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Roman55 [17]
3 years ago
6

X-9/>1............................................................

Mathematics
1 answer:
Readme [11.4K]3 years ago
7 0
Hehshdubshdhdhjdhdhdj
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Alice likes to go to Main Event to play laser tag and climb the rock wall each Saturday. Instead of purchasing the play pass, Al
Anna007 [38]

Answer:

1. $7 for climbing the rock

Step-by-step explanation:

x is the number of laser tags

y is the number of times climbed the rock

a. 2x + 3y = 31

b. 4x + y  =27

lets find y

<u>Step 1</u>

4x + y = 27

y = 27 -4x

<u>step 2</u>

replace y with 27 - 4x in the a.

2x + 3( 27 - 4x) = 31

2x + 81 - 12x = 31

2x -12x = 31 -81

x = 5

y = 27 - 4(5)

y = 7

6 0
3 years ago
9 ⅚ + 1 ¼ +____=14 i need the anwser right away
Tpy6a [65]

Answer:

-1/12

please mark brainliest it would help me a lot ❤️

Step-by-step explanation:

9 5/6 = 9 10/12

1 1/4=1 3/12

9 10/12+1 3/12=14 1/12

3 0
3 years ago
Help with some questions please Brainilest answer !/
murzikaleks [220]
Ok , lots of questions=lower standard of explanation
just answers


5. 8.5 times 10^12
6. 0.001260-7,003,000
7.3.843 times 10^4
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11. 1.03
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13. 10a√a
14. 2 x^{2}  y^{4}  \sqrt[3]{5x^{2}}
15.6√3
16. \frac{2 \sqrt{3x} }{3x}
17. 4 \sqrt[3]{x^{2}}
18.64 x^{ \frac{10}{3} }  y^{ \frac{5}{2} }
19.√109
20. (8,(3/2))
21. 5 units
4 0
3 years ago
Read 2 more answers
A right △ABC is inscribed in circle k(O, r). Find the radius of this circle if:
natta225 [31]

We have been given that a right △ABC is inscribed in circle k(O, r).

m∠C = 90°, AC = 18 cm, m∠B = 30°. We are asked to find the radius of the circle.

First of all, we will draw a diagram that represent the given scenario.

We can see from the attached file that AB is diameter of circle O and it a hypotenuse of triangle ABC.

We will use sine to find side AB.

\text{sin}=\frac{\text{Opposite}}{\text{Hypotenuse}}

\text{sin}(30^{\circ})=\frac{AC}{AB}

\text{sin}(30^{\circ})=\frac{18}{AB}

AB=\frac{18}{\text{sin}(30^{\circ})}

AB=\frac{18}{0.5}

AB=36

Wee know that radius is half the diameter, so radius of given circle would be half of the 36 that is \frac{36}{2}=18.

Therefore, the radius of given circle would be 18 cm.

8 0
4 years ago
14. 3 (a-2) -4 (29-3)=
DanielleElmas [232]
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8 0
3 years ago
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