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meriva
3 years ago
13

Answer all those 4 question

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
7 0
4. 11/3 = 3.667, so 3 in 1 and 4 in 2
5. 11 minutes
6. 33 minutes
7. 36 minutes
i think ;)
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Susan bought some potted plants. Petunias cost $7 per pot and begonias cost $8 per pot. She bought 22 potted plants and spent a
r-ruslan [8.4K]

Answer: she bought 13 petunias

Step-by-step explanation:

Let x represent the number of Petunias pot of flowers that she bought.

Let y represent the number of begonias pot of flowers that she bought.

She bought 22 potted plants. This means that

x + y = 22

Petunias cost $7 per pot and begonias cost $8 per pot. She spent a total of $163. This means that

7x + 8y = 163 - - - - - - - - - - - -1

Substituting x = 22 - y into equation 1, it becomes

7(22 - y) + 8y = 163

154 - 7y + 8y = 163

- 7y + 8y = 163 - 154

y = 9

x = 22 - y = 22 - 9

x = 13

4 0
3 years ago
Consider the following incomplete deposit ticket where "X" represents an unknown number: A deposit ticket. The amounts deposited
ELEN [110]

Considering that the amount deposited is the total deposited subtracted by the cash received, it is found that the amount that Kay deposit in cash and coins is given by:

d. $284. 50.

<h3>What is the net amount deposited?</h3>

It is given by the total deposited subtracted by the cash received.

In this problem, we have that:

  • The total deposited is 498 dollars and 1 cent.
  • The cash received was 213 dollars and 51 cents.

Hence, the deposit is of:

D = 498.01 - 213.51 = 284.5.

Hence option D is correct.

A similar problem, in which an expression is built and solved, is given at brainly.com/question/24812278

6 0
2 years ago
Find the length of the diagonal AD in the pentagon ABCDE shown in the coordinate plane.
Xelga [282]

Answer:

\sqrt{73} units.

Therefore, Option C is correct.

Step-by-step explanation:

We have given a pentagon ABCDE

We need to calculate its length

That means we have to find the distance of AD

So, coordinates of A(1,6) and D(4,-2)

Using distance formula:

\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Here,x_1=1,y_1=6,x_2=4,y_2=-2

On substituting the values we will get:

\sqrt{(4-1)^2+(-2-6)^2}

On simplification:

\sqrt{3^2+(-8)^2}

\sqrt{9+64}

\sqrt{73}.

Hence, the length of AD is  \sqrt{73} units.

Therefore, Option C is correct.

6 0
3 years ago
Use the substitution method to solve the system of equations. choose the correct ordered pair. 13x - 2y = 70 2x - 2y = 4
nevsk [136]
The answer is B (6,4)..... if you put 6 for x and 4 for y in 2x-2y=4 you will confirm i am right
8 0
3 years ago
Read 2 more answers
X+3y=28 when x =28 find the value for y plz help
Lisa [10]

Answer:

y = 0

Step-by-step explanation:

Plug in 28 for x. Solve for the equation:

x + 3y = 28

(28) + 3y = 28

Isolate the variable, y. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS. First, subtract 28 from both sides:

28 (-28) + 3y = 28 (-28)

3y = 0

Isolate the variable, y. Divide 3 from both sides:

(3y)/3 = (0)/3

y = 0

y = 0 is your answer.

~

4 0
3 years ago
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