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Ostrovityanka [42]

4 years ago

7

Point x is located at (-3,-4) and point Y is located at (6,-4). What is the distance between these two points?

1 answer:

mart [117]4 years ago

7 0

Answer:

9

Step-by-step explanation:

Distance between two points is given as;

Square root [(X2-x1) 2+ (y2-y1)2]

= (6-(-3))2 +(-4-(-4))2

=Square root (81 +0)

=9

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Secants AC and DB intersect at point E inside the circle. Given that the measure of arc CD = 40o, arc AB = 60o, and arc BC = 160

s344n2d4d5 [400]

Answer:

C. $130^{\circ}$

Step-by-step explanation:

Please find the attachment.

We have been given that secants AC and DB intersect at point E inside the circle. Given that the measure of arc $CD = 40^o$ , arc $AB = 60^o$ , and arc $BC = 160^o$ . We are asked to find the measure of angle AED.

We know that the measure of angle formed by two intersecting secants is half the sum of measure of the arcs by intercepted by the angle and its vertical angle.

$\angle AED=\frac{\widehat{BC}+\widehat{AD}}{2}$

Let us find measure of arc AD by subtracting measure of given arcs from 360 degrees as:

$\widehat{AD}=360^{\circ}-(60^{\circ}+40^{\circ}+160^{\circ})$

$\widehat{AD}=360^{\circ}-(260^{\circ})$

$\widehat{AD}=100^{\circ}$

$\angle AED=\frac{160^{\circ}+100^{\circ}}{2}$

$\angle AED=\frac{260^{\circ}}{2}$

$\angle AED=130^{\circ}$

Therefore, measure of angle AED is 130 degrees and option C is the correct choice.

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3 years ago

Combine like terms: <br>3a + 4b - 6b + 12 - 4

stepan [7]

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Convert the standard equation to vertex form.<br> f(x) = 3x^2+ 18x – 7

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6. The value of (tan 1° tan2º tan 3º ... tan 89°) is

Thepotemich [5.8K]

Answer:

1

Step-by-step explanation:

Using the trigonometric identities

tan(90 - x) = cotx , cotx = $\frac{1}{tanx}$

Given

tan1tan2tan3....................... tan87tan88tan89

= tan1tan2tan3............... tan(90-3)tan(90-2)(tan90 - 1)

= tan1tan2tan3.............. cot3cot2cot1

= tan1cot1tan2cot2tan3cot3 ........................

= 1 × 1 × 1 ×....................... × 1

= 1

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3 years ago

sixty four students are going on a field trip there is 1 adult for every 8 students how many adults are there ?

Lubov Fominskaja [6]

There will be 8 adults

7 0

4 years ago

Read 2 more answers