Need all these tomorrow!!!!! thank you all soooooOOOOOOooOoOOooOOoO much!!!!!

Answers

Answer 1

Answer: 1.) 6% of 38 1% of 38 = 3.8 ( you just move the decimal placement over by one. 1% * 6 = 6% 3.8 * 6 = 6% 3.8 * 6 = 22.8 6% =22.8 2.) 5% of 90 90/5 = 5% 90/5 = 18 18 = 5% 3.) 15/5 = 9/x 15/5 = 3 3 = 9/x (nine divided by ? is three?....3!) 3 = 9/x(3) 3 = 9/3 3 = 3 x = 3 4.) 1/12 = .8/x Multiply each side by ten. 1/12 * 10 = 5/6 .8/x * 10 = 8/x 5/6 = 8/x Cross Multiply (switch the second numbers around) 5x = 6*8 Simplify 5x = 48 Divide both sides by 5 to get x by itself 5x/5 = x 48/5 = 9.6 *Whoo last problem lol* 5.) A three liter bottle costs $2.97 what is the unit rate. Well the unit is the object we're talking about, in this case a liter bottle. The unit rate is how much it costs or is per unit. Now that that's out of the way... 3L = 2.97 Like the other problems we want to get x by itself, so we'll divide by three) 3L/3 = L 2.97/3 = .99 L = .99 The Unit Rate is $0.99 per liter bottle. Hope this helped :)

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How can you find a unit rate when given a rate?

Answers

A unit rate has a denominator of 1, and rate does not. For example, I ran 18 miles in 3 hours. That is a rate of 18 miles/3 hours (18 over 3). To make that a unit rate we have to make the denominator 1, so we divide the top and bottom by 3. The unit rate would be 6 miles/1 hour (6/1).

A new pencil is 19 centimeters long. Levi uses it for a month. The pencil now measures 8 centimeters.The pencil is centimeters shorter now than when it was new.

Answers

Answer:

11 cm

Step-by-step explanation:

Given:

Length of new pencil = 19 cm

Length of pencil after using a month = 8 cm

Question asked:

The pencil is centimeters shorter now than when it was new = ?

Solution:

Length of new pencil = 19 cm

Length of pencil after using a month = 8 cm

The pencil is centimeters shorter now than when it was new = 19 cm - 8 cm

= 11 cm

Length of pencil has been used during a month = 11 cm

The Reflexive Property of Congruence lets you say that ∠PQR ≅ _____.

Answers

Answer:

< PQR

Step-by-step explanation:

Reflexive Property of Congruence says that something is equal to itself

Answer:

∠PQR is congruent to itself i.e

∠PQR ≅ ∠PQR

Step-by-step explanation:

Given that according to Reflexive Property of Congruence

we have to tell about ∠PQR ≅ _____.

The reflexive property of congruence states that any figure i.e geometric figure congruent to itself.

The properties includes

A line segment has the same length, an angle has the same angle measure, and a geometric figure has the same shape as itself.

The reflexive property of equality simply states that a value is equal to itself i.e

∠PQR is congruent to itself i.e

∠PQR ≅ ∠PQR

write the following as an algebraic expression then simplify the sum of two consecutive even integers of the first integer is x

Answers

If the first of two consecutive even integers is x, then the second is two more than that, or x+2. Their sum is
x + (x+2)
In simplified form this is
2x+2

Final answer:

The algebraic expression for the sum of two consecutive even integers, where the first integer is x, is x+(x+2). This simplifies to 2x+2.

Explanation:

To express the sum of two consecutive even integers algebraically, where the first integer is x, it's important to understand that consecutive even integers increase by 2. Therefore, if x is your first even integer, the next consecutive even integer would be x+2.

To find their sum, you would simply add the two together, as follows: x+(x+2).

To simplify, combine like terms. The two 'x' terms add together to make '2x', and you're left with the '+2'. So, the simplified expression for the sum of two consecutive even integers where the first is x is 2x+2.

Learn more about Algebraic Expression here:

brainly.com/question/34192827

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Alex rides 63 miles in 3 hours. Write an equation that shows the relationship between the distance, d and the time, t that he rides if Alex rides at a constant rate of speed?~Help~

1. 63d = t + 3
2. d = 21t
3. 3t = 63d
4. 3d = t + 63

Answers

Answer:

please mark as brainliest ( 3. 3t=63d)

Step-by-step explanation:

The correct answer is:

3t=63d

Laura and Sean find the product of 2/3 x 4 using different methods.Laura: It’s 2 thirds of 4.
2/3 x 4 = 4/3 + 4/3 = 2 x 4/3 = 8/3

Sean: It’s 4 groups of 2 thirds.
2/3 + 2/3 + 2/3 + 2/3 = 4 x 2/3 = 8/3

Use words, pictures, or numbers to compare their methods.

Answers

Answer: So our equation is $(2)/(3) *4$

Laura does:

$(2)/(3)*4 = 2*(1)/(3) *4 = 2*(4)/(3) = (4)/(3) + (4)/(3) = (8)/(3)$

while Sean does:

$(2)/(3)*4 = (2)/(3) + (2)/(3) +(2)/(3) + (2)/(3) = (8)/(3)$

So sean sums four times the number 2/3, while Laura sums two times the number 4/3, this is because we are working with a multiplication, and the order of the factors does not alter the product.

The two are splitting the equations in different ways.

Both Laura and Sean arrive at the same answer of 8/3 by using different methods.

Laura starts by multiplying 2/3 by 4 to find the total amount of 2/3 in 4 units.

Sean starts by finding the total amount of 2/3 in one group and then multiplying that amount by the number of groups, 4.

Both methods lead to the same answer, so it doesn't matter which method is used. The important thing is that the answer is correct.

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