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vlabodo [156]
2 years ago
8

Why can you use cross products to solve the proportion 18/5 = x/100 for x?

Mathematics
2 answers:
nikklg [1K]2 years ago
6 0

Answer:

B  

Just took the test

skad [1K]2 years ago
3 0

im not 100% sure but im pretty sure it is B

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I hope someone can help me here please don't answer nonsense!​
pshichka [43]

1) By the inscribed angle theorem, m\angle B=\frac{1}[2}(60^\circ})=\boxed{30^{\circ}}

2) By the inscribed angle theorem, arc RT measures twice 63 degrees, or 126 degrees.

3 0
1 year ago
Please help! Will mark brainliest! 20 points!
notsponge [240]

8      3

    -

9      4


Get common denominators.

8(4)      3 (9)

        -

9(4)      4 (9)

=

32      27

      -

36      36

=

5/36

5 0
3 years ago
The sum of 3 numbers is 131. the second of three numbers is seven more than twice the first. the third number is 12 less than th
arsen [322]
A+b+c = 131

b = 7 + 2a and c = a - 12
 so a + 7+2a + a-12 = 131
then 4a -5 = 131
then 4a = 136
and a = 34....so b= 75 and c = 22....check 34+75+22=131√
6 0
2 years ago
Find angles b,c and d
Mazyrski [523]

Answer:

B = 73°, c = 107°, d= 107°

Step-by-step explanation:

b + 107 \degree = 180 \degree..(straight \: line \:  \angle s) \\ b = 180 \degree - 107 \degree \\  \huge \red{ \boxed{b = 73 \degree}} \\  \\ \huge \purple{ \boxed{c = 107 \degree }}\\..(vertical \:  \angle s) \\  \\ \huge \orange{ \boxed{d = 107 \degree }}\\..(corresponding \:  \angle s) \\  \\

8 0
3 years ago
Y=x+5 y = x + 5 Find four points contained in the inverse. Express your values as an integer or simplified fraction.
Karolina [17]

Answer: (0,-5), (5, 0), (10, 5) and (15,10).

Step-by-step explanation:

Given equation: y = x + 5

To find its inverse we will find the value of x .

Subtract 5 from both sides

x=y-5

Switch y to x, we get

y= x-5, which is the inverse function.

At x=0,

y=-5

At x= 5,

y=0

At x= 10 ,

y=5

At x= 15,

y= 10

Hence, the four points contained in the inverse: (0,-5), (5, 0), (10, 5) and (15,10).

7 0
2 years ago
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