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Montano1993 [528]
3 years ago
13

(3x- 1) 71 solve for the equation and x please

Mathematics
1 answer:
Ksivusya [100]3 years ago
4 0

Answer:

x=24

Step-by-step explanation:

The opposite angles are equal as per certain theorems.

3x-1=71

3x=72

x=24

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What is the area of the wall that will be painted
svp [43]

Answer:

B. 104

Step-by-step explanation:

Just find the area of the wall and subtract the area of the window. The area of the wall is 10 times 11 which is 110. The area of the window is 2 times 3 which is 6. 110 minus 6 is 104.

6 0
3 years ago
1st. (2 root 2 + root 3 ) ( 2 root 3 - root 2)
satela [25.4K]

Answer:

1st: 3*root6 + 5

2nd: 35*root2 + 115

3rd: 24*root2 - 20*root6 + 15*root3 - 18

4th: 17*root6 - 38

5th: 13*root10 - 42

Step-by-step explanation:

To simplify these expressions we need to use the distributive property:

(a + b) * (c + d) = ac + ad + bc + bd

So simplifying each expression, we have:

1st.

(2 root 2 + root 3 ) ( 2 root 3 - root 2)

= 4*root6 - 2*2 + 2*3 - root6

= 3*root6 - 4 + 9

= 3*root6 + 5

2nd.

(root 5 + 2 root 10) (3 root 5 + root 10)

= 3 * 5 + root50 + 6*root50 + 2*10

= 15 + 5*root2 + 30*root2 + 100

= 35*root2 + 115

3rd.

(4 root 6 - 3 root 3) (2 root 3 - 5)

= 8*root18 - 20*root6 - 6*3 + 15root3

= 24*root2 - 20*root6 + 15*root3 - 18

4rd.

(6 root 3 - 5 root 2 ) (2 root 2 - root 3)

= 12*root6 - 6*3 - 10*2 + 5*root6

= 17*root6 - 18 - 20

= 17*root6 - 38

5th.

(root 10 - 3 ) ( 4 - 3 root 10)

= 4*root10 - 3*10 - 12 + 9*root10

= 13*root10 - 30 - 12

= 13*root10 - 42

8 0
3 years ago
Which number is a solution for the inequality below?
nasty-shy [4]

Answer:

D 90

Step-by-step explanation:

x/4 ≥ 20

Multiply each side by 4

4*x/4 ≥ 20*4

x ≥ 80

The only number greater than or equal to 80 is 90

7 0
3 years ago
Read 2 more answers
BRAINLEST<br>what is the value of the function at x=2​
BARSIC [14]

Answer:

y = - 3

Step-by-step explanation:

Locate x = 2 on the x- axis, then go down vertically to meet the line. At this point read off the corresponding value on the y- axis, thus

The value of the function at x = 2 is y = - 3

3 0
3 years ago
Solve the equation.
Dafna1 [17]

Hi there!

<u>Here are all the steps into solving this equation :</u>

\frac{9z+4}{5} <u>- 8</u> = 5.4

Add 8 on each side of the equation → 5.4 + 8 = 13.4

\frac{9z+4}{5} = 13.4

Multiply each side of the equation by 5 → 13.4 × 5 = 67

9z <u>+ 4</u> = 67

Subtract 4 from each side of the equation → 67 - 4 = 63

<u>9</u>z = 63

Divide each side of the equation by 9 → 63 ÷ 9 = 7

z = 7


There you go! I really hope this helped, if there's anything just let me know! :)

6 0
3 years ago
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