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Andrews [41]
2 years ago
9

Carlos earns $3.50 a day on his paper route. He runs

Mathematics
2 answers:
loris [4]2 years ago
6 0

Answer:

their are 4 weeks in a month so 4*7=

28

so its 1/28 which is equals to (1 divided by 28)

3.57%

Hope This Helps!!!

Bad White [126]2 years ago
6 0

Answer:

It depends on the amount of days in a month:

If 28 days: 3.57%

If 29 days: 3.45%

If 30 days: 3.33%

If 31 days: 3.23%

Step-by-step explanation:

1. Provided a month is defined as 30 days - change 30 days to correct amount for specified month. For days in a month, see table below.

2. Multiply daily income by days in a month: $3.50 * 30 days = $105.00/month.

2. Divide specified amount of $3.50 by monthly income: $3.50 ÷ $105.00 = 0.03333

3. Multiply faction by 100 to make into a percentage: 0.03333 * 100 = 3.333%

The duration of a month will vary.

January: 31 days; 3.23%

February: 28 days in a common year and 29 days in leap years; 3.57% or, if leap year, 3.45%

March – 31 days; 3.23%

April – 30 days; 3.33%

May – 31 days; 3.23%

June – 30 days; 3.33%

July – 31 days; 3.23%

August – 31 days; 3.23%

September – 30 days; 3.33%

October – 31 days; 3.23%

November – 30 days; 3.33%

December – 31 days; 3.23%.

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Given f(x) = 2x ^ 2 + kx - 20 and the remainder when f(x) is divided by x - 10 is 90, then what is the value of k?
ruslelena [56]

Answer:

k =  -9

Step-by-step explanation:

f(x) = 2x²+kx-20

From remainder theorem,

x = 10 and f(10) = 90

f(10) = 90

Subsitute the value of x into the expression above.

f(10) = 2(10²)+10k-20 = 90

200+10k-20 = 90

Solve for k by collecting like terms

10 k = 90+20-200

10k = 110-200

10k = -90

k = -90/10

k = -9.

Hence the value of the constant is -9

3 0
2 years ago
Which equation would best help solve the following problem?
Vanyuwa [196]

Option B:

-4.9t^2+20t+1.2=0

General formula for the height(feet) of a projectile over time:

h(t)=-16t^2+v_0t+h_0

where h represents height (feet)

t represents time

v_0 represents initial velocity

h_0  represents initial height(feet)

General formula for the height(metres) of a projectile over time:

h(t)=-4.9t^2+v_0t+h_0

where h represents height (feet)

t represents time

v_0 represents initial velocity

h_0  represents initial height(metres)

<u>Given data in the question:</u>

h_0=1.2 metre

v_0=20 m/s

To determine the equation to find time:

Substitute h_0 and v_0 in general formula for the height(metres) of a projectile over time:

h(t)=-4.9t^2+20t+1.2

\Rightarrow -4.9t^2+20t+1.2=0

Therefore option B is the correct answer.

-4.9t^2+20t+1.2=0

5 0
3 years ago
Timed test please answer ASAP
emmasim [6.3K]

Answer:B

Step-by-step explanation:

4 0
2 years ago
Fill in the blanks to complete the sentence.
inna [77]

Answer:32%

Step-by-step explanation:

330-250=80

80/250=0.32 or 32%

7 0
2 years ago
I don't know how to do this problem:
mariarad [96]

Answer:

3^3×3

81

3^7/3^3

Explanation:

First you should solve the expression you've got there.

(3^6×3^-4)^2

3^6= 3×3×3×3×3×3 the answer is 729

3^-4 A negative exponent means repeated division by the base. So for example 2^-4=1/(2^4)

=1/(2×2×2×2)= 1/16

3^-4= 1/(3^4)

=1/(3×3×3×3)

= 1/81 If you look up the answer in your calculator the answer that will show up will be 0.01234567901

So!

(729×0.01234567901)^2= 9^2

9^2= 81

Now you can look at the following expressions and whichever gives the answer 81 will be correct.

hope it helps!

8 0
3 years ago
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