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Readme [11.4K]
2 years ago
12

What is the vertex of f(x)=x^2+12x=31

Mathematics
1 answer:
Ket [755]2 years ago
3 0

Answer:

x

=

±

√

5

−

6

Decimal Form:

x

=

−

3.76393202

…

,

−

8.23606797

…

Step-by-step explanation:

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What is AB to the nearest meter
sashaice [31]

Answer:

C. 15

Step-by-step explanation:

Small triangle is similar to larger one so we can use the similarity ratio to solve the question:

CE/CA = DE/AB

4/12 = 5/AB cross multiply expressions

4AB = 60 divide both sides by 4

AB = 15

6 0
2 years ago
Read 2 more answers
Solve 5r2 – 12 = 68. {±4} {±5} {±3} {±6}
sashaice [31]

Hey there!

Assuming you meant

5r^2 - 12 = 68

If so, follow these steps so it can be a little bit easier to solve

Firstly, we have to add by 12 on each of your sides

5r^2 -12 +12 \\ \\ 68 + 12

5r^2 = 5r^2 \\ \\ 68 + 12 = 80

We get: 5r^2 =80

Now, we have divide by 5 on each of your sides

\frac{5r^2}{5} = \frac{80}{5}

\frac{80}{5}  = 16

We get: r^2 = 16

r = ± \sqrt{16}

Therefore , your answer is:r = ±4

Good luck on your assignment and enjoy your day!

~LoveYourselfFirst:)

3 0
3 years ago
Please help it’s a quiz and can you show me an example how to do this ? And the answer please?
Harman [31]

Answer:

6 i think

Step-by-step explanation:

A

=

h

b

b

2

=

4

·

3

2

=

6

6 0
3 years ago
What is 3divided by 1000 divided by5
Tanzania [10]
0.0006 would be your answer based on the order you put them in.
6 0
2 years ago
Shannon's chair is 20 inches tall. How tall is it in centimeters?
JulsSmile [24]

Answer:

50.8 centimeters

Step-by-step explanation:

So, if Shannon's chair is 20 inches tall, you would multiply that by 2.54 in order to get the length in centimeters.

20 x 2.54 = 50.8.

So Shannon's char is 50.8 centimeters tall.

6 0
3 years ago
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