solve the system of equations
4x - 3y = 8 and 2x + 5y = -9
I need a math genius’ help on this pls :)

Answers

Answer 1

Answer:

4x-3y=8

Simplifies to x=3/4y+2

2x+5y=-9

Simplifies to -5/2y+-9/2


Related Questions

X, Y and Z are three points on a map. Y is 75km and on a bearing of 200° from X. Z is on a bearing of 150°, from Y. Z is due south of X. Calculate the distance between X and Z rounded to 1 DP.

Answers

Answer:

The distance between X and Z is approximately 114.9 km

Step-by-step explanation:

The given parameters are;

The distance of Y from X = 75 km

The bearing of Y from X = 200°

The bearing of Z from Y = 150°

The bearing of Z from X = 180°

In triangle XYZ, we have;

∠YZX = 180° - (130° + 20°) = 30°

By sine rule, we have;

(75 km)/sin(30°) = XZ/(sin(130°))

XZ = sin(130°) × (75 km)/sin(30°) ≈ 114.9 km

The distance between X and Z ≈ 114.9 km. to one decimal place.

For a second of sauce 1 and sauce 2 Andrew plans to use 3,180 green peppers and 5,560 hot chili peppers

Answers

Answer: Um ok? What are the measurements of the original batches...

Step-by-step explanation:

Madison has only dimes in her pocket . Which amount of money could she have ?

A.) 46 cents

B.) 67 cents

C.) 50 cents

D.) 28 cents

Answers

Answer:

c

Step-by-step explanation:

Letter “ C “ is the answer

Please help! I don't get it cause the person that was teaching it had horrible handwriting ;-;

Answers

Answer: power of a power

Step-by-step explanation:

in the expression (x^4)^9, 4 and 9 are powers. 9 is the power of x^4, so you have to multiply 4 by 9 to get x^36. this means it's a power of a power

Dr. Montgomery recently graduated from medical school and his wife bought him an engraved stethoscope. The stethoscope cost $160.00. The sales tax in his city is 8%. What is the total cost of the stethoscope in dollars and cents including sales tax?

Answers

Answer:

172.8

Step-by-step explanation:

Answer:

172.8

Step-by-step explanation: Dont Trust Me But Its Right B)

i need help
with this

Answers

Answer:

Step-by-step explanation:

x=√3, y= 3

A rectangular prism has a length of 10in, a height of 15in, and a width of 8in. What is its volume, in cubic in?

Answers

Answer:

1200 inc^3

Length x width x height

10 x 8 x 15= 1200

Find the inverse of function f.
$() = 9x + 7
OA /--) = 7x + 9
OB. 1 (1) = = -1
Oc. 7-1() = -98
OD. () = gr - 1
7

Answers

Answer:

C) f-1(x) = -9x - 7 the inverse of multiplication is division

A school has 320 girls and 250 boys the probability of a girl being left handed is 0.2 the probability of a boy being left handed is 0.1 estimate the amount of left handed people there are in the school

Answers

320 girls & 250 boys

0.2 probability     0.1 probability

320 x 0.2 = 64

250 x 0.1 = 25

64 + 25 = 89

There are approximately 89 students in the school that are left-handed.

Answer

89% of the people are left handed

Step-by-Step Explanation

To find this you have to first do 320 x 0.2

320 x 0.2= 64

To find it for boys you have to do 250 x 0.1.

250 x 0.1= 25

SO, the answer is 89%. 64% of girls and 25% of boys

Hope i helped :D

I need help in geometry urgently!!!

Answers

Answer:

x = 6

Step-by-step explanation:

According to Exterior Angle Property of a triangle , measure of an exterior angle is the sum of its opposite interior angles.

Using the exterior angle property ,

[tex]17x - 23 = 3x + 17 + 8x - 4[/tex]

[tex] = > 17x - 23 = 11x + 13[/tex]

[tex] = > 17x - 13x = 23 + 13[/tex]

[tex] = > 6x = 36[/tex]

[tex] = > x = \frac{36}{6} = 6[/tex]

x2=120
solve for the exact variable answer

Answers

Answer:

60 ?

Step-by-step explanation:

60×2 = 120. .

when you have a x right behind a number that means multiply

?? anyone know thank you

Answers

Answer:

19/20 is the correct answer

Answer:

19/20 quart

Step-by-step explanation:

the denominator should be the same so find some thing that is common to 4 and 5 so 20 and find what 4 in to 20 go 5 times so multiply 5×3=15 and 4×1=4 so add them together 15+4 = 19 so put 19 and 20 together equal 19/20

19. What percent of offspring will be blue eyed?

0%
25%
50%
100%

Answers

It is 0% Bc it’s not capital

Answer:

25%

Step-by-step explanation:

Write the percent as a decimal.
47.63%.

Answers

0.4763 is the answer I got

Answer:

.4763

Step-by-step explanation:

A percent can be made into a decimal by moving the decimal two places to the left.

What is the x-coordinate of the point that divides the directed line segment from J to K into a ratio of 2:5? m 4 m ][xz – xı) + x, -4 -2 2 4 ​

Answers

Answer:

2

Step-by-step explanation:

im sure its 2 i hope this helps

Find 20% 0f 80.

using double number line

Answers

Answer:

100%     -     80

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

20%      -      x

[tex]100x=80*20\\100x=1600\\x=\frac{1600}{100}\\x=16[/tex]

52,428 divided by 34

Answers

1542..................

Answer:

1542

Step-by-step explanation:

Find the slope of the graph below* Help me out ty

Answers

Answer:

-1

Step-by-step explanation:

When the line is slanting down it means its negative.

The answer is M = -1

Sonya had 20 dollars to spend on 3 gifts. She spent 8 1 4 dollars on gift A and 4 4 5 dollars on gift B. How much money did she have left for gift C?

Answers

Answer:

6 19/20 dollars

Step-by-step explanation:

Sonya had 20 dollars to spend on 3 gifts.

She spent 8 1 4 dollars on gift A and 4 4 5 dollars on gift B.

Gift A + Gift B + Gift C = $20

Gift C = $20 - (Gift A + Gift B)

Gift A = $8 1/4

Gift B = $4 4/5

Hence:

The amount she had left for gift C is :

Gift C = $20 - ($8 1/4 + $ 4 4/5)

Gift C = $20 - $13 1/20

Gift C = $ 6 19/20

Which polynomial represents the algebra tile configuration shown?

x2 + 3x + 4
x2 + 3x −
−x2 − 7
−x2 + 3x − 4

Answers

Answer: I’m pretty sure the answer is D. −x^2 + 3x − 4

Step-by-step explanation:

Answer:-x^2 + 3x - 4

Step-by-step explanation:

Solve the inequality and enter your solution as an inequality comparing a variable to a number x+9>13

Answers

Answer:

x>4

Step-by-step explanation:

Step 1: Subtract 9 from both sides.

x+9−9>13−9

x>4

Someone plz help T^T

Answers

Answer:

No

Step-by-step explanation:

parallel means they do not touch.

PQR with P(3, 6), 2-6, 6), R(0, 9); (x, y) = (x-3, y + 7)
оа
Ob
P'(0, 13), O'(-9, 13), R'(-3, 16)
P'(10,3), Q'(1,3), R' (7, 6)
P'(3, 7), e'(-6, 7), R' (0,7)
P'(-3, 13), e' (3, 13), R'(-3, 16)

Answers

Answer:

We have the answer as:

P'(0, 13), O'(-9, 13), R'(-3, 16)

Step-by-step explanation:

Here, we want to find the coordinates of the image after applying the transformation rule to the pre-image

what the transformation rule is saying is that we subtract 3 from the x-coordinate and add 7 to the y-coordinate

mathematically, we have these as follows;

P’ = (3-3, 6 + 7) = (0,13)

Q’ = (-6-3, 6 + 7) = (-9,13)

R’ ( 0-3, 9 + 7) = (-3, 16)

Justin set his watch 19 seconds behind, and it falls behind another 1 second every day. How
many days has it been since Justin last set his watch if the watch is 50 seconds behind?

Answers

Answer:

31 days

Step-by-step explanation:

Hope this helps!

Brainiest?

Answer:

31 days

Step-by-step explanation:

you have a set number already 19 if every day the watch goes back 1 day 31+19=50

What is the range of the cluster in the scatter plot?

A: Between 4 and 8 years of experience
B: Between 6 and 12 years of experience
C: Between $10,000 and $60,000
D: Between $40,000 and $60,000

Answers

Answer:

b

Step-by-step explanation:

answer :


b


hope this helped

7 lbs of dog food cost $6.30. What is the unit price? 20 points-

Answers

Answer: 9 cents

Step-by-step explanation: 6.30 divided by 7 is 0.9

I want to know how to expand x(4 - 3.4y)

Answers

X(4-3.4y)
= 4x - 3.4xy

Answer:

X(4-3.4y)

= 4x - 3.4xy

Step-by-step explanation:

How many miles can a car travel on 15 gallons of gas if it travels 28 miles on 1 gallon of gas?
A. 43 miles
B. 270 miles
C. 405 miles
D. 420 miles

Answers

The correct answer is 420 miles which is D.

use, or to compare the following numbers. -2 or 12 <>

Answers

Answer:

-2 < 12

Step-by-step explanation:

12 is bigger than -2.

need a quick answer please

Answers

Answer:

x=7

Step-by-step explanation:

(12x+1))+(5x-3)=117

conbine like terms

17x-2=117

     +2 +2

17x=119

/17    /17

x=7