To find the product 3/7 x 4/9, Cameron found the GCF of 3 and 9. He then multiplied the fractions 1/7 and 4/9 to find the product 4/63. What was Cameron's error?

QUESTION POSTED AT 06/12/2019 - 02:30 PM

Answered by admin AT 06/12/2019 - 02:30 PM

He didn't do what he did to 3/7 on 4/9. Hope this helps!
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Related questions

Use the law of cosines to find the value of 2*3*4 cos8

24cos(8)= 23.766 (rounded to three decimal places)

ANSWERED AT 28/01/2020 - 01:10 AM


QUESTION POSTED AT 28/01/2020 - 01:10 AM

The product of two consecutive negative integers is 306. What are the integers?

The integers are -17 and -18

ANSWERED AT 28/01/2020 - 01:10 AM


QUESTION POSTED AT 28/01/2020 - 01:10 AM

If f(x)=x^2+1, find and simplify: (a) f(t+1) The answer: t^2+2t+2 I do not understand how to workout the problem and get this answer. Please help!

All they're saying is to plug in (t + 1) for x and simplify.

f(x) = x² + 1
f(t + 1) = (t + 1)² + 1
= (t + 1)(t + 1) + 1
= t² + t + t + 1 + 1
= t² + 2t + 2

ANSWERED AT 28/01/2020 - 01:07 AM


QUESTION POSTED AT 28/01/2020 - 01:07 AM

Find the diagonal of a square whose sides are of the given measure. 7 square root of 3

I encourage you to draw in the diagonal. The diagonal of a square will create a triangle with the sides of the square. Specifically, this is a right triangle as the angles of a square are right angles by definition.

Use the Pythagorean theorem: a^2 + b^2 = c^2. In this case, sides a and b are each 7sqrt(3), and c is the diagonal of the square.
a^2 + b^2 = c^2
(7sqrt3)^2 + (7sqrt3)^2 = c^2
294 = c^2
c = sqrt(294) = 7sqrt(6)

ANSWERED AT 28/01/2020 - 01:05 AM


QUESTION POSTED AT 28/01/2020 - 01:05 AM

A food production company is choosing between two suppliers of grain. Supplier A sells grain for $5.25 per bushel plus a delivery fee of $3 per bushel. Supplier B sells the grain for $6.50 per bushel plus a flat delivery fee of $1,500 each week. Which supplier would cost more if the production company bought 500 bushels of grain each week?

Answer:

Supplier A is cheaper than supplier B.

Step-by-step explanation:

Supplier A sells grain for $5.25 per bushel plus a delivery fee of $3 per bushel.

Supplier B sells the grain for $6.50 per bushel plus a flat delivery fee of $1,500 each week.

When 500 bushels are bought from supplier A.

(5.25\times500)+(3\times500)

=> 2625+1500=4125 dollars

When 500 bushels are bought from supplier B.

(6.50\times500)+1500

=> 3250+1500=4750 dollars

Therefore, Supplier A is cheaper than supplier B.

ANSWERED AT 28/01/2020 - 01:05 AM


QUESTION POSTED AT 28/01/2020 - 01:05 AM

At a concession​ stand, three hot dogs and two hamburgers cost ​$9.75​; two hot dogs and three hamburgers cost ​$10.25. Find the cost of one hot dog and the cost of one hamburger.

Hot dog = D
Ham Burger = B
(just pretend)

3D + 2B = $9.75........*2_______6D + 4B = 19.50
2D + 3B = $10.25.......*3_______6D + 9B = 30.75


ANSWERED AT 28/01/2020 - 01:03 AM


QUESTION POSTED AT 28/01/2020 - 01:02 AM

!!!!!!HELP!!!!!! WORTH 22 POINTS. OG and OH divide straight angle FOJ into three angles whose measures are in the ratio 4: 3: 2. Find the measurement of angle FOG

(all the mentions to FOJ, FOG, GOH, HOJ refer to the angles)

FOJ = 180

FOJ = FOG + GOH + HOJ [make the drawing to see this clearly]

FOG = 2 (HOJ)

GOH = 3 (HOJ)/2

HOJ = HOJ

2 (HOJ) + 3(HOJ)/2 + HOJ = 180

4.5 HOJ = 180

HOJ = 180/4.5

HOJ = 40

FOG = 2(40) = 80

Answer: angle FOG measures 80 degrees.



ANSWERED AT 28/01/2020 - 01:02 AM


QUESTION POSTED AT 28/01/2020 - 01:02 AM

Kirsten built a rectangular corral with a fence on three sides.A side of the barn served as a short side od the corral.She used 130 m of fencing . The length of the corral was 20 m longer than the width . Find the dimensions of the corral. Choices for the width : 25, 30 , 35 EXPLAIN

Answer:  Second option is correct.

Step-by-step explanation:

Since we have given that

Let the width of corral be 'w'.

Let the length of corral be 'w+20'

Perimeter of corral = 130 m

As we know the formula for "Perimeter":

Perimeter=2l+w\\\\130=2(w+20)+w\\\\130=2w+40+w\\\\130=3w+40\\\\130-40=3w\\\\90=3w\\\\\dfrac{90}{3}=w\\\\w=30\ m

so, width of corral = 30 m

Length of corral = 30+20 = 50 m

Hence, Second option is correct.

ANSWERED AT 28/01/2020 - 01:01 AM


QUESTION POSTED AT 28/01/2020 - 01:01 AM

Find the slope and the y-intercept of the equation y − 3(x − 1) = 0

Answer: The slope of line m=3

The y-intercept of the line =-3 i.e (0,-3)  

Step-by-step explanation:

The given equation of line :  y - 3(x - 1) = 0

On simplifying,  y =3x-3

On comparing the general equation of line in intercept form y=mx+c, where m is the slope of line and c is the y intercept, we get

The slope of line m=3

Substitute x=0 in the equation, we get

The y-intercept of the line =-3 i.e (0,-3)  

ANSWERED AT 28/01/2020 - 01:01 AM


QUESTION POSTED AT 28/01/2020 - 01:01 AM

James is constructing a circle circumscribed about a triangle. He has partially completed the construction, as shown below. What should be his next step in the construction? Triangle DEF is shown with two sets of intersecting arc markings on either side of side EF. A line segment is drawn through each set of intersecting arc markings and through side EF. Another segment is drawn through side DE and two more sets of intersecting arc markings. Connect the arc markings to angle E to find another bisector Use the compass to find the perpendicular bisector for side DF Connect three arc markings to determine the vertices form the triangle Use the circumcenter to determine the center of the circle

The correct answer is:


Use the circumcenter to determine the center of the circle .


Explanation:


The steps James has completed have constructed the perpendicular bisectors of two sides of the triangle, DE and EF. The point where the perpendicular bisectors of the sides of a triangle meet is the circumcenter of the triangle. This is also the center of the circumcircle, or circumscribed circle.


We need to extend these bisectors so that they intersect. We then set our compass on this point and set the width from this center to any vertex of the triangle. This will be the radius of the triangle; we draw the circle and are finished.

ANSWERED AT 28/01/2020 - 12:59 AM


QUESTION POSTED AT 28/01/2020 - 12:59 AM

MO bisects angle LMN, angel LMO = 6x-20.angle NMO= 2x+32 find angle LMN?

If MO bisects angle LMN:
6 x - 20 = 2 x + 36
6 x - 2 x = 36 + 20
4 x = 56
x = 56 : 4
x = 14
∠ LMN = 2 · ( 2 · 14 + 36 ) = 2 · ( 28 + 36 ) = 2 · 64 = 128
Answer : C )  x = 14, ∠ LMN = 128

ANSWERED AT 28/01/2020 - 12:59 AM


QUESTION POSTED AT 28/01/2020 - 12:59 AM

Find the circumference and area of the circle having a given diameter of d = 13 cm

Circumference of circle = pi*diameter = 13pi cm

Area is pi*d^2/4 = pi*13^2/4 = 42.25pi cm^2.

ANSWERED AT 28/01/2020 - 12:58 AM


QUESTION POSTED AT 28/01/2020 - 12:58 AM

Find the circumference and area of the circle having the given diameter of d=13 cm.

The circumference of a circle can be found from the formula: 2 \pi r, where r is the radius (half of the diameter). 
2 x 3.1415 x 6.2 = 40.84cm

ANSWERED AT 28/01/2020 - 12:57 AM


QUESTION POSTED AT 28/01/2020 - 12:57 AM

-0.8 written as a fraction is _____. -4/5 -2/25 -4/25

Good evening


The answer is : -4/5


I hope that's help:)


ANSWERED AT 28/01/2020 - 12:57 AM


QUESTION POSTED AT 28/01/2020 - 12:57 AM

And what should I do from now on? I have to find the solutions for y... Please, a little help here :3

First thing you'll need to know is that the value for this equation is actually an approximation 'and' it is imaginary, so, one method is via brute force method.

You let f(y) equals to that equation, then, find the values for f(y) using values from y=-5 to 5, you just substitute the values in you'll get -393,-296,-225,... till when y=3 is f(y)=-9; y=4 is f(y)=48, so there is a change in 
signs when 'y' went from y=3 to y=4, the answer is between 3 and 4, you can work out a little bit deeper using 3.1, 3.2... You get the point. The value is close to 3.1818...

The other method is using Newton's method, it is similar to this but with a twist because it involves differentiation, so 
y_{n+1}=y_n-\frac{f(y)}{f'(y)} where 'n' is the number you approximate, like n=0,1,2... etc. f(y) would the equation, and f'(y) is the derivative of f(y), now what you'll need to do is substitute the 'n' values into 'y' to find the approximation.

ANSWERED AT 28/01/2020 - 12:56 AM


QUESTION POSTED AT 28/01/2020 - 12:56 AM

This two-word phrase indicates a ratio or fraction

Ratio-Proportion is the answer

ANSWERED AT 28/01/2020 - 12:54 AM


QUESTION POSTED AT 28/01/2020 - 12:54 AM

Fractions- seven over twenty equals?

7/20 is equal to 0.35 or can also be equal to 35% of the whole.

ANSWERED AT 28/01/2020 - 12:49 AM


QUESTION POSTED AT 28/01/2020 - 12:49 AM

Which ratio is equivalent to 14/21 2/7 2/3 1/7 3/4

The correct answer here is 2/3

That is because 7 doubled is 14 and 7 multiplied by 3 is 21.

ANSWERED AT 28/01/2020 - 12:46 AM


QUESTION POSTED AT 28/01/2020 - 12:46 AM

The measure of<ABC is 102°, find the measure of <DBC Is it 50? I wrote it down but I'm not sure.

Yes you are right because will be 102 - 52 = 50 degrees 

ANSWERED AT 28/01/2020 - 12:45 AM


QUESTION POSTED AT 28/01/2020 - 12:45 AM

Which fraction is equal to 2/3

4/6 , 6/9 would be 2 examples

ANSWERED AT 28/01/2020 - 12:44 AM


QUESTION POSTED AT 28/01/2020 - 12:44 AM

What are the x- and y-intercepts of the line tangent to the circle (x – 2)2 + (y – 2)2 = 52 at the point (5, 6)? 1. What is the relationship between the line tangent to the circle at the point (5, 6) and the radius of the circle containing the point (5, 6)? 2. What is the product of the slopes of two perpendicular lines or line segments? 3. What is the center of the circle? 4. How can you use the slope formula to find the slope of the radius of the circle containing the point (5, 6)? What is this slope? 5. What is the slope of the line tangent to the circle at point (5, 6)? 6. What is the slope-intercept equation for a line? 7. How can you use the slope-intercept equation to find the y-intercept for the line tangent to the circle at point (5, 6)? 8. How can you use this equation to find the x-intercept for the line tangent to the circle at point (5, 6)? 9. What are the x- and y-intercepts for the line tangent to the circle at point (5, 6)?

1 ) They are perpendicular.
2 ) m · (-1) / m = -1.
The product of the slopes is -1.
3 ) The center of the circle is ( 2, 2 ).
4 ) m = (6-2 ) / 5 -2 = 4/3
5 ) Slope of the tangent: m = - 3/4.
6 ) m = -3/4, passes through the point: ( 5. 6 ):
6 = - 15/4 + b
b = 24/4 + 15/4
b = 39/4
The slope-intercept equation is:
y = -3/4 x + 39/4
7) We will put : x = 0 in the linear equation.
8 ) We will put y = 0 in the linear equation.
9 ) y-intercept : y = 9.75
Zero: x = 13.

ANSWERED AT 28/01/2020 - 12:39 AM


QUESTION POSTED AT 28/01/2020 - 12:39 AM

Let u = <-5, -9>, v = <6, 8>. Find -8u - 2v.

Hello,

i and j are unit's vectors.

u=-5i-9j
v=6i+8j
-8u-2v=40i+72j-12i-16j=28i+56j
-8u-2v=<28,56>

ANSWERED AT 28/01/2020 - 12:38 AM


QUESTION POSTED AT 28/01/2020 - 12:38 AM

How do find the largest fraction for example4. Which of the following fractions is the largest? A. 10/13 B. 11/14 C. 14 /15 D. 17/18 How did you get the answers of 37800/37800 ex

It is sometimes easier to turn the fractions into decimals..
10/13 = 0.769
11/14 = 0.786
14/15 = 0.933
17/18 = 0.944

largest is 17/18

ANSWERED AT 28/01/2020 - 12:37 AM


QUESTION POSTED AT 28/01/2020 - 12:37 AM

Find the common difference of the arithmetic sequence. 25, 18, 11, 4

18 - 25 = -7
11 - 18 = -7
4 - 11 = -7

The common difference is -7.

ANSWERED AT 28/01/2020 - 12:35 AM


QUESTION POSTED AT 28/01/2020 - 12:35 AM

Find the domain of the following relation. R={(19,96),(20,101),(21,106),(22,111)}

(x, y)

The domain are all the x-values, the range are all the y-values.

R={(19,96),(20,101),(21,106),(22,111)}

The domain is: 19, 20, 21, and 22
The range is: 96, 101, 106, and 111

ANSWERED AT 28/01/2020 - 12:35 AM


QUESTION POSTED AT 28/01/2020 - 12:35 AM

The time, T, for a car to travel from Macon to Atlanta is inversely proportional to the speed, R. If it takes 1.75 hours to travel between the two cities at 55 mph, find (in hours) the time to travel between the two cities at 70 mph. It would take ____ hours to travel from Macon to Atlanta. Round your answer to two decimal places.

As the time and the speed are inversely proportional:
1.75  : t  = 70 : 55
70 t = 1.75 · 55
70 t = 96.25
t = 96.25 : 70 = 1.375 ≈ 1.38 ( rounded to 2 decimal places )
It would take 1.38 hours   to travel from Macon to Atlanta.

ANSWERED AT 28/01/2020 - 12:34 AM


QUESTION POSTED AT 28/01/2020 - 12:34 AM