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3 years ago

2. Ms. Lenz has these dollar bills. Count on

Mathematics

2 answers:

kiruha [24]3 years ago

6 0

Answer:

Total value = $37

Step-by-step explanation:

Total value = ?

Count all dollar bills = $5 +$20 + $10 + $1 + $1

= $37

Sphinxa [80]3 years ago

5 0

Answer:

$5 dollars

Step-by-step explanation:

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Trig: A sector of a circle has area 25 cm2 and centralangle

Alchen [17]

Answer: Radius = 10 cm and Arc length = 5 cm

Step-by-step explanation:

The area of a sector with radius r and central angle $\theta$ (In radian) is given by :-

$A=\dfrac{1}{2}r^2\theta$

Given : A sector of a circle has area $25 cm^2$ and central angle 0.5 radians.

Let r be the radius , then we have

$25=\dfrac{1}{2}r^2(0.5)\\\\\Rightarrow\ r^2=\dfrac{2\times25}{0.5}\\\\\Rightarrow\ r^2=\dfrac{50}{0.5}=100\\\\\Rightarrow\ r=\sqrt{100}=10\ cm$

Thus, radius = 10 cm

The length of arc is given by :-

$l=r\theta=10\times0.5=5\ cm$

Hence, the length of the arc = 5 cm

3 0

2 years ago

Hannah works at the mall selling book bags. She sold 35 book bags in 5 hours. How many book bags did she sell per hour?

erma4kov [3.2K]

Answer:

7 bags per hour

Step-by-step explanation:

To determine how many bags she sells per hour

Take the total number of bags and divide by the number of hours

35 bags/ 5 hours

7 bags per hour

5 0

2 years ago

8.) a round patio is 14m in diameter. What is the distance around the patio? A. 153.86m B. 21.98m C. 43.96m D. 615.44m

professor190 [17]

So by having a circle with a diameter of 14 metres it is a sake of calculating the circumference of the patio. This is simply done by (where d = 2r, d is the diameter, and r the radius)

$C = 2\pi r = 2\cdot \pi \cdot \left \frac{14}{2} \text{ m} \approx 43.98 \text{ m}$

3 0

3 years ago

(-2,6), (10,2) midpoint

aliina [53]

Hope this helps :) picture below