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AleksandrR [38]
3 years ago
11

PLEASE HELP ASAP!!! I WILL GIVE BRAINLIEST TO THE RIGHT ANSWER

Mathematics
1 answer:
anzhelika [568]3 years ago
7 0

Answer:

c

Step-by-step explanation:

-3≤7c+4<18

-3-4≤7c+4-4<18-4

-7≤7c<14

divide by 7

-1≤c<2

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circle A has a diameter of 9 cm. Circle b has a radius of 5 cm
Liono4ka [1.6K]

Answer:

Circle B has a larger circumference.

Step-by-step explanation:

Circumference of a circle is the diameter times pi.

C = pi•d

Circle B has radius 5, so its diameter is 10. Circle A has diameter of 9. A larger diameter will give a larger circumference.

C_circle A = 9pi

~= 28

While,

C_circle B = 10pi

~= 31

Circle B's circumference is about 3 cm larger. More accurately it's 1pi larger.

4 0
3 years ago
1. 3(6a); for a=3<br>2. 5d(4); for d=-2​
Firdavs [7]

Answer:

Step-by-step explanation:

1. Solution for 3(6a)a=3 equation:

Simplifying

3(6a) * a = 3

Remove parenthesis around (6a)

3 * 6a * a = 3

Multiply 3 * 6

18a * a = 3

Multiply a * a

18a2 = 3

Solving

18a2 = 3

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Divide each side by '18'.

a2 = 0.1666666667

Simplifying

a2 = 0.1666666667

Take the square root of each side:

a = {-0.408248291, 0.408248291}

2.Solution for 5d(4)d=-2 equation:

Simplifying

5d(4) * d = -2

Reorder the terms for easier multiplication:

5 * 4d * d = -2

Multiply 5 * 4

20d * d = -2

Multiply d * d

20d2 = -2

Solving

20d2 = -2

Solving for variable 'd'.

Move all terms containing d to the left, all other terms to the right.

Divide each side by '20'.

d2 = -0.1

Simplifying

d2 = -0.1

Reorder the terms:

0.1 + d2 = -0.1 + 0.1

Combine like terms: -0.1 + 0.1 = 0.0

0.1 + d2 = 0.0

5 0
3 years ago
Priya is riding at a constant speed of 12 miles per hour. Write an expression that shows how many miles Priya has gone after Han
Rashid [163]

Answer:

Total distance cover = 12t miles

Step-by-step explanation:

Given:

Priya's speed = 12 miles per hour

Total time taken = t hours

Find:

Total distance cover

Computation:

Distance = speed x time

Total distance cover = 12 x t

Total distance cover = 12t miles

5 0
3 years ago
4 nail polishes for $8.50 as a rate
Taya2010 [7]

Answer:

Come one! Who actually knows this l bozo

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
If a car can travel 325 miles on 15 gallons of gasoline how many gallons will it take to drive 800 miles
e-lub [12.9K]
325/15=800/x. Cross multiply 325x and 15(800)=12000/325.
36.92 gallons of gas for 800 miles
8 0
4 years ago
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