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crimeas [40]
4 years ago
10

I need help with number 3 on solving quadratic equations by the quadratic formula

Mathematics
1 answer:
max2010maxim [7]4 years ago
6 0
The answer is x=8 or x=-13
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Factorise the following
ASHA 777 [7]

Answer:

4ny²+4n²-4n-8+y⁴-2y²

3 0
3 years ago
20 POINTS) Linda has to buy stickers, erasers, and a pencil. She can only spend $3. A sticker costs $0.35, an eraser costs $0.99
jasenka [17]

Answer:

No, because the total will be $3.62

Step-by-step explanation:

When we substitute with 3 and 2 shown below

0.35(3)+0.99(2)+0.59 we get 3.62, which is greater than 3 dollars.

Hope this helped<33

8 0
2 years ago
Read 2 more answers
Rectangle RSTU and the image R’S’T’U’ are graphed on the coordinate grid below.
Ksju [112]

The rectangle  R’S’T’U’ is a 90° counterclockwise rotation of RSTU so options (A) and (C) will be correct.

<h3>What is a rectangle?</h3>

The rectangle is a geometrical figure in which opposite sides are equal.

The angle between any two consecutive sides will be 90 degrees.

Area of rectangle = length × width.

Perimeter of rectangle = 2( length + width).

Given the rectangle RSTU if we plot it then it becomes a major horizontal rectangle.

If we transpose into R’S’T’U’ then it rotates 90 degrees counterclockwise and becomes a major vertical ractangle.

Hence the rectangle RSTU will rotate 90° counterclockwise to form  R’S’T’U’.

For more about rectangles,

brainly.com/question/15019502

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5 0
2 years ago
What's the answer to this <br>4 (w+1)-4w <br>I nee help!
kompoz [17]

Question

what's the answer to this  

4 (w+1)-4w


Answer:

<h2>4</h2>

Step-by-step explanation:


4 (w+1)-4w =

4w + 4 - 4w =

4

5 0
3 years ago
1 p
dlinn [17]

Answer:

V = pi * R^2 * h

R = (V / (pi * h))^1/2 = (141.3 / (3.14 * 5))^1/2 = 3 cm

8 0
3 years ago
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