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sp2606 [1]
3 years ago
12

If x=10 what is (7x -5)

Mathematics
2 answers:
Gennadij [26K]3 years ago
5 0

Answer:

65

Step-by-step explanation:

= 7x-5

Putting x = 10

= 7(10)-5

= 70-5

= 65

Paladinen [302]3 years ago
4 0
<h2><em>Answer:</em></h2><h2><em>6</em><em>5</em></h2>

<em>solution \\ x = 10 \\ now \\ (7x - 5) \\  = (7 \times 10 - 5) \\  = (70 - 5) \\  = 65</em>

<em>Hope </em><em>it</em><em> helps</em><em>.</em><em>.</em><em>.</em><em>.</em>

<em>Good </em><em>luck</em><em> on</em><em> your</em><em> assignment</em>

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5x-3x(26x-7x-28x) systems of equation
labwork [276]

Simplifying
5x + 2(8x + -9) = 3(x + 4) + -5(2x + 7)

Reorder the terms:
5x + 2(-9 + 8x) = 3(x + 4) + -5(2x + 7)
5x + (-9 * 2 + 8x * 2) = 3(x + 4) + -5(2x + 7)
5x + (-18 + 16x) = 3(x + 4) + -5(2x + 7)

Reorder the terms:
-18 + 5x + 16x = 3(x + 4) + -5(2x + 7)

Combine like terms: 5x + 16x = 21x
-18 + 21x = 3(x + 4) + -5(2x + 7)

Reorder the terms:
-18 + 21x = 3(4 + x) + -5(2x + 7)
-18 + 21x = (4 * 3 + x * 3) + -5(2x + 7)
-18 + 21x = (12 + 3x) + -5(2x + 7)

Reorder the terms:
-18 + 21x = 12 + 3x + -5(7 + 2x)
-18 + 21x = 12 + 3x + (7 * -5 + 2x * -5)
-18 + 21x = 12 + 3x + (-35 + -10x)

Reorder the terms:
-18 + 21x = 12 + -35 + 3x + -10x

Combine like terms: 12 + -35 = -23
-18 + 21x = -23 + 3x + -10x

Combine like terms: 3x + -10x = -7x
-18 + 21x = -23 + -7x

Solving
-18 + 21x = -23 + -7x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '7x' to each side of the equation.
-18 + 21x + 7x = -23 + -7x + 7x

Combine like terms: 21x + 7x = 28x
-18 + 28x = -23 + -7x + 7x

Combine like terms: -7x + 7x = 0
-18 + 28x = -23 + 0
-18 + 28x = -23

Add '18' to each side of the equation.
-18 + 18 + 28x = -23 + 18

Combine like terms: -18 + 18 = 0
0 + 28x = -23 + 18
28x = -23 + 18

Combine like terms: -23 + 18 = -5
28x = -5

Divide each side by '28'.
x = -0.1785714286

Simplifying
x = -0.1785714286
3 0
3 years ago
Find m∠TUL.
pogonyaev

 

Step-by-step explanation:

Actual graph for this problem is attached below

m∠TUV = 167°

m∠TUL = (x + 11)°

m∠LUV = (11x)°

m∠TUV= m∠TUL+ m∠LUV

now plug in the angles for each

m∠TUV= m∠TUL+ m∠LUV

167= x+11 +11x

solve the equation for x

167= x+11 +11x\\167=11 +12x

Subtract 11 from both sides

156=12x

divide both sides by 12

x=13

m∠TUL = (x + 11)°

m∠TUL = (13+ 11)° = (24)°

answer:

24°

4 0
4 years ago
PLEASE HELPPPP!!!!<br><br><br><br> If RS = 13 and ST = 8, find RT.
jarptica [38.1K]

Answer:

the answer is 21

because

rt=rs+st

13+8=21

8 0
3 years ago
Read 2 more answers
Find an equation of the sphere that passes through the point (7, 1, −3) and has center (5, 6, 5).
xz_007 [3.2K]

Answer:

The equation of the sphere that passes through the point (7,1,-3) and center at (5, 6, 5) is (x-5)^{2}+(y-6)^{2}+(z-5)^{2} = 93.

Step-by-step explanation:

Any sphere centered at (h,k,s) in an Euclidean space with a radius r is represented by the following formula:

(x-h)^{2} +(y-k)^{2}+(z-s)^{2} =r^{2}

If (x,y,z) = (7,1,-3) and (h,k, s) = (5,6,5), the radius of the sphere is obtained:

(7-5)^{2}+(1-6)^{2}+(-3-5)^{2} = r^{2}

r^{2} = 93

r = \sqrt{93}

The equation of the sphere that passes through the point (7,1,-3) and center at (5, 6, 5) is (x-5)^{2}+(y-6)^{2}+(z-5)^{2} = 93.

7 0
4 years ago
The residents of a city voted on whether to raise property taxes. The ratio of yes votes to no votes was 8 to 5. If there were
jonny [76]

Answer:

4024

Step-by-step explanation:

the percentage of 8/13 is 61.5 percent leaving 5/13 to be 38.5 percent

and 38.5 percent of 10452 is 4024

3 0
3 years ago
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