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3 years ago

14

When a shape becomes smaller, what transformation is happening?

1 answer:

andrezito [222]3 years ago

4 0

Reflection: the object is reflected (or "flipped") across a line of reflection, which might be the x-axis, y-axis, or some other line. Dilation: the object stays the same shape, but is either stretched to become larger (an "enlargement") or shrunk to become smaller (a "reduction").

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If the first equation is multiplied by 3 and then the equations are added, the result is _____.

alina1380 [7]

To practice, what if the two are added now? lets add one term at a time. first the x terms. 3x+x= 4x. then y+-3y=-2y. finally 3+-2=1. now putting them together we get 4x-2y=1.

multiplying the first equation by 3 gets us 9x+3y=9. basically multiplying each term by 3. now just do the same thing from the first part, so start with the new 9x+x and continue

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40 . 8- 10 exponent 2

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Answer:

-92

Step-by-step explanation:

8 - (10^2)

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3 years ago

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B. Write the following in exponential notation.then identity the base and the exponent.

Alchen [17]

Answer:

1. $8^5$ , base is 8 and exponent is 5

2. $(-1)^7$ , the base is -1 and the exponent is 7

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3 years ago

Based on the data table, which equation accurately represents the situation?

8090 [49]

Answer:

The equation of the line is:

$y = 28x$

Hence, option C is correct.

Step-by-step explanation:

The slope-intercept form of the line equation

y = mx+b

where

m is the slope

b is the y-intercept

Given the table

Gallons Miles Driven

8 224

10 280

4 112

Finding the slope between any two points, let say (8, 224) and (10, 280)

$\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}$

$\left(x_1,\:y_1\right)=\left(8,\:224\right),\:\left(x_2,\:y_2\right)=\left(10,\:280\right)$

$m=\frac{280-224}{10-8}$

$m=28$

now substituting (8, 224) and m = 28 in the slope-intercept form of line equation

$y = mx+b$

224 = 28(8) + b

224 = 224 + b

b = 0

Thus, the y-intercept b = 0

now substituting b = 0 and m = 28 in the slope-intercept form of line equation

$y = mx+b$

$y = 28x+0$

$y = 28x$

Therefore, the equation of the line is:

$y = 28x$

Hence, option C is correct.

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3 years ago

- 7х — бу = 4<br>= – 3y + 8<br>×=<br>y=

Yuki888 [10]

X= -4

Y= 4

Coordinates (-4,4)

Amiyah. B

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4 years ago