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3 years ago

Need help asap pls!!!

Mathematics

1 answer:

lisabon 2012 [21]3 years ago

3 0

Answer:

Step-by-step explanation:

According to the given description, PS is the mid segment of the $\triangle TQR$

Therefore by Mid-segment Theorem:

$PS = \frac{1}{2} QR \\ \\ PS = \frac{1}{2} \times 32 \\ \\ PS =16 \:$

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Given m ||n, find the value of x. + (8x-7) m (9X-28)

Korvikt [17]

Answer:

x = 21

General Formulas and Concepts:

Geometry

Corresponding Angles - Angles that are congruent to each other and occur with parallel lines

Step-by-step explanation:

Step 1: Identify

We see that the measures given are Corresponding Angles

Step 2: Solve for x

Set up equation: 8x - 7 = 9x - 28
Subtract 8x on both sides: -7 = x - 28
Add 28 on both sides: 21 = x
Rewrite: x = 21

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3 years ago

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grin007 [14]

Answer:

Step-by-step explanation:

12.50 x 5 = 62.5

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3 years ago

Is there a commutative property of subtraction that states a-b=b-a? investigate and make a conclusion that you justify.

Rom4ik [11]

No is your answer

Assuming that b ≠ a, the answers will not be the same.

For example, (remembering that b ≠ a) let us assume that b = 10, a = 5

10 - 5 = 5

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5 ≠ -5

So the commutative property of subtraction does not work unless in certain cases, in which a = b.

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3 years ago

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Svet_ta [14]

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4 years ago

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The graph below represents Function R

Phoenix [80]

Option A: The rate of change of Function R is less than the rate of change of Function S because $\frac{2}{3}$ is true.

Explanation:

The function $S=3x-1$

The equation for function R can be determined using the slope formula,

$y=mx+b$

The y-intercept is the value of y, when x = 0.

Thus, the y-intercept is $b=1$ .

To determine the slope, let us substitute the coordinates $(0,1)$ and $(3,3)$ .

Because, the points on the straight line have the same slope.

Thus, we have,

$m=\frac{y_2-y_1}{x_2-x_1} \\m=\frac{3-1}{3-0} \\m=\frac{2}{3}$

Thus, $m=\frac{2}{3}$ and $b=1$

Let us substitute these values in the formula $y=mx+b$ , we get,

$y=\frac{2}{3} x+1$

Hence, the equation of R is $y=\frac{2}{3} x+1$

The equation of S is $y=3x-1$

Comparing the slope of these two equations, we have,

$\frac{2}{3}$

This means that the slope of R is less than the slope of S.

Hence, The rate of change of Function R is less than the rate of change of Function S because $\frac{2}{3}$

Thus, Option A is true.

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4 years ago