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2 years ago

Solve for w p=2(l+w)

Mathematics

1 answer:

umka2103 [35]2 years ago

8 0

p = 2(l+w)

divide by 2

p/2 = l+w

subtract l from both sides

p/2 - l = 2

Choice c

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Is point (2,1) on the the line represented by the equation x+2y=5

Sphinxa [80]

To check if this point lies on the line, plug in a 2 for x and a y for 1 and solve

x+2y=5
2+2(1)=5
4=5

Since this statement isn't true, then the point doesn't lie on the line

Hope this helps

6 0

2 years ago

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What is .3125 expresses as a fraction???

d1i1m1o1n [39]

.3125 expressed as a fraction is 5/16

6 0

2 years ago

What is 10 1/7 divided by 5 as a fraction or mixed number?

juin [17]

= 2 1/35
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7 0

2 years ago

Solve your equation using trail and improvement. A number plus ten times its square root is is equal to one thousand

Alex

Answer:

$x \approx 729$

Step-by-step explanation:

Given

Let the number be x

So:

$x + 10\sqrt x = 1000$

Required

Using trial and improvement, find x

This implies that we keep guessing the values of x until we get a value that match the equation.

Let

$x = 625$

So, we have:

$x + 10\sqrt x = 1000$

$625 + 10 *\sqrt{625}$

Take the square root of 625

$625 + 10 *\sqrt{625} = 625 + 10 *25$

$625 + 10 *\sqrt{625} = 625 + 250$

$625 + 10 *\sqrt{625} = 875$

Let

$x = 729$

So, we have:

$x + 10\sqrt x = 1000$

$729 + 10 * \sqrt{729}$

Take the square root of 729

$729 + 10 * \sqrt{729} = 729 + 10 * 27$

$729 + 10 * \sqrt{729} = 729 + 270$

$729 + 10 * \sqrt{729} = 999$

At this point, we can conclude that x is approximately 729 because

$999 \approx 1000$

So:

$x \approx 729$

5 0

2 years ago

HELP ASAP!!!

Misha Larkins [42]

Answer:

x= 44 cm

Step-by-step explanation:

${55}^{2} = {33}^{2} + {x}^{2} \\ {x}^{2} = 3025 - 1089 \\ {x}^{2} = 1936 \\ x = \sqrt{1936} = 44$

3 0

2 years ago