MATHEMATICS MIDDLE SCHOOL

If it's 4:25 what time will it be in 3 hours and 20 minutes​

Answers

Answer 1
Answer:

Answer:

7:45

Step-by-step explanation:
Answer 2
Answer:

Answer:

if it's 4:25 in 3h and 20 min the time will be 7:45

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Ms. Peterson wrote the expression below on the chalkboard for her class. She asked the students to write an equivalent expression using no more than oneset of parentheses. 4(3x+5y+2z)+ 3(x-z)• Tom wrote 12x+20y+8z • Jenna wrote 5 (3x+4y+z)• Chris wrote 15x+20y-5zWhich, if any, of the three students wrote an expression that is equivalent to Ms. Peterson’s expression?

Answers

so first we solve
4(3x+5y+2z)+2(x-z)
fist we distribute
4 times 3x=12x
4 times 5y=20y
4 times 2z=8z
12x+20y+8z

then the second part

3(x-z)
3 times x=3x
3 times -z=-3z

3x-3z

combine

12x+20y+8z+3x-3z
group like terms
15x+20y+5z

so
tom:12x+20y+8z
this is only the first part so he is wrong

Jenna:5(3x+4y+z)
this is correct beccause if we multiply it we get
15x+20y+5z which is correct

chris: 15x+20y+5z is correct

Jenna and Chris are correct

Answer:

Jenna and Chris are both correct! :))

Step-by-step explanation:

The vertices of a parallelogram are shown below. (0, 0), (27, 0), (36, 30), (9, 30)

Which of the following points is a vertex for the image produced by a dilation about the origin with a scale factor of 1/3?









A.

(3, 3)

B.

(10, 9)

C.

(3, 15)

D.

(3, 10)

Answers

The vertices for the dilated image can be found by multiplying the coordinates of the original image by the scale factor. In this problem, the scale factor is 1/3.

(0,0) ⇒ 0 x 1/3 = 0 ; 0 x 1/3 = 0 ⇒ (0,0)
(27,0) ⇒ 27 x 1/3 = 9 ; 0 x 1/3 = 0  ⇒ (9,0)
(36,30) ⇒36 x 1/3 = 12 ; 30 x 1/3 = 10 ⇒ (12,10)
(9,30) ⇒ 9 x 1/3 = 3 ; 30 x 1/3 = 10 ⇒ (3,10)

Answer is choice D. (3,10)

jon ran around a track that was 1/8 of a mile long.He ran around the track 24 times.how mant miles did jon run in all?

Answers

He ran 3 miles in all. You have to multiply the two values together to get your answer. 1/8 * 24 is 24/8, which can be simplified to 3, so Jon ran 3 miles altogether.

The totalmiles John runs on the track is 4 miles.

What is an expression?

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

Length of the track = 1/8 miles

Number of times run on the track = 24

Now,

The total miles run on the track.

= 24 x 1/8

= 3 miles

Thus,

The totalmiles run on the track is 3 miles.

Learn more about expressions here:

brainly.com/question/3118662

#SPJ6

The length of a rectangle is 8 mm longer than its width. Its perimeter is more than 32 mm. Let w equal the width of the rectangle. a. Write an expression for the length in terms of the width.

b. Use expressions for the length and width to write an inequality for the
perimeter, on the basis of the given information.

c. Solve the inequality, clearly indicating the width of the rectangle.

Answers

Part A

w = width

L = length

L = w+8 since the length is 8 mm longer than the width

Answer:  w+8

====================================================

Part B

P = perimeter of rectangle

P = 2*(L+W) = 2L + 2W

We want the perimeter to be more than 32 mm, so we want P to be greater than 32

This means we write P > 32

Replace P with either 2(L+W) or 2L+2W. I'll pick 2L+2W

So we go from

P > 32

to

2L+2W > 32

After this, replace L with W+8 (refer to part A above)

We now have

2(W+8) + 2W > 32

Answer: 2(w+8) + 2w > 32

====================================================

Part C

Let's solve the inequality found in part B to get...

2(w+8) + 2w > 32

2w + 16 + 2w > 32

4w + 16 > 32

4w + 16-16 > 32-16 ....... subtracting 16 from both sides

4w > 16

4w/4 > 16/4 ......... dividing both sides by 4

w > 4

Answer: w > 4; The width of the rectangle must be larger than 4 mm

F(x) 2x^3 -9x^2-6x+40

Answers

Answer:

(x+2)*(2x-5)*(x-4)

I think this is the answer

Step-by-step explanation:

Answer: -2

Step-by-step explanation:

Got it right on Edge

3 ( 2m - 1 ) - 5m ≤ -1 Please help

Answers

3 ( 2m - 1 ) - 5m ≤ -1

6m-3-5m≤ -1

m-3≤ -1

m ≤ 2
 6m - 3 - 5m ≤ -1 
so m = 2
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