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Irina-Kira [14]
3 years ago
5

Jennifer is hanging a curtain in her bedroom. She wants the width of the curtain to be the same as the width of the window. If t

he window is 200 centimeters wide, how many meters wide should the curtain be?
Mathematics
1 answer:
shtirl [24]3 years ago
6 0

Answer:

Step-by-step explanation:

200 cm or 2 meters wide (since 1 meter = 100 cm)

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I have 8 pennies and some quarters, nickels, and dimes. The number of pennies plus nickels equals the number of dimes. I have 3
GenaCL600 [577]

The answer is D. 10 nickels

3 0
3 years ago
Read 2 more answers
Given the graph below, find the slope. <br><br> A. -3/2<br> B.3/2<br> C -2/3<br> D. 2/3
Irina18 [472]
The answer is or the slope is D 2/3
8 0
3 years ago
What's the answer people. Please help me
Shalnov [3]
Yes it is true........
5 0
3 years ago
Read 2 more answers
Help 3 and 4 please!!!!!!!!!!!!
aleksandrvk [35]
Easy peasy

the bit where it says
D={something}
those are the numbers you should input for x to get y values


3.
first solve for y to make life easier
-3x-5y=20
times -1
3x+5y=-20
minus 3x both sides
5y=-3x-20
divide both sides by 5
y=-3/5x-4
sub value of the domain
x=-10
y=-3/5(-10)-4
y=6-4
y=2
a point is (-10,2)

x=-5
y=-3/5(-5)-4
y=3-4
y=-1
(-5,-1) is another

x=0
y=-3/5(0)-4
y=-4
(0,-4) is another

x=5
y=-3/5(5)-4
y=-3-4
y=-7
(5,-7)

points are (-10,2), (-5,-1), (0,-4), (5,-7)



4.
input
x=-2
y=(-2)^2-3
y=4-3
y=1
(-2,1)

x=-1
y=(-1)^2-3
y=1-3
y=-2
(-1,-2)

x=0
y=(0)^2-3
y=-3
(0,-3)

x=1
y=(1)^2-3
y=1-3
y=-3
(1,-3)

x=2
y=(2)^2-3
y=4-3
y=1
(2,1)

the points are (-2,1), (-1,-2), (0,-3), (1,-2), (-2,1)

see graph below

5 0
3 years ago
A study of the relationship between age and various visual functions (such as acuity and depth perception) reported the followin
Mila [183]

Answer:

Σxi =56.61

Σxi²=196.23

Step-by-step explanation:

X be the random variable represents area of scleral lamina (mm2) from human optic nerve heads

Σxi can be obtain by adding all x values

Σxi=2.79+2.53+2.78+3.79+2.33+2.72+3.88+4.15+3.79+4.43+3.47+4.47+2.5+3.61+2.77+3.53+3.07=56.61

Σxi =56.61

Σxi² can be obtained by squaring x values and then adding them.

Σxi²=2.79²+2.53²+2.78²+3.79²+2.33²+2.72²+3.88²+4.15²+3.79²+4.43²+3.47²+4.47²+2.5²+3.61²+2.77²+3.53²+3.07²=196.233

Σxi²=196.23

8 0
3 years ago
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