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fredd [130]
3 years ago
13

Please help me with the problem

Mathematics
1 answer:
katrin2010 [14]3 years ago
3 0

Answer:

See the attachment.

Step-by-step explanation:

The approach is to take advantage of the definition of a perpendicular bisector to show the base lengths and right angles are congruent, then use SAS with the second side being CD (congruent to itself). It's mainly a matter of deciding what the various reasons are called.

It seems the goal is to show that AC = BC as marked.

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I need help with this ​
gayaneshka [121]

Answer:

yes it is a function

the domain is (-3, 8]

the range looks like (-5, 2.5]

Step-by-step explanation:

using the vertical line test, you can find that it is a function

the domain is all the x values between -3 and 8. -3 is not included since there is an open circle

The range is all the y values

3 0
3 years ago
Curtis threw 15 darts at a dartboard. 40% of his darts hit the bull's-eye. How many darts did not hit the bull's-eye?
ValentinkaMS [17]
<span>Curtis threw 15 darts at a dartboard. 40% of his darts hit the bull's-eye.
Let’s find out how many darts did not hit the bull's-eye.
=> 15 darts = 100%
=> 40% of 15 hits bull’s eye.
Now let’s solve:
=> 40% / 100% = .40
we need to get the 40% value of 15 to know how many darts was able to hit bull’s eye.
=> 15 * .40 = 6 darts
Thus, out of 15, 6 of the darts hit bull’s eye,.</span>



6 0
3 years ago
A notebook company makes notebooks with covers in 2 different colors. A school district ordered 301 notebooks in each color. How
Fantom [35]
Answer is 602 because we just take 301 times 2 because there is only two types of book in company and 301 book are ordered in each type so we just take 2 times 301
5 0
2 years ago
Given the functions f(x) = x2 + 6x − 1, g(x) = –x2 + 2, and h(x) = 2x2 − 4x + 3, rank them from least to greatest based on their
nevsk [136]
Axis of symmetry = x = -b/2a
where y = ax² + bx + c

f(x) = x² + 6x - 1 ⇒ a = 1 ; b = 6 ; c = -1
x = -(6)/2(1) = -6/2 = -3

g(x) = -x² + 2 ⇒ a = -1 ; b = 0 ; c = 2
x = -0/2(-1) = 0/-2 = 0

h(x) = 2x² - 4x + 3 ⇒ a = 2 ; b = -4 ; c = 3
x = -(-4)/2(2) = 4/4 = 1

least :       f(x) = x² + 6x - 1    ; axis of symmetry is -3
middle :    g(x) = -x² + 2         ; axis of symmetry is 0
greatest :  h(x) = 2x² - 4x + 3 ; axis of symmetry is 1
5 0
3 years ago
Read 2 more answers
Two angles of a triangle measure 120 and 40°.
Elis [28]
The answer is the letter C
4 0
3 years ago
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