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quester [9]
3 years ago
11

Question 11????????

Mathematics
1 answer:
kykrilka [37]3 years ago
4 0
I think the answer is 2=2=2=2=

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25.5 is what percent of 60
OLEGan [10]
%/100 = is/of 
25.5%/100= x/60
The answer is 15.3

6 0
4 years ago
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Create a multi-step equation where the answer is 17. Write the equation and then show
Tanya [424]

Answer:

(1 + 4²) x (√25) ÷ 10 x (√4) = 17

Step-by-step explanation:

(1 + 16) x (5) ÷ 10 x (2) = 17

(17) x (5) ÷ 10 x 2 = 17

(85 ÷ 10) x 2 = 17

(8.5) x 2 = 17

17 = 17

Hope this helps buddy!

7 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Csqrt%7B6y%2B7%7D%3D5%2B%5Csqrt%7By-3%7D%20%5C%5CI%20get%20how%20to%20begin%20this%20but%20h
PilotLPTM [1.2K]

Answer:

\sqrt{6y+7} -\sqrt{y-3} =5\\(\sqrt{6y+7} -\sqrt{y-3} )^2=5^2\\\sqrt{6y+7} ^2+\sqrt{y-3} ^2-2\sqrt{(6y+7)(y-3)} =25\\6y+7+y-3-25=2\sqrt{(6y+7)(y-3)} \\7y-21=2\sqrt{(6y+7)(y-3)} \\(7y-21)^2=(2\sqrt{6y^2-18y+7y-21} )^2\\49y^2+441-294y=4(6y^2-11y-21)\\49y^2+441-294y=24y^2-44y-84\\49y^2-24y^2+441+84-294y+44y=0\\25y^2-250y+525=0\\25(y^2-10y+21)=0\\y^2-10y+21=0\\y^2-7y-3y+21=0\\y(y-7)-3(y-7)=0\\(y-7)(y-3)=0\\y-7=0 or y-3=0\\y=7 ,y=3

Step-by-step explanation:

8 0
3 years ago
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Find the area of an equilateral triangle with apothem of 5cm.
Pani-rosa [81]

Answer:

16.64645cm²

Step-by-step explanation:

All of the angles are equal: A = B = C = 180/3 = 60°.

All of the sides are equal: a = b = c.

h = 5 cm, sin60 = h/a = 5/a, a = 5/sin60 = 5.77 cm.

Area = 1/2bh = 1/2 x 5.77 x 5.77 = 33.2929/2 = 16.64645cm²

6 0
4 years ago
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F) One number is 78 more than
vladimir2022 [97]

Answer:

The larger number = 116

Step-by-step explanation:

Let the smaller number = x

Given that one number is 78 more than  another, so

The larger number = x+78

Given that if we add 12 to the  smaller number, the result is 50, so

x+12=50

subtract 12 from both sides

x+12-12=50-12

Simplify

x=38

Therefore,

  • The smaller number = 38
  • The larger number = x+78 = 38+78 = 116

Thus, the larger number = 116

7 0
3 years ago
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