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daser333 [38]
3 years ago
7

HELP FAST PLEASE!!!

Mathematics
2 answers:
Firlakuza [10]3 years ago
4 0
I hope it isn't too late! Here is what I have.
1B
2D
3A
Lelechka [254]3 years ago
4 0

Answer:

B, D, A are the answers

Step-by-step explanation:

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3x+y=5  2x-2y=-2 solving systems of equations
yarga [219]
3x+y=5 \ \ /*2 \\ 2x-2y=-2 \\ \\ 6x+2y= 10\\ 2x-2y=-2 \\ + ----- \\8x=8 \ \ / :8\\x=1 \\ \\3*1+y=5 \\ y=5-3\\y=2\\ \\ Answer : \\ \\ x=1 \\ y=2
4 0
3 years ago
Read 2 more answers
the length of a rectangle exceeds its width by 17 inches, and the area is 18 square inches. what are the length and width of the
dimaraw [331]

The length and width of the rectangle are 18 in and 1 in, respectively.

<h3>Quadrilaterals</h3>

There are different types of quadrilaterals, for example, square, rectangle, rhombus, trapezoid, and parallelogram.  Each type is defined accordingly to its length of sides and angles. For example, in a rectangle,  the opposite sides are equal and parallel and their interior angles are equal to 90°.

The area of a rectangle can be found for the formula : b*h, where b = base and h =height.

For this question, the length exceeds its width by 17 inches - L=W+17. Here, the length is the base and the width is the height. Thus,  from the value of area given, you can find the values of the length and width of the rectangle.

A=b*h

18=(W+17)*W

18=W²+17W

W²+17W-18=0

Solving this quadratic equation, you have:

w_{1,\:2}=\frac{-17\pm \sqrt{17^2-4\cdot \:1\cdot \left(-18\right)}}{2\cdot \:1}

w_{1,\:2}=\frac{-17\pm \:19}{2\cdot \:1}

w1=1 and w2= -18

For dimensions, only positive numbers must be used. Then, the width is equal to 1 inch.

As, the area (l*w) is 18 in², see.

18=l*w

18=l*1

l=18 in

Read more about the area of rectangle here:

brainly.com/question/25292087

#SPJ1

5 0
1 year ago
6x-9=y ; y=-3x linear equations solution for x and y I need help can someone explain
snow_lady [41]
The answer is
 x = 1 and y = -3
<span>[1] 6x-9=y [2] y=-3x</span>
7 0
3 years ago
1. What is the solution of n^2-49=0?
Effectus [21]

<u>Answer:</u>

<h2>1. a</h2><h2>2. b</h2><h2>3. b</h2><h2>4. b</h2><h2>5. 22</h2>

<u>Explanation:</u>

1.

n²-49=0

n=√49

n=7

2.

x²+64=0

x=√64

x=8

3.

if A=144x²

l = √A

l = √(144x²)

l = 12x

4.

b = (24×2)/3b

b = 48/3b

b = 16/b

b² = 16

b = √16

b = 4 in <em>(-4 is correct in algebra but there's no negative lengths in geometric shapes)</em>

5.

x²+z = 103

x² = 103-z

x = √(103-z)

for x = -9 and 9    (103-z) must equal 81

z = 103 - 81 = 22

x = √(103-22)

x = √81

x = -9 , 9

7 0
2 years ago
Hcf of 32 and 48 pls
DENIUS [597]

Answer:

16 is the Highest Common factor of 32 and 48

Stay safe, stay healthy and blessed.

Have a great day !

Thank you

7 0
2 years ago
Read 2 more answers
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