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3 years ago

Alice purchased 4 1⁄2 kilograms of olive oil for $27. What is the price per kilogram

Mathematics

2 answers:

wolverine [178]3 years ago

7 0

4.5 / 27 : 1/x
27 X 1 : 27
27 ÷ 4.5 : 6
So, $6 per Kilogram

Bas_tet [7]3 years ago

5 0

Do 27 divided by 4 1/2 or 4.5. That will be your answer. Let me know if this helps!

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Find the PERCENT of change.<br> 20 dogs to 5 dogs

aliya0001 [1]

Answer:

75%

Step-by-step explanation:

20-5=15 - change in numbers

15/20×100%= 75%

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3 years ago

Please help me asap its the end of the year and i need to get this in

Mademuasel [1]

Answer:

it would be 200 units

Step-by-step explanation:

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The length of a concrete slab is three more than three times the width. It's area is 330 square feet. What is the length of the

marin [14]

Answer:

Width: 10.5 feet

Length: 31.5 feet

Step-by-step explanation:

Let x represent width of the concrete slab.

We have been given that the length of a concrete slab is three more than three times the width. So length of the slab would be $3x$ .

We are also told that the area of slab is 330 square feet. We can represent this information in an equation as:

$x\cdot 3x=330$

$3x^2=330$

$x^2=\frac{330}{3}$

$x^2=110$

Now, we will take square root of both sides.

$\sqrt{x^2}=\sqrt{110}$

$x=10.488\approx 10.5$

Therefore, the width of slab is approximately 10.5 feet.

The length of the slab would be $3x\Rightarrow3(10.5)=31.5$ .

Therefore, the length of slab is approximately 31.5 feet.

6 0

3 years ago

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mrs_skeptik [129]

Answer:

the 1st & last paras are fixed.

that leaves 3 to be put in any order

there are 3 choices for the 1st,

2 choices left for the 2nd

and just 1 choice for the last

multiply to get

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3 years ago

What are the solutions of the inequality? graph and check the solutions.

sattari [20]

Answer:

Option 3: $x \ge 8$

Graph C

Step-by-step explanation:

Find the solution of $-\frac{x}{4} \le 2$

$-\frac{x}{4} \le 2$

$-x \le 8$ (multiplication property of equality)

Divide both sides by -1. Since we are dividing by a negative number, the sign would change

$x \ge 8$

This means that the possible values of x are 8 and any number above 8.

Graphing this, the arrow of directed line would start at 8 and move towards our right hand.

Thus, the graph would be graph C in option C.

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3 years ago