Mathematics Middle School

the time a cake must bake is between 25 minutes and 30 minutes, inclusive

Answers

Answer 1

The answer is A.

A. - 25 < x < 30.

Related Questions

In a recent 10 year period, the change in the number of visitors to U. S. National Park was about -11,150,000.

Answers

okay, so, what am I trying to answer here? if you give me more information, ill be happy to help

Answer:

1115000

Step-by-step explanation:

what is the scientific notation of 97,700,000,000,000,000,000

Answers

the answer is. 9.8 x 10^18

The answer would be 9.77 x 10^19. I hope this helps love! :)

The adjacent sides of a parallelogram measure 14 centimeters and 20 centimeters, and one angle measures 57 degrees. Find the area of the parallelogram

Answers

sin 57° = h/14, h=11,74.....
Area = h*20 = 234,82.... (cm²)

Answer:

B. 234.8 cm ^2

Step-by-step explanation:

Find the LCM of 63 and 84.

Answers

252, because 2x2x3x3x7 = 252

The least common multiple is 252.

what is the greatest common factor of 24 and 36

Answers

The answer would be 12
24=1,24,2,12,3,8,4,6
36= 1,36,2,18,3,12,4,9,6
Twenty four and thirty six have twelve in common

The greatest common factor of 24 and 36 is 12

What is Greatest Common Factor?

The Greatest Common Divisor is the highest number that divides exactly into two or more numbers. It is also expressed as GCF

Given data ,

The two numbers are 24 and 36

Now , we need to find the factors of both numbers to determine the greatest common factor of the two numbers

Factors of 24 = 1, 2, 3, 4, 6, 8, 12, and 24

Factors of 36 = 1, 2, 3, 4, 6, 9, 12, 18, and 36

From the two set of factors , we can see that 12 is the greatest common factor of both 24 and 36

Hence , the Greatest Common Factor of 24 and 36 is 12

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In the inequality 3x + 14 ≤ 44, x represents the cost of CDs Tim bought. Which phrase most accurately describes the cost of CDs?

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x is less than or equal to 10

the correct answer is A.

the coffee pub has cans of coffee that weight 3 1/4 pounds each. the pub has 8 1/2 cans of coffee left. What is the total weight of 8 1/2

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To find the answer we must multiply the weight of one Can (3 1/4) with the amount of cans (8 1/2).

3 1/4 x 8 1/2 = 27 5/8

The total weight of 8 1/2 cans is 27 5/8 pounds.

To find the total weight of 8 1/2 cans of coffee, multiply the weight of each can by the number of cans. The total weight is 27 1/2 pounds.

The total weight of 8 1/2 cans of coffee can be found by multiplying the weight of each can (3 1/4 pounds) by the number of cans left (8 1/2).

3 1/4 pounds x 8 1/2 = 27 1/2 pounds

Therefore, the total weight of 8 1/2 cans of coffee is 27 1/2 pounds.

There are 13 dancers in the front row.7dancers are in the back row. How many fewer dancers are in the back row than are in the front row?

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there is a 6 dancer difference I mean that should be a pretty obvious answer.

the answer is 6 , there are 6 fewer students in the back row then the front

the forth term of an arithmetic seaquence is 19 and the fifth term is 13 . what is the third term

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The third term was likely to be 25. You can see a pattern -6 when it goes up a term.

PLEASE HELP! IN DESPERATE NEED! Please SHOW YOUR WORK! Thx so much! :)

Answers

1.

[tex]92+\frac{56}{14-x}=100\\\\\frac{56}{14-x}=8\\\\(\frac{56}{14-x})*(14-x)=8*(14-x)\\\\56=(8*14)+[8*(-x)]\\\\56=112-8x\\\\-56=-8x\\\\\\x=7[/tex]

2.

[tex]\frac{410-x}{7}+70=120\\\\\frac{410-x}{7}=50\\\\(\frac{410-x}{7})*7=50*7\\\\410-x=350\\\\-x=-60\\\\\\x=60[/tex]

which is bigger 3/8 or 0.38

Answers

.38 is larger than 3/8.
To come to this conclusion, I convert the fraction 3/8 into a decimal.
3/8=.375

Since .375 is smaller than .38, then .38 is larger than 3/8.

Final answer:

0.38 is bigger than 3/8.

Explanation:

To compare 3/8 and 0.38, we need to convert them to the same form. Since 0.38 is already in decimal form, we need to convert 3/8 to decimal form as well. Dividing 3 by 8 gives us 0.375.

Comparing 0.375 and 0.38, we can see that 0.38 is bigger than 0.375. So, 0.38 is bigger than 3/8.

what do you notice about the slopes of opposite sides

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There are two positive slopes on the opposite side for E and F, while there are two negative slopes on the opposite sides for G and H.

Find the solution to the system of equations: x + 3y = 7 and 2x + 4y = 8 1. Isolate x in the first equation: 2. Substitute the value for x into the second equation: 3. Solve for y: 4. Substitute y into either original equation: 5. Write the solution as an ordered pair: x = 7 – 3y 2(7 – 3y) + 4y = 8 14 – 6y + 4y = 8 14 – 2y = 8 –2y = –6 y = 3 x + 3(3) = 7 (, )

Answers

x + 3y = 7
x = -3y + 7

2x + 4y = 8
2(-3y + 7) + 4y = 8
-6y + 14 + 4y = 8
-2y = 8 - 14
-2y = - 6
y = -6/-2
y = 3

x + 3y = 7
x + 3(3) = 7
x + 9 = 7
x = 7 - 9
x = -2

solution is (-2,3)

Answer:

Thx. (-2, 3) is correct

Step-by-step explanation:

4x − 3/3=7

Solve for x.

Answers

In the case that this is (4x - 3)/3 = 7, we would solve it like:

4x - 3 = 21
4x = 24
x = 6

In the case this is 4x - (3/3) = 7, we would solve it like:

4x - 1 = 7
4x = 8
x = 2

Final answer:

To solve the equation 4x - 3/3 = 7 for x, follow the steps below: add 3/3 to both sides to eliminate the fraction, simplify the right side, and divide both sides by 4 to isolate x. The solution is x = 2.

Explanation:

To solve the equation 4x - 3/3 = 7 for x, we will follow the steps below:

Add 3/3 to both sides of the equation to eliminate the fraction. This gives us 4x = 7 + 3/3.Next, simplify the right side of the equation. 7 + 3/3 is equal to 7 + 1, which is 8.Now, divide both sides of the equation by 4 to isolate the variable x. This gives us x = 8/4, which simplifies to x = 2.

So, the solution to the equation 4x - 3/3 = 7 is x = 2.

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the midpoint of AB has coordinates (4, -9). Endpoint A has coordinates (-3,-5). what are the coordinates of B

Answers

The coordinates for other endpoint is (5,-23)

The co-ordinates of B are (11,-23)

what is the Cartesian coordinate system?

A Cartesian coordinate system in a plane is a coordinate system that specifies each point uniquely by a pair of numerical coordinates,

Given here: The midpoint of the line AB is (4,-9) and A (-3,5)

let the co-ordinates for B be (x,y) Thus using the formula for midpoint we get

4=x-3 /2

x-3=8

x=11

-9= 5+y /2

y=-23

Hence, The co-ordinates of B are (11,-23)

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There are 318 fiction books in the class library.the number of nonfiction books is 47 less than the number of fiction books about how many nonfiction books are there in the class library?explain

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well therare 318 fiction books and it says the number of non-fiction books is 47 less so what is 318-47.

Answer:

271 books

Step-by-step explanation:

Given: There are 318 fiction books in the class library.the number of nonfiction books is 47 less than the number of fiction books.

To find: About how many nonfiction books are there in the class library

Solution: It is given that 318 fiction books in the class library.

Also it is given that the number of nonfiction books is 47 less than the number of fiction books.

Let us assume that there are x nonfiction books,

So, we have

[tex]x=318-47[/tex]

[tex]x=271[/tex]

Hence, the number of nonfiction books is 271.

Simplify
(4x-3)+(6x+1)
This is what I have...
10x-3+1
10x-2
I just don't think it's correct!

Answers

Yes the right answer is 10x - 2 and you did great !

It is right...

Since the sign between the parens. is a plus, you can just remove the parentheses all together.

4x-3 + 6x+1

Group the terms:
4x+6x -3+1

combine:
10x-2!

Hope this helps!

solve for y, then find the value of y when given x = -2. 6x = 7 - 4y

Answers

Final answer:

To solve for y in the equation 6x = 7 - 4y, isolate the y-term by subtracting 7 and dividing by -4. When x = -2, y = 15/4.

Explanation:

To solve for y in the equation 6x = 7 - 4y, we can start by isolating the y-term. First, subtract 7 from both sides of the equation to get 6x - 7 = -4y. Then, divide both sides by -4 to isolate y and change the sign, giving us y = -6x/4 + 7/4. To find the value of y when x = -2, we substitute -2 into the equation:

y = -6(-2)/4 + 7/4 = 3 + 7/4 = 3 3/4 = 15/4

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Find (3 × 10^4) + (7 × 10^2).
A) 3.07 × 10^2
B) 3.07 × 10^4
C) 3.70 × 10^2
D) 3.70 × 10^4
I need a correct answer please

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the answer is option "B"

Sophia has read 75 pages in a 250-page book. What percent of the book has Sophia read?

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she has read 75 of 250 so 75/250= 0.3

To turn that into a percent move the place marker in front of the zero, and add the place mark.

She has read 30%

30% is the answer to the problem

224 7/10 in decimal form

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224 7/10

One way to change this into a decimal is first changing the mixed fraction into an improper fraction. This can be done by multiplying the whole number (224) by the denominator (10) and then adding the numerator (7) to that number, and make sure to keep the denominator (10) the same.
224 7/10 = 2247/10
Then all you do is division or input it into a calculator to get the answer.
2247/10 = 224.7

Another way to do it is first look at the fraction (7/10). 7 out of 10, this would look like 0.7. 1 out of 10 is 0.1, 10 out of 10 is 1.0, etc. So now that you know the fraction is 0.7, all you do is add the whole number (224) to it, and you get:
224 + 0.7 = 224.7

Either way, the answer will be 224.7.

The fraction 2247/10 can be expressed in decimal form as 224.7.

To express the fraction 2247/10 in decimal form, we perform long division to divide the numerator by the denominator.

Dividing 2247 by 10, we obtain a quotient of 224 with a remainder of 7, The quotient represents the whole number part of the decimal, while the remainder becomes the decimal part.

Adding the decimal point, we can write the result as 224.7. So, 2247/10 as a decimal is 224.7,

This means that if we divide 2247 into 10 equal parts, each part represents 224.7 units,

Therefore, the decimal representation of 2247/10 is 224.7.

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The given question is incomplete, the complete question is

Express the fraction 2247/10 in decimal form.

Write the following equation in slope intercept form. y – 3 = -2 (x -5)

Answers

This equation is currently in Point Slope Form. You can easily convert this form to Y Slope Intercept by following these steps.

Add 3 to both sides.

y = -2(x-2)

Simplify.

y = -2x + 4

y - 3 = -2 (x -5)
y - 3 = -2x -10
+3 = +3
y = -2x -7

The coefficients of the expression 2x^3 -5x^2 + x are:

A. 3, 2, 0

B. 2, 5, 0

C. 2, -5, 1

D. -2, 5, -1

Answers

2 , -5 , 1
those are the coefficients (C)

Hello There!

The correct answer is C.

Hope This Helps You!
Good Luck :)

- Hannah ❤

Pls help. First answer marked as brainliest

Answers

-2; 3-5= -2 or -5 - (-3)

-1; 4-5 or -5 - (-4) = -1

-5; -6 - (-1)= 1-6= -5

Answer this question please. (It shows the question in the picture)

A). B). C) D)

Answers

I think A. is the answer.

Answer A. Because it increases

Which unit rate is the lowest price per ounce? Choice A: 25 ounces of potato chips for $3.49. Choice B: 45 ounces of potato chips for $4.79
Choice A
Choice B
Both are equal
Not determined

Answers

3.49/25 = 0.1396 rounded = 0.14 cents per ounce
4.79/45 = 0.1064 rounded = 0.11 cants per ounce

B is the lowest price

hope it helps

I thinks the awnswer is choise b because it is a lower unit price

35 multiplied by the quantity r less than 45

Answers

Hello There!

Call the missing value 'n'
35n < 45.

Hope This Helps You!
Good Luck :)

Please help it would be amazing~

Answers

The expression is true

=20n-55-3n+20
=17n-35
so they are equivalent

true

an angle measures 16 degrees less than three times its supplement find the measure of the angle

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3x-16 is the expression used

Convert 12 over 5 to a decimal using long division.

Answers

12/5 = 2.4

hope it helps

see the attached picture for long division:

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