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artcher [175]
3 years ago
12

Solve 2a=1/5. help me with this please a=

Mathematics
1 answer:
stiv31 [10]3 years ago
4 0

Answer:

Step-by-step explanation:

Step 1: divide both sides by 2 to isolate the variable a. So a = 1/5 / 2

Step 2: to when dividing you multiply by the inverse. The inverse of 2 is 1/2. a = 1/5 x 1/2

Step 3: a = 1/10

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A t-shirt decreased in price by
Bezzdna [24]

Answer:

£20

Step-by-step explanation:

1-1/4=3/4

3/4=15

1

15*1/3/4=

15*4/3=20

4 0
3 years ago
Given sin B = .91 find angle B in radians. Round your answer to the nearest hundredth.
pochemuha
 You could better find the answer at 
https://answers.yahoo.com/question/index?qid=20110628190101AAKUGSE
where someone else has already figured it out
8 0
3 years ago
Help with the 3 answers
Monica [59]

Answer:

B

A

A

Step-by-step explanation:

1.)Increasing by 2

2.)1/2 and less, just add them both.

3.)24*7+25=193

hope it helps you out!!


3 0
3 years ago
Since Scott started doing his work out plan Janet has been inspired to set her self a goal to do more exercise and walk a little
kogti [31]

Answer:

Day 21: 810 m

Day 60: 1,200 m

Step-by-step explanation:

The amount of meters she walk everyday can be modeled as a linear function, as the rate of variation is a constant (10 m/day):

dD/dt=10\;\text{m/day}

This constant (10 m/day) is the slope of the linear function.

We know one point of the linear function (D(20)=800) and the slope, so we can calculate the y-intercept:

D(t)=10t+b\\\\D(20)=10*20+b=800\\\\b=800-10*20=800-200\\\\b=600

Now, we can calculate the distance she walks by day 21 and day 60:

D(21)=10*21+600=210+600=810\\\\\\D(60)=10*60+600=600+600=1,200

5 0
3 years ago
Help me to solve this please​
scZoUnD [109]

Answer:

-4/9

Step-by-step explanation:

We first calculate the first bracket.

[2/3-(-4/9)]

= (2/3+4/9) (we cancel out the negatives)

= (6/9+4/9) (common denominator)

= 10/9

Then we convert -2 1/2 into an improper fraction.

-2 1/2

= -5/2

Finally we calculate the division by swapping the numerator and denominator of -5/2.

10/9 / -5/2

= 10/9 * -2/5

= -20/45

= -4/9 (simplify the terms)

3 0
3 years ago
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