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Snezhnost [94]
3 years ago
13

8.7/2=16.5/w what is W

Mathematics
1 answer:
murzikaleks [220]3 years ago
6 0
W=33/8.7
w=3.79
i believe this is the answer
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Write repeating decimal 0.027272727 ... as a fraction.
Andrews [41]

Answer:

3/110

Step-by-step explanation:

x = .0272727 repeating

Multiply by 100

100x = 2.727 repeating

Subtract the first equation from the second

100x = 2.727 repeating

-x = .0272727 repeating

------------------------------------

99x = 2.7

Divide each side by 99

99x/99 = 2.7/99

x = 27/990

x =3/110

4 0
2 years ago
Read 2 more answers
2x-y²=1<br> 3x+y=4 <br> Heelp...
bogdanovich [222]
So first we solve for y in second equation
3x+y=4
y=4-3x
sub for y in first equiton
2x-(4-3x)^2=1
2x-(16-12x-12x+9x^2)=1
2x-(16-24x+9x^2)=1
2x-16+24x-9x^2=1
-9x^2+26x-16=1
times -1 both sides
9x^2-26x+16=-1
add 1 to both sides
9x^2-26x+17=0
factor
(x-1)(9x-17)=0
set each to zero
x-1=0
x=1

9x-17=0
9x=17
x=17/9

so sub back to find y
y=4-3x
y=4-3(1)
y=4-3
y=1
(1,1)

y=4-3x
y=4-3(17/9)
y=4-17/3
y=12/3-17/3
y=-5/3
(17/9,-5/3)


the 2 intersection points are
(1,1) and ( \frac{17}{9} , \frac{-5}{3} )
6 0
3 years ago
If cot 0= 1.5 find tan 0 a. 1/1.5 b1.5 c.1/3 d.1/4.5= 0.2222
Zepler [3.9K]

Answer:

tan θ = \frac{1}{1.5}

Step-by-step explanation:

We are given that cot θ = 1.5 and cotangent is the cofunction of tangent.

cot θ = \frac{adjacent}{opposite}

tan θ = \frac{opposite}{adjacent}

We can find the answer to tan θ by taking the reciprocal of the answer to cot θ.

cot θ = 1.5

Then, tan θ = \frac{1}{1.5}

5 0
3 years ago
Read 2 more answers
16.
MrRissso [65]

Answer:

its 5, answer is 5,

Step-by-step explanation:

6 0
2 years ago
At a fundraiser, a school group charges $6 for tickets for a "grab bag." You choose one bill at random from a bag that contains
tia_tia [17]

Answer:

The probability of picking the required dollar bill is 0.155 which means a "NO" and my expectations aren't that high

Step-by-step explanation:

Please refer to the attached image for explanations

8 0
3 years ago
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