Solve each system using substitution or elimination. Show all required work. -3x^2-30x-y=76 -2x^2-20x+y=44

Answers

Answer 1
Explanation. 56 -2x
answer 56 - 2x

Related Questions

Jada traveled 135 miles in 3 hours. Andre traveled 228 miles in 6 hours. Both Jada and Andre traveled at a constant speed. A) How far did Jada travel in 1 hour?

Answers

Given:

Jada traveled 135 miles in 3 hours.

Andre traveled 228 miles in 6 hours. Both Jada and Andre traveled at a constant speed.

To find:

How far did Jada travel in 1 hour?

Solution:

We have,

Distance traveled by Jada in 3 hours = 135 miles

Then,

Distance traveled by Jada in 1 hour = [tex]\dfrac{135}{3}[/tex] miles

                                                           = 45 miles

Therefore, Jada travel 45 miles in 1 hour.

Jimmy took out a loan for $5,600 to pay for a home repair the bank offered an interest rate of 4.75 % how much interest would she pay after three years???

Answers

Answer:

$698

Step-by-step explanation:

Given that :

Principal = $5600

Rate = 4.75%

Time = 3 years

Simple interest = principal * rate * time

Simple interest = $5600 * 0.0475 * 3

simple interest = $798

What 9x696566729748736363663636275756?

Answers

Answer: a big number

Step-by-step explanation:

why do you even need to know the answer?? lol

A batch has 15000 coloured bulbs. 3/5 of the batch are orange in colour & the rest are green . if 1/8 th of the green bulbs are not working , how many green bulbs are functional?

Answers

Answer:

5250 bulbs are functional green bulbs

Step-by-step explanation:

find out how much 1/5 of 15000 is

15000/5=3000

find out how many are orange

3/5=1/5+1/5+1/5         3000*3=9000

of the 15000 bulbs 9000 are orange the rest are green find the amount that is left over

15000-9000=6000 bulbs are green

find out what 1/8 of the green bulbs is

6000/8=750

1/8 or 750 green bulbs are not working

find out how many bulbs are functional

6000-750=5250 bulbs are functional green bulbs

Determine the intercepts of the line.
y = 4x + 7
X-intercept:
y-intercept:

Answers

Answer:

Y intercept: (0,7)

X intercept: (-7/4, 0)

Step-by-step explanation:

Step-by-step explanation:

finding y intercept:(x=0)

y=4x +7

=4(0)+7

y=7

finding x intercept:(y=0)

y=4x+7

0=4x+7

-7=4x

x=-7÷4

3x-y=7 in slope intercept form

Answers

Answer:

y = 3x - 7

General Formulas and Concepts:

Pre-Algebra

Equality Properties

Algebra I

Standard Form: Ax + By = C

Slope-Intercept Form: y = mx + b

m - slope b - y-intercept

Step-by-step explanation:

Step 1: Define

Standard Form:   3x - y = 7

Step 2: Rewrite

Find slope-intercept form

Subtract 3x on both sides:                    -y = 7 - 3xDivide -1 on both sides:                         y = 3x - 7

Answer:

y = 3x + 7

Step-by-step explanation:

subtract 3x from both sides

multiply both sides by (-1) to get positive numbers

can someone assist me in this question right here?
Brian drew oblique segment AB on a coordinate grid and translated it 4 units left from A' B' which statements is true?

Answers

Answer:

b

Step-by-step explanation:

did it in class

Anna bought 6 bags of candy for a total of 19.68. Write an equation and solve to figure out how much each bag cost.

Answers

ummmmmmymumymtmjehrhhrhrhehherhrh

Answer:

The answer is $3.31.

Step-by-step explanation: Just divide 6 by 19.68

please help me I will fail if not answere ​

Answers

Answer: B. 24 ft

Step by step explanation: I know that the cabbage's percent is 15%, so then you have to take 15% of 160 and that is 24 :D

Hope this helps!

Pls help will give brainilist

Answers

Since the formula is bh/2 . Then 12•5=60 then 60/2=30 . Which is choice B

At his most recent medical checkup, a boy was 36 inches tall. Currently, he is 25% taller. How tall is the boy now?

Answers

25% of 36 = 9

36+9 = 45 inches

Hope this helps

Evaluate -8 x |2|.
A.-16
B.-10
C.16
D.10

Answers

Step-by-step explanation:

|| represents the absolute value function:

|x| = x when x >= 0,

|x| = -x when x < 0.

Therefore (-8) * |2| = (-8) * 2 = -16. (A)

Answer:

Step-by-step explanation:

In step 1: mode will be solved so |2| will be absolute positive value of 2  which is 2

Step 2: multiply by -8  which is -16

So Answer is (A) -16

the cost for a bakery to make a dozen muffins is 2.52. the sale price of an individual muffin is 2.99. for one day, the bakery will donate 1/2 of the profits from muffin sales to charity. what is the bakeries donation, in dollars, if 88 muffins are sold that day

Answers

Answer:

I'm pretty sure it would be $131.56

Step-by-step explanation:

I think it will be $131.56 because if you take an multiply the 2.99 times  88 the number of muffins that were sold that day, then you would get $263.12. If you donated 1/2 of the profits made, then you would take 263.12 and divide it by 2 because half of it would be divided by 2. So therefore you would get $131.56! Hope this helps!

Correct me if I'm wrong!

PLEASE ANSWER!!!!!!!!!!! SIMPLE MATH PROBLEM PLEASE

Answers

Answer:

False

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Algebra I

Equality PropertiesSolving systems of equations using substitution/elimination

Step-by-step explanation:

Step 1: Define Systems

y = 3x - 3

y = -4x + 4

Step 2: Solve for x

Substitution

Substitute in y:                    3x - 3 = -4x + 4Isolate x terms:                    7x - 3 = 4Isolate x term:                     7x = 7Isolate x:                              x = 1

Here we see that our x-value would equal 1.

∴ (-3, 0) is NOT a solution to the systems.

what is the answer ​

Answers

Answer:

A

Step-by-step explanation:

what is the answer to the question?​

Answers

Answer:

What is the sum of the exterior angles in a regular 15-gon?

The sum of the exterior angles in any convex polygon, including a regular 15-gon, is 360∘.

Step-by-step explanation:

thank me later

mark me as brainliest please

Answer:

5 exterior angles.

Step-by-step explanation: since they all have to add to 360 you can divide 360/5 = 72. You can also check by adding one interior angle plus 72 and checking if you get 180.

im too tired for this please help me.

Answers

Answer:

-3

-2

-6

-4

-5

-1

Step-by-step explanation:

If a recipe calls for 12 oz. of chocolate chips for 2 batches, how many ounces of chocolate chips would you need for 1/2 a batch?

Answers

Answer:

3 oz.

Step-by-step explanation:

how many 1/2 are there in 2?

there are 4.

this means we divide 12 (oz. of choc chips) and 4

when we divide them, we get 3oz.

thats why you need 3oz. chocolate chips for 1/2 of a batch

hope this helps!

Malcolm's boss is mad at him because he puts 4 meatballs in every
sandwich instead of 2. How many extra meatballs does Malcolm put in each
sandwich?
A. Multiply 4 by 2
B. Add 4 to 2
C. Divide 4 by 2
D. Subtract 2 from 4

Answers

Answer:

D. Subtract 2 from 4

Step-by-step explanation:

A. Multiply 4 by 2 & you get your answer

PLEASE HELP ASSP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

D

Step-by-step explanation:

Answer:

D. 6 cm

Step-by-step explanation:

since the scale factor from KLMNP to QRSTU is 2/3, just multiply LM by 2/3

therefore, your answer is 6 cm

hope this helps!!

9. APQR = MNR. Find x.
35
10
R
M
P.
350
N

Answers

Answer:

Sorry but i don't understand the question :(

Consider the system of inequalities.
3x + 2y < 8
-5x - 9y > -2
Select all ordered pairs that are solutions to the system of inequalities.
(-10, -3)
a)
b)
(-1, 5)
(0, 0)
d)
(1, -1)

Answers

Answer:

 b)

The point is (-1,5) and (0,0) also satisfies the given inequalities

The solution of the given inequalities

(x, y) = (4 , -2 )

Step-by-step explanation:

Step(i):-

Given system of equations are

3x + 2y < 8

-5x - 9y > -2

The solution of the given equations are

3x + 2y = 8   multiply '5'

-5x - 9y = -2 multiply '3'

       15 x + 10 y = 40  ...(i)

       -15x - 27 y = -6.....(ii)

Adding (i) and (ii) , we get

          - 17 y = 34

                y = -2

Substitute y = -2 in equation 3x + 2y =8

          3x - 4 =8

             3x = 12

               x =4

The solution of the given system of inequalities

(x, y) = (4 , -2 )

Step(ii):-

                   3x + 2y < 8

                  -5x - 9y > -2

The point is (-1,5)

                 -3 + 10 < 8

                    7 < 8

                5 - 45 > -2

                   -40 > -2

The point (0,0) also satisfies the given inequalities

Final answer :-

The point is (-1,5) and (0,0) also satisfies the given inequalities

can someone pls help with this asap

Answers

Answer:

The answer is C

Step-by-step explanation:

Answer:

yes

Step-by-step explanation:

both pair of opposite sides are parallelogram, which is the definition of a parallelogram

if i have 10% off the regular price of 3.30 what is the slae price

Answers

Answer:

0.33

Step-by-step explanation:

Factor 10x2
+ 11x + 3

Answers

Answer:

e

Step-by-step explanation:

eeeeeeeeeeee1

x + y = -3
y= 2

Solve

Answers

Answer:

x=-5

Step-by-step explanation:

x+2=-3

x+2-2=-3-2

x=-5

im in algebra two so you can trust my answer. happy holidays and stay safe!

substitute 2 for y in x+y=-3
x+y=-3
x+2=-3
x+2+-2=-3+-2 (add -2 to both sides)
Answer:
x=-5

Can you please help me

Answers

Answer:

Fourth choice, 19/30

Step-by-step explanation:

Add 38 and 22 together, it's 60

Out of 60 times, he flipped heads 38 times, so it's 38/60

Simplify 38/60 with 2, 19/30

Question
Sylvia has $14,000 dollars in her bank account. However, she recently lost her job and
is not making money. She has to pay $7,000 per month in bills and expenses. When
will her account reach zero? Fill in the table to find the solution.
x f(x) = 14,000 - 7,000x
0
14,000
1
2.
Sylvia will run out of money in
months.

Answers

Answer:

i think two months im not sure tho

Step-by-step explanation:

What is the probability of getting exactly 2 heads when flipping three fair coins?

Answers

Answer:

t0he answer to this question is 1/4

Step-by-step explanation:

This is called a binomial distribution, and the sizes of the events "got k heads out of n coin flips" are called binomial coefficients. Consider all the possible ways to get two heads, HHT,HTHandTHH. There are 2⋅2⋅2=8 possible combinations in total. Therefore, the answer is 3/8.

Given the midsegments, solve for x

Answers

Answer: 19 squared

he Step-by-step explanation: Because you have to add them then just multiply. Dont listen to my answer-

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