Mathematics High School

Is (2,6) a solution to this system of equations?
y = -1/2x + 7
y = 8x - 10
yes
no

Answers

Answer 1

Answer:

yes

Step-by-step explanation:

y = -1/2x + 7

6 = -1/2(2) + 7

6 = -1 + 7

6 = 6

y = 8x - 10

6 = 8(2) -10

6 = 16 - 10

6 = 6

Related Questions

i need help and i need the work shown.

Answers

Answer:

step by step below

Step-by-step explanation:

p+7≤16

p +7 - 7≤ 16 - 7

p ≤ 9

7p>-28

7P/7 > - 28/7

p> -4

or

-4 < p ≤ 9

Evaluate 6x - 4y when x = 5, y = 2

Answers

Answer:

22 i think :-) but I'm not sure because it was really easy so I'm not sure if understood this right

Step-by-step explanation:

6.x=

6.5=30

4.y=

4.2=8

6.5=30 4.2=8

30-8=22

Which expression is undefined?

Answers

Answer:

the answer is C

Step-by-step explanation:

you can never divide by 0

Answer:

c

Step-by-step explanation:

Parallelogram PQRS has diagonals PR and SQ that intersect at T. Given SP=2a+5, RQ=5a−1, ST=3b−3, and SQ=7b−9, what are the values of RQ and TQ?

Answers

Answer:

RQ=2 TQ=6

Step-by-step explanation:

Answer:

RQ = 9 , TQ = 6

Step-by-step explanation:

5x-3 =2x+15
Someone pls help for geometry

Answers

Answer:

x = 6

Step-by-step explanation:

5x-3 = 2x+15

i) move 2x to the left-hand side and change its sign

5x-2x-3 = 15

ii) move -3 to the right-hand side and change its sign

5x-2x = 15+3

iii) collect like terms

3x = 15+3

iv) add the numbers

3x = 18

v) divide both sides of the equation by 3

[tex] \frac{3x}{3} = \frac{18}{ 3} [/tex]

[tex]x = 6[/tex]

4 months to 8 years in ratio

Answers

Answer:

4:96

Step-by-step explanation:

It has to be the same kind of thing so...

1 year is 12 months

8 * 12 = 96

Answer:

4 months : 8 years

reduced...

1 month : 2 years

Step-by-step explanation:

What is 2/3 X 3/8 =?

Answers

Step-by-step explanation:

(2/3) * (3/8)

= (2 * 3) / (3 * 8)

= 6 / 24

= 1/4.

Answer:

see explanation

Step-by-step explanation:

2/3×3/8

=2/8(3 & 3 is canceled)

=1/4 (2×4=8)

shortcut rule.

hope This will help you..

Which operation should you do first when you simplify the expression below?

(15+4)x3

Answers

Answer:

I would assume you would use PEMDAS? thats what I would use

Answer:

Solve the parenthesis

Step-by-step explanation:

In the order of operations (PEMDAS), you would solve what's in the parenthesis first. So you would add 5 and 4, then multiply that by 3 to get the correct answer. Hope that helps!

What is the LCM of 2 and 8

Answers

Answer:

its 8

Step-by-step explanation:

Answer:

nmbjhsnn,dnn,nmmmmmmmdndmnnmdnmdndmdndm smh

Step-by-step explanation:

x + 7 < 15
I need to know what this answer is and quick

Answers

Answer:

x<8

Step-by-step explanation:

x+7<15

x<15-7

x<8

[tex]hope \: it \: helps[/tex]

I'm also struggling this problem too​

Answers

Answer:

21 6

7 2

14 4

Step-by-step explanation:

not sure |•-•|

It would be 7=2 because 21/5=3.5 and 7/x=3.5 would be 2
14=4 because x/4=3.5 is 14

Hope this helps

Have a great day/night

Please answer 5 x (1/25)

Answers

Answer:

5/25 or simplified 1/5

Step-by-step explanation:

Answer:0.2

Step-by-step explanation:

Pls help I need this soon

Answers

OPTION C (I'm not super sure though)

(4x^2y)^2 · 2(7(3))^4

Answers

I hope this helps .

What percentage of a day is 4 hours?​

Answers

Answer:

1/6%

Step-by-step explanation:

i belive thats the answer hope it helps

Express in the form n : 1
9:3​

Answers

Answer:

n =3

hope it helps

Answer:

3:1

Step-by-step explanation:

cut by 3

..............

What is the LEAST common denominator for 6 and 8

Answers

Answer:

3  4 if u wanna go father 1.5   2

Step-by-step explanation:

Answer:

24 is the lcd for 6 and 8..

A tree casts a 249 centimeter shadow. A person next to the tree casts a 91 centimete
shadow. If the person is 169 centimeters tall, how tall is the tree to the nearest
centimeter?

Answers

462.4
462 cm

169x249 divided by 91

Write the equation of the line passing through the points (-7,4) and (7,2).​

Answers

Answer:

y = -1/7x + 1

Step-by-step explanation:

This could be wrong. But I'm pretty sure

plz help timed MATHHHH 12 pointes

Answers

Answer:

Ok what you need help with. Were u going to post a picture?

Step-by-step explanation:

I'll help you.

please help asap I’m going to fail if I don’t ace this and brainly doesn’t have this question if anyone knows how to do this I will cashapp you

Answers

Answer:

C

Step-by-step explanation:

a translation over the x-axis keeps the same x value but flips the y value (makes it the opposite.)

so here, C starts at point (1,-2). when reflected over the x-axis this becomes (1,2)

a translation to the left subtracts from the x value

the coordinate changes from (1,2) to (-2,2) because 3 is subtracted from 1

The answer is c!!! Can I have money

Which of the following best describes the slope of the line below?

Answers

The slope has the run and raise of -2/-2 which it a negative slope

HELP PLS ill mark u brainliest

Answers

Answer:

11

Step-by-step explanation:

Since angle 11 is next to angle 12, and they should add up to 180 degrees, which makes them supplementary angles.

Answer:

The person above me is right

yall please help me with this math question :/​

Answers

3 chocolates bc it’s going up by 3 each time it escalates

19 = 4x + 3 *
Plz, help me with this!

Answers

Answer:

x=4

Step-by-step explanation:

19 = 4x+3

Subtract 3 from each side

19 -3 =4x+3-3

16 = 4x

Divide each side by 4

16/4 = 4x/4

4 =x

Answer:

x=4

Step-by-step explanation:

19= 4x+3

19-3= 4x

16= 4x

x= 16/4= 4

x= 4

hope it helps! please mark me brainliest

thank you!! have a good day ahead

Please help with all thank you!!! Brainliest will be given!!

Answers

Answer:

1) Strong correlation

2) no correlation

3a) 2008       3b) 47       3c) The authors are trying to communicate the number of male teachers in different school years

4b) inches of rain (r) = (around) 0.6

Step-by-step explanation:

can someone help me asap please

Answers

Answer:

Here you go. It is really easy. All you have to do is translate the points. If it says translate 3 units up, you'd pick a point, and move it up 3 units. Then do it with all the others and BOOM! You did it! Try one of the problems yourself to make sure you understand what to do next time.

Have a nice day!

Can i have some help please

Answers

Answer:

bababooey

Step-by-step explanation:

PLEASE HELP ME THIS IS MY FINAL !!!!
Two taxi services charge different rates. Taxi A charges $0.40 per mile
traveled plus an initial charge of $2.00. Taxi B charges $0.50 per mile
traveled. The situation is modeled by this system, where xis the number of
miles traveled and y is the charge for that distance, in cents:
y= 40x+ 200
y= 50x
How many miles must each taxi travel for the charges to be equal, and what
is the charge for that distance?

Answers

Answer:

it would take 20 miles and cost 10 dollars.

Step-by-step explanation: Like up the equations so that 50x=40x+200. When you solve for x (number of miles) you find that x=20. Use 20 in either equation (0.5x or 0.4x+2) to get 10 (total cost).

PLEASE HELP IN ATTACHED IMAGE

Answers

Answer:

C.

Step-by-step explanation:

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