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Aleonysh [2.5K]

2 years ago

7

Which congruence theorem can be used to prove ABR = RCA?

1 answer:

vivado [14]2 years ago

8 0

Answer: The HL Theorem can be used to prove ABR ≅ RCA because both triangles share the same hypotenuse and a leg. The HL theorem states that If the hypotenuse and one leg of a right triangle are congruent to the hypotenuse and one leg of another right triangle, then the triangles are congruent.

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What is the value of x ???

k0ka [10]

Answer:

D. $2\sqrt {133}$

Step-by-step explanation:

${x}^{2} = {18}^{2} + ( {12}^{2} + {8}^{2} ) \\ \\ {x}^{2} = 324 + (144 + 64) \\ \\ {x}^{2} = 324 + 204 \\ \\ {x}^{2} = 528 \\ \\ x = \sqrt{532} \\ \\ x = \sqrt{4\times 133} \\ \\ x = 2\sqrt {133}$

6 0

3 years ago

Find the equation of a line that contains the points (3,7) and (-6, 4). Write the equation in slope-intercept form, using

NikAS [45]

Answer:

$y=\frac{1}{3} x+6$

Step-by-step explanation:

$(3,7)(-6,4)$

Step 1. Find the slope (by using the slope-formula)

m = slope

$m=\frac{y_2-y_1}{x_2-x_1}$

$m=\frac{4-7}{-6-3}$

$m=\frac{-3}{-9}$

$m=\frac{3}{9}$

$m=\frac{1}{3}$

Step 2. Write the equation (using the slope and the points)

Here's how to do it:

Slope-intercept Formula $y=mx+b$ whrere m = slope and b = y-intercept

Plug in the slope into the Slope-intercept Formula

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

Find the y-intercept (b) by using a point and substituting their x and y values

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

Point: (3, 7)

$7=\frac{1}{3} (3)+b$

$7=1+b$

$b=7-1$

$b=6$

Step 3. Write the equation in Slope-intercept form

$y=mx+b$

$y=\frac{1}{3} x+6$

3 0

2 years ago

The length of 9 ants measure 3.51 inches. What is the length of 25 ants measured in inches if each ant is 1 cementer long?

valentina_108 [34]

Answer:

if 9 ants=3.51inches

25 ants =x

therefore by cross multiplication

x= 25*3.51 /9 =9.8 inches

answer:B

8 0

2 years ago

Read 2 more answers

Plzz help asap.......

SSSSS [86.1K]

Answer:

29.78 feet

Step-by-step explanation:

4 0

3 years ago

Which equation represents a line that is perpendicular to the y-axis?

Sindrei [870]

Answer:

C, $y=-8$

Step-by-step explanation:

$y=-8$ , is a horizontal line, which makes it vertical to the y-axis

6 0

3 years ago