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xxTIMURxx [149]
3 years ago
7

Write the equation of a line that has a slope of -7 and a y intercept of 9. ( Hint: Use the formula y = mx + b )

Mathematics
2 answers:
iogann1982 [59]3 years ago
8 0
The y intercept is 9 and the unit rate is -7

So we plug these numbers in
y= -7x (the unit rate)+ 9 (y intercept)

y= -7x+9
Veronika [31]3 years ago
4 0
Y= -7x+9
Have a great day
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The Window has the shape of a kite. How many square meters of glass were used to make the Window
Elan Coil [88]

The window that has the shape of a kite has the area of the glass as 648 centimetre squared.

<h3>What is area of a figure?</h3>

Area can be defined as the space occupied by a flat shape or the surface of an object. Therefore,

The window is the shape of a kite. Therefore, the square meters of the glass used for the window is the area of the window(kite).

Therefore,

area of kite = ab / 2

where

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Therefore,

a = 18 + 18 = 36 cm

b = 15 + 21 = 36 cm

area of the window = 36 × 36 / 2 = 1296 / 2 = 648 cm²

learn more on area here:brainly.com/question/2494000

4 0
2 years ago
HELP ASAP PLEASE!! The Great Pyramid of Cheops is the largest pyramid in the world. It was built around 2500 B.C. by Khufu, or C
OlgaM077 [116]

Answer:

138, 460 m²

Step-by-step explanation:

How To Find Volume of Pyramid With Slant Height? If 'x' is the base length, 's' is the slant height, and 'h' is the height of a regular pyramid, then they satisfy the equation (the Pythagoras theorem) (x/2)2 + h2 = s2.

8 0
3 years ago
The population of Earth is estimated to be 7.4 billion people, or 7,400,000,000. What is this number in scientific notation?
Nitella [24]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
What is the unit rate if there are 258 purple polka-dot pencils in 3 purple polka-dot purses?
stiks02 [169]
Unit rate means one. So the best way to solve this is using a proportion over one. If there are 258 pencils in 3 purses 258/3 then how many are in one purses x/1. Cross multiply next. 258/3 * x/1. You get 3x and 258. To get the x alone, divide both sides by three. Your answer is 86 pencils in one purse.
4 0
3 years ago
Help PLSSS :(<br><br> This is important lol
zalisa [80]

Answer:

66

Step-by-step explanation:

You divide the two figures up. So there's a square and a rectangle,right? So then the perimeter is the sum of all sides so for the square all sides are equal so 5+5+5+5 since it has four sides. And for the rectangle it's 7+16+7+16. I got 16 by adding 5+11 since 11 meters is just a portion of the length of the rectangle not the whole thing. Then you add the answer you got for the square by the answer you got for the rectangle.Ur probably not gonna read this but whatever

7 0
3 years ago
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