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Natali5045456 [20]
3 years ago
15

This question is much too hard would anyone please help me

Mathematics
2 answers:
stira [4]3 years ago
6 0

Answer:

b= 60

c= 60

Step-by-step explanation:

<b and 120 form a straight line so the add to 180

b+120 =180

b = 180-120

b = 60

angles b and c are alternate interior angles so they are equal

b = c= 60

NeX [460]3 years ago
4 0

Answer:

B and C are the same angles so if B is 60 so is C

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11 /5,786<br> what does the r mean
arlik [135]

Step-by-step explanation: The set of real numbers is denoted using the symbol R or. and is sometimes called "the reals".

7 0
3 years ago
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ANTONII [103]

Answer:

57mm

Step-by-step explanation:

C=2(pi)(r)

C=2(3.14)(9)

C=56.52

rounding up, its 57mm

6 0
3 years ago
Please help me answer this!
Tomtit [17]

Answer:

<em>x = 3</em>

Step-by-step explanation:

<u>Trigonometric Ratios</u>

The ratios of the sides of a right triangle are called trigonometric ratios. The longest side of a right triangle is called the hypotenuse and the other two sides are the legs.

The tangent ratio relates the opposite leg with the adjacent leg. Please note the given side is the opposite leg to 60° and x is the adjacent leg to 60°, thus we apply the tangent ratio:

\displaystyle \tan\theta=\frac{\text{opposite leg}}{\text{adjacent leg}}

\displaystyle \tan 60^\circ=\frac{3\sqrt{3}}{x}

Solving for x:

\displaystyle x=\frac{3\sqrt{3}}{\tan 60^\circ}

Since:

\tan 60^\circ=\sqrt{3}:

\displaystyle x=\frac{3\sqrt{3}}{\sqrt{3}}

Simplifying:

x = 3

5 0
3 years ago
Help Please<br> A) estimate 49 of 162. <br> B) use mental math to calculate 49 of 162
bija089 [108]
You can round 49 to 50 and you can round 162 to 200.

You know that 5 * 2 = 10, so 50 * 200 must be 1000. You just add the zeroes.
8 0
4 years ago
Jessica the trainer has two solo workout plans that she offers her clients : Plan A and Plan B. Each client does either one or t
pickupchik [31]

<em>Okay! So, first create a system of equations - let a be the duration of a Plan A session and b be the duration of a Plan B session</em>

<em> </em>

<em>For Wednesday: 5a + 8b = 6 hours</em>

<em>For Thursday: 3a + 2b = 7 hours</em>

<em>You can use several methods but I'm going to use elimination!</em>

<em>Multiply the first equation by -4,and multiply the second equation by 1</em>

−4(3a+2b=7)

1(5a+8b=6)

<em>Becomes: </em>

−12a−8b=−28

5a+8b=6

<em>Then, add these two equations to eliminate b.</em>

−7a=−22

<em>Then solve−7a=−22 for a by dividing both sides by -7</em>

a= 22/7 or 3.1 ( round 3.14285714 down)

<em>Now that we've found a, let's plug it back in to solve for b.</em>

<em>Write down one of the original equations, I'm going to choose 3a+2b=7. Substitute 22/7 for a.</em>

3(22/7)+2b=7

<em>Solve from here, and you'll end up with b= -17/14 or -1.2 ( round -1.21428571 down)</em>

<em>So, again, </em><em>a= 22/7 or 3.1</em><em> and </em><em>b= -17/14 or -1.2</em>

<em>I hope this helps!</em>

7 0
4 years ago
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