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nikklg [1K]
3 years ago
10

20 m 21 m What is the perimeter? meters

Mathematics
2 answers:
vladimir1956 [14]3 years ago
8 0

Answer:

82 meters

Step-by-step explanation:

to get the perimeter of a rectangle or square you have to add the lengths of all the four sides

P=20+20+21+21

P=2x20+2x21

P=2x(20+21)

P=2x41

P=82

AnnZ [28]3 years ago
4 0

Answer: 20+21+20+21=40+42=82

Step-by-step explanation:

Add up the sides

Multiply by 2

Try:

20+21=41

Multiply by 2:82

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Juma spent half of his july salary on school fees and two thirds of the remainder on food Calculate his July salary if he spent
Andrej [43]

The required salary of Juma in July month is sh.9600.

Given that,
he spent half of his July salary on school fees and two-thirds of the remainder on food.
he spent sh.3200 on food.

<h3>What is arithmetic?</h3>

In mathematics, it deals with numbers of operations according to the statements.

In the question,
Let the slay of Juma in July be x,
Juma spent half of his July salary on school fees = x/2
two-thirds of the remainder on food  = 2/3 * x/2 = x/3
he spent sh.3200 on food i.e.
x / 3 = 3200
x = 3200 * 3
x = 9600

Thus, the required salary of Juma in July month is sh.9600.

Learn more about arithmetic here:

brainly.com/question/14753192

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5 0
2 years ago
Use the quadratic formula to find both solutions to the quadratic equation
yanalaym [24]

Answer:

b

Step-by-step explanation:

took the test

7 0
3 years ago
Join my meeting 738 875 9280 then the other thing is redbird​
viktelen [127]

Answer:

Step-by-step explanation:

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8 0
3 years ago
Solve for x. −23(3x−4)+3x=56 who ever solves right first gets brinlyest
Kobotan [32]

Step 1: Simplify both sides of the equation.

−23(3x−4)+3x=56

(−23)(3x)+(−23)(−4)+3x=56(Distribute)

−69x+92+3x=56

(−69x+3x)+(92)=56(Combine Like Terms)

−66x+92=56

−66x+92=56

Step 2: Subtract 92 from both sides.

−66x+92−92=56−92

−66x=−36

Step 3: Divide both sides by -66.

−66x  /-66= -36/-66

x= 6/11




6 0
4 years ago
8.) Out of 600 employees, only 270 are happy with their pay. What percent is this? (Please show your work.) *
Gnom [1K]

For this case we can raise a rule of three:

600 employees -------------> 100%

270 employees -------------> x

Where the variable "x" represents the percentage of employees who are satisfied with their salary. So, we have:

x = \frac {270 * 100} {600}\\x = 45

Thus, 45% of employees are satisfied with their salary.

Answer:

45%

5 0
4 years ago
Read 2 more answers
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