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vladimir2022 [97]
3 years ago
11

Evaluate the following expression if x = 3. x2

Mathematics
1 answer:
PtichkaEL [24]3 years ago
4 0

Answer:

6

Step-by-step explanation:

x2

x=3

sub 3 into x

(3)2

=6

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A camera store developed 2100 rolls of film in one month. Customers wanted double prints from 1500 of these rolls.What is the ra
Alinara [238K]

Answer: 71.43%

Step-by-step explanation:

1500x100:2100

7 0
3 years ago
Please anwer the question
guajiro [1.7K]

Answer:

$520.96

Step-by-step explanation:

This is a compound shape made of 1 rectangle and two semi circles which makes 1 full circle.

Area of Rectangle = L x W

Area of circle is =pi x radius squared

Area of Rectangle is 5ft x 4ft = 20 ft squared.

Area of circle is = 12.56 ft squared

- Diameter of the circle is 4ft, radius is 1/2 diameter

- Radius is 2ft, 2 x 2 = 4ft

(pi) 3.14 x 4ft = 12.56 ft squared.

As it is a compound shape you need to add

Area of Square + Area of circle =

20 ft squared + 12.56 ft squared =

Total Area of window is 32.56 ft squared

$16 = 1 square foot

$16 × 32.56 = $520.96

8 0
3 years ago
Read 2 more answers
The lengths of the sides of a triangular flowerbed are s feet, s+2 feet, and a+4 feet. What is it’s perimeter?
cluponka [151]

Answer:

P=2s+a+6

Step-by-step explanation:

The perimeter of any polygon is the sum of its sides. The sides in feet are given as

s, s+2 and a+4

Hence perimeter is

P= s + s+2 + a+4

P=2s+a+6

3 0
3 years ago
A student has a 90, 84, and an 86 on their first 3 tests. What possible scores would the student need
Ugo [173]
The student would have to score 100% on their next test to brung their average up to 90. Here is why;
90+84+86=260
(260+?)/4=90
(260+100)/4=90
360/4=90
This is done to get the mean (or average) of a group of numbers by adding all the numbers and dividing by the amount of numbers you added together. Here it is divided by 4 because of the three tests he has taken and the test he will take.
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4 years ago
Please answer this question
Nataliya [291]
Change in temperature = initial - final.
5 -0 = 5.
5°F represents the change in temperature.

hope this helps :) (please mark brainliest!)
6 0
3 years ago
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