Mathematics High School

8x-3y=3
2x+y=-15

solve by eliminaion.

Answers

Answer 1
8x - 3y = 3 -> y = 8/3x - 1
2x + y = -15 -> y = 2x - 15

Related Questions

Pls help me ASAP PLS PLS PLS PLS

Answers

Answer:

[tex]g^{-1}[/tex] (x) = 8x + 48

Step-by-step explanation:

let y = g(x) and rearrange making x the subject, that is

y = [tex]\frac{x}{8}[/tex] - 6 ( add 6 to both sides )

y + 6 = [tex]\frac{x}{8}[/tex] ( multiply both sides by 8 )

8(y + 6) = x , distribute

8y + 48 = x

Change y back into terms of x with x = [tex]g^{-1}[/tex] (x) , thus

[tex]g^{-1}[/tex] (x) = 8x + 48

HELP ASAP! WILL MARK AS BRAINLIEST! ✨pls helpp​

Answers

Answer:

its either b or c but I'm pretty sure its b

Step-by-step explanation:

Good luck

Will mark be marked bralest if right

Answers

Answer:

b

Step-by-step explanation:

jack bought an external hard drive with 1Tb

Answers

What’s the question?

Help Quick! This is a fraction problem by the way.

Multiply.

1 2/3 x 6

Answers

Answer:

10

Step-by-step explanation:

Answer:

the answer is 24

Step-by-step explanation: first you simplify 12/3 which is 4/1 and then you multiply 4 by 6 which is equaled to 24.

The segments shown below could form a triangle.
A.True
B.False

Answers

Answer:

YES

Step-by-step explanation:

Which sum or difference is equivalent to the following expression?

Fraction: 5 minus 3 x over 5
A. 1 + three-fifths
B. 1 + start fraction 3 x over 5 end fraction
C. 1 – start fraction 3 x over 5 end fraction
D. 25 – 15x

Answers

Answer:

Which sum or difference is equivalent to the following expression?

5 minus 3 x over 5

A. 1 + three-fifths

B. 1 + 3 x over 5

C. 1 – 3 x over 5 *My answer

D. 25 – 15x

I took the test and I got it right

Which value of x makes the equation 1.25(4x+2)=32.5

Answers

Answer: x=6

Step-by-step explanation:

Supply and demand coordinate to determine prices by working

together.
competitively.
with other factors.
separately.

Answers

Answer:

Together

Step-by-step explanation:

i took the test

Supply and demand coordinate to determine prices by working together.

What is supply and demand?

Supply and demand work hand in hand when determining prices of goods and service in the market.

According to the law of demand the higher the price of goods in the market the lower the demand for those goods while the law of supply states that the higher the price the higher the supply.

In the market the supply and demand plays an important roles as it enables consumer to determine the actual prices  and quantity of goods in the market.

Inconclusion supply and demand coordinate to determine prices by working together.

Learn more about supply and demand here:https://brainly.com/question/18146629

What is 15/8 - 1 subtracting fractions

Answers

Answer:

I believe that it is .875 or 7/8 but im not sure

Step-by-step explanation:

What letter would this be?

Answers

Answer:

A

Step-by-step explanation:

The cost of a gallon of gas
changed from $2.15 to $2.68.

Answers

Answer:

whats the question or answer you're looking for?

Step-by-step explanation:

(
39) 10-
B-9) 10-
-- 10

Answers

Answer:

−10B+3800

Step-by-step explanation:

What is an equivalent expression to 9(c+5)=

Answers

Answer:

9 times 5 + c

Step-by-step explanation:

9(m - 3) + 3m = 7m + 43​

Answers

Answer:

m=14

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

Answer:

M=14

Step-by-step explanation:

So distribute first

9m-27+3m=7m+43

Combine like Terms

12m-27=7m+43

Subtract 7m on both Sides

5m-27=43

Add 27 on both sides

5m=70

Iso,ate variable by dividing 5 on both sides

m=14

8c - 6c + 14 = 12 what is c

Answers

Answer:

c= -1

Step-by-step explanation:

combine like terms

2c+14=12

subtract 14 from both sides

2c= -2

divide 2 on both sides

c= -1

HOPE THIS HELPS!!

a=4, b=2,c=-1 find value of a-b+c

Answers

Answer:

1

Step-by-step explanation:

Substitute the value of the variable into the expression and simplify.

4-2-1=1

Answer:

1

Step-by-step explanation:

a-b+c

=4-2+(-1)

=2-1

=1

Simplify Using Distributive Property
-6(2a + 8)

Answers

Answer:

-12a - 48

Step-by-step explanation:

you do -6 times 2a which is -12a then you do -6 times 8 which gives you -48 so you put -12a - 48

since the 48 is a negative we would just put a minus sign instead a plus. If it was a positive 48 we would put a plus sign buts its not so we put a negative.

[tex]\huge\boxed{\mathcal{HELLO!}}[/tex]

The distributive property states that

a(b+c)=ab+ac (we multiply a by everything inside the parentheses)

-6(2a+8)

-12a-48

[tex]\huge\boxed{Answer:-12a-48}[/tex]

Hope it helps!

[tex]\bold{Enjoy~your~day!}[/tex]

The question is in the picture.

Answers

Pretty sure it’s the one on the top left corner

Answer:

it's the bottom left one

I hope this helps

So it says change the following fractions and mixed numbers to decimal numbers
2 1/6
Help explain or like do the work cuz this due tomorrow plzzz

Answers

Answer:

2.16666666667 or rounded to 2.17

Step-by-step explanation:

first you have to change the mixed number to an improper fraction which would be 13/6 and then divide the numerator by the denominator

Find the missing number so that the equation has no solutions.
X - 18
= 2x – 13

Answers

Answer:

X=-5

Step-by-step explanation:

Answer:

Step-by-step explanation: x-5 i think

I am having a lot of struggles please help

Answers

Answer: x = 23

∠DBC = 23°

∠ABC = 157°

Step-by-step explanation: A straight line is 180°, which means that ∠DBC and ∠ABC must equal 180°.

180 - 19 = 161

23 × 6 = 138

138 + 23 = 161

If x = 23°, then ∠DBC is 23°.

For ∠ABC, (6(x) + 19°

6(23) + 19°

6 × 23 = 138

138 + 19 = 157

∠ABC = 157°

HELP ME PLZZ I NEED HELP WITH THIS

Answers

i would chose A. bc make it 30 +70 which is 100-12

3(y - 10) + 1 = x(y - 8)
please help asap

Answers

Answer: x=3y-29 and y=-8

Step-by-step explanation:

Tisha is training for a marathon. In February, she ran LIX miles for her training. In January, she was only able to run XV miles. How many more miles did she run in February than in January?


A. 44
B. 34
C. 31
D. 29

Answers

Answer:

a

Step-by-step explanation:

smart

which of the following is equivalent to 2/3 divided by 5/6 ?

Answers

Answer:

.8  or 8/10 or 4/5

Step-by-step explanation:

Given the point and its image, determine the scale factor.
B(2,5) B'(1,2.5)
1/3
1/2
2
0 1

Answers

Answer:

it would be 2

Step-by-step explanation:

How many times does 9 go in to 8

Answers

Answer:

0.89

Step-by-step explanation:

If e^5x = k, where k is any positive number, then what is the value of x?
A. lnk/ln5
B. ln(k/5)
C.1/5*ln k
D. 5 * 1/ln k

Answers

[tex]e^{5x}=k\implies\ln(e^{5x})=\ln(k)\implies\boxed{x=\ln(k)/5}[/tex]

Hope this helps.

∆JKL=∆QRS
what is m<Q?
enter you answer In the box
​

Answers

Answer:

38 degrees

Step-by-step explanation:

The two triangles are congruent, so do the following

1. Add 37 and 105 together

2. 37 + 105 = 142, subtract this from 180

3. This would amount to 38. So yeah.

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