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fiasKO [112]
3 years ago
8

????????help??????????

Mathematics
1 answer:
jeka943 years ago
7 0

Answer:

10

Step-by-step explanation:

|a+bi|=\sqrt{(a+bi)(a-bi)}=\sqrt{a^2+b^2}\\\sqrt{a^2+(-6)^2}\\=\\\sqrt{100} \\=10

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What is the discriminant of f(x)=-3x^2-2x-1
Lyrx [107]
<span>the discriminant is </span>-8

8 0
3 years ago
The graphs below have the same shape.what is the equation of the red graph?
Setler [38]

Answer:

G(x)=4-x^{4}

Step-by-step explanation:

Notice that the red graph is the blue graph shifted 1 units up.

According to the function transformation rules, we add k to the output of the function to shift its graph k units up, and we subtract k to the output of the function to shift its graph k units down.

The output of our function is 3-x^{4}, and since we want to shift 1 units up, k=1. In other words, we just need to add 1 to the output of the function:

G(X)=3-x^{4} +1

G(x)=3+1-x^{4}

G(x)=4-x^{4}

We can conclude that the equation of the red graph is G(x)=4-x^{4}.

6 0
3 years ago
BRAINLIEST 87x89 PLEASE
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Answer:

7743 caught you again lolllll

8 0
2 years ago
Read 2 more answers
A bottle of soda had 4 2/7 of the daily recommended sugar . If u were to drink 1/2 of the water ,how much of the daily recommene
kifflom [539]
The answer is 15/7. hope this helps
5 0
3 years ago
Read 2 more answers
Three right triangles are drawn in the coordinate plane,
SashulF [63]

Answer:

Triangle A:

- smaller leg = 3

- longer leg = 10

- hypotenuse = 10.4

Traingle B:

- smaller leg = 4

- longer leg = 13

- hypotenuse = 13.6

Triangle C:

- smaller leg = 5

- longer leg = 7

- hypotenuse = 8.6

Step-by-step explanation:

Let's find the distance of the legs for the 3 right triangles.

<u>Triangle A</u>

The smaller leg (SL) is from (2,5) to (2,8), so the length is given by the distance in the y-axis:

SL_{A} = 8 - 5 = 3

Hence, the lenght of the smaller leg is 3.

The longer leg (LL) is from (-8, 8) to (2, 8), so the length is given by the distance in the x-axis:

LL_{A} = 2 - (-8) = 10

Then, the length of the longer leg is 10.  

Now, we can find the hypotenuse (H) by using Pitagoras:

H_{A} = \sqrt{SL_{A}^{2} + LL_{A}^{2}} = \sqrt{3^{2} + 10^{2}} = 10.4

<u>Triangle B</u>

The SL is from (3, -9) to (7, -9)

The length of the SL is:

SL_{B} = 7 - 3 = 4

The LL is from (7, -9) to (7, 4)

The length of the LL is:

LL_{B} = 4 - (-9) = 13

The hypotenuse is:

H_{B} = \sqrt{4^{2} + 13^{2}} = 13.6

<u>Triangle C</u>

The SL is from (-10, -6) to (-10, -1)

The length of the SL is:

SL_{C} = -1 - (-6) = 5

The LL is from (-10, -6) to (-3, -6)  

The length of the LL is:

LL_{C} = -3 - (-10) = 7

The hypotenuse is:

H_{C} = \sqrt{5^{2} + 7^{2}} = 8.6

I hope it helps you!

5 0
3 years ago
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