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ICE Princess25 [194]

3 years ago

10

Geometry please help thank you

1 answer:

pickupchik [31]3 years ago

6 0

Answer:

both students are technically correct

Step-by-step explanation:

when the figure is reflected its other half mirrors it which means that all sides and angles are the same.

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Lesson 2: Semester B Exam Algebra 1 B Unit 7

Oksana_A [137]

Answer:these weren’t all right

Step-by-step explanation:

4 0

3 years ago

-5+4y=-21 simplify your answer as much as possible <br>y=

nordsb [41]

4y=-21+5
4y=-16
y=4
simplified

3 0

3 years ago

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In HIJ, the measure of J=90°, IJ = 5.6 feet, and JH = 4.7 feet. Find the measure of

Volgvan

Answer: 40°

Step-by-step explanation: gave up on delta math

8 0

2 years ago

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How many integer solutions are there to the equation x1+x2+x3=0 if x1,x2,x3 > -5?

anyanavicka [17]

<span>x1+x2+x3=0 if x1,x2,x3 > -5?
and the solutions are integer
x1= - 4 and x2+x3=4 we count (-4;4;0), (-4;0;4), (-4;3;1), (-4;1;3), (-4; 2;2), (-4;2;2)
x1= -3 and x2+x3=3 we count (-3; 0;3), (-3;3;0), (-3;1;2), (-3;2;1)
x1= -2 and x2+x3=2 we count (-2;0;2). (-2;2;0), (-2;1;1)
x1= -1 and x2+x3=1 we count (-1;0;1), (-1;1;0)
x1=0 and (0;0;0), (0;1;-1), (0;-1;1)
There are 42 solutions
Have fun</span>

4 0

3 years ago

The area of a square in square feet is

Sedaia [141]

Answer:

Part 1) The expression for the perimeter is $P=4(25z-3)$ or $P=100z-12$

Part 2) The perimeter when z = 15 ft. is $P=1,488\ ft$

Step-by-step explanation:

Part 1)

we have

$625z^{2}-150z+9$

Find the roots of the quadratic equation

Equate the equation to zero

$625z^{2}-150z+9=0$

Complete the square

Group terms that contain the same variable, and move the constant to the opposite side of the equation

$625z^{2}-150z=-9$

Factor the leading coefficient

$625(z^{2}-(150/625)z)=-9$

$625(z^{2}-(6/25)z)=-9$

Complete the square. Remember to balance the equation by adding the same constants to each side

$625(z^{2}-(6/25)z+(36/2,500))=-9+(36/4)$

$625(z^{2}-(6/25)z+(36/2,500))=0$

Rewrite as perfect squares

$625(z-6/50)^{2}=0$

$z=6/50=0.12$ -----> root with multiplicity 2

so

The area is equal to

$A=625(z-0.12)(z-0.12)=[25(z-0.12)][25(z-0.12)]=(25z-3)^{2}$

The length side of the square is $b=(25z-3)$

therefore

The perimeter is equal to

$P=4b$

$P=4(25z-3)$

$P=100z-12$

Part 2) Find the perimeter when z = 15 ft.

we have

$P=100z-12$

substitute the value of z

$P=100(15)-12=1,488\ ft$

4 0

3 years ago