4
A system of equations is shown below.
5x + 2y = -15
2x - 2y = -6
What is the solution to the system of equations?
A
(-3,0)
B
(0, -3)
С
(-3,6)
D (6,-3)

Answers

Answer 1

Answer:

the answer for this question is

A(-3,0)


Related Questions

9x + 1x =

Need answer asap ​

Answers

The answer is 10x
You combine like terms which would be 9+1 add it which gives you 10 & just bring down your (x)

Which relations represent functions?

Answers

Answer:r

Step-by-step explanation:

The first one in the picture is correct

A line passes through the point (-8,7) and has a slope of 5/4 write equation in slope intercept form

Answers

Answer:

[tex]y=\frac{5}{4} x[/tex]+17

Step-by-step explanation:

Okay for this you take the point (-8+7) and plug it into the equation getting you this 7=[tex]\frac{5}{4}[/tex](-8)+b

If you multiple [tex]\frac{5}{4\\}[/tex] by -8 you get -10

You then add -10 to the other side to get 17

that means 17=b

meaning you get [tex]y=\frac{5}{4} x[/tex]+17 by plugging in 17 to b

Determine the domain and range of the line graphed

Answers

Answer:

Domain: (-∞, ∞)

Range: (-∞, ∞)

General Formulas and Concepts:

Algebra I

Reading a Cartesian planeDomain is the set of x-values that can be inputted into function f(x) Range is the set of y-values that are outputted by function f(x) Interval Notation - [Brackets] denote inclusion, (parenthesis) denote exclusion

Step-by-step explanation:

According to the graph, we see our x-values span from negative infinity to positive infinity:

Interval Notation - (-∞, ∞)

Inequality Notation - ∞ < x < ∞

According to the graph, we see our x-values span from negative infinity to positive infinity:

Interval Notation - (-∞, ∞) or all real numbers

Inequality Notation - -∞ < y < ∞

Make y the subject of the following equation.
5x + y = -10
a. y = -5x + 10
b. y=-10 - 5x
c. y = -10 + 5x
d. y + 10 = -5x​

Answers

Answer:

b

Step-by-step explanation:

if you subtract 5x then you will get y=-10-5x

The correct answer is B!

An aquarium tank is 3 feet long 1 foot wide and 2 feet high how many gallons of water would it take to fill the tank two thirds full a cubic foot is about 7.5 gallons

Answers

Answer: i believe it'll take 6 gallons to fill up the tank two thirds full

Step-by-step explanation: 3 x 1 x 2 = 6 gallons

Pls can anyone help il give more points plsss

Answers

Answer:

1. 25

2. 3 hours

3. from 10:00 am to 10:30 am because he went 10 miles in 30 minutes

Step-by-step explanation:

Can anyone help me with this? (I also need a reasoning)

Answers

Work:

Substitute the number to corresponding variable.


Sai: B = 2/3G

(4) = 2/3(6)

4 = 4 Correct


Tyani: G = 3/2B

(6) = 3/2(4)

6 = 6


Both are correct.

I need help with this is this complementary or supplementary or nither

Answers

Complementary. They add to 90 (right angle). Supp. adds to 180 (straight angles).

7. Write the order of operations.

Answers

Answer:

PEMDAS

parenthesis

exponents

multiplication

division

addition

subtractions

(please excuse my dear aunt sally)

Step-by-step explanation:

hope this helps:) please mark brainliest.

help ? 20 points . Do it for 10$ on cashapp

Answers

Answer:

use math\/\/ay

Step-by-step explanation:

Answer:

nty

Step-by-step explanation:

Order the following set of numbers from least to greatest.
0.09, 1%, 11%,
1/8

Answers

1/8=0.125 1%=0.01 11%=0.11
1%, 0.09, 11%, 1/8
Answer: 0.09,1%,1/8,11%
Explanation: this is College math pshh

One lap around the lake is 710 mile.
Dasha runs 9 laps around the lake.

Use the drop-down menus to complete the equation.

Answers

the answer should be 63/10

0.392 is what percent of 28?
Pleasee

Answers

Answer:

28% of 0.392=0.10976

Step-by-step explanation:

1. We assume, that the number 0.392 is 100% - because it's the output value of the task.

2. We assume, that x is the value we are looking for.

3. If 0.392 is 100%, so we can write it down as 0.392=100%.

4. We know, that x is 28% of the output value, so we can write it down as x=28%.

5. Now we have two simple equations:

1) 0.392=100%

2) x=28%

where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:

0.392/x=100%/28%

6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

Solution for what is 28% of 0.392

0.10976

A population of 2000 fish increases at an annual rate of 7.5%. Write the model, then predict how
many fish will there be in 10 years?

Answers

Answer:

The model is [tex]P(t) = 2000(1.075)^{t}[/tex].

There will be 4122 fish in 10 years.

Step-by-step explanation:

Exponentially increasing population:

An exponentially increasing population can be represented by the following model:

[tex]P(t) = P(0)(1+r)^t[/tex]

In which P(t) is the population after t years, P(0) is the initial population, and r is the growth rate, as a decimal.

A population of 2000 fish increases at an annual rate of 7.5%.

This means that [tex]P(0) = 2000, r = 0.075[/tex]

So

[tex]P(t) = P(0)(1+r)^t[/tex]

[tex]P(t) = 2000(1+0.075)^t[/tex]

[tex]P(t) = 2000(1.075)^{t}[/tex]

This is the model.

How many fish will there be in 10 years?

This is P(10).

[tex]P(t) = 2000(1.075)^{t}[/tex]

[tex]P(10) = 2000(1.075)^{10} = 4122[/tex]

There will be 4122 fish in 10 years.

The average weight of 8 marbles is 3.5 g. What is the total weight of the marbles?

Answers

Answer:

Take 8÷3.5. So the answer is aprominently 2.29.

EASY ANSWER PLEASE WANT BRAINLEIST SURE JUST ANSWER!

Answers

Answer:

can i have brainliest i answered in the question spot

Step-by-step explanation

Find the area of the trapezoid.
1 1/2cm
4 cm
3 1/2 cm

Answers

pick number 3 “ 1/2 cm”

What is the equation of this trend line?

Enter your answers by filling in the boxes.

K =
J +

Scatter plot on a first quadrant coordinate grid. The horizontal axis is labeled Variable J. The vertical axis is labeled Variable K. Points are plotted at begin ordered pair 2 comma 16 end ordered pair, begin ordered pair 2 comma 24 end ordered pair, begin ordered pair 4 comma 16 end ordered pair, begin ordered pair 4 comma 20 end ordered pair, begin ordered pair 5 and 93 hundredths comma 9 and 62 hundredths end ordered pair, begin ordered pair six comma 12 end ordered pair, begin ordered pair 6 comma 16 end ordered pairm beign ordered pair 10 comma 2 end ordered pair, begin ordered pair 10 comma 8 end ordere dpair. A line is drawn through begin ordered pair 2 comma 24 end ordered pair, begin ordered pair 4 comma 20 end ordered pair, begin ordered pair 6 comma 16 end ordered pair, and begin ordered pair 10 comma 8 end ordered pair.

Answers

Answer

so its 2 and 24

Step-by-step explanation:

help plz
can someone simplify 3 to the power of 2 times 3 to the power of 3

Answers

Answer:

(9)(27) also 243

Step-by-step explanation:

So, 3^2=9, and 3^3=27, so (3^2)(3^3) is equal to (9)(27) or 243

Help
Find x:

1.46
2.90
3.36
4.126

Answers

Answer:

First answer

Find the 18h term of the arithmetic sequence whose common difference is d=4 and whose first term is a, =3.

Answers

Answer:

the 18th term is 71

Step-by-step explanation:

The general form for any term "n" in an arithmetic sequence is:

a(n) = a1 + (n-1) * d

where "d" is the common difference.

So, in our case we have:

a(n) = 3 + (n-1) *4

Therefore, the 18th term will be:

a(18) = 3 + (18 - 1) 4 = 3 + 17 * 4 = 71

One plus a number y is no more than - 13.

Answers

Answer: 1 + y ≤ -13

Step-by-step explanation:

expand: x(3 + 9). please

Answers

Answer:

x(3 + 9) = 3x + 9x = 12x

Step-by-step explanation:

...........

During a session, a senate had a total of 104 Democrats and Republicans. There were 4 fewer Democrats than Republicans. How many members of each party were
there?

Answers

Answer:

54 republicans

50 democrats

Step-by-step explanation:

x=republicans

y=democrats

x+y=104

x=y+4

substitute for y

y+4+y=104

simplify

2y=100

y=50

x=54

I need help with this geometry question

Answers

Step-by-step explanation:

m<2= 180-90-41= 49°

m<4=90°

m<5=41

m<9=36°

7.13 g =
cg what is the answer​

Answers

Answer: 713 cg

Step-by-step explanation:

1 g = 100 cg

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

Given

7.13 g = ? cg

Solve

7.13 × 100 = 713 cg

Hope this helps!! :)

Please let me know if you have any questions

2(6x + 3) = 18 - 3(16 - 3x)​

Answers

The answer is -12
Hope this helps :)

2 out of every 7 come on a weekend. what percentage of days come on a weekend?
determine the answer to the nearest tenth of a percent

Answers

Answer:

0.30%

Step-by-step explanation:

Question:

If the nearest percentage is 0.30% what’s the nearest tenth of a percent?

Ryan is studying. The number of minutes he has studied varies directly with the number of calories he has burned. See the
graph below.

How many minutes does ryan study per calorie burned?

What is the slope of this graph?

Answers

Answer:

0.1 minute per calorie burned.  Slope is up 0.1 , right 1. or 0.1/1

Step-by-step explanation:

You find a point such as (10,100) or (20,200) then you divide the number of minutes by calorie burned to get minutes per calorie burned.

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