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3 years ago

How do I do this ???!

Mathematics

1 answer:

Reptile [31]3 years ago

8 0

Answer:

The answer is 24

Step-by-step explanation:

The top one is basicly 36÷3 and that = 12

The second one is 12+? So you have to find out what (?) is. You do this by doing 28-12=16 16÷2=8

The next one is 8-?=4 so what we do it 8-4=4

The final one is all the answers added together so 12+8+4= 24 -(sorry for any spelling mistakes)

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Harold bought 2 pairs of sandals for the same price. He also bought a pair of socks for $3. How much did one pair of sandals cos

DochEvi [55]

The answer would be each pair of sandals costed $14
$14+$14=28+$3=$31

6 0

3 years ago

Use algebraic means to show that x^2 + y^2 = 8 is not a function. Explain your process.

11Alexandr11 [23.1K]

Answer:

For a single value of x function has more than one corresponding value of y which satisfies the equation.

Step-by-step explanation:

Function: A relationship between a set of inputs and a set of possible outputs, where exactly one output is associated with each input.

It means for an equation to represent a function any single value of x there should be only one corresponding value of y which satisfies the equation.

Now consider the given equation.

$x^2 + y^2 = 8$

If we put x=0 then we get two value of y i.e $\sqrt8$ and $-\sqrt8$ which satisfy the equation and therefore the equation is not a function.

5 0

3 years ago

(Please help) What is the reason for each step in the solution of the equation?<br><br> 16−3x=x

lana [24]

16x - 3x = x is the Given,

16 = 4x is the Addition Property of Equality,

and

4 = x is the Division Property of Equality!

⭐ Please consider brainliest! ⭐

✉️ If any further questions, inbox me! ✉️

8 0

3 years ago

Read 2 more answers

20 POINTS

tigry1 [53]

This most definitely has to be a rhombus since it is a form of a square with 4 congruent sides where a rectangle only has 4 right angles.
To clarify, a trapezoid only has one pair of parallel sides if you were wondering.

8 0

3 years ago

WILL MARK BRAINLIST

hammer [34]

$2x +y = 20~~....(i)\\\\6x -5y = -4~~....(ii)\\\\\\\text{Multiply equation (i) by 3:}\\\\6x +3y = 60~~...(iii)\\\\(iii)-(ii):\\\\6x+3y - 6x+5y = 60-(-4)\\\\\implies 8y = 60+4 = 64\\\\\implies y = \dfrac{64}8\\\\\implies y = 8\\\\\\\text{Substitute y =8 in equation (i):}\\\\2x+8 =20\\\\\implies 2x = 20-8 = 12\\\\\implies x = \dfrac{12}2 = 6\\\\\text{Hence (x,y) = (6, 8)}$

4 0

2 years ago

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