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viva [34]
3 years ago
8

What is the sum of ⅔+1/5​

Mathematics
2 answers:
Dvinal [7]3 years ago
6 0
13/15 orrrr 0.86 bbbnm
Nata [24]3 years ago
4 0

Step-by-step explanation:

1. make the denominators the same.

10/15+3/15= 13/15

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Raquel has created a program for a robot. The robot travels 10 meters and stops. The program is designed for wheels that are 2.5
Grace [21]

Answer:

Raquel should adjust the number of rotations  to 115.81 rotations

Step-by-step explanation:

step 1

Find the circumference of the wheels that are 2.5 cm in diameter

The circumference is equal to

C=2\pi r

we have

r=2.5/2=1.25\ cm

assume

\pi =3.14

substitute

C=2(3.14) (1.25)

C=7.85\ cm

step 2

Find the number of rotations

Divide 10 meters by the circumference

10\ m=1,000\ cm

1,000/7.85=127.39\ rotations

step 3

For a diameter of 2.75 cm find how should she adjust the number of rotations so that the robot travels the same distance

Find the circumference of the wheels

The circumference is equal to

C=2\pi r

we have

r=2.75/2=1.375\ cm

assume

\pi =3.14

substitute

C=2(3.14) (1.375)

C=8.635\ cm

step 4

Find the number of rotations

Divide 10 meters by the circumference

10\ m=1,000\ cm

1,000/8.635=115.81\ rotations

3 0
2 years ago
Select the correct answer.
shtirl [24]

Answer:

145 . this is because angles on a straight line add up to 180 degrees

5 0
3 years ago
SOMEONE PLEASE HELP ME ASAP PLEASE!!!​
Strike441 [17]

Answer:

105.12 ft^2

Step-by-step explanation:

Area of a rectangle: bh

In this case 8*10.... so area of the rectangle is 80

Area of a circle: pir^2

Half it for a semicircle.

so 1/2 pi r^2

radius is 4 cuz its half of 8.

so 1/2(3.14)(4^2)=(0.5)(3.14)(16)=25.12

Now add up 80+25.12

Total is 105.12

Hope I helped :)

5 0
2 years ago
Calculate the values
yarga [219]

Answer:

a=108;b=36;c=72

Step-by-step explanation:

5 0
1 year ago
Read 2 more answers
N=S(P-V)-F. Solve for the S
Likurg_2 [28]

Answer:

S=\dfrac{(N+F)}{(P-V)}

Step-by-step explanation:

The given equation is :

N=S(P-V)-F ...(1)

We need to solve the above equation for S.

Adding F both sides in equation (1)

N+F=S(P-V)-F+F

N+F=S(P-V)

Dividing both sides by (P-V). So,

\dfrac{(N+F)}{(P-V)}=\dfrac{S(P-V)}{(P-V)}\\\\S=\dfrac{(N+F)}{(P-V)}

So, the above is the expression for S.

7 0
2 years ago
Read 2 more answers
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