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2 years ago

Plxx help mee giving brainlyist to the first to answer correctly

Mathematics

2 answers:

Talja [164]2 years ago

6 0

Answer:

0.9/3=0.3 First one

Step-by-step explanation:

0.9/3=0.3

The boxes are being divided into 3 equal parts and each section has 0.30 squares

qwelly [4]2 years ago

5 0

Answer:

The answer is A: 0.9÷3=0.3

Step-by-step explanation:

The boxes are equally divided into thirds

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What is the solution of the system X - 3y = -13 and 5x + 7y = 34

hammer [34]

Answer:

The solution for this system is x = 1/2 and y = 9/2

Step-by-step explanation:

1. We have this system of equations:

x - 3y = -13 and 5x + 7y = 34

2. Let's try to find out the value of x on the first equation:

x - 3y = - 13

x = 3y - 13

3. Now, let's replace x on the second equation for finding y:

5x + 7y = 34

5 (3y - 13) + 7y = 34

15y - 65 + 7y = 34

22y = 34 +65

22y = 99

2y = 9 (Dividing by 11 at both sides)

y = 9/2 (Diving by 2 at both sides)

4. Now, let's find out the value of x on the first equation, using the value of y:

x - 3y = - 13

x - 3 (9/2) = - 13

x - 27/2 = -13

x = -13 + 27/2

x = (-26 + 27)/2 (Adding - 13 and 27/2)

x = 1/2

5. Finally, let's prove the values of x and y are correct on the second equation of the system:

5x + 7y = 34

5 (1/2) + 7 (9/2) = 34

5/2 + 63/2 = 34

(5 + 63)/2 = 34

68/2 = 34

34 = 34

It has been proved that x = 1/2 and y = 9/2 are correct

5 0

4 years ago

enter the expression −2c⃗ 6d⃗ in the answer box using the notation just described. express your answer in terms of c⃗ and d⃗ . u

liraira [26]

The expression $-2\vec C+6\vec D$ in the ordered pair notation is (16,-16).

The vector components of a vector are represented as the ordered pair of its x and y components.

For example, if a vector has x - component 'a' and y- component 'b' , then the ordered pair notation for the vector is (a, b), where the vector is $a \vec i+b \vec j$ .

Now the vector C has its x- component = -2

y- component of C = -1

Therefore, ordered pair notation of C = (-2, -1)

x- component of D = 2

y-component of D = -3

Therefore, ordered pair notation of D = (2,-3)

So the expression $-2\vec C+6\vec D$ = -2 (-2,-1) +6 (2,-3) = (4,2) + (12, -18)

= (16, -16) in the ordered pair notation.

That is, the vector $\bold {-2\vec C+6\vec D}$ is a vector with x-component 16 and y-component -16.

Learn more about vectors at brainly.com/question/3184914

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2 years ago

A large pizza at pizza hut has twelve slices. if mark ate 1/4 of the pizza, how many slices of pizza did he eat ?

Anna11 [10]

3 SLICES OF PIZZA IS THE ANSWER

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3 years ago

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GrogVix [38]

Answer:B i think

Step-by-step explanation:

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3 years ago

The number 0.35 is a(n) __________ number because __________.

Aleks04 [339]

I'm not sure it is for sure a real number or a rational number.

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3 years ago