BC=6x+4, AC=52, and AB=4x+8 find BC

Answers

Answer 1

Answer:

i'm not sure if it is the right answer or not

Step-by-step explanation:

Let's assume AC is a straight line and B is one the line, between A and C

AC-AB=BC

52-4x-8=6x+4

10x=40

x=4

--> BC=6x+4=6.4+4=28


Related Questions

1. Explain how measurements taken by standard rulers and scales are limited,
2. Include two to three examples to demonstrate these limitations. Include at least one limitation of using
a ruler and at least one limitation of using a scale,
3. Make sure to write your answer using five to ten complete sentences,

Answers

Answer:

Please find the answer in the explanation

Step-by-step explanation:

RULER

measurements taken by ruler can be limited due to absolute errors, zero error and uncertainties.

1.) If the end of the ruler is worn out giving rise to a zero error

2.) The calibration of the ruler may give rise to another systematic error if the makings are incorrect.

3.) If the object to be measured is not on the same level as graduated surface of the ruler, the angle at which the scale is viewed will affect the result. This is known as parallax error.

SCALE

Systematic error can occur in a scale when the scale is wrongly calibrated.

Also, reading a scale from different angles introduces a variable parallax error.

random uncertainty could be a parallax error caused by taking readings from different angles. This can be reduced by the use of a mirror behind the scale and viewing normally.

Employee Time Card
DATE
IN
OUT
IN
OUT
HOURS
Sun.
Mon.
7:00 AM
11:00 AM
12:00 P.M.
a.
4:04 PM
3:59 P.M.
Tue.
7:05 AM
11:55 PM
b.
Wed.
7:01 AM
11:10 AM
10:59 AM
10:55 AM
12:05 PM
C.
Thur.
6:59 AM
3:58 P.M.
4:03 P.M.
3:49 PM
12:01 PM
12:02 PM
d.
Fri.
6:55 AM
11:01 AM
e.
Sat
TOTAL HOURS

Answers

31 hours 57 minutes.
In most jobs, the employees round up so that would make it 32 hours.
32x7.50= 240
If they wanted to be technical you could do 31.57x7.5 and that would make it 236.78
It’s up to you which one you go with

Answer:

31 hours 57 minutes.

In most jobs, the employees round up so that would make it 32 hours.

32x7.50= 240

If they wanted to be technical you could do 31.57x7.5 and that would make it 236.78

It’s up to you which one you go with

Step-by-step explanation:

Evaluate the expression when c=-6.
c? +6c+5

Answers

Answer: -31

Step-by-step explanation: 1.) Plug in -6 for c

2.) equation will then be: 6(-6)+5

3.) use PEMDAS: multiply first then addition

4.) 6(-6) equals -36

5.) add -36+5 which equal -31

Therefore your answer should be -31

The answer should be -31


Explanation:




Solve LaTeX: \frac{-x}{3} \:-15 x > − 15 LaTeX: x\: \:-2

Answers

Answer:

The answer is option A

Step-by-step explanation:

[tex] \frac{ - x}{3} < 5[/tex]

First of all cross multiply

That's

[tex] - x < 5 \times 3 \\ - x < 15[/tex]

Next divide both sides by - 1 to make x positive and change the sign from < to >

That's

[tex] \frac{ - x}{ - 1} < \frac{ 15}{ - 1} [/tex]

We have the final answer as

[tex]x > - 15[/tex]

Hope this helps you

On one map of a town , the scale from the town to the map is 12mi to 3 cm. the school is 2.5cm from the grocery store on this map. on a different map of the same town ,the scale from the town to the map is 12mi to 2cm .the school is 1.5cm from the library on that map. is the grocery store or library closer to the school?

Answers

Answer:

Step-by-step explanation:

Grocery Store

12 mi / 3 cm = x / 2.5 cm            Cross multiply

12 * 2.5 = 3 * x                             Multiply

30 = 3x                                        Divide by 3

30/3 = x

x = 10 miles

Library

12 mi / 2 cm = x / 1.5                  Cross multiply

12 * 1.5 = 2x

18 = 2x                                        Divide by 2

18/2 = x

9 miles

The library is closer than the grocery store.

Someone help





Plssssssssssssssssssssssssss

Answers

You can use the Reflections or translation

Seven times the sum of 4 and some number is 42

Answers

Answer:

[tex]x=2[/tex]

Step-by-step explanation:

[tex]7\times{(4+x)}=42[/tex]

Divide both sides by 7:

[tex]4+x=42\div{7}\\4+x=6[/tex]

Subtract 4 from both sides:

[tex]x=6-4\\x=2[/tex]

7k-k+19 Combine like terms

Answers

Step-by-step explanation:

7k-k+19

6k+19 should be fine

Steps to solve:

7k - k + 19

~Combine like terms

6k + 19

Best of Luck!

Ellie drives 22.5 miles in 45 minutes. If she drove three hours in total at the same rate, how far did she go?

Answers

Answer:

90

Step-by-step explanation:

3 hours = 180 mins

180 ÷ 45 = 4. so Ellie will drive 4x more miles in 3 hours.

22.5 × 4 = 90

In the Atlanta metropolitan area, 723 new cases of invasive cancer of the cervix occurred among white women between 1975 and 1984, inclusive. An estimated 620,000 white women lived in this area on average during this time period. What is the average annual incidence rate of invasive cervical cancer in this population?

Answers

Answer:

1.166 per 1000 of population

Step-by-step explanation:

Given the following :

Newly recorded cases of invasive cervical cancer = 723

Period of time = 1975 - 1984 ( inclusive)

Estimated average Population of white women in the area at the time = 620,000

Average annual. Incidence rate invasive of cervical cancer in the population.

Incidence rate = (new cases / total population) × 10^n

Incidence rate = (723/620000) × 10^n

= 0.0011661

= 1.166 per 1000 of population

Solve : 3x – 4 = 2(x-1)

Answers

Answer:

Step-by-step explanation:

Answer:

x=2

Step-by-step explanation:

3x-4=2(x-1)

=>3x-4=2x-2

=>3x-2x=-2+4

=>x=2

Solve −5x = 30 a.) 6 b.) -6 c.) 25 d.) 35

Answers

It’s B)-6 hopes this helps

Y=AB-8. Trying to learn how to solve for A.

Answers

Answer:

[tex]A=\frac{Y+8}{B}[/tex]

Step-by-step explanation:

So we have:

[tex]Y=AB-8\\[/tex]

First, add 8 to both sides. The right will cancel:

[tex]Y+8=AB[/tex]

Now, notice that A is multiplied to B. So, the isolate A, divide both sides by B. The right will cancel:

[tex]A=\frac{Y+8}{B}[/tex]

And we're done!

Solve for x: 3/2 + 1/2x=2x

Answers

X=1 If you need work shown explained just let me know if you need work shown explained just let me knowww :)))

Madelyn was baking cookies for her classmates. Each batch of cookies calls
for 1/2 a cup of sugar. If she is making 8 batches, how many cups of sugar will she need?

Answers

Answer:

4 cups

Step-by-step explanation:

Determine whether the equation is always, sometimes, or never true.


2/3 x + 4 = 2x

Answers

Answer:

Always true

Step-by-step explanation:

Given

[tex]\frac{2}{3}x + 4 = 2x[/tex]

Required

Determine its type of solution

[tex]\frac{2}{3}x + 4 = 2x[/tex]

Collect Like Terms

[tex]2x - \frac{2}{3}x = 4[/tex]

Take LCM

[tex]\frac{6x - 2x}{3} = 4[/tex]

[tex]\frac{4x}{3} = 4[/tex]

Multiply both sides by [tex]\frac{3}{4}[/tex]

[tex]\frac{4x}{3} * \frac{3}{4}= 4 * \frac{3}{4}[/tex]

[tex]x = 4 * \frac{3}{4}[/tex]

[tex]x = 3[/tex]

Hence, the equation is always true for x = 3

The inventory of a restaurant needs replenishing of its supply of apples. The food supplier charges $7/bag of apples. The restaurant needs a 30 day-supply. If the restaurant uses 2 bags of apples per day, how much will it cost for a 30-day supply?


(You do not need to include the units. You only need to enter your answer as a number.)

Answers

if it’s 2 bags of apples a day for 30 days, then that’s 60 bags of apples total (30x2)

and if the charge for a bag is $7, then multiply 7 times your total number of bags (7x60) for the cost.

the answer should be $420

y< 4 3 ​ x+3 y≤−2x−1 ​ Which graph represents the system of inequalities?

Answers

Answer:

Don't see any graphs

Step-by-step explanation:

Answer:

its A

Step-by-step explanation:

Which of the following is a true statement?

a. To square a number, multiply the number
by 2.
b. The inverse of squaring a number is to
divide the number by 2.
c. To square a number, multiply the number
by itself.
d. A perfect square is a number who’s
square root is an even number.

Answers

Answer: The answer is c. To square a number is to divide the number by 2.

Step-by-step explanation:

What are the coordinates of G, H, and I after a rotation about (0,0) by 90 degrees clockwise? Thank you.

Answers

Answer:

Ok, when we have a point (x, y) and we do a rotation of 90° the new points will actually depend on the quadrant where we are, but it will always change the order to (y, x) but this does not end here, because depending on the quadrant where the point ends, the signs will change as follows.

1st quad (+y, +x)

2nd quad (-y, +x)

3rd quad (-y, -x)

4th quad (+y, -x)

So if we are in the second quadrant, the transformed point will be in the first quadrant

Now, we have that the points G and H are:

G = (-1, 3)

This point is in the second quadrant, so it moves to the first quadrant (where bot values must be positive).

The new point will be:

G´ = (3, 1)

And the other point is:

H = (-4, 0)

It also rotates to the first quadrant, so the new point will be:

H' = (0, 4)

Answer:

Because the person above already explained I’ll just give the answers.

Step-by-step explanation:

G = (-1,3) H = (-4,0) I = (3,-2)

order the number from greatest to least
3 1/3,3.34,300%​

Answers

Answer:

3.34, 3 1/3 300%

3.34,3 1/3,300%

Sorry if I’m wrong

it's easy it's called Two-way tables please help

Answers

Answer: The filled out table is shown below in the attached image

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

Explanation:

The letters A through J are one way to fill out the table. Though there are other possible orders.

Start at letter A, which is from the fact we have 40 people total

Then move to letter B. This is the total number who like pasta (26)

We have C = A-B = 40-26 = 14 people who don't like pasta

--------------

Now move to cell D. This is the total who don't like netball, which is 21 people. There are E = A-D = 40-21 = 19 people who do like netball.

F = 4 is the number of people who don't like either thing (netball or pasta). So G = D-F = 21-4 = 17 people like pasta but don't like netball.

Of those people who like netball (E = 19), we have 9 who also like pasta. This is in cell H in the upper left corner. This means J = E-H = 19-9 = 10 people like netball but don't like pasta.

----------------

So we have these values

A = 40B = 26C = 14D = 21E = 19F = 4G = 17H = 9 J = 10

-2.5 + d = -3.6 What is the sum?

Answers

Answer:

-1.1

Step-by-step explanation:

we take -3.6 minus -2.5

which we get -1.1 hav a nice day :]

Answer:

d = -1.1

Step-by-step explanation:

-3.6 - ( -2.5) = -1.1

Where is the point of intersection? x − 2y + 2 = 3 and x − y = 3

Answers

Answer:

Step-by-step explanation:

x -2y = 1

x - y = 3

x - 2y = 1

-x + y = -3

-y = -2

y = 2

x - 2 = 3

x = 5

(5, 2)

What is the solution to the equation?
{+55 - 466
{+55 = 466
O [+55-55-466+55
f=521
+55 = 466
O +55+55-466+55
{ = 521
(+55 = 466
O +55-55-466-55
f=411
f+55 = 466
Of+ 55+55-466-55
f = 411

Answers

Answer:

f=55=466

f+55-55=466-55

Step-by-step explanation:

Find the solution of the term.

What is $12.78 rounded to the nearest dollar?

Answers

Answer:

$13

Step-by-step explanation:

[tex]\$12.78 = \$13[/tex]

Answer:$13

Step-by-step explanation:

.7 rounds to 1 if it is 5 or above it rounds up

Evaluate the expression when c=-6.
c2 +6c+5

Answers

Answer:

the evaluation gives 5 as the result

Step-by-step explanation:

We just replace -6 instead of "c" in the expression and perform the appropriate operations:

[tex]c^2+6\,c+5\\(-6)^{2} +6\,(-6)+5\\36-36+5\\5[/tex]

Answer:  NEGATIVE 1

Step-by-step explanation:

I got the answer wrong and it told me the right answer was -1 so lol

A rope 5 meters long was cut into 7 equal parts. What is the length of each part?

Answers

Answer:

5/7 meters

Step-by-step explanation:

Take the 5 meters and divide into 7 parts

5/7 = 5/7 meters

To find the length of each part, we can divide.

5 / 7 = 0.714...

We can just keep it as a fraction.

The answer is 5/7m

Best of Luck!

Solve for y.
4y2 = 7y+2
If there is more than one solution, separate them with commas.
If there is no solution, click on "No solution."

Answers

Answer:

y=-1/4, 2.

Step-by-step explanation:

4y^2=7y+2

4y^2-7y-2=0

factor,

(4y+1)(y-2)=0

zero property,

4y+1=0, y-2=0,

4y=0-1=-1,

y=-1/4,

y=0+2=2.

The federal tax code allows some items used for business purposes to be depreciated. That is, their taxable value decreases over time. A new van used in your delivery business has a taxable value of $22,000. The tax code allows you to depreciate this van by $1900 per year. Find a formula that gives the taxable value T, in dollars, of the van after n years of depreciation.

Answers

Answer: T = 22,000 - 1,900n

Step-by-step explanation:

Taxable value is $22,000

The tax code allows for the depreciation of this van by $1,900 per year.

After n years therefore the total depreciation is;

= 1,900 * n

This depreciation will need to be removed from the taxable value of $22,000 to find out the taxable value left.

Formula is therefore;

T = 22,000 - 1,900n

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