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3 years ago

7

How much would it be to get 67.1 to 73.3?

1 answer:

DIA [1.3K]3 years ago

8 0

6.2.. 73.3 - 67.1 = 6.1...

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Find the squares of (m-1)

Alchen [17]

Answer:

Solution

verified

Verified by Toppr

m

2

−3m−1=0

m

2

−3m=1 → (1)

Third term =(

2

1

coeeficientofm)

2

(

2

1

×(−3))

2

=(

2

−3

)

2

=

4

9

Adding

4

9

to both sides of equation (1), we get

m

2

−3m+

4

9

=1+

4

9

∴ m

2

−3m+

4

9

=

4

4+9

∴ (m−

2

3

)

2

=

4

13

Taking square roots on both sides

∴ m−

2

3

=±

2

13

∴ m=

2

3

+

2

13

or m=

2

3

−

2

13

m=

2

3+

13

,

2

3−

13

are the roots of the given quadratic equation.

8 0

2 years ago

X = 2y-2<br> 4x-9 = 11<br><br> Step by step please

Alex787 [66]

Answer x=5, y= 3.5

Find y by plugging the x value into the 2nd equation
4(2y-2) -9=11
8y - 8 - 9 =11 combine like terms
8y = 28 divide both sides by 8
y = 3.5

Now find x
Plug your y value into first equation
X = 2(3.5) -2
X= 7-2
X=5

You can check your work by putting your x or y values into the equations

For the first equation
5=2(3.5) -2
5=5

For the second equation
4(5) -9 = 11
20 - 9 = 11
11 =11

4 0

2 years ago

Help please! I need this question answered!

Pavel [41]

Answer:

1) f(g(-2))=-3, 2) g(f(0))=5

Step-by-step explanation:

1)f(g(-2))

First, g(-2) means that x=-2. Hence, you must find the value of g(x) in the table when x=-2. You can see that, when x=-2, g(-2) = -3.

Next, you must find f(-3) in the graph, where x=-3. You can see in the graph that, when x=-3, f(-3) = -2.

Therefore, f(g(-2))=-3

2) g(f(0))

In the case, we must apply the inverse procedure. First, check in the graph that, when x=0, f(0) =1.

Next, we must look at the table and see that, when x=1, g(1)=5. Hence,

g(f(0))=5

5 0

3 years ago

Please help me for the brainliest answer

TiliK225 [7]

Answer:

$n^2+3\\(n+1)^2$

Step-by-step explanation:

$n^2+3\\1^2+3=4\\2^2+3=7\\3^2+3=12$

$(n+1)^2\\(1+1)^2=4\\(2+1)^2=9\\(3+1)^2=16$

6 0

4 years ago

Combine like terms: 3x^2+4y-2x^2-x^2

Marianna [84]

Answer: 4y

Step-by-step explanation:

$3x^{2} + 4y - 2x^{2} -1x^{2}$ To

3x^2 - 2x^2 -1x^2 = 0

0 +4y = 4y

5 0

4 years ago