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Fudgin [204]
3 years ago
8

HELP PLEASE I NEED FOR A QUIZ!

Mathematics
2 answers:
ELEN [110]3 years ago
8 0
The answer is D 16a: 1,2,3,4,8,16 and 18ab:1,2,3,46,9,18 a,b
wolverine [178]3 years ago
7 0

Answer:

d

Step-by-step explanation:

You might be interested in
The area of a square is 225cm². On the map drawn to scale 1 : 3 find the area of the square​
Olin [163]

Answer:

25 cm^2

Step-by-step explanation:

A scale drawing is a reduced form in terms of dimensions of an original image / building / object

the scale drawing is usually reduced at a constant dimension

scale of the drawing = original dimensions / dimensions of the scale drawing

Area if a square = length²

225 =  length²

length = √225

length = 15

if the map is drawn to scale of 1 : 3

the length on the map = 15/3 = 5

area of the square 5 x 5 = 25

8 0
3 years ago
A reflection of a figure can change which of the following.
kotykmax [81]

Answer:

Orientation

Location I think

Step-by-step explanation:

7 0
4 years ago
What is the solution to the system of equations?
gtnhenbr [62]

Answer:

Can you check your equation?  None of the solutions work out.

Step-by-step explanation:

4 0
3 years ago
X^2 + 1/2x + = 2 + <br> Help please
Gennadij [26K]

Answer:

Step 2:

For Completing the square,

(\frac{1}{2} coefficient\ x)^{2} =(\frac{1}{2}\times \frac{1}{2})^{2}=\frac{1}{16}

Add half coefficient of x square on both the side we get

x^{2}+\dfrac{x}{2}+\frac{1}{16}=2+\frac{1}{16}

Step-by-step explanation:

Solve:

2x^{2}+x-4=0

2x^{2}+x=4

Solution:

Step 1:

Dividing both the side by two we get

x^{2}+\dfrac{x}{2}=2

Step 2:

For Completing the square,

(\frac{1}{2} coefficient\ x)^{2} =(\frac{1}{2}\times \frac{1}{2})^{2}=\frac{1}{16}

Add half coefficient of x square on both the side we get

x^{2}+\dfrac{x}{2}+\frac{1}{16}=2+\frac{1}{16}

Step 3:

We know (a +b)^{2} = a^{2}+2ab +b^{2}

(x+\frac{1}{4})^{2}=\frac{33}{16} \\ \\(x+\dfrac{1}{4})=\pm \sqrt{\dfrac{33}{16}} \\\\x=-\dfrac{1}{4}\pm \sqrt{\dfrac{33}{16}}

6 0
4 years ago
at a certain real estate firm, realtor selling house recieve a comission:6% for the first 160,000 of the selling price, and 4% f
Natali [406]
Let the amount be x.

6% for the first 160000

= 6/100 * 160000 = 9600

4% for any amount exceeding 160000.

= 4/100 * (x -160000) = 0.04(x-160000)

The sum of both commission should be equal to 10560.

9600  +    0.04(x -160000)  = 10560

0.04(x -160000)  = 10560 - 9600

0.04(x -160000)  = 960  Divide by 0.04.

(x -160000)  = 960/0.04

(x -160000)  = 24000

x = 24000 + 160000 = 184000.

Selling price  = 184000
8 0
3 years ago
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