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madam [21]
1 year ago
11

Which of the following would be a line of reflection that would map ABCD onto itself?

Mathematics
1 answer:
ser-zykov [4K]1 year ago
8 0
I’m not completely sure but B or C
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Finding changed average
allsm [11]

Answer:

15.

Step-by-step explanation:

The new average will be 11 + 4 = 15.

8 0
3 years ago
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F(x)=-x^2-5 find the range
lina2011 [118]

x =  \frac{ - b}{2a}  \\  =   \frac{0}{2(1)}  = 0 \\ f(0) = (0)^{2}  - 5 \\  = 0 - 5 =  - 5
The vertex is at (0,-5), therefore the range goes from (-infinity, - 5]
4 0
3 years ago
Solve -1/2w-3/5=1/5w
elena55 [62]
Very easy:

Common denominator:
-5/10w - 3/5 = 2/10w

- 3/5 = 7/10w

-30 = 35w

-30/35 = w

-6/7 = w


That's how you do it mate ;)
8 0
2 years ago
What is the solution to the system of equations? {x+2y=10y=12x+3
Marianna [84]

The solution to given system of equations are (x,y) = (\frac{4}{25} , \frac{123}{25})

<em><u>Solution:</u></em>

Given that we have to find solution to the system of equations

<em><u>Given equations are:</u></em>

x + 2y = 10  ------ eqn 1

y = 12x + 3 ------ eqn 2

We can solve the above equations by substitution method

<em><u>Substitute eqn 2 in eqn 1</u></em>

x + 2(12x + 3) = 10

x + 24x + 6 = 10

25x = 10 - 6

25x = 4

x = \frac{4}{25}

<em><u>Substitute the above value of x in eqn 2</u></em>

y = 12(\frac{4}{25}) + 3\\\\y = \frac{48}{25} + 3\\\\y = \frac{48+75}{25}\\\\y = \frac{123}{25}

Thus the solution to given system of equations are (x,y) = (\frac{4}{25} , \frac{123}{25})

5 0
3 years ago
A length of 5 cm on a map represents a distance of 2km on the ground .What length on the map represents an actual distance of 80
kipiarov [429]

Answer:

which means easily we understand by SI UNIT

0.05m=2kM

800M=???, USE cris cros

Step-by-step explanation:

finally answer will be 0.000032

4 0
2 years ago
Read 2 more answers
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