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Naddika [18.5K]
3 years ago
14

Solve for b. 9b = -6 + 10b

Mathematics
2 answers:
Aleksandr-060686 [28]3 years ago
7 0

Answer:

b=6

Step-by-step explanation:

9b-10b=-6+10b-10b

-b=-6  so b=6

denis23 [38]3 years ago
5 0

Hey!

------------------------------------------------

Steps To Solve:

9b = -6 + 10b

~Subtract 10b to both sides

9b - 10b = -6 + 10b - 10b

~Simplify

-1b = -6

~Divide -1 to both sides

-1b/-1 = -6/-1

~Simplify

b = 6

------------------------------------------------

Hence, the answer is \Large\boxed{\mathsf{b~=~6}}

------------------------------------------------

Hope This Helped! Good Luck!

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Which graph represents a reflection of f(x) = 2(0.4)x across the y-axis?
aleksley [76]

Answer:

The graph in the attached figure

Step-by-step explanation:

we know that

In a reflection across the y-axis the y-coordinate remains the same, but the x-coordinate is transformed into its opposite

we have

f(x)=2(0.4)^{x}

The reflection of f(x) across the y-axis is equal to the function g(x)

g(x)=2(0.4)^{-x}

The graph in the attached figure

7 0
3 years ago
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Zarrin [17]

Answer:

4

Step-by-step explanation:

7 0
3 years ago
The length of a rectangular plot of land is 10 yards more than its width if the area of the land is 600 yd.² find the dimensions
Andrews [41]

Answer:

The dimension of the plot is 30 yd by 20 yd

Step-by-step explanation:

Given;

Area = 600 yd^2

Length = width + 10

l = w + 10 ......1

Area of a rectangular plot is;

Area A = length × width

A = l × w

Substituting equation 1;

A = (w+10) × w

A = w^2 + 10w

600 = w^2 + 10w

w^2 +10w -600 = 0

Solving the quadratic equation;

w = -30 or 20

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l = w+10 = 20+10 = 30yd

The dimension of the plot is 30 yd by 20 yd

6 0
3 years ago
there are 120 seats in the balcony of theatre .if this 1/5 of the total seats, what's the total number of seats in the theater​
natka813 [3]

Answer:

600 seats

Step-by-step explanation:

We know there is 120 seats on a balcony and that is   \frac{1}{5}   of the total seats, we want to find the total number of seats so,

120 seats    =      \frac{1}{5}

We know that a whole fraction sums to 1 so for example   \frac{1}{5} +\frac{4}{5} =\frac{5}{5} =1

120 seats    =      \frac{1}{5}

Multiply  both sides to make it a whole fraction

600 seats =     \frac{5}{5} =1

So if there is 120 seats and that number is only    \frac{1}{5}    of the total number of seats then the total number of seats is 600

3 0
3 years ago
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write how much has passed. 10:45 am to 11:15 am. 2:15 pm to 2:30 pm 6:15 am to 6:45 am 3:30 pm to 4:30 pm 9:15 am to 10:00 am
liq [111]

Answer:

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2. 15 minutes

3. 30 minutes

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Step-by-step explanation:

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2. 30 - 15 = 15

3. 45 - 15 = 30

4. 60 - 30 = 30

30 + 30 = 60

5. 60 - 15 = 45

3 0
3 years ago
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