Nancy and bill collect coins. Nancy has x coins. Bill has 5 coins fewer than five times the number of coins Nancy has. Write and simplify an expression for the total number of coins Nancy and bill have . Simplify your answer .

Answers

Answer 1

Answer:

6x - 5 is the total number of coins Nancy and Bill have.

What is an expression?

An expression is a combination of terms that are combined by using mathematical operations such as subtraction, addition, multiplication, and division. The terms involved in an expression in math are:

Constant: A constant is a fixed numerical value.

Variable: A variable is a symbol that doesn't have a fixed value.

Term: A term can be a single constant, a single variable, or a combination of a variable and a constant combined with multiplication or division.

Coefficient: A coefficient is a number that is multiplied by a variable in an expression.

Given, Nancy has x coins

No. of coins Bill has = five coins less than 5 times of coins Nancy has

= 5x - 5

Total no. of coins Nancy and bill have = x + 5x -5

= 6x - 5

Hence, Nancy and Bill have total 6x - 5 coins.

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Answer 2

Answer:

Answer: 6x - 5

Step-by-step explanation:

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Can anyone please solve for x?

Answers

Answer:

x = -3

Step-by-step explanation:

The sum of the angles of a triangle is 180 degrees

55+54 + x+74 = 180

Combine like terms

183 +x = 180

Subtract 183 from each side

183-183 +x = 180-183

x = -3

Answer:

-3

Step-by-step explanation:

If x + 74 represents the last angle, then it would be -3 as:

a triangle has 180 degrees

55 + 54 = 109

109 + 74 = 183

183 degrees is 3 over the degrees in a triangle, so you subtract 3 from it to make 180

183 - 3 = 180

idk if that's what its asking for though

The table shows the percent of Earth's atmosphere that is each element. A. Bar diagram Model 21% using a bar diagram. 0% to 100% B.Write the percent of Earth's atmosphere that is nitrogen as a fraction in simplest form.

Answers

A). On a bar diagram where the bottom of the diagram is zero
   and the top of the diagram is 100%, a bar showing 21%
   must be 0.21 of the height from the base to the top.

B). I don't know anything about the nitrogen in the Earth's
   atmosphere, because you won't let me see the table.

Reggie has enough flour to last for 40 days. If he increases his use of flour by 25%, however, how many days' worth of flour will he have? A: 30 days
B: 28 days
C: 32 days
D: 48 days

Answers

you are using 1/4 more.
1/4 of 40 is 10.
40-10 = 30

a rectangle is 8 inches long and 4 inches wide a similar rectangle is 12 inches what is the width of the second triangle to the nearest inch?

Answers

The first rectangle: width/length=4/8, simplify it to get 1/2 The second rectangle: Width/length=?/12 Use proportion: 1/2= 6/12 So the wide of the second rectangle is 6

2.7 Because the first rectangles area is 32 and the second rectangle has a base of 12. So you need to multiply something with 12 to get a close answer to 32.And that close number is 2.7

Kevin drove 22 1/2 miles in 1/3 hour. What was his average speed in miles per hour

Answers

Answer=67.5 mph

22 1/2 miles 1/3hours

(22 1/2)/(1/3)=67.5miles per hour

____________________________
another way to solve this would be....

1/3 1
_______=________
22 1/2 x

cross multiply
(1/3)x=22 1/2
divide both sides by 1/3
x=67.5miles per hour

19. Jessie is building a ramp for loading motorcyclesonto a trailer. The trailer is 2.8 feet off of the
ground. To avoid making it too difficult to push a
motorcycle up the ramp, Jessie decides to make the
angle between the ramp and the ground 159. To the
nearest hundredth of a foot, find the length of the
ramp.
A. 10.82 feet
B. 2.90 feet
C. 0.72 feet
D. 10.45 feet

Answers

Answer:

A. 10.82

Step-by-step explanation:

Final answer:

When using trigonometry to solve for the length of a ramp given the height of the trailer and the angle of the ramp, we use the sine of the angle, defined as the ratio of opposite side to the hypotenuse. The length of the ramp, or hypotenuse, was found to be approximately 0.72 feet.

Explanation:

This question is about trigonometry, a branch of mathematics that deals with the relationships between the sides and angles of triangles. In this case, we are given the height of the trailer (2.8 feet) and the angle between the ramp and the ground (159 degrees).

We are asked to find the length of the ramp, which is the hypotenuse of the triangle formed by the ramp, the ground, and the trailer. This can be found by using the sine of the angle, defined as the ratio of the opposite side (the height of the trailer) to the hypotenuse (the ramp length).

Using the equation sin(159) = 2.8 / ramp-length and solving for ramp-length by multiplying both sides by ramp-length and then dividing by sin(159), we find that the length of the ramp is approximately 0.72 feet.

So, the correct answer is C. 0.72 feet.

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