2 years ago

Help me please this is really important

Mathematics

1 answer:

EleoNora [17]2 years ago

6 0

Answer:

The posters will be 1 foot away from each other

Step-by-step explanation:

The equation is right

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PLZ ANSWER ASAP THX<br><br><br> Find area

Elan Coil [88]

Area of triangle , when 3 sides are given , we may use "Heron's formula"

$\bold{heron \: formula \: = \: \sqrt{s(s - a)(s - b)(s - c)square \: units} } \\ \\ where \: \bold{s }= \frac{a + b + c}{2}$

Given :

a=7

b=8

c=10

So , semi peremeter =

$s = \frac{7 + 8 + 10}{2}$

$s = \frac{25}{2}$

$s = 12.5$

$area = \sqrt{12.5(12.5 - 7)(12.5 - 8)(12.5 - 10)}$

$area = \sqrt{12.5(5.5)(4.5)(2.5)}$

$area = \sqrt{68.5 \times 11.25}$

$area = \sqrt{770.625}$

$area \: = 27.7601 {units}^{2}$

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4 years ago

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Answer: 15 and 14

Step-by-step explanation:

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3 years ago

Anu bought 15 stickers for 225 each and Arjun bought 25 stickers for 215 each. Who paid more? Give a reason for your answer.

ahrayia [7]

Answer: Arjun paid more than Anu of about $2000.

Total cost

unit amount × per unit cost

For Anu total cost:

⇒ 15 × $225

⇒ $3375

For Arjun total cost:

⇒ 25 × $215

⇒ $5375

Anu paid $3375 for each whereas Arjun paid $5375 for each.

Conclusion: Arjun paid more.

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2 years ago

Fran cuts hair and makes $500 each week plus tips. If she averages $12 in tips for every haircut and wants to make at least $800

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Answer:

the answer is B, 500 per week and 12 in tips for a total equal to or greater than 800 dollers

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Answer:

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Step-by-step explanation:

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