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Dimas [21]
3 years ago
14

Slove 1/4 divide by 3/5 using multiplication show your work

Mathematics
1 answer:
Svetach [21]3 years ago
5 0
1/4 ÷ 35 1/4 × 35 = 1/140
Thus the answer to 1/4 divided by 35 in fraction is:
1/140 hope this helps :3
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PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!!
balu736 [363]

x equals 4 and y equals 5 . so the formula would be 5x+12y=80 and if we need 4 of the small boxes we sub x for 4 and we get 5(4) =20. Next, 80 minus 20 is 60, and the equation would now be 12y=60. we now divide both sides by 12 and we get left with y=5.  5x + 12y = 80  5(4) + 12(5)=80  20+60=80. That is all.  I hope that doesn't sound confusing

5 0
3 years ago
Find the value of a1 for an infinite geometric series with S=12 and r=1/6
blondinia [14]
S_n=a(1+r+\cdots+r^{n-1}+r^n)
rS_n=a(r+r^2+\cdots+r^n+r^{n+1})
(1-r)S_n=a(1-r^{n+1})
S_n=a\dfrac{1-r^{n+1}}{1-r}

When |r|, we have

\displaystyle\lim_{n\to\infty}S_n=\dfrac a{1-r}

as is the case here. Since S=\lim\limits_{n\to\infty}S_n=12 and r=\dfrac16 are given, we can find the first term a immediately:

12=\dfrac a{1-\frac16}\implies12=\dfrac65a\implies a=10
6 0
4 years ago
X/2 -5=20 please give details
vladimir1956 [14]

Answer: x=50

how?

\frac{x}{2} - 5= 20 (first ADD 5 with 20 whatever you do on one side you have to do it to the other) so that gives us:

\frac{x}{2}=25 (we see that 2 is being divided by x and we want X alone so the inverse of division is MULTIPLICATION)

25 x 2= 50

therefor the x=50

6 0
3 years ago
David wants to install a fence around his garden. The garden is rectangular and has an area of 240 square feet. One side of the
oee [108]

Answer:

$996

Step-by-step explanation:

The rectangular plot has an area that is the product of its length and width. We are given the width as 12 feet, and the area as 240 ft², so we can find the length from ...

... A = L×W

... 240 ft² = L×(12 ft)

... 240 ft²/(12 ft) = L = 20 ft

Opposite sides of the rectangle are the same length, so the cost of fence for a side of a given length will be the sum of the costs of the opposites sides.

The 12 ft side has one segment that is $18 per foot, and one that is $15 per foot. For the 20 ft sides, both are $15 per foot. Then the total cost can be figured from ...

... (12 ft)·($18/ft + $15/ft) + (20 ft)·($15/ft +$15/ft) = 12·$33 +20·$30 = $996

5 0
3 years ago
30.
aleksley [76]

Answer:

The smallest possible perimeter of the triangle, rounded to the nearest tenth is 72.4 in

Step-by-step explanation:

The Triangle Inequality Theorem states that the sum of any 2 sides of a triangle must be greater than the measure of the third side

Let

x ------> the length of  the remaining side

Applying the triangle inequality theorem

1) x+x > 30

2x > 30

x > 15 in

The perimeter is equal to

P=30+2x

<em>Verify each case</em>

1) For P=41.0 in

substitute in the formula of perimeter and solve for x

41.0=30+2x

2x=41.0-30

x=5.5 in

Is not a solution because the value of x must be greater than 15 inches

2) For P=51.2 in

substitute in the formula of perimeter and solve for x

51.2=30+2x

2x=51.2-30

x=10.6 in

Is not a solution because the value of x must be greater than 15 inches

3) For P=72.4 in

substitute in the formula of perimeter and solve for x

72.4=30+2x

2x=72.4-30

x=21.2 in

Could be a solution because the value of x is greater than 15 inches

4) For P=81.2 in

substitute in the formula of perimeter and solve for x

81.2=30+2x

2x=81.2-30

x=25.6 in

Could be a solution because the value of x is greater than 15 inches

therefore

The smallest possible perimeter of the triangle, rounded to the nearest tenth is 72.4 in

5 0
3 years ago
Read 2 more answers
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