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Klio2033 [76]
3 years ago
14

Select the action you would use to solve x/4 = 16. Then select the propertys that justifies that action.

Mathematics
1 answer:
Dafna11 [192]3 years ago
6 0

Answer:

The right options are A and D.

Step-by-step explanation:

1. Option A.

The action is:Add 3 to both sides. This means that we need to do the following operation:

x - 3 = 12

∴ x - 3 + 3 = 12 + 3

∴ x = 15

So, the solution of this problem is x = 15.

2. Option D.

The property is:Addition property of equality. This is the property we are chosen because we need to isolate the variable x. To do that, we need to add a number of each side of the equation to find our goal and this property allows us to get our goal.

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Paula’s painting has a perimeter of 1.47 meters. She wants to put ribbon around the edge. If the ribbon comes in pieces that are
julia-pushkina [17]

Answer:

6

Step-by-step explanation:

Each centimeter is equal to .01 meters

Or 100 centimeters = 1 meter

So if we convert Paula’s painting perimeter of 1.47 meters to centimeters, it would be 147 centimeters.

Now, since each ribbon comes in pieces that are each 25cm, we know are left with an easy division problem 147 divided by 25 or 5.88.

Since she needs the least amount of ribbons that it would take to wrap around the perimeter of the painting, we know it would be 6 because 6x25 = 150cm.

3 0
4 years ago
Find the value of c such that the expression is a perfect square trinomial
Alika [10]

Answer:

c = 4

Step-by-step explanation:

In a perfect square trinomial, the following relationship is true:

(x+y)^2=x^2+2xy+y^2

In order for the given expression to be a perfect square trinomial:

x^2=x^2\\4x=2xy\\c=y^2

Solving for 'c':

4x=2xy\\y=2\\c=y^2=2^2\\c=4

Therefore, c must be equal to 4.

6 0
3 years ago
The cost of 3 large candles and 5 small candles is $6.40. the cost of 4 large candles and 6 small candles is $7.50. which pair o
cricket20 [7]
T = large candles and s = small candles

3t + 5s = 6.40
4t + 6s = 7.50

^^ this would be ur system of equations
8 0
4 years ago
Read 2 more answers
What is the measure of angle X?<br> Enter your answer in the box
LuckyWell [14K]
So all angles within a triangle should add up to 180, 102+31= 133 then subtract. 180-133=47
X-47
5 0
4 years ago
When Elena makes bird food, she usually mixes 9 cups of seeds with 6 tablespoons of maple syrup. However, today she is short on
svetlana [45]

Answer:3 cups of seeds and 2 tablespoons of maple syrup

-OR-

6 cups of seeds and 4 tablespoons of maple syrup

Step-by-step explanation:

As this is a ratio of 9:6: "for every 9 cups of seeds, there is 6 tablespoons of maple syrup"

The original ratio is 3:2 "for every 3 cups of seeds, there is 2 tablespoons of maple syrup"

Using this ratio, we can infer that 3:2 or 6:4 would be a simpler answer for this problem. If there is doubt, it would be better to use 3:2 as it is the smallest ratio.

7 0
3 years ago
Read 2 more answers
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