Write an equation that you could subtract from 4x+3y=-7 to eliminate a variable. Then solve the system.

Answers

Answer 1

x= 7/4 - 3/4

you just have to subtract on variable and then put it on the other side, eventually you will have to divide it all by 4, which you can't do, so it ends up as a fraction:)

Related Questions

Which set of ordered pairs represents a function?

Answers

You’re correct answer is the first

Can someone please help me!!!

Answers

Answer:

x= 4.5

Step-by-step explanation:

P= 2(l + w)

36 = 2(4x-6)+12

36 = 8x - 12 +12

x = 36/8

=4.5

Answer:

Equation: 4x - 6 = 6 x = 3

Step-by-step explanation:

A rectangle is a parallelogram, which means that opposite sides are parallel. This means that both of the short sides equal 12. 12 plus 12 is 24, so substract 24 from 36 to get 12. This means that the sum of the long sides are 12; half of 12 is 6 so that is the length of one of the sides. This means that you can set the equation 4x - 6 equal to 6. Add 6 to both sides to get 4x = 12, then divide both sides by 4 to get x = 3. I think your equation should be 4x - 6 = 6, and x equals 3.

Sorry if I'm wrong, if I'm right then that picture of the rectangle is really misleading.

HELP PLZZZZZZZZZZZZZ ILL GIVE U A JUICE BOX

Answers

Answer:

Step-by-step explanation:

[tex]\frac{1}{2}[/tex](12*g) - h = [tex]\frac{1}{2}[/tex](12 * [tex]\frac{1}{4}[/tex]) - [tex]\frac{1}{2}[/tex] = 1/2 * 3 - 1/2 = 3/2 - 1/2 = 1

A group of agricultural students went on a field trip to the state fair. Each ticket to enter the fair was 9$ and the parking fee for the groups bus was 25$. How many students went on the field trip if the total cost was 313$?

Answers

32 students went on the field trip

HELP ASAP I WILL GIVE YOU BRAINLYEST

Rachel estimates the weight of her dog to be 35 pounds. The actual weight of the dog is 37.5 pounds. What is the percent error of Rachel's estimate ? Round to the nearest tenth if necessary

Answers

Answer:

the correct answer is 6.6666666666667% error but since there is no selection for that I would assume it would be the 6.4%

Step-by-step explanation:

-4e - 9=19 find e for me

Answers

Answer:

-7

Step-by-step explanation:

Rearrange for e

1. 48 students to 4 teachers Your answer

Answers

Answer:

12:1

Step-by-step explanation:

you have to simplify it

Please respond ASAP! I don't understand

Answers

Answer:

52%

Step-by-step explanation:

this is super easy:

13 --------> 25

x -----------> 100

cross multiply.

13 x 100- 1300

1300 divided by 25 = 52%

Which element, that is essential for human life, is found in large amounts in both Earth's atmosphere and oceans?

A) helium

B) oxygen

C) silica

D) calcium

Answers

C)silica lol i just did this question

Answer:

oxygen

Step-by-step explanation:

we breath it every day

On Monday the high was 60°F on Tuesday that I was 18° more how much did the high increase from Monday to Tuesday

Answers

42 degrees
Hope that helps

Find the missing section. Answers must be in fraction form.

Answers

Answer:

[tex]\frac{1}{10}[/tex]

Step-by-step explanation:

We have a circle that is split in three sections, two of which we know and we are asked to find the third missing section.

For the circle, we know that 4/5 and 1/10 is fit. Now we need the last one, to solve, we need to get the same denominator and see how much is missing.

Since 1/10 is our highest denominator, let's change 4/5 to have 10 as a denominator. Which would be through multiplying 5 to get 10.

What times 5 equals 10?

Now multiply both numerator and denominator by 2 to get our portion.

[tex]\frac{4*2}{5*2}[/tex]

[tex]\frac{8}{10}[/tex]

Now we have the same denominator, let's add our two fractions and see how much we have left.

8/10 + 1/10

9/10

We have 1/10 missing, therefore 1/10 is the answer.

PLS I NEED HELP ASAP I DONT HAVE TIME IT ALSO DETECTS IF IT RIGHT OR WRONG.

Answers

Answer:

D = 272 ft

Step-by-step explanation: hope this helps. pls mark me brainliest

answer for brainlist

Answers

I’m pretty sure it rational, whole, and real number

Find tan A for the triangle below.

a 1.5
b. 0.667
C. 0.832
d. 1.202

Answers

Answer:

Step-by-step explanation:

on edge

Answer:b

Step-by-step explanation:

Line AB and line BC form a right angle at point B. If A = (-3, -1) and B + (4, 4), what is the equation of line BC?

A.) x + 3y = 16
B.) 2x + y = 12
C.) -7x - 5y = -48
D.) 7x - 5y = 48

Answers

Answer:

C.) -7x - 5y = -48

Step-by-step explanation:

slope AB = (y2 - y1)/(x2-x1)

= {4-(-1)}/{4-(-3)} = 4+1/4+3 = 5/7

slope of BC = -1 ÷ 5/7 = -1 × 7/5 = -7/5

taking -7x - 5y = -48

-5y = 7x -48

y = 7x/-5 - 48

y = -7/5x -48

A female cheetah left her cubs to hunt for food. She sprinted 30 m away from her den in two seconds. Next, she turned around and traveled 10 meters back toward her den in three seconds. She suddenly stopped and listened intently for 1 second. Then, she traveled 40 meters away from her den in four seconds.

What is her average velocity in m/s?

Answers

Answer:

Step-by-step explanation:

total distance = 30+10+40 = 80 meters

time = 2+3+4 = 9 seconds

average velocity = 80/9 = 8 8/9 meters per second.

write the equation of the line with a slope of 8, through the point (7,1)

Answers

Answer:

Y = 8x - 55

Step-by-step explanation:

Please help me with this!

Answers

Answer:

10 is real, rational, integer, whole, natural

5/6 is real, rational

sqrt of 24 is real, irrational

0 is real, rational, integer, whole

sqrt 81 is real, rational, integer, whole, natural

Step-by-step explanation:

Classification

Can someone help me please!!!

Answers

Answer:

Step-by-step explanation:

(0,8)(8,0)

find slope

m=-1

b=8

y=-x+8

Answer:

y= -1x+8

Step-by-step explanation:

slope is -1/1 and your y intercept is (0,8)

You can buy 2 tickets to school carnival for $9 total.
How many tickets can you buy for $27?

Answers

Answer:

Step-by-step explanation:

pls brainliest

9/2=4.5

27/4.5=6

evaluate the exponential expression
(2x5)^2

Answers

Answer:

[tex]100[/tex]

Step-by-step explanation:

[tex](2*5)^2[/tex]

First we need to start with the parentheses:

[tex](2*5)=10[/tex]

Now we have to do the power(2):

[tex]10^2\\10*10=100[/tex]

100 is your final answer.

The size of a computer class is limited to 15 people. If 3 seats are still available, to what percent of its capacity is the full classical

Answers

Step-by-step explanation:

80%full

20% is still available

Its 80% full

and 20% remaining/ seats available

i have 5 minuets please answer (image included)

Answers

Answer:

The second one !!

Step-by-step explanation:

You always start from the origin... (0, 0) !! From the bottom of that function, from the origin, you would move to the right 1, down 4 in order to get where the graph is in the picture !!

i hope this made sense... have a good day !

3/12 and 5/x are
equivalent ratios. Solve for
X. Pls help asap

Answers

Answer:

3/12 and 5/x

12 times 5 is 60 so 3 times 20 shall be 60

3/12 = 5/20

At the beginning of the month Kiran had $24 in his school cafeteria account. Use a variable to represent the unknown quantity in each transaction below and write an equation to represent it. Then, represent each transaction on a number line. What is the unknown quantity in each case? 1. In the first week he spent $16 on lunches. How much was in his account then? 2. Then he deposited some more money and his account balance was $28. How much did he deposit? 3. Then he spent $34 on lunches the next week. How much was in his account then? 4. Then he deposited enough money to pay off his debt to the cafeteria, How much did he deposit? 5. Explain why it makes sense to use a negative number to represent Kiran's account balance when he owes money.

Answers

Answer: 8, 20, -6, 6

Step-by-step explanation:

1. you need to to subtract 24-16=8

2. then you subtract 28-8=20

3. Then you subtract 28-34= -6

4. At the end you just put in 6!

Have a great day!

Answer:

Because it means that person Deposited that much that they didn't have so meaning when they add new money the negative number something of the amount will be taken away.

An Example is a person has in their bank account 20 dollars. They Spent 25 dollars so then means they owe the bank 5 dollars so it's gonna be -5.

Step-by-step explanation:

HEY THERE! PLEASE ANSWER THE MATH QUESTION IN THE PHOTO! THE CORRECT ANSWER WILL BE MARKED AS BRAINLIEST ,GET POINTS AND I WILL ALSO FOLLOW YOU! THANKS! (if you can explain your answer)
xoxo

Answers

Answer:

a) 1/10

b) 2/10

c) 8/10

Answer:

a) 1/10

b) 2/10

c) 8/10

:))

j^2+5.10
question: if j=2 the value of the following expression is 90.
TRUE OR FALSE?

Answers

It’s wrong it doesn’t add up to 90

8. Find the area of the square.
79.54
90.51
128
64
256

Answers

Answer:

Step-by-step explanation:

please help to solve this

Answers

Answer:

I can do the top 2

1. a = -11

2. z = 9/2 (or nine over two in word form)

Step-by-step explanation:

1
HELP!!Extra Credit: Use trig ratios twice to find the value of x in the figure below: (Round to the nearest tenth)
500/650
х
41

Answers

Answer:

x = 73.8

Step-by-step explanation:

to find the blue line:

tan(50) = 41/a

a = 41/tan(50)

a = 34.4 to 1 decimal place

to find x:

tan(65) = x/34.4

x = 34.4tan(65)

x = 73.8 to 1 decimal place

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