MATHEMATICS HIGH SCHOOL

1. x+y=-3 ? What is the answer

Answers

Answer 1
Answer:

Answer:

x=-6 + y= 3

Step-by-step explanation:
Answer 2
Answer:

Answer:

x-intercept(s):  (−3,0)

y-intercept(s):  (0,−3)

Step-by-step explanation:

To find the x-intercept, substitute in  0  for  y  and solve for  x. To find the y-intercept, substitute in  0  for  x  and solve for  y

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The division property of equality could be used to solve which of the following equations?a. 5x= 30 b. x+ 3 = 7 c. (x+ 2) (x- 2) = 0 d. = 16

50% of what number is 46

Answers

50% = 0.5

0.5x = 46
x = 46/0.5 = 46*2 = 92

50%*92 = 46

Find the area of a circle with a diameter of 22 inches?

Answers

R=(Diameter)/(2)

then

R=(22~in)/(2)

\boxed{R=11~in}

now we just need to apply this formula

S=\pi*R^2

S=\pi*11^2

\boxed{\boxed{S=121*\pi~in^2}}
d=2r\n d=22\n 2r=22\n r=11\ inches\n \n A=\pi r^2\n A=\pi \cdot 11^2=3,14 \cdot 121=379,94\ inch^2

How do you find rhe slope of (12,-18) and (-15,-18)

Answers

slope of 2 points is
if you has the points
(x1,y1) and (x2,y2)

slope=(y2-y1)/(x2-x1)

we are given
(12,-18)
(-15,-18)

we can either take shortcut and recocnize that -18-(-18)=0 so that make the slope 0

or we can continue
(-18-(-18))/(-15-12)=0/-27=0


slope=0
you do Y2-Y1/ X2-X1, so -18--18(change sighn so it would be -18+18) which equals 0, then -15-12= -27, 0/-27= 0 so the slope would be 0

A group of 75 math students were asked whether they like algebra and whether they like geometry. A total of 45 students like algebra, 53 like geometry, and 6 do not like algebra or geometry. What are the correct values of a, b, c, d, and e?


a = 16, b = 29, c = 22, d = 30, e = 24

a = 29, b = 16, c = 30, d = 22, e = 24

a = 16, b = 29, c = 24, d = 22, e = 30

a = 29, b = 16, c = 24, d = 30, e = 22

Answers

Let x be the number of students that like both algebra and geometry. Then:

1. 45-x is the number of students that like only algebra;

2. 53-x is the number of students that like only geometry.

You know that 6 students do not like any subject at all and there are 75 students in total. If you add the number of students that like both subjects, the number of students that like only one subject and the number of students that do not like any subject, you get 75. Therefore,

x+45-x+53-x+6=75.

Solve this equation:

104-x=75,

x=104-75,

x=29.

You get that:

  1. 29 students like both subjects;
  2. 45-29=16 students like only algebra;
  3. 53-29=24 students like only geometry;
  4. 24+6=30 students do not like algebra;
  5. 16+6=22 students do not like geometry.

The correct choice is D.

It is very easy to find the values for a, b, c, d and e. All you have to do is use the Algebra vs. Geometry table to use the given values to find the rest. Please see attachment to see the table. For example if we want to find e we simply subtract 53 from 75. This way e = 22, then use this to find the next value which will be b.



The answer is:

a = 29, b = 16, c = 24, d = 30 and e = 22


I hope this helps, Regards.

Solve for x.

- 36 + 7x = 76 - x

x = [?]​

Answers

Answer:

Hey there!

-36+7x=76-x

-36+8x=76

112=8x

x=14

Let me know if this helps :)

Work the following pricing problems for services rendered. (For all calculations use hundredths.)Labor time = 4 1/2 hours
Overhead rate = 95%
Retail price of parts = $134.75
Total cost of job = $241.98

Hourly rate? $

Answers

Labor time = 4 1/2 hours = 4.5 hours
overhead rate = 95% - mostly dependent on labor
retail price of parts = 134.75
total cost of job = 241.98

241.98 - 134.75 = 107.23
107.25 / (4.5 x 1.95) = 107.25 / 8.78 = 12.22 hourly rate

labor : 12.22 x 4.5          =   54.99
overhead: 54.99 x 95%  =   52.24
retail price of parts         = 134.75
total cost of job:                 241.98

Answer:

$12.22

Step-by-step explanation:
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