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SSSSS [86.1K]
2 years ago
15

HELP!!! ASAP!!! YOU WILL GET MARKED AS BRAINLIEST!!! You expand a rectangular garden so the perimeter is now twice the perimeter

of the old garden. The expression 12w+16 represents the perimeter of the new garden, where w represents the width of the old garden.
a. Write an expression that represents the perimeter of the old garden.

b. Write an expression that represents the area of the old garden.

You'll get mark as brainlist
Mathematics
1 answer:
BaLLatris [955]2 years ago
4 0

Answer:

A.6w+8

B. 42

Step-by-step explanation:

im assuming the 8 is the length, so 8L

sorry if thats not what you meant

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If you have a whale that weighs 5000lb and he eats 150lb a day. How do you figure out what percent of his body weight he require
Alina [70]

Answer:

3%

Step-by-step explanation:

To find how much of his body weight in food he requires daily, divide:

\frac{150}{5000}\div\frac{50}{50}=\frac{3}{100}=0.03=3\%

4 0
2 years ago
At a particular restaurant, each mini hotdog has 80 calories and each pizza roll has 50 calories. A combination meal with mini h
cestrela7 [59]

There are 15 mini hotdogs and 5 mini pizza rolls in the combination meal.

Step-by-step explanation:

Given,

Calories in each hotdog = 80 calories

Calories in each mini pizza = 50 calories

Combined meal = 20

Combined calories = 1450 calories

Let,

x represent the number of hot dogs.

y represent the number of mini pizzas.

According to given statement;

x+y=20     Eqn 1

80x+50y=1450    Eqn 2

Multiplying Eqn 1 by 80

80(x+y=20)\\80x+80y=1600\ \ \ Eqn\ 3

Subtracting Eqn 2 from Eqn 3

(80x+80y)-(80x+50y)=1600-1450\\80x+80y-80x-50y=150\\30y=150

Dividing both sides by 30

\frac{30y}{30}=\frac{150}{30}\\y=5

Putting y=5 in Eqn 1

x+5=20\\x=20-5\\x=15

There are 15 mini hotdogs and 5 mini pizza rolls in the combination meal.

Keywords: linear equation, elimination method

Learn more about elimination method at:

  • brainly.com/question/10546617
  • brainly.com/question/10552347

#LearnwithBrainly

7 0
2 years ago
Dmitri wants to cover the top and sides of the box shown with glass tiles that are 3 5 mm square How many tiles does he need 20
Anna35 [415]
Lets split the box in pieces and then add:
top = 20*15 = 300
sidesA = 2*20*9 = 360, is multiplied  by 2 cause there are 2 sides like this
sidesB = 2*9*15 = 270, is multiplied  by 2 cause there are 2 sides like this
so in total we have:
total = 300 + 360 + 270 = 930 cm^2
if we express this quantity in mm^2 we have:
<span>1cm² = 100 mm²</span>total = 930*100 = 93000 mm^2
so if the tiles are 5 mm^2 we need:
total tiles = <span>93000/5 = 18600
we need 18600 tiles of 5 mm^2</span>
8 0
2 years ago
Tyrone's hourly wage is $18 and his net pay is 72% of his earnings Tyrone spends about $1800 on his monthly expenses if Tyrone w
allsm [11]

Answer:

The monthly cash inflow is $273.6

Step-by-step explanation:

It is given that hourly wage is $18 and his net pay is 72% of his earnings.

First, calculate the 72% of $18.

72% of his earnings is \$18\times \frac{ 72}{100}= \$12.96.

Tyrone works 40 hours per week .

The number of working hours in a month is: 40\times4=160 \text{ hours}

For 1 hour is he was getting $12.96.

For 160 hours he will get: 160\times 12.96=\$2073.6

His total monthly cash inflow is $2073.6 - $1,800=$273.6

Hence, the monthly cash inflow is $273.6

5 0
2 years ago
Reflect shape A in the line x=-1
natulia [17]

Answer:

Step-by-step explanation:

Hey! I cant draw the shape in the answer box. Sowiee

4 0
2 years ago
Read 2 more answers
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