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Elena L [17]
3 years ago
15

Does anyone know the answer ?

Mathematics
1 answer:
alexira [117]3 years ago
4 0

Answer:

b = √a² + c² is incorrect and different from other 3

Step-by-step explanation:

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Match the ones that are highlighted please:(
vivado [14]

The answers are 2. B, 3. D, 4. C, and 5. A.

Step-by-step explanation:

Step 1:

For question 2. 4+4n = -12.

We subtract both sides by 4 to get

4+4n-4 = -12-4, 4n = -16, n = -4

For question 3. 4n=-12.

We divide the entire equation by 4 to get

\frac{4n}{4} = \frac{-12}{4} , n = -3.

Step 2:

For question 4. \frac{n}{4} = -12.

We multiply both sides by 4 to get

\frac{n}{4} (4)= -12(4).

n = -48.

For question 5. \frac{n}{4} -4 = -12.

We add 4 to both sides to get

\frac{n}{4} -4 +4= -12+4, \frac{n}{4} = -8.

n = -32.

So the answers are 2. B, 3. D, 4. C, and 5. A.

5 0
3 years ago
An automobile detailer can detail 20 cars in 10 hours. At this rate, how many cars can he detail in 1 hour?
trapecia [35]
20/10 is 2 so he can detail two cars an hour
5 0
3 years ago
Given the system of equations, what is the solution? <br><br> x + 2y = 11 <br> x - 2y = -1
zhenek [66]

We need to solve x+2y=11 for x

Let's start by adding -2y to both sides

x+2y -2y = 11-2y

x= -2y+11

Now substitute -2y+11 for x in x-2y =-1

x-2y=-1

-2y+11-2y=-1

-4y+11=-1

Add -11 to both sides

-4y+11-11=-1-11

-4y=-12

Divide both sides by -4

-4y/-4 = -12/-4

y= 3

Substitute 3 for y in x=-2y+11

x= -2y+11

x = (-2)(3)+11

x=-6+11

x=5


The answer is x=5 and y=3

(5,3)


I hope that's help:)



4 0
3 years ago
PLEASE HELP ME!!!!!!!!! (100 points)
velikii [3]

Answer:

Domain [2,5)

Range (-6,18]

Step-by-step explanation:

Domain is shifted 2 units to the right because of the horizontal shift so it is [2,5)

Range is multiplied by 3 because of the vertical stretch so it is (-6,18]

6 0
3 years ago
Read 2 more answers
What is the degree 12x^4-8x+4x^2-3
ozzi

Answer:

The degree of is 4.

.................................

5 0
3 years ago
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