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Sunny_sXe [5.5K]
3 years ago
9

Tori tracks the time she spends doing chores during the week. Estimate the total amount of time she spent on chores in one week.

Chore Work Log:
Saturday 2 hours 15 minutes
Sunday: 1 hour 40 minutes
Monday 2 hours 55 minutes
Tuesday: 2 hours 10 minutes
Wednesday: 1 hour 55 minutes
Thursday:1 hour 50 minutes
Friday: 2 hours 5 minutes
A.11 hours
B.14 hours
C.15 hours
D.21 hours
Mathematics
1 answer:
White raven [17]3 years ago
6 0
I believe the answer is C.
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If the monthy cost for 23 HCF is $48.31 , what is the monthly cost for 18 HCF?
antiseptic1488 [7]

<u>Find the equation of the graph:</u>

General Equation : y = mx + b

.

Given that the gradient is 1.45

<u>Sub m = 1.45:</u>

y = 1.45x + b

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<u>Find b:</u>

Given that x = 23, y = 48.31:

48.31 = 1.45(23) + b

b = 14.96

.

<u>Equation of the graph:</u>

y = 1.45x + 14.96

.

<u>When x = 18:</u>

y = 1.45(18) + 14.96 = $41.06

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Answer: $41.06

4 0
3 years ago
-1/3x+1=-7 negative one third x plus one equals negative seven
liraira [26]
Multiply both sides by -3 to get rid of the negative and the fraction.

X - 3 = 21

Move the constants over to isolate the variable

X = 24
4 0
3 years ago
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A cone-shaped pile of sawdust has a base diameter of 20 feet, and is 7 feet tall. Find the volume of the pile.
Phoenix [80]

Answer:

About 733.04 feet


Step-by-step explanation:

Volume of Cone is given by the formula  V=\frac{1}{3}\pi r^2h

Where

  • V is the volume
  • r is the radius
  • h is the height

Given height as 7 ft, and radius is 10 feet (Radius is half of diameter(20))

<em>Substituting into formula, we get:</em>

V=\frac{1}{3}\pi r^2 h\\V=\frac{1}{3}\pi (10)^2(7)\\V=\frac{700\pi}{3}\\V=733.04 ft

7 0
4 years ago
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Write the explicit rule for the arithmetic sequence<br> -10, -3, 4, 11,...
Bogdan [553]

a

0

=

4

a

i

=

a

i

−

1

+

7

XXXX

possibly with the restriction 1<=i<=4 if this is not intended to be a continuous sequence

Explanation:

This is a simple arithmetic sequence with a difference of  

7

between ascending sequence terms.

6 0
3 years ago
to solve the equation |x-9|=0.5x, kiana graphed the functions f(x)=|x-9| and g(x)=0.5x on the same set of coordinate axes. She t
Pani-rosa [81]

Answer:

The answer is the option D

f(6)=g(6) and f(18)=g(18)

Step-by-step explanation:

we have

f\left(x\right)=\left|x-9\right|

g(x)=0.5x

we know that

The solution of the system of equations is the intersection point both graphs

Using a graphing tool

see the attached figure

The solution are the points (6,3) and (18,9)

therefore

The solution of the equation \left|x-9\right|=0.5x are

x=6, x=18

so

For x=6

f\left(6\right)=\left|6-9\right|=3

g(6)=0.5(6)=3

f(6)=g(6)

For x=18

f\left(18\right)=\left|18-9\right|=9

g(18)=0.5(18)=9

f(18)=g(18)

therefore

f(6)=g(6) and f(18)=g(18) because the intersection points are common points for both graphs

5 0
3 years ago
Read 2 more answers
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