How many solutions does the system have? y=−2x−4 y=3x+3 ​

Answers

Answer 1

Answer:

One Solution

Step-by-step explanation:

First substitute the y in the first equation with the second equation to get

-2x-4=3x+3

since theres a variable of both sides, you subtract the variable with the least coefficient, in this case, you add 2x to both sides to get

-4=5x+3

subtract the constant on both sides to get

-1=5x

divide both sides by 5

x= -0.2 or -1/5

Answer 2
One solution, I’m sorry if this is wrong but I remember studying this so I’m hope I’m right!

Related Questions

Please help for 20 POINTS I would appreciate it if you put an answer you actually think is right :)

Answers

Answer: i would say that i think its x

Step-by-step explanation:

it’s x!!!!!!!!!!!! !!!!!

This graph is:

A) A function because the vertical line test only intersects the shape in one point

B) NOT a function because the vertical line test intersects the shape in more than one point

C) Both a function and NOT a function because the vertical line test doesn't work

D) None of the above

Answers

Answer:

b

Step-by-step explanation:

I think it’s b and sorry if I am to late lol

DeAngelo rode his bike at a rate of 12 miles per hour. At that rate, how far could he ride in three hours?

Answers

36 miles
12 miles per hour times 3 hours=36 miles

At the given rate, he could ride 36 miles in three hours

What is multiplication?

Multiplication is a mathematical arithmetic operation. It is also a process of adding the same types of expression for some number of times.

Example - 2 × 3 means 2 is added three times, or 3 is added 2 times.

Given:

DeAngelo rode his bike at a rate of 12 miles per hour.

At that rate,

He rode in three hours,

= 3 x given rate

= 3 x 12

= 36

= 36 miles.

Therefore, he rode 36 miles in three hours.

To learn more about the multiplication;

https://brainly.com/question/19634536

#SPJ2

A right rectangular prism has a length 6 cm, a width of 8 cm, and a height of 4. The dimensions of the prism are doubled. What is the surface area of the enlarged prism?

6 =12 8=16 4=8


2(12)(16)+2(12)(8)+2(16)(8)

Help

Answers

Answer:

if youre asking what 2(12)(16)+2(12)(16)+2(12)(16) is then your answer would be 832

Step-by-step explanation:

2(12x16+12x8+16x8)=

2(192+96+128)=

2x416=

832

Answer:

832

Step-by-step explanation:

2(12x16+12x8+16x8)=

2(192+96+128)=

2x416=

832

Which inequality represents the situation seven less than a number is no more than 25?

Answers

Answer:

x-7[tex]\leq[/tex]25

Step-by-step explanation:

X-7< with line 25

Anser

Describe how the graph of y=2x is the same and different from the graph y=2x-7. Explain and show your reasoning.

Answers

Answer: They are the same because they have the same slope but are different because they have different y intercepts.

A submarine descends 175 feet under water in 5 minutes. The rate of descent is constant. What is the rate of descent per minute?

Answers

Answer:

I think its 35 I'm not sure though

It’s 35 feet per minute. 175 divided by 5 equals 35.

I need help! Please don’t do this just for points! Also if you could leave the steps on how to do this problem that would be great! 1st one to answer gets brainliest!

Answers

Answer: what the question that just showing ares

Step-by-step explanation:

9 2/3 - 7 5/6 as a fraction

Answers

9 2/3 - 7 5/6 = 1 5/6

1 5/6 = 11/6
It is 1 5/6 also known as 11/6

I need help with these questions plzzzz

Answers

Answer:

The first one is an acute triangle

The second one is a right triangle

The third one is obtuse triangle

Ok the other answer is better than mine ;-;

Isosceles acute, scalene right, isosceles obtuse

please help meeeeeeeeee

Answers

What do you need help on exactly?

How would you write this inequality in words? 42-J<12
forty two minus J is less than 12
or...
forty two minus J is less than or equal to 12
or...
forty two minus J is greater than 12

Answers

Answer:

forty two minus J is less then twelve

Step-by-step explanation:

the less than symbol is small on the left and big on the right

the greater than symbol is big on the left and small on the right

the equal to symbol has a line under the symbol

Which makes this statement true
< > =
/-5/ /2/

Answers

Answer:

I believe the correct answer is (>)

pls help im not smart enough ;-;

Answers

PART1:

First Combination:
Pizza ($7) + Chicken Strips ($6) + Biscuits ($3) + Grapes ($4) = $20

Second Combination:
Dog Food ($13) + Bread ($3) + Crackers ($2) + Broccoli ($2) = $20

Third Combination:
Shampoo ($4) + Tissues ($3) + Pizza ($7) + Eggs ($3) + Biscuits ($3) = $20


PART 2:

First Combination:
$7.20 + $5.70 + $2.90 + $3.70 = $19.60
No, I wouldn’t have gone over the limit

Second Combination:
$13.40 + $3.50 + $2.00 + $1.90 = $20.80
Yes, I would have gone over the limit

Third Combination:
$3.50 + $2.60 + $7.20 + $2.50 + $2.90 = $18.70
No, I wouldn’t have gone over the limit

Hope this helps!!



Line segment DE is graphed on the coordinate plane below.

Answers

I am not sure how to help you there is not question

Answer:

ok first go online and ...

Step-by-step explanation:

SOLVE FOR x IN THE DIAGRAM BELOW

Answers

Answer:

x = 12°

Step-by-step explanation:

(x + 42) + 3x = 90°

(The interior angle equals 90°)

Simplify.

4x + 42 = 90

Subtract.

4x = 48

Divide.

x = 12°

good luck, i hope this helps :)

Answer:

x= 12°

Step-by-step explanation:

Information needed:

The two angles add up to 90°

Equation: (x+42)+3x= 90°

Solve:

(x+42)+3x= 90°

x+42+3x= 90°

x+3x+42= 90°

4x+42= 90°

    -42  -42

4x= 48°

/4    /4

x= 12°

Write the shaded region of the model as a percent.

Answers

Answer:

40%

Step-by-step explanation:

2/5 as a decimal is 0.4, and 0.4 as a percentage is 40% hope this helped!

Answer=2/5= 40%

Step-by-step explanation:

there are five different pieces and 100 divided y 5 equals 20, 20 times 2 equals 40. therefore the answer is twenty.....

Of the 120 math tests, 47 were Bs. What percent of the math tests were Bs? Round to the nearest whole percent.

Answers

Answer:

39.17%

Step-by-step explanation:

Answer:

39%

Step-by-step explanation:

Percent is ALWAYS out of 100, and the unknown is percent so our first part of the equation will be %/100. Now our second part of equation: is/of

Of represets whole the total, and we have our key word “Of the 120 math tests”. We have our total: 120; 47 is our part so second part of equation: 47/120.

Our equation so far: %/100 = 47/120 now we need to multiply the numbers that we have diagonally: 100% x 47; 47/100 we’re multiplying so we’ll move two 0s to the right. Answer: 4700

Now, we’ll divide 4700 by 120. 4700/120. Answer:  39.1666666667. Round to nearest whole means round to nearest ones.

Thus, the answer is 39.

Hope this is helpful!

BEST Answer gets brainliest, ten points, a thanks AND a five star review:))

Answers

Answer: c
Explaination: I just did this for my little cousin :)

in a parallelogram ABCD, AE is an angle bisector. If BE=3 in, EC=2 in, m

Answers

Answer:

Consider a triangle ABC. Let the angle bisector of angle A intersect side BC at a point D between B and C. The angle bisector theorem states that the ratio of the length of the line segment BD to the length of segment CD is equal to the ratio of the length of side AB to the length of side .

Which is a possible solution for the inequality 42-J<12
J=1
J=10
J=31

Answers

Answer:

ответ j = 10

Step-by-step explanation:

A possible solution would be J=10 I believe

Pls help it is due today

Answers

Answer:

As time passes, the riders speed increases at a steady rate

Step-by-step explanation:

Answer:

C - As time passes, the speed will increase at steady rate.

Step-by-step explanation:

What is the lateral surface area of the square pyramid represented by this net?Enter your answer in the box. ft²A square pyramid and net of a square pyramid. The net is a square and 4 identical triangles. The square side length is labeled 8 feet and the triangle heights are all labeled 11 feet. The triangle bases share a common side with the square.

Answers

Answer:

The awnser is 176

Step-by-step explanation:

i have taken the test and got a 90 on it so yea

Answer:

The answer is 176

Step-by-step explanation:

took test

Need help plzzzzz :>

Answers

Answer:

2. H

3. A I believe, because 1 and 7 seem to be the same angle.

I dont know the rest

Explain relationship between the factors of a quadratic expression, the roots of the related quadratic equation, and the x-intercepts if the graph of the related function

Answers

Step-by-step explanation:

So, let's use x2 - 3x - 28 as an example.

 

It's factors are (x - 7)(x + 4).

 

The roots are the x-values that make our expression equal 0. In order for x2 - 3x - 28 to equal 0, either of our factors need to equal 0, since 0 times anything is 0.

 

x2 - 3x - 28 = 0

(x - 7)(x + 4) = 0

 

x - 7 = 0

x = 7

(7 - 7)(7 + 4) = 0(11) = 0

 

x + 4 = 0

x = -4

(-4 - 7)(-4 + 4) = -11(0) = 0

 

That gives us two points on our graph, (7,0) and (-4,0). Where are those? On the x-axis! Thus, there are our x-intercepts.

 

By the way, for the future, along the x-axis, y = 0, so if you are asked for the x-intercepts (or roots), set y = 0 and solve for x.

 

Along the y-axis, x = 0, so if you are asked for the y-intercepts, set x = 0 and solve for y.

 

y = 02 - 3(0) - 28

y = -28

 

So, the y-intercept(s) of our same equation is y = -28, or (0,-28).

 

Boom.

Answer:

The x-intercepts are happen are when y = 0. If you tried to substitute y = 0 into a quadratic in the standard form you can not use traditional methods for solving for x.

Y=0 when looking for an x-intercept. Doing the factored form you are finding the x-intercepts. You always want the equation to equal 0 then factor out the equation till you get the numbers for the x-intercept.

STruggling. pls help

Answers

the answer is 6! Hope this helps

can someone do this please? And please DONT waste my points!!!!

Answers

There should be 32 pints of red and 24 pints of yellow to make the same pint of orange

Answer: 32

Step-by-step explanation:

You need 4 pints for a batch, and 24 pints of yellow paint is 8x more than the amount that Sally used. 8x4 would be the amount of red paint needed, so it is 32.

WILL GIVE BRAINLIEST!!!
Writing assignment: Your friend asked you to help him to solve a problem in Math. Write a letter back to your friend explaining how to solve the problem, step by step. Remember that your friend is struggling in Math so please include the formulas and be specific as possible. btw it can be 9-15 sentences. Determine area of composite figure:

Answers

ANSWER ANSWER:
840
I REALLY HOPE THIS HELPS

What are the types of Sampling Techniques in Statistics?

Answers

Answer:

In statistics, quality assurance, and survey methodology, sampling is the selection of a subset of individuals from within a statistical population to estimate characteristics of the whole population. Statisticians attempt for the samples to represent the population in question.

Step-by-step explanation:


In statistics, sampling allows you to test a hypothesis about the characteristics of a population. ... Probability sampling methods include simple random sampling, systematic sampling, stratified sampling, and cluster sampling

Which table represents the statement “Di runs at a rate of 4 meters per second”?
A 2-column table with 3 rows. Column 1 is labeled seconds with entries 1, 2, 3. Column 2 is labeled meters with entries 4, 8, 12.
A 2-column table with 3 rows. Column 1 is labeled seconds with entries 1, 2, 3. Column 2 is labeled meters with entries 2, 4, 6.
A 2-column table with 3 rows. Column 1 is labeled seconds with entries 1, 2, 3. Column 2 is labeled meters with entries 8, 16, 32.
A 2-column table with 3 rows. Column 1 is labeled seconds with entries 1, 2, 3. Column 2 is labeled meters with entries 5, 10, 15.

Answers

I would go with C. like the other person

Answer:

c

i am doing on edg

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