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Vlada [557]
3 years ago
9

What is the length of side BC of the triangle?

Mathematics
1 answer:
aalyn [17]3 years ago
8 0
The length of bc is 72
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So the question ask to determine how long that the wooden artifact found in an ancient tombs and contains 70% of the carbon-14 was made, and base on the fact and the given data about the said artifact, the possible answer would be that the the artifact is 2948 years old. I hope you are satisfied with my answer 
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3 years ago
What are the solutions to the equation?
olga2289 [7]

Answer:

x = −10 and x = 4

Step-by-step explanation:

x2 + 6x = 40

Subtract 40 from each side

x^2 + 6x -40 =0

Factor,  what 2 numbers multiply to -40 and add to 6

10 * -4 = -40    10+-4 = 6


(x+10) (x-4) = 0

Using the zero product property

x+10 =0     x-4=0

x=-10    x=4

6 0
3 years ago
Read 2 more answers
WILL MARK BRAINLIEST!!
NikAS [45]

Answer:

3.58

Step-by-step explanation:

Given :

y = 2x + 4 -------- eq1

y = 2x - 4 -------- eq2

sanity check : both equations have same slope, so we can conclude that they are both parallel to one another.

Step 1: consider equation 1, pick any random x-value and find they corresponding y-value. we pick x = -2

This gives us y = 2(-2) + 4 = 0

Hence we get a point (x,y) = (-2,0)

Step 2: express equation 2 in general form (i.e Ax + By + C = 0)

y = 2x-4 -------rearrange---> 2x - y -4 = 0

Comparing with the general form, we get A = 2, B = -1, C = -4

Recall that the distance between 2 parallel lines is given by the attached formula (see attached picture).

substituting the values for A, B, C and (x, y) from the previous step:

d = | (2)(-2) + (-1)(0) + (-4) |  / √(2² + (-1)²)

d = | -4 + 0 - 4 |  / √(4 + 1)

d = | -8 |  / √5

d = 8  / √5

d = 3.5777

d = 3.58 (rounded 2 dec. pl)

6 0
3 years ago
Jennifer has 82.5 yards of fabric to make curtains. She makes 8 identical curtains and has 7.3 yards of fabric remaining. How ma
stepan [7]

Answer:

9.4 yards

Step-by-step explanation:

If 7.3 yards of fabric are remaining, then Jennifer uses 82.5-7.3=75.2 yards of fabric.

Jennifer uses 75.2 yards of fabric to make  8 identical curtains, then

75.2:8=9.4 yards of fabric Jennifer uses per curtain.

3 0
3 years ago
If the coordinates of B are (1,-5) what are coordinates of B The image of B after R90​
creativ13 [48]

Answer:

what is r90 and I will be able to answer

Step-by-step explanation:

6 0
2 years ago
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