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Olin [163]
2 years ago
14

What is the simplest form of 3(0.44r-2.1)-2.1(r-0.3)

Mathematics
2 answers:
Anna35 [415]2 years ago
8 0
It the same answer as the one on top it correct
netineya [11]2 years ago
3 0

Answer:

−0.78r − 5.67

Step-by-step explanation:

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WILL MARK BRAINLYEST IF YOU ANSWER ALL QUISTIONS
gogolik [260]

Rewrite the fractions as improper fractions:

1. −4 2/5 ÷ (−5)

= -22/5 ÷ −5/1

= -22/5 x -1/5

=22/25

2.  −4 4/5÷4

= -24/5 ÷ 4/1

= -24/5 x 1/4

= -6/5

= -1 1/5

3. −2 1/8 ÷ 1 1/4

= -17/8 ÷ 5/4

= -17/8 x 4/5

= -68/40

= -17/10

=-1 7/10

4. −6 7/8 ÷ (−3 3/4)

= -55/8 ÷ -15/4

= -55/8 x -4/15

= 220/40

= 11/6

= 1 5/6

5. −8 3/4÷ 2 1/6

= -35/4 ÷ 13/6

= -35/4 x 6/13

= -210/52

= - 105/26

= -4 1/26

7 0
3 years ago
Given tanx=8/15 when pi < x < 3pi/2, find tan x/2.
S_A_V [24]

Answer:

tan(x/2)=-4

Step-by-step explanation:

we know that

The angle x belong to the III quadrant -----> given problem

step 1

Find the angle x

x=arctan(8/15)=28.07\°

Remember that the angle x belong to the III Quadrant

so

x=28.07\°+180\°=208.07\°

step 2

Find angle x/2

x/2=208.07\°/2=104.035\°

step 3

Find tan(x/2)

tan(104.035\°)=-4

8 0
2 years ago
I need help plzzzzzz​
sladkih [1.3K]

Answer:

club godzilla

Step-by-step explanation:

6 0
3 years ago
Write the equation of the line that is parallel to the line and through the given point y=-2x+1 point (0,5)
marysya [2.9K]

Answer:

y = -2x+5

Step-by-step explanation:

y = -2x+1 is in the form y= mx+b where m is the slope and b is the y intercept

-2 is the slope

Parallel lines have the same slope so our new line will have the same slope

y = -2x+b

The point given is the y intercept (value when x is zero)

b = 5

y = -2x+5

5 0
2 years ago
Change 2y-3+18 to the distributive property
Alexxandr [17]
2(y-3) +18

That’s what it looks like
6 0
2 years ago
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