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Korvikt [17]
3 years ago
6

Solve them in order including the and put the estimates to the right of the exact

Mathematics
1 answer:
KiRa [710]3 years ago
3 0
#4 67. #2. 92 X 68 X 23. _736 201. 5 52 134 625 6 3 Estimate 1541. Est.6250
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The area of a rectangle is 47.5 square centimeters. The
vodka [1.7K]
SHORT ANSWER: 84cm

Let width = w

Let length = w + 5

The area of a rectangle is found by multiplying its width by length and the problem states that the area is 84 cm2.

(Width)(Length) = 84

(w)(w + 5) = 84

w2 + 5w = 84

w2 + 5w - 84 = 0

(w + 12)(w -7) = 0

w + 12 = 0

w = -12

The width of a rectangle can't be NEGATIVE!!! Forget about that!

w - 7 = 0

w = 7

Now go back to naming the variables and replace the w with 7.

Length = w + 5 = 7 + 5 = 12

Width is 7 cm. Length is 12 cm.

Check it. Is 7 x 12 = 84? Yes.
7 0
3 years ago
Read 2 more answers
find the length of the missing side. if your answer is not an integer, leave it in simplest radical form.
nordsb [41]

Answer:15h

Step-by-step explanation: because 8m+7m = 15h and the side the H is on is way bigger than the other sides so thats how you know your supposed to add.

4 0
2 years ago
Solve the equation and show all work please show steps!!<br> 4f + 11 = 29
natali 33 [55]
4f+11=29
4f=29-11
4f=18
f=9/2
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3 years ago
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Hello i am bored and wondering if anyone is down to zoom or sum
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3 years ago
Please help me with geometry.
disa [49]

Answer:

<h2>y = 6x + 9</h2>

Step-by-step explanation:

The slope-intercept form of an equation of a line:

y=mx+b

m - slope

b - y-intercept → (0, b).

Parallel lines have the same slope.

Therefore if <em>k</em>: y = 6x + 7 → m = 6, and <em>l</em>: y = mx +b,

then <em>l</em> is parallel to <em>k</em> if m = 6.

We have the equation: y = 6x + b.

The line <em>l</em> passes through (0, 9). Therefore b = 9.

Finally we have:

<em>y = 6x + 9</em>

6 0
3 years ago
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