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aliina [53]
3 years ago
7

Share 150 in ratio 4:1

Mathematics
2 answers:
Gnoma [55]3 years ago
4 0
120:30 --> 4+1=5. 150/5=30. 30*4=120. 30*1=30 :) Hope this helped!
Tresset [83]3 years ago
4 0
The answer is 120:30
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You have a fishing line spool with an end that has an area of 20.0 cm2. How much fishing line do you need to wind around the spo
lana66690 [7]
<h3>Problem Solution</h3>

Assuming the spool is a cylinder and the circumference we're winding around is that of a circle with the given area, we can write the relation between circumference and area as

... C = 2√(πA)

10 times the circumference is then

... 10C = 20√(π·20 cm²) = 40√(5π) cm ≈ 159 cm

<h3>Formula Derivation</h3>

The usual formulas for circumference and area are

... C = 2πr

... A = πr²

If we multiply the area formula by π and take the square root, we get

... πA = (πr)²

... √(πA) = πr

Multiplying this by 2 gives circumference.

... C = 2√(πA) = 2πr

3 0
3 years ago
Y<br> 45°<br> X 100°<br> y = [ ? 1°
deff fn [24]

Step-by-step explanation:

x+100°=180°{being straight angle}

x=180-100

x=80°

again,

45°+x+y=180°{sum of angle of triangle}

45+80+y=180

y=180-125°

y=55°

hope it helps.

8 0
3 years ago
How long will it take 5 machines to complete a task, given that it takes 10 days for 8 machines to complete the same task?
Tamiku [17]

Answer:

Step-by-step explanation:

4 days

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4 0
3 years ago
For a certain model of car the distance d required to stop the vehicle if it is traveling at v mi/h is given by the formula d =
enyata [817]
Given that <span>For a certain model of car the distance d required to stop the vehicle if it is traveling at v mi/h is given by the formula d=v+\frac{v^2}{20}, where [tex]d is measured in feet.

If Kerry wants her stopping distance not to exceed 75 ft, then the range of speeds (in mi/h) can she travel is obtained as follows:

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Therefore, the range of speed she can travel is v\leq30\ mi/hr
</span>
8 0
2 years ago
Factor 15x + 35 using the GCF.
stellarik [79]
The answer is A. 5(3x+7)
4 0
2 years ago
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