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Goryan [66]
3 years ago
5

Please which one is the correct one

Mathematics
1 answer:
Nimfa-mama [501]3 years ago
8 0

Answer:

Step-by-step explanation:

the last choice .. about 3 hours spent on math

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If the scale factor of sides is 3, then the scale factor of area is ___ and the scale factor of
snow_tiger [21]

Answer:

Here is an example: if we have a rectangle that has a length 3 and a height of 4 and the scale drawing with a scale factor of 2, how many times bigger is the scale drawings area? The original shape is 3 by 4 so we multiply those to find the area of 12 square units.

5 0
2 years ago
Read 2 more answers
I’ll give brainlist award please answer
lina2011 [118]
For answering multiple choice, you can do the following:

Observe the diagram, noting that one curve has positive slope, and the other has negative slope.
Looking at the equations,
if x and y are on the same side of the equal sign, (which is the case here), then
- coefficients of x and y have equal signs (both+, or both -) then the equation has negative slope.
- coefficients of x and y have different signs (+-, or -+), then the equation has positive slope.
We see the second system has both equations with positive slope, and the third system has both equations with negative slopes.  They're out!

Next, we check the y-intercept of the first equation (by setting x=0),
first system: 0+2y=-10 => y-intercept=-5, slope=-1/2 Good
fourth system: 0-2y=-10 => y-intercept=+5  No good.

Finally, check the x-intercept of the second equation of the first system (by setting y=0)
first system: 3x-0=12 => x-intercept = 12/3=+4, slope = +3  good

So we conclude the first system is the correct answer.
5 0
3 years ago
What shape would the cross section perpendicular to the base be? Why? A square B triangle C rectangle D trapezoid
erik [133]

Answer:

Step-by-step explanation:

Retangle

Thanks hope this helped

4 0
3 years ago
What is the product of −2 1/4 and 2 1/2?
Aleks04 [339]
-2 1/4*2 1/2 =-2.25*2.5 =-5.625
5 0
3 years ago
How do you find an exponential function given the points are (0,13) and (2,325)
slava [35]

Answer:

y = 13(5)^{x}

Step-by-step explanation:

An exponential function has the form

y = a b^{x}

To find a and b use the given points

Using (0, 13), then

13 = a b^{0} , since b^{0} = 1, then

a = 13, thus

y = 13 b^{x}

using (2, 325) , then

325 = 13 b² ( divide both sides by 13 )

25 = b² ( take the square root of both sides )

5 = b

y = 13 × 5^{x} ← is the exponential function

4 0
3 years ago
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