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lina2011 [118]
3 years ago
9

HELP THIS IS DUE IN 5 MINUTES! ​

Mathematics
1 answer:
lawyer [7]3 years ago
6 0

Answer:

the first one is right, the second is less than or equal to (the second to last sign) and the last one is greater than or equal to( the last sign)

Step-by-step explanation:

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Find the equation of the axis of symmetry of the following parabola algebraically.<br> y=3x^2+18
lora16 [44]

Answer:do you have a picture

Step-by-step explanation:

i need it to solve

3 0
2 years ago
(8 -2i)^2 <br>a:60 <br>b:68-32i <br>c:60-32i <br>d:64-32i+4i^2
AURORKA [14]

Answer:

60-32i

Step-by-step explanation:

(8-2i)^2=8^2-2.8.2i+(2i)^2

=64-32i+4i^2

=64-32i-4

=60-32i

8 0
3 years ago
Given the points (–3,k) and (2,0), for which values of k would the distance between the points be √34 ?
myrzilka [38]

Answer:

The values of k are 3 and -3

Step-by-step explanation:

we know that

the formula to calculate the distance between two points is equal to

d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}

we have

(-3,k)\\(2,0)  

d=\sqrt{34}

substitute

\sqrt{34}=\sqrt{(0-k)^{2}+(2+3)^{2}}

\sqrt{34}=\sqrt{(-k)^{2}+(5)^{2}}

\sqrt{34}=\sqrt{k^{2}+25}

squared both sides

34=k^{2}+25

k^{2}=34-25

k^{2}=9

k=(+/-)3

6 0
3 years ago
Read 2 more answers
PLEASE HELP
wlad13 [49]

Answer:

The mistake is in step 1 when you do -2(x+4) you do the distributive property first -2 times x is -2x that's correct but -2 times 4 is not 8 it is -8

when you multiply by negatives the answer will always be a negative unless your multiply 2 negative number together then itll be positive ex. 4 × -4 = -16 (negative) but -4 × -4 = 16 (positive)

4 0
3 years ago
G(x) = -x2 + x. Find g(-10).
Andru [333]

It's subsitution.

-(-10)^2 + (-10) --) -(100) + (-10) --) -100 - 10 --) -110.

g(-10) = -110

5 0
3 years ago
Read 2 more answers
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