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2 years ago

The solution of the equation 2d - 6 = 5 is _____.

Mathematics

2 answers:

xeze [42]2 years ago

7 0

Answer: d = 11/2 or 5 1/2

Step-by-step explanation:

2d - 6 = 5

+ 6 + 6

2d = 11

/2 /2

d = 11/2 or 5 1/2

statuscvo [17]2 years ago

7 0

Answer:

The answer is

Step-by-step explanation:

So the first step in solving is to isolate the variable. To do that we are going to add 6 on both sides. That will cancel out the -6.

2d - 6 = 5

+ 6 + 6

2d = 11

Now, you're left with 2d = 11.

All you have to do now is divide each side by 2.

You get d = 5.5.

Hope this helps!

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2 years ago

enter an equation in point-slope form for the line. Slope is 7 and (-2,-1) is on the line. The equation of the line in point slo

lutik1710 [3]

Answer:

y + 1 = 7(x + 2)

General Formulas and Concepts:

Algebra I

Point-Slope Form: y - y₁ = m(x - x₁)

x₁ - x coordinate
y₁ - y coordinate
m - slope

Step-by-step explanation:

Step 1: Define

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Step 2: Write Equation

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3 years ago

A student found the product of 6 x 10^5 and 5 x 10^6 to be 3 x 10^11. What is the error? What is the correct product? Complete t

Rainbow [258]

The student is off by a power of 10

The answer is 3 x 10^12

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3 years ago

A new shopping mall records 120 total shoppers on their first day of business. Each day after that, the number of shoppers is 10

Iteru [2.4K]

Answer:

$1,139\ shoppers$

Step-by-step explanation:

we know that

In this problem we have a exponential function of the form

$y=a(b)^{x}$

where

a is the initial value or y-intercept

b is the base of the exponential function

r is the rate in decimal form

b=(1+r)

In this problem we have

x ----> the number of days

y ----> the number of shoppers

a=120

r=10%=10/100=0.10

b=1+0.10=1.10

substitute the values

$y=120(1.10)^{x}$

First day

$y=120$

Second day

For x=1 day

substitute the value of x in the equation and solve for y

$y=120(1.10)^{1}=132$

Third day

For x=2 days

$y=120(1.10)^{2}=145$

Fourth day

For x=3 days

$y=120(1.10)^{3}=160$

Fifth day

For x=4 days

$y=120(1.10)^{4}=176$

Sixth day

For x=5 days

$y=120(1.10)^{5}=193$

Seventh day

For x=6 days

$y=120(1.10)^{6}=213$

Adds the numbers

$120+132+145+160+176+193+213=1,139$

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3 years ago

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A regular polygon has possible angles of rotational symmetry of 20°, 40°, and 80°. How many sides does the polygon have?

liq [111]

The answers 18 sides.

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3 years ago

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