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Paul [167]
3 years ago
12

56/34 help i could get it

Mathematics
2 answers:
disa [49]3 years ago
8 0
1.647058824 this is the answer hope I helped
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OLga [1]3 years ago
4 0
1.647058824 is the answer
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the length of a rectangle is 8cm more than the width and its area is 172cm2 .find the width of the rectabgle
nikdorinn [45]
l-the\ length\\l+8-the\ width\\A=172\ cm^2\\\\A=lengtf\cdot width\\\\subtitute\\\\l(l+8)=172\\\\l^2+8l=172\ \ \ |subtract\ 172\ from\ both\ sides\\\\l^2+8l-172=0\\a=1;\ b=8;\ c=-172\\\\\Delta=b^2-4ac\\\\\Delta=8^2-4\cdot1\cdot(-172)=64+688=752 > 0\\\\l_1=\dfrac{-b-\sqrt\Delta}{2a}\ and\ l_2=\dfrac{-b+\sqrt\Delta}{2a}\\\\\sqrt\Delta=\sqrt{752}=\sqrt{16\cdot47}=4\sqrt{47}\\\\l_1=\dfrac{-8-4\sqrt{47}}{2\cdot1}=-4-2\sqrt{47} < 0\\\\l_2=\dfrac{-8+4\sqrt{47}}{2\cdot1}=-4+2\sqrt{47} > 0\\\\The\ width:l+8=-4+2\sqrt{47}+8=4+2\sqrt{47}\\\\Answer:\boxed{length=(2\sqrt{47}-4)cm;\ width=(4+2\sqrt{47})cm}
length\approx9.71cm;\ width\approx17.71cm
4 0
3 years ago
Tino and Kate are tailors sewing buttons on shirts . Each shirt needs 8 buttons . Together, the tailors attach 80 buttons . If t
Crazy boy [7]
If each shirt needs eight buttons you find out what times (×) Eight equals (=) 80
8×10=80
So Eight buttons per shirt
So together they made 10 shirts
but they ask how many Timor made so you do 10 ÷ 2= 5

Timor Made Five (5) Shirts
8 0
3 years ago
Read 2 more answers
Find the area of the shaded figure
nikitadnepr [17]

Answer:

forst find the area of the whole rectangle and then the area of the unshaded triangles then add the area of the two triangle and subtract it with the area of the rectange

Step-by-step explanation: area of rectangle is length × breadth and area of triangle is 1/2 × base × height

3 0
2 years ago
Suppose all left-handed people are excluded from a sample. What is this an example of?
aleksandrvk [35]
A or c not b or d i think
4 0
4 years ago
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(a) 34 is 85% of what number?<br> (b) What is 15% of 80?
lana [24]

Answer:

A. 40.          B.12

Step-by-step explanation:

40/34=.85

80*.15=12

6 0
3 years ago
Read 2 more answers
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