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kirill [66]
3 years ago
5

What is the sum of 4.5 + 3.2 + (-7.5)

Mathematics
1 answer:
DochEvi [55]3 years ago
6 0

Answer:

0.2

Step-by-step explanation:

4.5 + 3.2 = 7.7

7.7 - 7.5 = 0.2

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In a 30% off sale, the price of an item is reduced by £27.
Serggg [28]

Answer: the original cost of the item is 90$

Step-by-step explanation:

30% off of the item = 27$

27 dollar is 30% of the item

thus 27 = 0.30X

0.30X = 27

time both side by 10

3X = 270

270/3 = 90

3 0
2 years ago
I need help on number 8 please
belka [17]
Well, the area of a trapezoid is A = (b_{1} + b_{2}) * h * 1/2 so you can use the area of a parallelogram, which is A = l * w, by splitting the trapezoid into 2 triangles and one rectangle. So you'd use A = l * w for the rectangle and A = 1/2bh for the triangles. You'd get the same answer!
8 0
2 years ago
Peter is wants to lose weight. He is105Kg. His aim is to lose 500 g Per week. If he managed this, how many weeks will it be unti
natali 33 [55]

105 - 90 = 15kg

500g = 1/2 kg

Peter is 15kg overweight.

15 x 2 = 30

It will take him 30 weeks for this.

8 0
3 years ago
Solve the inequality 6x - 8 > 4x + 26.
Mashutka [201]

Answer:

the answer is x>17 I hope it helps you and next time use mathpapa

3 0
3 years ago
Which is the best first step to write this in standard form?
goldenfox [79]

Answer:

<em>Set the function equal to 0</em>

Step-by-step explanation:

<u>Standard Form of the Quadratic Equation</u>

The form

ax^2+bx+c=0

is called the standard form of a quadratic equation. It can be clearly identified the terms of a second-degree polynomial equated to 0.

The equation is given in the form:

2(x-4)^2-3=8

And we need to operate the expression to make it look like a standard form. The first logical step should be to set the function equal to 0 and then start to operate the resulting expression. It can be done by subtracting 8 on both sides of the equation:

2(x-4)^2-3-8=0

Answer: Set the function equal to 0

4 0
3 years ago
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