Mathematics High School

Solve the system using substitution.
6x+8y=30 y=1/2x

Answers

Answer 1

Answer:

(3, 1.5)

Step-by-step explanation:

Given the system:

6x + 8y = 30 y=1/2x

Substitute y and solve for x:

6x + 8y = 306x + 8(1/2x) = 306x + 4x = 3010x = 30x = 3

Find y:

y = 1/2xy = 1/2(3)y = 1.5

Solution is (3, 1.5)

Related Questions

Can someone help me with this please???...

Answers

Answer:

2×2×2×2× 5

Step-by-step explanation:

use the tree method it helps

Answer:

hey mate this is your answer..

All of the following could be rewritten as an addition problem of two integers with the same sign except _____.

-9 - (-12)
-9 - 12
-12 - 9
12 - (-9)

Answers

Answer:

Answer is - 9 + 12 because they have different signs in front of each integer. (if that is what the question means)

Step-by-step explanation:

Negative sign x negative sign = positive sign

-9 - (-12) = -9 + 12

-9 - 12

-12 - 9 = -9 - 12

12 - (-9) = 12 + 9 = 9 + 12

Harry and John share £60 in the ratio of 2: 1 work out how much money Harry gets ​

Answers

Answer:

40

Step-by-step explanation:

3u-> 60

1u-> 20

2u->40

Plsssssssssss helppppppp

Answers

Answer:

C. theres a 50% chance

Step-by-step explanation:

Bb, Bb, bb & bb

hope this helps <3

Answer:

Hi! Hopefully I can help you. I think that its 75% likey to get a kid with brown eyes.

Step-by-step explanation:

Hopefully this picture provides a nice explanation. I'm so sorry, punnet squares are so hard.

HURRRYYYYYYY HE KEEPS ASKING FOR THE ANSWER IF I DONT TURN IT IN IM GETTING A REFERAL

Julie has put a map of the United States on a coordinate grid. Phoenix is at approximately (−2.4, −4.2) and Atlanta is at approximately (2.9, −4.2).


If each unit on the grid represents 300 miles, what is the approximate distance between Phoenix and Atlanta?








Explain how you could find the distance between a point and its reflection across the y-axis.

Answers

Answer:

I think it is 150 miles between  Phoenix and Atlanta

Step-by-step explanation:

(2.9,-4.2)-(2.4,-4.2)=(0.5,0)

0.5 is half of 1 and 150 is half of 0.5

Please help. Need to find the equation of the tangent at point P. Give your answer in the form y=ax+b where a and b are both fractions with denominator 24. ​

Answers

Answer:

y=7/24x+625/24

Step-by-step explanation:

-7x+24y=-25"2

-7x+24y=625

+7x            +7x

24y=7x+625

divide 24

y=7/24x+625/24

Got this for my mathswatch too

5. Triangle ADE is enlarged to form triangle

Answers

Answer: the scale factor would be 2

Step-by-step explanation:

If you add all lengths for triangle ABC you can see that triangle ADE x 2 will give you the lengths for ABC

What is 0.4 in fraction form?

Answers

Answer: 4/10

Step-by-step explanation:

4/10

Let's check

[tex]\\ \rm\rightarrowtail 0.4[/tex]

[tex]\\ \rm\rightarrowtail 4/10[/tex]

[tex]\\ \rm\rightarrowtail 2/5[/tex]

A diagram of a swimming pool is shown.
3.5 m
What is the approximate circumference of the swimming pool? Use 3.14 as an estimate for t.

Answers

Answer:

10.99

Step-by-step explanation:

Your pretty much just multiplying the number by 3.14, so 3.5*3.14=10.99. Hope this helps!

Answer:

Answer B 11m

Step-by-step explanation:

a + b + c) = (a + b) + C
propertie

Answers

Answer:

Commutative Property its is....

An airplane moves at a constant speed of 120 miles per hour for 3 hours. How far does it go?

Answers

Answer:

360 miles

Step-by-step explanation:

Step 1: 120 miles*3 hours

Step 2: 360 miles far.

Pass a brotha some help :(

Answers

Answer and Step-by-step explanation:

Distribute the 1p to the y and -6 and distribute the 2 to the 3y and 6.

10y - 50 + 6y + 12

Now, combine like terms.

16y - 38

#teamtrees #PAW (Plant and Water)

NEED ANSWER NOWWWW WILL REPORT FOR INCOMPLETE ANSWER WILL GIVE BRAINLIEST FOR RIGHT ANSWER

Answers

Answer:

On the right hand side it should be m(x-x1)

Y-4=-3(x-5)

Y=-3x+19

Step-by-step explanation:

Answer:

Idc and

Step-by-step explanation:

What is 7x + 10 = 7x + 10

Answers

Answer:

Infinite solitutions

Step-by-step explanation:

The expressions are the exact same, so there are infinite solutions.

Answer:

infinite solutions

Step-by-step explanation:

3 ( X + 6 ) = 24
What is X

Answers

X = 2 hope this helps :D
3 ( 2 + 6 ) = 24, so X is 2!

A triangle has an angle that measures 75°. The other two angles are in a ratio of 8:13. What are the measures of those two angles?

° and
°

Answers

Answer:

Step-by-step explanation:

40 and 65

4/10 + 1/2 please help-

Answers

Exact Form:

9 /10

Decimal Form:

0.9

Hope this helps :)

Answer:

4/10 + 1/2 would be 9/10 because 1/2 of 10 is 5 so 5/10 +4/10 would equal 9/10 hope that helps :)

Step-by-step explanation:

1 5/2 as a whole number

Answers

Answer:

3 1/2

Step-by-step explanation:

PLEASE HELP! GIVING POINTS :)!

Answers

Answer:

120

Step-by-step explanation:

180/0.60=300

300-180=120

The answer will be 72 bec if you divide 180 by 10 you will get 18 per 10% is going to be 18 so 60%/100%=40% and then 18 times 4 is 72

i need help :/

('_')​

Answers

Answer:

Z=20 Degrees

Step-by-step explanation:

We know that all of the angles of a triangle add up to 180, so:

65+55+ Angle A = 180

Simplify:

120+ Angle A = 180

Subtract 120 from both sides:

Angle A = 60

If you look at the bottom you can see that the 15 turns into 5, meaning it is being divided by 3, so:

60/3=20

Z=20 Degrees

Answer:

Angle E is 60 degrees

Step-by-step explanation:

So z is an angle.

That would be point E.

This triangle was dilatated so we can match it up with the larger one. In a dilation, angle measures do not change. So matching up the points E would be equal to A, which of course it the only one with an angle measure not given.  

All you have to do is add up the two angle measures and subtract that by 180 (total of all angles combined).

So 65+55=120

180-120=60

Angle A is 60

Which makes angle E 60 as well

Hope that helps!

Name all the sets of numbers to which each real number belongs. Check all that apply. 4/7

Answers

Answer:

What are you talking about .

Step-by-step explanation:

Can someone help ? I dont understand this

Answers

Answer:

4854

Step-by-step explanation:

2=434344=3

[46664792)

Answer:

31°

Step-by-step explanation:

The angle 59° will be equal to the angle c in triangle ABC.

Angle B will be 90°

Angle A + Angle B + Angle C = 180° (ASP)

Angle A + 90° + 59 ° = 180 °

Angle A = 180° - 90° - 59°

Angle A = 31°

Angle A = x

31° = x

The price of a watch was increased by 20% to £198
What was the price before the increase?

Answers

20/100*198 it is simple
198/1.2=165
Hope it helps

Question 6 of 17
The side lengths of a triangle are 9, 12, and 18. Is this a right triangle

Answers

The answer is A

AAAAAAAA

Answer:

A is the correct answer

Step-by-step explanation:

0.583
What is it in standard form

Answers

Answer:

It should be 583*10^-3

HELP ME JUST ANSWER PLZ IM SUFFERING I WILL GIVE YOU BRAINLYEST OR WHATEVER

Answers

Answer:

534.07in squared is what I got for the surface area

Step-by-step explanation:

Find the total surface area of this triangular prism.
30 cm
18 cm
7 cm
24 cm

Answers

Answer:

696 cm because

ANSWER ASAP GIVING BRAINLIEST FIVE STARS AND A HEART!
Two angles are complementary, can they also be supplementary? Explain.

Answers

Answer:

Yes

Step-by-step explanation:

They can because the sum of two Angles is 180, and if they are both 90, they add up to 180, making them congruent.  Hope this helps

Supplementary angles are two angles whose sum is 180 degrees while complementary angles are two angles whose sum is 90 degrees. 

Saying this you should probably infer that if 2 Angles are complementary, then they are 90°.

Meaning you would need 2 pairs of complementary angles to have a supplementary angle (180°).

solve the inverse for k
2(k-12)-5(k+2)<-9k+4k

Answers

Answer: K< 17
_____________

Pls help me, I'll give brainliest

Answers

Your answer is 2x^2y^4 (the third option)

First take and rewrite the equation
(8x^6y^12)^1/3
Use power to power rule by multiplying and you will get 2x^2y^4

Hope this helps
The answer is C. Please like :)
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