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3 years ago

The perimeter of a rectangular field is 350m. If the length of the field is 99m, what is the width?

Mathematics

2 answers:

Nana76 [90]3 years ago

7 0

Answer:

W=76

Step-by-step explanation:

To find perimeter we need 2L + 2W = P (L being Length and W being Width)

L = 99

2*99 = 198

350 - 198 = 152

152/2 = 76

2*99 + 2*76 = 350

fiasKO [112]3 years ago

6 0

Answer: Width = 76m

Step-by-step explanation:

P = 2l + 2w

l = 99

99 + 99 = 198

350 - 198 = 152

152/2 = 76

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HELP NEEDED!!!! MUCH APPRECIATED

jeka94

We have

$t_1 + t+2 = \dfrac{\sqrt{s}}{4} + \dfrac{s}{1100} = .5$

Multiplying through by 1100,

$275 \sqrt{s} + s = 550$

$275 \sqrt{s} = 550 - s$

Squaring (which means we need to check later),

$275^2 s = (550 - s)^2 = 550^2 - 1100 s + s^2$

$0 = s^2 - (1100 + 275^2) s + 550^2$

$0 = s^2 - 76725 s + 302500$

$s = \frac 1 2 (76725 \pm 1375 \sqrt{3113} )$

$s \approx 3.94285 \textrm{ or } s \approx 76721.0571$

Clearly there's no way that giant number would work; must be extraneous.

Answer: 3.94

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3 years ago

Two positive integers between 51 and 999 are both rounded to the nearest hundred. If these two numbers are multiplied together,

lesya [120]

Answer:

the answer is K . the product of 51 and 999 is 50949 and 5 is greater than 0.

3 0

3 years ago

The school production of Our Town' was a big success. For opening night. 434 tickets were sold. Students paid $4.00 each, while

Alex73 [517]

Answer:

286 students attended

148 non students attended

Step-by-step explanation:

Given

$Tickets = 434$

$Students = \$4.00$

$Non-Students = \$6.00$

$Total = \$2032.00$

Solving (a): Number of students

Represent students with S and non students with N

So:

$S + N = 434$ --- (1)

$4S + 6N = 2032$ --- (2)

Make N the subject of formula in (1)

$N = 434 - S$

Substitute 434 - S for N in (2)

$4S +6(434 - S) = 2032$

Open Bracket

$4S + 2604 - 6S = 2032$

Collect Like Terms

$4S - 6S = 2032 - 2604$

$-2S = -572$

Divide through by -2

$S = 286$

<em>Hence; 286 students attended</em>

Solving (b):

Recall that

$N = 434 - S$

$N = 434 - 286$

$N = 148$

<em>148 non students attended</em>

4 0

3 years ago

Which one of the following examples represents a repeating decimal?

Minchanka [31]

The answer is D. 0.6666666.

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3 years ago

Tom brought 7/8 gallons of water to a party and his friends drank2/3 of it. How many gallons of water did they drink?

natka813 [3]

In plain and short, what's 2/3 of 7/8? well, is just their product.

$\bf \cfrac{7}{8}\cdot \cfrac{2}{3}\implies \cfrac{7\cdot 2}{8\cdot 3}\implies \cfrac{14}{24}\implies \stackrel{simplified}{\cfrac{7}{12}}$

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3 years ago