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Paladinen [302]
3 years ago
11

Find two numbers, if … c Their sum is 3/5 and their difference is 7 1/5

Mathematics
1 answer:
Makovka662 [10]3 years ago
7 0

Answer:

39/10 and - 33/10.

Step-by-step explanation:

7 1/5 = 36/5  so if the 2 numbers are x and y, we have:

x + y = 3/5

x -  y =  36/5      

Adding the 2 equations to eliminate y:

2x =  39/5

x = 39/10.

So 39/10 + y = 3/5  (from the first equation).

y = 3/5 - 39/10

y = 6/10 - 39/10

y = -33/10.

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Josiah went to the local barber to get his hair cut. It cost $18 for the haircut. Josiah tipped the barber 15%. What was the tot
Inessa [10]

The total cost of the haircut including the tip is $20.70. 18*15%=2.70+18=20.7.

Hope this helps:)

5 0
3 years ago
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A cylindrical soup can has a radius of 1.8 in. and is 6.7 in. tall. Find the volume of the can.
avanturin [10]
<h3><u><em>I</em></u><u><em>nitial considerations</em></u></h3>
  • <em>radius = 1.8 in</em>
  • <em>tall = 6.7 in</em>
  • <em>Volume?</em>

<h3><u><em>Resolution</em></u></h3>

<em>Volume = base area x tall</em>

<em>base area = π x (1.8in)²</em>

<em>base area = 10.179 in²</em>

<em>Volume = 10.179 in² x 6.7 in</em>

<em>Volume = 68.198 in³</em>

<h3 /><h3><em><u>Answer</u></em></h3>

<em>the volume is 68.198 in³</em>

5 0
3 years ago
Describe the error Sarah made when simplifying the expression shown. -5(x-2)=-5x-10
prisoha [69]
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8 0
3 years ago
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maria [59]

Answer:

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7 0
3 years ago
Given: mMEJ=30°,<br> mMFJ= 50°<br> Find: mKL, mMJ
makvit [3.9K]

Applying the angles of intersecting secants theorem, the measures of the arcs are:

m(KL) = 20°; m(MJ) = 80°.

<h3>What is the Angles Intersecting Secants Theorem?</h3>

When two secants intersect and form an angle outside the circle, the measure of the angle formed is half the positive difference of the measures of the intercepted arcs.

Given the following:

  • m∠MEJ = 30°
  • m∠MFJ = 50°

m∠MEJ = 1/2(MJ - KL)

30 = 1/2(MJ - KL)

60 = MJ - KL

KL = MJ - 60

m∠MFJ = 1/2(MJ + KL)

50 = 1/2(MJ + MJ - 60)

100 = 2MJ - 60

2MJ = 100 + 60

2MJ = 160

MJ = 160/2

MJ = 80°

KL = MJ - 60 = 80 - 60

KL = 20°

Thus, applying the angles of intersecting secants theorem, the measures of the arcs are:

m(KL) = 20°; m(MJ) = 80°.

Learn more about angles of intersecting secants theorem on:

brainly.com/question/1626547

4 0
2 years ago
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