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VARVARA [1.3K]
3 years ago
9

In the right triangle shown m angle A =45° and AB=12 how long is BC?

Mathematics
2 answers:
viva [34]3 years ago
6 0

Answer:

8.48 = x

Step-by-step explanation:

sin45 = x / 12

12sin45 = x

8.48 = x

gtnhenbr [62]3 years ago
4 0

Answer: there u go this the correct answer if your on khan academy.

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Find the value of the expression 4a4 − 2b2 + 40 when a = 2 and b = 7
vovangra [49]

Answer:

74

Step-by-step explanation:

4(2) raise to power 4 - 2(7) raise to power 2 +40

4(16) - 2(49) +40

64-98+40

64- 138

74

4 0
3 years ago
James defines a circle as the set of all the points equidistant from a given point. His statement is not precise enough because
lana66690 [7]

A circle has a center, radius, diameter and points in a plane. Depending on the context, the definition of a circle must contain at least one of the following terms:

Center

Radius

Diameter

Points in a plane

The complete question is as follows:-

James defines a circle as "the set of all the points equidistant from a given point." His statement is not precise enough

because he should specify that

A circle includes its diameter

The set of points is in a plane

A circle includes its radius

The set of points is collinear

<h3>What is a circle?</h3>

A circle is a two-dimensional geometry on the plane having a center point and the circular line is drawn equidistant from the center point.

Based on James' definition of a circle, he needed to specify that the points are in a plane (option c).

As presented in his definition "the set of all the points" can be interpreted in several ways. Some of which are:

the set of points on a line

the set of points in a plane

the set of points in a region

Etc

Of these numerous possible interpretations, James should have specified that the set of points is in a plane

To know more about circles follow

brainly.com/question/24375372

#SPJ1

4 0
2 years ago
What is j in the equation j divided -2 +7 = -12
WINSTONCH [101]

Answer:

hope it helps uh..........

4 0
3 years ago
Read 2 more answers
What is the sum of 9 7/8 plus 11 2/8?
slamgirl [31]

Answer:

169/8

Step-by-step explanation:

9 7/8 = 79 / 8

11 2/8 = 90 / 8

90/8 + 79/8

The denominator (8) stays the same

90+79 = 169

169/8 or 21 1/8

8 0
2 years ago
Graph the line with slope 1/2<br> passing through the point (-4,1).
dem82 [27]

Answer:

from (-4,1) the line will go up to (-2,2) then (0,3)

Step-by-step explanation:

the slope 1/<em>2</em> dictates that the line will go up by 1 unit for every <em>2</em> units, then we just plot said line from the point given (<em>-4</em>,1) where we go up y by 1 and we go left on <em>x</em> by <em>2</em>

image could not be provided at this time, tho the line will have a slope that is between horizontal and increasing (to the left) at roughly 30 degrees ish

5 0
3 years ago
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