wide, how far will its sides be from the door and closet?
Mathematics
1 answer:
Marina86 [1]3 years ago
5 0

Answer:

27.5 inches

Step-by-step explanation:

1. convert 6.5 feet into inches

1ft = 12inches

6.5ft = 78

2. Subtract what the map will cover

78in-23in= 55 inches

3. Divide that number by 2 (since she wants spaces on both sides)

55/2= 27.5

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Three bacteria are ina dish. Each hour the number of bacteria increases by four. If at the end of the first hour there are 12 ba
Zanzabum

12+4=16 the second hour. (The first of the next three hours)

16+4=20 the third hour (the second of the next three)

20+4=24 the fourth hour( the last of the next three hours)

8 0
3 years ago
Today, the mailman sorted 57 letters during his first hour of work, 69 letters during his second hour, 81 letters during his thi
mars1129 [50]
The answer is 93 

If we sorted out the number of each hours, the sequence will look like this

57 _    69  _  81  _ x  _ 105   

(in which x is the fourth hour of work)


We can see from the sequence that each hours, the mailman add additional 12 letters.
(69 - 57 = 12)
(81 - 69 = 12)   . . . . proof


So, the amount of letters on the fourth hour would be:
81 letters  + 12 letters = 93 Letters
5 0
3 years ago
A blueprint of a plot of land has a scale of 1 1/2 cm to m. The length of land measures 15 cm on the blueprint. If l represents
spayn [35]

Answer: l = 82.5m

Step-by-step explanation:

11/2 x 15 = 82.5

6 0
3 years ago
Read 2 more answers
I need helpppppp asap
user100 [1]

Answer:

graph A

Step-by-step explanation:

When looking at a graph, there are two different axes. The vertical values--marked by the center up/down line--are "y-values"; and this is called the "y-axis"

The horizontal values--marked by the left/right line--are "x-values"; and this is called the "x-axis"

For the x-axis, values to the left side of the origin (the place where the y-axis and x-axis intercept) are smaller than 0--they are all negative values.

Values to the right side of the origin are positive--greater than 0.

For the y-axis, positive numbers are on the top half [once again, the midpoint / 0 is where the two lines are both = to 0; the origin] and negative numbers are on the bottom half.

Ordered pairs (points) are written as (x,y)

(x-value, y-value)

We are looking for a graph that decreases (along the y-axis), hits a point below the origin, and goes flat/stays constant.

When a graph is decreasing (note: we read graphs from left to right), the line of the graph is slanted downwards (it looks like a line going down).

So, if we look at the graphs, we can see Graph A descending, crossing the y-axis {crossing the middle line /vertical line / y-axis} at a value of -7, and then staying constant (it is no longer increasing or decreasing because the y-values stay the same)

hope this helps!!

4 0
1 year ago
Write the equation of a line that is perpendicular to the line that passes through (4,−3)and (−7,8).
masha68 [24]

Line perpendicular to a given line is = 1/m

To find m, use m =y2-y1/x2-x1 formula

m = (8-(-3))/(-7-4)

m = 11/-11,

m = -1

Use y= mx+c to find equation of line

Plug in a pair of values,

-3= -1(4)+ c

c= 1

Thus, equation is:

y = -x+1

Equation of line perpendicular to this line is:

y= x+1

Hope it helps :)

Pls mark it as Brainliest :)

3 0
3 years ago
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