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3 years ago

Help please Brainiest answer to whoever is first

Mathematics

2 answers:

sasho [114]3 years ago

8 0

Answer:

84 inches squared

Greeley [361]3 years ago

6 0

Step-by-step explanation:

perimeter = 6+7+5+10+15

= 43

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The value of (a–1)+92 - +24,5 " when a= 2 and b=-1

Andre45 [30]

Answer:

256271

Step-by-step explanation:

6165253-6728282-289292

3 0

3 years ago

Questions:

MrRa [10]

Answer:

i dont uderstand sorry

Step-by-step explanation:

8 0

4 years ago

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A rectangular yard has a width that is 10 feet longer than the width . If the the area of the yard is 600 squared feet , find th

olga55 [171]

Answer:

length = 30 feet and width = 20 feet

Step-by-step explanation:

Let l is length and b is width of a rectangular yard. The area of a rectangle is given by :

A = lb ..(1)

A rectangular yard has a length that is 10 feet longer than the width.

length, l = 10+b ...(2)

ATQ,

Put the value of l in equation (1),

$(10+b)b=600\\\\10b+b^2=600\\\\b^2+10b-600=0\\\\b^2+30b-20b-600=0\\\\b(b+30)-20(b+30)=0\\\\(b+30)(b-20)=0\\\\b=-30\ \text{feet}\ \text{and}\ b=20\ \text{feet}$

Width can't be negative. The width is 20 feet.

Put the value of b is equation (2),

l = 10+20

l = 30 feet

Hence, the length and width are 30 feet and 20 feet.

8 0

3 years ago

Bet u can’t solve this

S_A_V [24]

Answer:

Step-by-step explanation:

Assuming you're solving for p:

$m=2^{-1} *2^p(2^p-1)$

Let $y=2^p$

Now we can re-write the equation with $y$ instead of $2^p$ .

$m=\frac{1}{2} y(y-1)$

$2m=y^2-y$

$y^2-y-2m=0$

Use the quadratic formula to get:

$y = \frac{1+\sqrt{1+8m} }{2}$

$y = \frac{1-\sqrt{1+8m} }{2}$

Therefore, using natural log and log rules:

$2^p = \frac{1+\sqrt{1+8m} }{2}$ , $ln(2^p)= ln(\frac{1+\sqrt{1+8m} }{2})$ , $pln(2) = ln(\frac{1+\sqrt{1+8m} }{2})$ , $p = \frac{ln(\frac{1+\sqrt{1+8m} }{2})}{ln(2)}$

$2^p = \frac{1-\sqrt{1+8m} }{2}$ , $ln(2^p)= ln(\frac{1-\sqrt{1+8m} }{2})$ , $pln(2) = ln(\frac{1-\sqrt{1+8m} }{2})$ , $p = \frac{ln(\frac{1-\sqrt{1+8m} }{2})}{ln(2)}$

If I haven't made any mistakes this should be correct!

7 0

3 years ago

FIRST ANSWER GETS BRAINLIEST ANSWER :

algol [13]

Restaurant D offered the best deal at $13.05 per 9 shrimp because it you but 18 it will only cost you 26.15 but if you buy from restaurant A you only get 16 shrimp for 26.40 so I'd say go wit restaurant D

3 0

4 years ago

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