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Vlad1618 [11]
3 years ago
14

What is the value of x ? Enter your answer in the box

Mathematics
2 answers:
Lelu [443]3 years ago
7 0

Answer:

x=65

Step-by-step explanation:

145=2x+15

Alika [10]3 years ago
7 0

\bold{Answer}

\boxed{\bold{X \ = \ 65}}

\bold{Explanation}

  • \bold{Find \ X: \ 145=\left(2x+15\right)}

\bold{----------------------}

\bold{The \ Two \ Angles \ Are \ Symmetrical. \ Since\ One \ Side \ Is \ 145 \ Degrees, \ So \ Is \ The \ Other}

  • \bold{Write \ An \ Equation}

\bold{Equation: \ 145 \ = \ (2x \ + \ 15)}

  • \bold{Solve}

  • \bold{Switch \ Sides}

\bold{\left(2x+15\right)=145}

\bold{2x+15=145}

  • \bold{Subtract \ 15 \ From \ Both \ Sides}

\bold{2x+15-15=145-15}

  • \bold{Simplify}

\bold{2x=130}

  • \bold{Divide \ Both \ Sides \ By \ 2}

\bold{\frac{2x}{2}=\frac{130}{2}}

  • \bold{Simplify}

\bold{X \ = \ 65}

\boxed{\bold{Eclipsed}}

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Geometry Homework Question ​
mash [69]

Answer:

Distance is 8.485

Midpoint is (3,4)

Step-by-step explanation:

Use the points (-1,7) and (5,1)

Insert them into the equation and solve for D

D=\sqrt{x} ((5-(-1))^2 + (1-7)^2)\\D=\sqrt{x} ((6)^2 + (-6)^2)\\D=\sqrt{x} (36+36)\\D=\sqrt{x} (72)\\D=8.485

Insert points into second equation to find midpoint

(\frac{_1+5}{2} , \frac{7+1}{2}) \\(\frac{6}{2} ,\frac{8}{2} )\\(3,4)

7 0
3 years ago
A sled is being pulled across a floor by two ropes such that the angle between them is 40°. If the forces on the ropes are 100 p
Dafna1 [17]

Answer:

option 4 ⇒ 236 lb.

Step-by-step explanation:

Best explanation of the question is as shown in the attached figure.

we will use the parallelogram method to calculate resultant force.

to get the length of the resultant force ⇒ use the cosines law

The cosine law is a² = b² + c² - 2 * b * c * cos (∠A)

Applying at the question where b = F₁  , c = F₂  and  ∠A = ∠x

Given that F₁ = 100 pounds  , F₂ = 150 pounds  and  ∠x = 180° - 40° = 140°

∴ (Resultant force)² = 100² + 150² - 2 * 100 * 150 * cos (∠140) = 55481

∴ Resultant force = √55481 = 235.54 ≅ 236 pounds

The answer is option 4 ⇒ 236 lb.

8 0
3 years ago
How many pennies are in a tower with a height of 0 cm
Yuri [45]
There would be no pennies
4 0
3 years ago
I need help on this one.
Flura [38]

Answer:

1) 180 is a straight line, so 180 - 118 = <em>62</em>

2) 180 degrees are in a triangle, so 180 - (62) - 73 = <em>45</em>

3) 180 is a straight line, so 180 - 73 = 107. There are 180 degrees in a triangle, so 180 - 49 - 45 = <em>86</em>

4 0
3 years ago
HELP!!!!!!!!!! PLEASE!!!!!!!WILL MARK AS BRAINLIEST
Goshia [24]

<t =33 since triangle  RUT is isosceles  (RU = TU)

<r + <u + <t = 180  triangle = 180

33 + <u + 33 = 180

66 + <u = 180

< u =114

<rus = < sut  from the diagram

<rus + <sut = <u

x + x = 114

2x = 114

divide by 2

x = 57

6 0
3 years ago
Read 2 more answers
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