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3 years ago

What is the perimeter?

Mathematics

2 answers:

Alex_Xolod [135]3 years ago

8 0

9x+3 y I’m in math hope that helps man

aleksandr82 [10.1K]3 years ago

7 0

Answer:

D.) 10x + 2y

Step-by-step explanation:

x + 4x + 4x + x = 10x

y + y = 2y

10x + 2y

Hopefully this helps you :)

pls give me brainlest ;)

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Solve the following multiplication and division problems.

algol13

Answer:

a. 22.5 km

b. 267.52 m

c. 95 m

d. $(4.2)(10^{-5})$ km

Step-by-step explanation:

a. You can convert from hectometers to kilometers, and then you can make the multiplication:

$\frac{5hm}{10}=0.5km$

$(3km)(0.5km)(15)=22.5km$

b. You can convert from centimeters to meters, and then you can make the multiplication:

$\frac{44cm}{100}=0.44m\\(19m)(0.44m)(32)=267.52m$

c. You only need to divide 1,140 meters by 12:

$\frac{1,140m}{12})=95m$

d. You can convert from hectometers to kilometers, from decameters to kilometers and from meters to kilometers, and divide this by 15:

$\frac{6hm}{10}=0.6km$

$\frac{7dam}{100}=0.07km$

$\frac{5m}{1000}=0.005km$

$\frac{(3km)(0.6km)(0.07km)(0.005km)}{15}=(4.2)(10^{-5})$ km

5 0

3 years ago

Is it possible for a system of linear equations to have exactly one solution?

Elanso [62]

No, it's not possible

8 0

3 years ago

Read 2 more answers

one number is equal to the square of another. find the numbers if both are positive and their sum is 1122

statuscvo [17]

Answer:

One number is 561

The other number is 23.6854

Step-by-step explanation:

x = y^2 One number = the square of another

x + y^2 = 1122 The sum of the two numbers is 1122

Substitute y^2 in for x on the second equation.

y^2 + y^2 = 1122 Combine like terms on the left

2y^2 = 1122 Divide by 2

y^2 = 1122/2

y^2 = 561 Take the square root of both sides.

y = 23.6854

x = y^2

x = 561

y^2 = 561

4 0

3 years ago

Please help!! I dont know what to do!

Aliun [14]

The answer to this problem would be c.

7 0

3 years ago

What value of m makes the equation true? m + 2m - 6 = -12 + 2m.

denpristay [2]

the answer is 6 i think

4 0

4 years ago

Read 2 more answers