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KiRa [710]
3 years ago
7

What is the missing value of 3/10=x/20

Mathematics
1 answer:
svet-max [94.6K]3 years ago
4 0
X would equal 6 because 3/10=6/20. And 6/20 simplifies to 3/10
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4.<br> x +48<br> x + 66<br> find the measure of each angle in the triangle
SashulF [63]

Answer:

4, (31 +48), (31+66)

4, 79, 97

Step-by-step explanation:

4 + (x + 48) + (x + 66) = 180 ( sum of angles in a triangle)

4 + 48 + 66 + x + x = 180

118 + 2x = 180

2x = 180 -118

2x = 62

x = 62/2 = 31

3 0
3 years ago
Which features are present in this polar graph?
kherson [118]

Answer with explanation:

When point (x,y) in two dimensional plane is converted to polar plane,that is in terms of (r,α)

1. Origin (0,0)→Pole

2. x=0,y=0 becomes can be written as→ equation of polar axis,which is equal to 0.

the two curves drawn here has following line of symmetry

1. Symmetry along four lines of blade shaped curve,one along polar axis that is x=0,y=0 and two along,x=y and y=-x.

2. The curve which is in the shape of Cardioid has 1 line of symmetry that is , x=0.

The features which are present in the polar graph

Option:

A. Symmetry about the line  

B. Symmetry about the polar axis = 0

5 0
4 years ago
Read 2 more answers
If the percent transmittance for a sample is 50 at 350 nm what is the value of a
LenaWriter [7]

Answer: The value of absorbance is 0.3010

Step-by-step explanation:

Transmittance,(T)= 50%

Absorbance, (A)= ?

A=-\log(\frac{T\%}{100})

Transmittance and absorbance are inversely related:

A=-\log\frac{50}{100}=0.3010

Hence,the value of absorbance is 0.3010 when transmittance was 50%.

6 0
4 years ago
Read 2 more answers
4. Jill math score on her test last year 7th grade was 650. Her math teacher told her that her test level went up by 2586. What
MrRa [10]
Dang she scored in the negative Jill slow
7 0
3 years ago
What is the equation of the line that passes through the point (5,6) and has a slope of 2?
pantera1 [17]

Answer:

Answer is at the bottom!!

Step-by-step explanation:

y = - \frac{2}{5} x - 2

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y-intercept )

rearrange 2x + 5y = 10 into this form

subtract 2x from both sides  

5y = - 2x + 10 ( divide all terms by 5 )

y = - \frac{2}{5} x + 2 ← point- slope form with slope m = - \frac{2}{5}

Parallel lines have equal slopes hence  

y = - \frac{2}{5} x + c is the partial equation of the parallel line

to find c, substitute ( 5, - 4 ) into the partial equation

- 4 = - 2 + c ⇒ c = - 4 + 2 = - 2

y = - \frac{2}{5} x - 2 ← equation of parallel line

Hope this helps!!

6 0
3 years ago
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