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Scilla [17]
3 years ago
7

Five notebooks cost $20 at this rate how much would 4 notebooks coat?

Mathematics
2 answers:
Andrews [41]3 years ago
7 0

Answer:

16

Step-by-step explanation:

$20/5notebooks=$4 each

4$*4notebooks=16$

vagabundo [1.1K]3 years ago
3 0

Answer:

$16

Step-by-step explanation:

if 5=20 then 20÷5=4 and 4x4=16

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Give the most precise selection
Art [367]

Answer:

I think square

Cause it is having 4 sides and in ur question the were 4 vertuces so i think its a square

8 0
3 years ago
Read 2 more answers
A 12.3-ounce package costs $2.99. What is the unit price?
IRINA_888 [86]

Answer:

$0.243089430894309 Per ounce

Price divided by ounces gives you the unit price. Since this is an unreal number when talking about price it will be $0.24 per ounce.


3 0
3 years ago
The length of a string is L inches. Samantha cuts it into two unequal pieces such that the length of the small piece is 35% of L
skelet666 [1.2K]

Answer:

The shorter piece   x  =  8.4 in

The longer one    y  =  15.6 in

Step-by-step explanation:

If we cut  a string length  L  in to unequal  pieces we get two pieces

first one with length  x  and the other one with length  y

Let call  x  the smaller piece,  then   y = L  -  x will be the longer one

If   x  =  35 %    then

x  =  0,35* L     and

y = L -  x  =  L - 0,35*L      ⇒  y  =  0,65 L     ⇒ y  =  0.65*24

Now if L  =  24  in

x  =  0,35*24          ⇒               x = 8.4 in

and

L  -  x  =  0.65*L      ⇒       L - x  =  0.65*24     y  =  L  -  x  =  15.6 in

as way of verification you can add the length of the two pieces and find:

8.4  +  15.6  = 24 in

4 0
3 years ago
Hello can you help meee
VARVARA [1.3K]

Answer:

x=4\sqrt{2}

Step-by-step explanation:

The given triangle is a 45°-45°-90° triangle. Use the following rule:

leg=leg\\\\hypotenuse=leg*\sqrt{2}

The length of the legs is 4. Insert this value into the equation:

h=4*\sqrt{2}

Simplify:

h=4\sqrt{2}

:Done

7 0
3 years ago
Help me please please
Elanso [62]
All three angles of a triangle add up to 180 degrees.

\sf 146+x=180

Subtract 146 to both sides:

\sf x=34\textdegree

So your answer is B.
8 0
3 years ago
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