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Kruka [31]
3 years ago
9

The vertex form of the equation of a parabola is y= 2 (x + 4)2- 7.

Mathematics
1 answer:
spin [16.1K]3 years ago
3 0

Answer:

4x-y=-9

Step-by-step explanation:

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The measure of RST can be represented by the expression (6x + 12)°.
Valentin [98]

Answer:

The measure of angle RST is 120\°

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

m -----> equation A

m -----> equation B

equate equation A and equation B

(6x+12)\°=78\°+(3x-12)\°

6x-3x=78\°-24\°

3x=54\°

x=18\°

The measure of angle RST is equal to

m

8 0
3 years ago
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How many km are equal to 3,400 m
Archy [21]
1 km = 1000 m

So 

x km = 3,400 m

that means 3.4 km would be equal to 3,400 m

your final answer is

\boxed{\bf{3.4~km}}
3 0
3 years ago
Plllsss help really easy points points points
8090 [49]

Answer:21

Step-by-step explanation: you multiply f times x to equal 21

4 0
3 years ago
Solve for x: −2x − 4 > 8
Artist 52 [7]
-2x-4 > 8
-2x > 12
x < -6

Wait, what? Why did I reverse the direction of the greater than sign to a less than sign? Well, when you divide a negative number in an inequality problem, you need to reverse the sign. I hope the actual solving is obvious. If it's not, just ask for clarification!
5 0
3 years ago
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.. Jessie charges Jim $45.00 for 3 hours of tutoring. Mike charges Jim $90.00 for
Leto [7]

Answer:

jessie is better

Step-by-step explanation:

45/3=15

$15 per hour

90/5=18

$18 per hour

3 0
3 years ago
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