i could really use some help on this one 1/2(b+14)=b+14÷2

Answers

Answer 1
b+14/2=b+14/2
1
they r equal
Answer 2
1/2(b+14) = b + 14/2 is like writing (1/2).b + (1/2).14 = b + (14/2)
since / has higher preceddence than + and what's inside the parentheses has higher precedence than anything else, here we can't add b to 14 so we have to expand the expression
       b/2 + 7 = b + 7 (we add (-7) on both sides to eliminate 7)
<=> b/2 = b (add (-b) on both sides)
<=> b/2 - b = 0 
<=> b(1/2 - 1) = 0
<=> b.(-1/2) = 0 ((-1/2) multiplied by sthing equals 0, if we multiply two numbers and the result is 0 then at least one of the two is equal to 0, since (-1/2) isn't equal to 0 then b=0)
<=> b = 0

Related Questions

what is the value of the digit 5 in the number 75

Answers

The value would be 5 itself because it is in the ones place. If it were in the tens place it would be 50, if it were in the hundreds place it would be 500, and so on. Hope this helps. Let me know if you need anything else or if I can clarify anything for you, and feel free to post more questions.
Final answer:

The value of the digit 5 in the number 75 is 5. This is because in the number 75, 5 is in the ones place and thus represents 5.

Explanation:

The value of the digit 5 in the number 75 is actually 5 itself. In any two-digit number like 75, the place values are tens and ones. The first digit represents the tens place and the second represents the ones place. Therefore, in 75, the digit 7 represents 70 (as it is in the tens place) and the digit 5 represents 5 (as it is in the ones place). Hence, the value of the digit 5 in the number 75 is 5.

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The screen on Lawrence's new phone is 3.15 centimeters long.What mixed number represents the lenght of the phone screen?

Answers

[tex]3.15= 3\frac{15}{100}= 3 \frac{3}{20} [/tex]  cm

Break down each of these numbers into prime factors: 8, 45, 50, 150, 256, 500.
Plz help me, plz!!! I have to turn it in tommorrow!

Answers

8= 2x2x2

45=9x5=3x3x5

50=5x10=5x5x2

150=15x10=5x5x3x2

256=16x16=4x4x4x4=2x2x2x2x2x2x2x2

500=5x100=5x5x5x2x2


Write this number in expanded form 73,489

Answers

70000+3000+400+80+9    
70000+3000+400+80+9 is the answer to the question

How many two-digit numbers satisfy the following property: the last digit (units digit ) of the
square of the two-digit number is 8?

Answers

0 because no square numbers end in 8 none no matter how many digits it has.

How many intersections are there of the graphs of the equations below? 1/2x + 5y = 6 3x + 30y = 36 none one two infinitely many

Answers

Solve both equations 1/2x + 5y = 6 becomes y = -1/10x + 5/6 and 3x +30y = 36 becomes y = -1/10x + 36/30.  Since both equations have the same slope..1/10 the lines are going to be parallel since the constant is different 5/6 vice 36/30.  They will never cross.

Answer:

D infinitely many  

Step-by-step explanation:

They lines never cross

Evaluate cos(tan^-1 0)

Answers

Answer:

[tex]cos(tan^{-1}(0))=1[/tex]

Step-by-step explanation:

Evaluate cos(tan^-1 0)

[tex]cos(tan^{-1}(0))[/tex]

We know that tan(0)=0

tan (0 degree)=0

[tex]tan^{-1}(0)=0[/tex]

Replace it in our problem

[tex]cos(tan^{-1}(0))[/tex]

[tex]cos(0)[/tex]

At 0 degree the cos value is 1

So co(0)=1

[tex]cos(tan^{-1}(0))=1[/tex]

Answer:

the correct answer is 1

A phane takes off at an angle of elevation of 15 ° and travels in a straight line for 3,000 meters. What is the height of plane above the ground at this instant ?

Answers

Using SOHCAHTOA we have:
sin15 = height / 3000
height = 3000 sin 15 height  = 776.46m

So, the height of the plane above the ground at this instant is 776.46m

Final answer:

The height of the plane above the ground after traveling 3,000 meters at a 15° angle of elevation is approximately 776.4 meters. This is calculated using the sine function: height = 3,000 m × sin(15°).

Explanation:

To find the height of the plane above the ground after taking off at an angle of elevation of 15° and traveling for 3,000 meters, we can use trigonometric functions. Specifically, the sine function relates the opposite side of a right-angled triangle (in this case, the height above ground) to the hypotenuse (the distance traveled by the plane).

The sine of an angle in a right triangle is equal to the length of the opposite side divided by the length of the hypotenuse. The formula is:

height = hypotenuse × sin(angle)

Here, the hypotenuse is the distance traveled by the plane (3,000 m), and the angle is 15°. Thus, the calculation would be:

height = 3,000 m × sin(15°)

We can calculate the sine of 15° using a calculator.

height = 3,000 m × 0.2588 (approximately)

height = 776.4 m (approximately)

Therefore, the plane is approximately 776.4 meters above the ground.

Eddie has saved up $45 to purchase a new camera from the local store. The sales tax in his county is 7% of the sticker price. Write an equation and solve it to determine the value of the highest priced camera Eddie can purchase with his $45, including the sales tax. Round your answer to the nearest penny.
x − 0.07x = 45; $48.39
0.7x = 45; x = $64.29
7x = 45; x = $6.43
x + 0.07x = 45; x = $42.06

Answers


 tax gets added to the price of the camera

 so the equation is:

x + 0.07x = 45; x = $42.06

900 is 1/10 of what

Answers

The answer is 9000...
You have to divide to solve the answer.
So, the problem will be 900 divided by 1/10. Since it's division, you flip the fraction behind the division sign and change the division to multiplication. This is called KFC (or keep, flip, change) because you keep the first number, flip the second number ( but only if it is a fraction) and change the division sign.
Now your problem should be:
900 times 10/1 or 900 times 10 which equals to 9000
Hope this helps! :)

Help! I've been struggled on this for a loooong time!!

Answers

Without calculus...

y=5x^2-20x+1357

y-1357=5x^2-20x

(y-1357)/5=x^2-4x

(y-1357)/5+4=x^2-4x+4

(y-1357)/5+4=(x-2)^2

(y-1357)/5=(x-2)^2-4

y-1357=5(x-2)^2-20

y=5(x-2)^2+1337

So the minimum value for y is 1337

With calculus...

y=5x^2-20x+1357

dy/dx=10x-20

dy/dx=0 when

10x-20=0

10x=20

x=2

y(2)=5(4)-20(2)+1357=1337

0.55555555555 As a fraction

Answers

0.55 as a fraction is 11/20

Answer:

11/20

Step-by-step explanation:

Tina Avallone and her husband are buying a $219,000 home. Their annual housing expenses are: mortgage payments, $15,400; real estate taxes, $3,600; annual homeowner’s insurance premium, $1,895; maintenance on the home, $3,200; and utilities, $3,980. The lost interest on the down payment is $1,001 and the tax savings is $1,976. What is their average monthly expense?

Answers

Answer:

the answer is actually is $2,258.33

Step-by-step explanation:

Lucas has five buttons in a container. Each button is a different shape. There is a star, an oval, a hexagon, a circle, and a heart. He picks one button, replaces it, and then picks another button. The sample size for this compound event is__ . Suppose one square-shaped button is added to the container. If Lucas repeats the same picking process, then the sample size would be__ .

Answers

contains 5 buttons...
picks one, then replaces. then picks another

since he puts the button back, the sample size remains the same as when he picked the 1st one....and that sample size is 5

if 1 button is added, and he uses the same process and replaces the button he picked, then the sample size will be 6....because 1 button was added making a total of 6 buttons.

Answer:

25,35

Step-by-step explanation:

Part A: There are five buttons in all in all in the given item. The item above can be answered through the fundamental principles of counting.  

There are 5 items to choose from during the first pick. Because the shape can be returned and picked again, there are also 5 items to choose from in the second pick. Multiplying them,

                              n = 5 x 5 = 25

Therefore, the sample size for the compound event is equal to 25.

Part B: The same concept can be used in this part of the item; however, instead of 5 there are 6 buttons to choose from.

                             n = 6 x 6 = 36

Hence, the sample size of this picking process is 36.

Does it matter which way you subtract the values when finding distance explain?

Answers

No it does not really matter.

No, as long as you remember that distance is awlays zero or positive.

Find the coordinates of P so that P partitions the segment AB in the ratio 1:1 if A(13,1)A(13,1) and B(−5,−3)B(−5,−3)

Answers

Final answer:

The coordinates of point P that partitions the segment AB in the ratio 1:1 are (4, -1). The calculation is done using the segment partition formula.

Explanation:

To solve this problem, we use the formula for finding the point that divides a line segment into a given ratio. The formula is P(x, y) = ((x1*m2 + x2*m1)/(m1+m2), (y1*m2 + y2*m1)/(m1+m2)). Here, points A and B are (13,1) and (-5,-3) respectively, and the ratio m1:m2 is 1:1.

So applying the formula, we have P(x, y) = ((13*1 + -5*1) / (1+1), (1*1 + -3*1) / (1+1)) = (8/2, -2/2) = (4, -1).

So, the coordinates of point P that partitions the segment AB in the ratio 1:1 are (4, -1).

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Final answer:

To find the coordinates of point P that bisects the segment AB in the ratio 1:1, we use the midpoint formula. Substituting the values of points A(13,1) and B(-5,-3) into the formula gives us P(4,-1).

Explanation:

The student wants to find the coordinates of point P that would bisect the line segment AB in a 1:1 ratio. Since the ratio is 1:1, point P is the midpoint of the segment. To find the coordinates of the midpoint P, we need to calculate the average of the x-coordinates and the y-coordinates of points A and B.

Using the formula of a midpoint, M(x, y) = [ (x1+x2)/2 , (y1+y2)/2 ], let's substitute the coordinates of points A(13,1) and B(-5,-3).

P(x, y) = [ (13-5)/2 , (1-3)/2 ]

Therefore, the coordinates of point P that partitions the segment AB in the ratio 1:1 is P(4, -1).

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an equilateral triangle has an altitude of 2√3in. and a perimeter of 12 in. what is the area of the triangle?

Answers

12 in perimeter/3= 4 in per side (inclding the base)

Area of triangle: bh/2
4(2√3)/2= 8√3 /2= 4√3

Final answer: 4√3 in^2
A = bh/2 for a triangle
Perimeter = 12/3  Side = 4
A = 4 x 2Sqrt(3) / 2 = 4 Sqrt(3) in^2

Gillian earns $7.50 an hour babysitting on the weekends.Last week she babysat for 2.2 hours on Saturday and 3.5 hours on Sunday.How much did Gillian earn

Answers

Total hours= 2.2+3.5=5.7

Total earned = 5.7 x $7.50= $42.75

What's the 7 number ling

Answers

If the number is rounded to 8,920,000 then it can't be over 8,924,999 and it can't be less than 8,915,000.
The numbers in the tens and hundreds are the least and the same. They might be zeros.
The thousands is 2x the ten thousands place. The ten thousands place now is either 2 or 1. The thousands place will either be 2 or 4.
The sum of all the digits is 24. We know that there will be an 8 and a 9 so if we add those up and subtract it from 24, we know the rest of the numbers need to add to 7.
8,924,001 would be your number.


Answer question to get brain

Answers

First one:
D. 16x10=160

160x32=5120
Second one: 9.3

a cube is a three-dimensional solid with a square faces find the total surface area of a cube whose edges are each five feet in length

Answers

All we have to do is solve for one of the square faces.
Area = (side)^2

=5^2
25 ft^2
There are 6 sides on a cube, so we multiply by 6

25*6 = 150 ft^2
a cube has 6 square faces
each face is a square, the area of each is side²

so the surface area of a cube is 6s² where is the length of each side or edge

given that each edge is 5ft

SA=6(5)²
SA=6(25)
SA=150 ft²

the surface area is 150 ft²

Which of the following side measurements could make an equilateral triangle and isosceles triangle?
A.12, 12, 14
B. 4, 5, 6
C. 2, 2, 2
D. 2, 2, 4

Answers

Well C. would make an equilateral triangle, due to all three sides being the same. It could also be an isosceles triangle, due to both sides being the same.

Answer:2,2,2

Step-by-step explanation: I just took the test and got it right.

(I NEED THIS ASAP PLEASE)Jermaine knows that QRS and FGH each have two sides that are 9 mm long. What statement best describes the two triangles?
1)The two triangles are congruent because there are two pairs of congruent corresponding sides.
2)The two triangles are congruent because both triangles are isosceles with 9 mm sides.
3)The two triangles may be congruent, but additional measurements are needed.
4)The two triangles may be congruent, but additional information is needed about the orientation of the figures.

Answers

the 3rd option because the angle between the two sides may be different in either triangle

Answer:

(C)The two triangles may be congruent, but additional measurements are needed.

Step-by-step explanation:

It is given that QRS and FGH each have two sides that are 9 mm long that is QR=QS=9mm and FG=FH=9mm.

Thus, both the triangles that are QRS and FGH becomes the isosceles triangles.

Now, in order to prove that ΔQRS≅ΔFGH, we require more measurements as congruency can be proved only by SAS, SSS, ASA or AAA that is by using all the three sides of triangle or by using two sides one angle or by using two angles and one side or by using all the three angles.

Therefore, we need remaining side or angle in order to prove that ΔQRS is congruent to ΔFGH.

Hence,  option (C) is correct.

manny brought 2 1/2 cakes to the party, but 3/4 of those went uneaten. How much cake was not eaten?

Answers

1.76
Subtract 2.5 to 3/4 by dividing 3 to 4 getting the answer of 1.76
2 1/2 = 5/2
5/2 x 3/4 = 15/8 = 1 7/8

answer
1 7/8 not eaten

please Help me
13. - 9/25

Answers

First you can multiply 13 with -9 which gives you ---> 13 . 9 = -117
Then you can divide -117 to 25 --------->   -117 / 25 = 4.68

Solve the equation. X/8+12=16

Answers

x/8+12=16
Subtract 12 to both side
x/8+12-12=16-12
x/8=4
Multiply each side by 8
(x/8)8=4(8)
x=32
Check:
Substitute x with 32
32/8+12=16
4+12=16
16=16. As a result, x equal 32. Hope it help!

Answer x= 32

Imagine math

What is the remainder when (x^4+36) is divided by (x^2-8)

Answers

Answer:

The remainder is 100.

Step-by-step explanation:

The divisor is [tex]x^2-8[/tex].

Dividend is [tex]x^4+36[/tex].

We have to find the remainder of

[tex]\frac{x^4+36}{x^2-8}[/tex]

It can be written as

[tex]\frac{x^4+36}{x^2-8}=\frac{x^4-64+64+36}{x^2-8}[/tex]

[tex]\frac{x^4+36}{x^2-8}=\frac{(x^4-64)+100}{x^2-8}[/tex]

[tex]\frac{x^4+36}{x^2-8}=\frac{(x^4-64)}{x^2-8}+\frac{100}{x^2-8}[/tex]

[tex]\frac{x^4+36}{x^2-8}=\frac{(x^2-8)(x^2+8)}{x^2-8}+\frac{100}{x^2-8}[/tex]       [tex][\because a^2-b^2=(a-b)(a+b)][/tex]

[tex]\frac{x^4+36}{x^2-8}=x^2+8+\frac{100}{x^2-8}[/tex]

Therefore the remainder is 100.

Maria is buying new carpet for her bedroom and her bedroom is the shape square in each side is 12 feet what is exponetial expression to find out how much carpet she needs

Answers

Final answer:

To find out how much carpet Maria needs for her square-shaped bedroom with each side measuring 12 feet, we can calculate the area of the room by using the exponential expression 12².

Explanation:

To find out how much carpet Maria needs for her square-shaped bedroom, we need to calculate the area of the room. Since each side of the square is 12 feet, we can use an exponential expression to find the area. The exponential expression is 12², which simplifies to 144 square feet.

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April wants to multiply 6 and 42 using the distributive property. Which of the following number sentences shows how she could do it?

6 × 42 = 42 × 6
6 × (40 + 2) = (6 × 40) + 2
(6 × 42) × 1 = 6 × (42 × 1)
6 × (40 + 2) = (6 × 40) + (6 × 2)

Answers

I'm pretty sure the answer is the last one:
6 x (40+2) = (6 x 40) + (6 x 2)
The 6 is distributed to the 40 and the 2

Final answer:

To multiply 6 and 42 using the distributive property, you break down 42 into 40 and 2, then multiply each part by 6 and add them together to get 252.

Explanation:

The distributive property in mathematics allows us to multiply a sum by multiplying each addend separately and then adding the products. April wants to multiply 6 by 42 using the distributive property. The correct way to do this using the distributive property is to break down 42 into 40 and 2, then multiply each by 6 and add the results. Therefore, the correct number sentence using the distributive property is:

6 × (40 + 2) = (6 × 40) + (6 × 2)

This simplifies to:

(6 × 40) + (6 × 2) = 240 + 12 = 252

So, 6 × 42 equals 252 when applied through distributive property.

The value of 7 in 503,497 is what times the value of 7 in 26,475?

Answers

1/10 the value.
You either multiply by 1/10, 1, or 10.
7 times 70 would be 490. So 490
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