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3 years ago

What is a rate that describes how much smaller or larger the scale drawing is than the real object

2 answers:

6 0

It depends on how the scale is on the map on a part of the scale it should have the numbers on it and in that distance that is how many miles/kilometers are there

snow_lady [41]3 years ago

5 0

It depends on how much bigger or smaller you wanna do it i us 1:5

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Solve the equation for a.

nataly862011 [7]

Answer:

a=-7.68

Step-by-step explanation:

3a+13.61=-9.43

-13.61

_____________

-23.04

3a=-23.04

-23.04/3= -7.68

7 0

2 years ago

Find the slope of the line through p(-9,-3) and q(-5,-15)

irina [24]

Slope = (-3 - (-15))/(-9 - (-5)) = - 12/4 = -3

4 0

3 years ago

Read 2 more answers

The difference of the squares of two positive consecutive even integers is 84. Find the integers.

ziro4ka [17]

Answer:

The two integers are 20 and 22.

Step-by-step explanation:

Let x be the first integer.

$(x+2)^{2}-x^{2} = 84\\x^{2} +4x+4-x^{2} = 84\\4x = 80\\x = 20$

3 0

2 years ago

Find the x and y intercept for -2x-5y=30

Ahat [919]

Answer:

see below

Step-by-step explanation:

-2x-5y=30

To find the x intercept, set y =0 and solve for x

-2x-5*0=30

-2x = 30

Divide each side by -2

-2x/-2 = 30/-2

x =-15

To find the y intercept, set x =0 and solve for y

-2*0-5y=30

-5y = 30

Divide each side by -5

-5y/-5 = 30/-5

y = -6

3 0

3 years ago

Read 2 more answers

Expression for all solutions to the equation cos(theta) = 1 + 3cos(theta)

OleMash [197]

$\cos\theta=1+3\cos\theta\implies 0=1+2\cos\theta\implies \cos\theta=-\dfrac12$

On the unit cirlce, the cosine of an angle is negative whenever the angle falls in the interval $\dfrac\pi2$ .

If you recall your special triangles, this cosine occurs for angles of $x=\dfrac{2\pi}3$ and $x=\dfrac{4\pi}3$ .

More generally, this occurs for $x=\dfrac{2\pi}3+2n\pi$ and $x=\dfrac{4\pi}3+2n\pi$ , where $n$ is an integer.

7 0

3 years ago