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2 years ago

The area of rectangle ABCD in square units is 32 33 34 35

Mathematics

2 answers:

Lemur [1.5K]2 years ago

7 0

Answer: 34, JUST TOOK THE TEST!!!

emmainna [20.7K]2 years ago

6 0

34 I think is the correct answer

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3x+y=5 , 2x-2y=22 solve the system of equations by the addition method

IgorLugansk [536]


3x+y=5

2x-2y=22 ...............2(x-y)=22 ⇒ x-y=11

3x+y=5

x-y=11 (+)

3x+x+y-y=11+5

4x=16 /:4

x=4

x-y=11

4-y=11

-y=7 /*(-1)

y=-7

5 0

3 years ago

Read 2 more answers

I need help! Will mark Brainliest for full answer!!!

Softa [21]

Answer:

Part a .............> x = 11

Part b .............> k = 57.2

Part c .............> y = 9.2

Explanation:

The three problems deal with inverse variation between two variables

An inverse variation relation between two variables means that when one of the variables increases, the other will decrease (and vice versa)

Mathematically, an inverse variation relation is represented as follows:

$y = \frac{k}{x}$

where x and y are the two variables and k is the constant of variation

Now, let's check the givens:

Part a:

We are given that y = 3 and k = 33

Substitute in the original relation and solve for x as follows:

$y = \frac{k}{x}\\ \\3 = \frac{33}{x}\\ \\x=\frac{33}{3}=11$

Part b:

We are given that y = 11 and x = 5.2

Substitute in the original relation and solve for k as follows:

$y=\frac{k}{x}\\ \\11=\frac{k}{5.2}\\ \\k=11*5.2=57.2$

Part c:

We are given that x=7.8 and k=72

Substitute in the original relation and solve for y as follows:

$y=\frac{k}{x}=\frac{72}{7.8}=9.2$ to the nearest tenth

Hope this helps :)

6 0

2 years ago

Solve for x: (x+4) = 7.(1 point) 2 Ox=3 Ox=5 Ox=6 O x = 10

MArishka [77]

Answer:

Step-by-step explanation:

So we have the equation:

$x+4=7$

To solve for x, subtract 4 from both sides:

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

The left side cancels. Subtract on the right:

$x=3$

So, the value of x is 3.

And our answer is A.

And we're done!

5 0

3 years ago

When we multiply and divide we ____ the negative numbers (integers)

mafiozo [28]

Answer:

I think its supliment but I took this class a long time ago so don't quote me on that

Step-by-step explanation:

7 0

2 years ago

Monica and Lauren know that they will need a lot of money in order to make the purchases necessary for a successful bakery. They

xxTIMURxx [149]

Based on the model, the total amount of money in the joined account after the 5 weeks is $767.30

<h3>What are linear equations</h3>

Linear equations are equations that have constant rates

A linear equation is represented as:

y = mx+ b

In this case,

m represents the deposit per week
b represents the initial deposit

So, the linear equations are:

y =153.46x --- for Monica
y = 128.90+ 127.68x -- For Lauren

To calculate the number of weeks, when they have the same amount, we equate both equations

$153.46x = 128.90 + 127.68x$

Collect like terms

$153.46x -127.68x= 128.90$

$25.78x= 128.90$

Solve for x

$x= 5$

Substitute 5 for x in

$y = 153.46x$

$y = 153.46 * 5$

$y = 767.30$

Hence, it will take 5 weeks for both accounts to have the same amount of $767.30

Read more about linear equations at:

brainly.com/question/14323743

4 0

2 years ago