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kap26 [50]
3 years ago
14

Find two numbers with a sum of 20 and a difference of 14

Mathematics
1 answer:
sergey [27]3 years ago
4 0

Find two numbers with a sum of 20 and a difference of 14


Make two equations

X+Y=20

X-Y=14


Now add x since y cancels out and add 20+14 To end up with

2x=34


Now divide 2 both sides to get x alone

2x/2=34/2


X=17


Now substitute x answer to first equation and solve for y

17+y=20


Subtract 17 both sides

Y= 3

Your two numbers are

3 and 17

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Answer:

the measure of AB equals the measure of BC

2x+1=3x-4

4+1=3x-2x

5=x

BC=3x-4=3*5-4=15-4=11

AB=2x+1=2*5+1=10+1=11

AC=AB+BC=11+11=22

Step-by-step explanation:

5 0
2 years ago
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June needs 45 gallons of punch for a party and has 2 different coolers to carry it in. The bigger cooler is 5 times as large as
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Answer:

The capacity of smaller cooler = 7.5 gallons

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Step-by-step explanation:

Let smaller cooler's capacity be x gallons

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x + 5x = 45

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x + 5x = 45

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x = 45/6 = 7.5

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4 0
3 years ago
A 150-N bird feeder is supported by three cables. Find the tension in each cable.
Irina-Kira [14]
X axis : -t1 cos 60 + t2 cos 60 = 0
 
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Y axis : t1 sin 60  + t2 sin 60 - 150 = 0

since t2 = t1

2t1 sin 60 =  150

t1 ( sqrt(3)/2)  = 150/2

t1   = 50 [sqrt(3)]

t2 = 50 [sqrt(3)]

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hope this helps


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3 years ago
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<h3>Scale factors</h3>

Scale factors are values or constants multiplied with a variable

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Learn more on distance here: brainly.com/question/23848540

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2 years ago
What is 21 out of 30 as a percent
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21/30 as a percent would be 70%.
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