Mathematics Middle School

PLEASE HELP!

Q1. A carpenter has 16 1/2 m of wood. He cuts the wood into pieces that are each 2 3/4 m long.


How many pieces of wood does the carpenter cut?


Q2. Divide.

3/5 ÷ 1 1/4

1. 1/4
2.12/25
3. 3/4
4. 2 2/5

Answers

Answer 1
For Q1, we can start out by turning it into a plain fraction. 16*2=32, and 32+1=33, so 16+1/2=33/2. Similarly, for 2 3/4, 2*4=8 and 8+3=11, so 2 3/4=11/4 as the size of each piece of wood. To divide them, we have the numbers 33/2 and 11/4. We first find the reciprocal of the size of a piece (switch the numerator and denominator) and then multiply the 2 fractions - 33/2*4/11=132/22=6 pieces. Using that, I challenge you to do Q2 on your own!

Related Questions

What is the square root of 0.81

Answers

the square root is 0.9
The square root of .81 is 0.9



Jim drove 153 miles in 3 hours. If he can keep the same pace, how long will it take him to drive 1377 miles?

Answers

27hrs 

Use ratios

153:3
1377:x
x=27
27 hours for her to drive the same pace

153h=3
h= 51
1377÷51
27


The scale on the map says that 1.5 cm represents 40 miles. On the map the distance between Columbia, SC and Atlanta is 7 cm. Which is the correct proportion to use for finding the real distance between the cities?
A) none of these
B)
1.5
40
=
7
x
C)
1.5
7
=
x
40
D)
40
1.5
=
7
x

Answers

The correct answer is B
this is because you are looking for the amount of miles which is X.
This equation should mean that if each cm is 40 miles then 7 cm is X

Find and compare the unit prices. Which one is the better buy?

3 for $1.00
Or
10 for 3:00

Plz answer both parts ibe been really stuck on this one :)

Answers

3 for $1- about $0.33 each (1/3)
10 for $3- $0.30 each (3/10)
10 for $3 is the better buy.

Rosaries cat weights 9.8 pounds. Her dog weighs 25.4 pounds. What's the weight of both animals combined.

Answers

35.2 is the answer hope this helps

On the first play of the game, the Wildcats gained 8 yd. What integer represents a gain of 8 yd?

Answers

The integer 8 represents a gain of 8 yards.
From 0:

A positive number would mean you gained more numbers than lost numbers.
A negative number would mean you lost more numbers than gained numbers.

Therefore, positive is a gain.

So a gain of 8 yards would be positive 8, or just 8.

Hope this helps! :)

Angle MNO is rotated 90 degrees counterclockwise about the origin to form angle M'N'O'. Which statement shows the measure of angle M'N'O'?

m∠ M'N'O' = 90 degrees
m∠ M'N'O'= 180 degrees
m∠ M'N'O' = 2 ⋅ m∠MNO
m∠ M'N'O' = m∠MNO

Answers

The answer is "m∠ M'N'O' = m∠MNO"

Answer:

The answer is m∠ M'N'O' = m∠MNO

Step-by-step explanation:

If the Angle MNO is rotated 90 degrees counterclockwise about the origin. The new angle formed by ' will be the same as the rotation doesn't alter neither the shape or size of the figure. Therefore, we can conclude that MNO and M'N'O' are congruent (Same lenght and angle).

I don't get this I need help

Answers

We notice from the choices, that the problem is solved using the Pythagorean theorem somehow. How?

If ABC was a right triangle, the hypotenuse would be BC (the largest side), so the right angle would be A.

In that case we would have 54 squared (which equals 2916) equal to the sum of the squares of 22 and 51 (which equals 3085).

If the triangle was a right triangle, [tex]22^2+51^2[/tex] would be exactly equal to [tex]54^2[/tex], but it is larger. This means that a right angle is not large enough to 'enclose' [tex]22^2+51^2[/tex]. Thus angle A must be opened more that 90°.

Thus the answer is D:
 an obtuse triangle because  [tex]22^2+51^2>54^2[/tex]

the nth term of a sequence is n+7 . what are the first 3 terms of the sequence

Answers

The answer is 34 hope this helps

Answer:

First 3 terms of the sequence are:

8,9,10

Step-by-step explanation:

The nth term of a sequence is n+7 .

We have to find the first three terms of the sequence

First term(n=1)   = 1+7 =8

Second term(n=2)   = 2+7 =9

Third term(n=3)      = 3+7 =10

Hence, first 3 terms of the sequence are:

8,9,10

0.3•10^4 is it scientific notation why or why not?

Answers

No, this is not scientific notation. Scientific notation has a number multiplied by 10 to the power of something. But, that number has one digit in front of the decimal point. Since, here, there are none, this is not a number in scientific notation.

Sydney has piles of 10 stickers sheets. She has 100 sheets in all. How many piles does she have?

Answers

Sydney has 10 piles in all
im pretty sure, 10 piles, because 100÷10=10

Four football fans took turns driving the distance from new York to Oklahoma to see a big game

Answers

I'm sorry but what's the full question?

Which letter would it be ??

Answers

It would be A.

C and D are the ones that are closest to incorrect.

If we say pi equals 3.14, and then multiply that by 3, we get 9.42.

9.42/2 = 4.71

So it has to be less then 4.71.

The square root of 21 is about 4.5.

So therefore, since pi + 1 is about 4.14, that is incorrect.

5 is larger then 4.71, so that is incorrect.

2[tex] \sqrt{6}[/tex] would then equal [tex] \sqrt{6} * \sqrt{4} [/tex], and then [tex] \sqrt{24} [/tex]

The square root of 24 is extremely close to the square root of 25, so it would be extremely close to 5, which would be incorrect.

So A would be the correct answer.

How many 1760 got in 4710

Answers

4710 divided by 1760
The answer is 2.671

"The correct answer is 2.675.

To find out how many times 1760 is contained within 4710, we simply divide 4710 by 1760:

[tex]\[ \frac{4710}{1760} = 2.675 \][/tex]

This means that 1760 is contained exactly 2 times in 4710 with a remainder.

The decimal part (0.675) represents the fraction of the third 1760 that is not complete.

To express this as a fraction, we can write 0.675 as [tex]\(\frac{675}{1000}\),[/tex] which can be simplified by dividing both the numerator and the denominator by 125, giving us [tex]\(\frac{5.4}{8}\) or \(\frac{27}{40}\)[/tex] when expressed in lowest terms. Therefore, 4710 contains 2 complete sets of 1760 and a partial set equivalent to [tex]\(\frac{27}{40}\)[/tex] of 1760."

Rewrite as a square or a cube:
3 3/8 =_____
1 11/25=_____

Answers

Unsure of what you want here.   If you want the square of 3 3/8, convert 
3 3/8 to 27/8 and square that improper fraction:  (27/8)^2 = 729/64.

And so on.

The cube of 3 3/8 is   (27/8)^3 = 19683/512.  You could also write that as 38.44 (which has been rounded off).

Answer:

3 3/8=1.5^3

1 11/25= 6/5^2

Step-by-step explanation:

i just tried until i got it

i hope this helps

brainliest?

A game normally cost $53.00, but Isabel used a coupon and got the game for $37.10. The coupon was for what percent off.

Answers

We could use the numbers and the difference of the original cost - the end price in a equation.

53 × x/100 = 15.9

Cross multiply 100 × 15.9.

53x=1590

Divide both sides by 53.

x=30

The coupon was 30%
i think it is 30 because if you take 37.90 from 53.00 you get 15.90 and you calculate it like this:
                                          15.90×100≈1590÷53≈30%

We want to partition 100 mL into 10 equal parts. How many milliliters should we pour in each cup?

Answers

10 mililiters per cup

There are 946 milliliters in a quart. There are 2 pints in a quart. How many milliliters are in a pint?

Answers

Answer:

Find out the  how many milliliters are in a pint .

To prove

As given

There are 946 milliliters in a quart.

There are 2 pints in a quart.

Thus

946 milliliters = 1quart =  2 pint

Than

946 milliliters =  2 pint

[tex]1\ pint = \frac{946}{2}\ millilitre[/tex]

1 pint = 473 millilitre

Therefore 473 milliliters are in a pint .

Answer:

there are 473

Step-by-step explanation:

a carp can travel at a speed of 3 7/10 miles per hour . At this rate , how far can a carp travel in 2 ½ hours?

Answers

3.7 * 2.5 = 9.5 miles in 2.5 hr
9.5 in 2 and half hrs

Farmer bob has a lot of chickens and pigs. If the pigs and chickens had the total of 17 heads and 46 legs, how much of each animal does farmer bob have?

Answers

11 chicken and 6 pigs is the answer

2 x 11 + 4 x 6 = 46 legs

11 + 6 = 17 heads

what will be the 15th shape in the pattern. .

Answers

The pattern will be the Square because when you extend the pattern given the shapes, T C S T C S T C S T C S T C S, the 15th shape would indeed be the square.
Triangle, circle, and square. So, assuming that is all that's in the pattern theenn:

Triangle: 1    Triangle: 4    Triangle: 7    Triangle: 10    Triangle: 13

Circle: 2    Circle: 5     Circle: 8     Circle: 11    Circle: 14

Square: 3    Square: 6    Square: 9    Square: 12    Square: 15

So your answer is the square c: Unless that's not what you needed to do. Not entirely sure on that.

Hank estimated the width of the door to his classroom in feet. What is a reasonable estimate?

Answers

2 feet, because you aren’t going to have a regular classroom door be 9 feet wide, or have it be 1 foot wide because there are some non really disabled kids but they still have wheel chairs and stuff and it won’t be easy for them to get through a door that is 1 foot wide.

jane, andre, and marIA pick apples. andre picks three times as many pounds as maria. Jane picks two times as many pounds as andre. the total weight of apples is 840 pounds. how many pounds of apples does andre pick?

Answers


[tex]3x + x + 6x = 840 \\ 10x = 840 \\ x = 84[/tex]
3x is pounds andre picks. 6x is pounds jane picks because twice the amount andre picks is 6 times what maria picks. x is the pounds maria picks. 84 * 3 = 252 pounds andre picks. 84 * 6 = 504 pounds jane picks. 252 + 84 + 504 = 840.

A number minus 6 equals 12

Answers

well its the number 18

It’s 18-6=12
The number 18

You are heating liquid in a chemistry lab. Four minutes ago, the temperature of the liquid was -4 degrees Celsius. Since then, it has been going up at a steady rate of 2 degrees per minute.
A. Write an equation that tells you the relationship between temperature and time at any given time. Designate the current time as 0.
B.Use your equation to predict the temperature of the liquid 15 minutes from now.

Answers

The rate of temperature rise is 2 degrees/minute.

The relation between temperature and time is of the form
y = 2x + b
where
x = time, minutes,
y = temperature, Celsius

When x = -4 min, y = - 4°C because the temperature was - 4°C 4 minutes ago. Currently, x = 0.
Therefore
-4 = 2(-4) + b
-4 = - 8 + b
4 = b

Part A
The relation is y = 2x + 4

Part B
When x = 15 (15 minutes from now), the temperature will be
y = 2(15) + 4 = 34°C

Answer: 34°C

a cube has a volume of 8 cubic inches what is the length of each edge of the cubes

Answers

The answer should be 2. 2x2x2=8

The length of each edge of the cube is 2 in.

Given:

Volume of cube = [tex]8 in.^{3}[/tex]

*image of a cube is shown in the attachment.

Recall:

Formula for volume of a cube is given as:

[tex]V = a^{3}[/tex]

where,

[tex]a =[/tex] length of each edge of the cube

[tex]V = 8[/tex]

Plug in the value into the formula to find a.

[tex]8 = a^{3}\\\sqrt[3]{8} = \sqrt[3]{a^{3} } \\2 = a\\a = 2[/tex]

Therefore, the length of each edge of the cubes is 2 inches.

Learn more about volume of cube here:

https://brainly.com/question/18180563

given a right cone with radius r and slant height s, what does the formula pi rs represent

Answers

The formula of pi rs represents the formula to find the lateral surface area of a right cone.
Answer:

The formula πrs represent the lateral surface area of the cone.

Step-by-step explanation:

Lateral surface area--

The lateral surface area of a solid ( i.e. a three dimensional object) is the area of all the sides of the solid excluding the area of the base as well as top of the solid.

If r is the radius of the cone and s is the slant height of the cone then the lateral surface area of the cone is given by the formula:

[tex]Lateral\ surface\ area=\pi rs[/tex]

0.009 is 1/10 of which decimal

Answers

the answer would be 0.09
It will be 0.09 hope this helps!❣️

the expression 6xi³(4xi+5) is equivalent to what?

Answers

6xi³(4xi+5) 
= 24x^2 i^4 + 30xi³

hope it helps

I need help I don’t get the question

Answers

7 times 5 times 2 times 3 times 4 = 840.  You multiply each number in the maze to get the top number, 840.
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