Find the value of a and b.
2x + 5y = 9
3x – 2y = 4
x= ?
y= ?

Answer:

Step-by-step explanation:

In decimal form it’s 3.5 but if you want a fraction it’s 7/2 hope this helped you sorry if it isn’t what you where looking for

Answer:

it could be 3.5 because 1/2 is half of one whole so yea haha.

Answer:

Step-by-step explanation:

Let the marked price is x

Now we have below equation:

MP is Rs. 1000

Answer:

D

Step-by-step explanation:

To find the answer, input this into your calculator

4.23/57 × 100

This gives the percentage of 7.42% (rounded)

hope this helps :)

Answer:

We have the equation:

[tex]W = W_0*(\frac{1}{2})^{0.36*t}[/tex]

Where:

W₀ is the initial area of the wound, and t is the time in days.

Now, if we initially have a wound of 25 mm^2, then:

W₀ = 25mm^2

And we can replace it in the equation, then we get:

[tex]W = (25mm^2)*(\frac{1}{2})^{0.36*t}[/tex]

We want to know the size of this wound after:

a) 1 day.

We know that t represents time in days, so here we just need to replace t by one, then:

[tex]W = (25mm^2)*(\frac{1}{2})^{0.36*1} = 19.5 mm^2[/tex]

b) 1 week

Again, t represents the time in days, so we need to write this in days.

We know that:

1 week = 7 days.

then t = 7

The size of the wound after 7 days is:

[tex]W = (25mm^2)*(\frac{1}{2})^{0.36*7} = 4.36 mm^2[/tex]

Answer:

No Solution

Step-by-step explanation:

y = 4x - 6

y = 4x + 10

You can set them equal to each other because they both are y.

4x-6=4x+10

-6=10

No Solution

Answer:

1500 is your answer

Step-by-step explanation:

Answer:

no hay numero entero y el decimal es un numero infinito.

Step-by-step explanation:

si dividimos 15/100 nos da un total de 3.333+ asi que no hay un numero entero que nos de este resultado

Answer:

what do you need help with        

Step-by-step explanation:

Answer:

Step-by-step explanation:

You want to factor out perfect squares if they exist.

[tex]1.\ \sqrt{36}=\sqrt{6^2}=6\\ \\ 2.\ \sqrt{40}=\sqrt{2^2(10)}=2\sqrt{10}\\ \\ 3.\ \sqrt{75}=\sqrt{3(5^2)}=5\sqrt{3}\\ \\ 4.\ \sqrt{120}=\sqrt{2^2(30)}=2\sqrt{30}\\ \\ 5.\ \sqrt{84}=\sqrt{2^2(21)}=2\sqrt{21}\\ \\ 6.\ \sqrt{48}=\sqrt{4^2(3)}=4\sqrt{3}[/tex]

Answer:

B. both the median and interquartile range of math is larger than science

Step-by-step explanation:

Math: 41, 82, 87, 88, 90, 93, 94, 94, 99

Median: 90

Interquartile range: 9.5

Science: 71, 75, 75, 77, 78, 79, 79, 81, 82

Median: 78

Interquartile range: 5

Answer:

X∈∅

Step-by-step explanation:

4x + 5 = 6(x + 3) - 20 - 2x

distribute the 6

4x+5=6x+18-20-2x

collect like terms

4x+5=4x+18-20

4x+5=4x-2

cancel equal terms

5=-2

statment is false for any value of x

X∈∅

Answer:

Mean: 10.7

Median: 11

Mode: 12

Hope you find this helpfull:)

Answer:

Answer is 20

Step-by-step explanation:

X+15=30

30-15= 15 so that means 15+15=30

2(x-5) X is 15 so 15-5=10 then multiply by 2.

The required value of 2(x – 5) is 20 when the equation is x + 15 = 30.

The equation is defined as mathematical statements that have a minimum of two terms containing variables or numbers that are equal.

The equation is given in the question, as follows

x + 15 = 30

First, we can solve for x by subtracting 15 from both sides of the equation:

x + 15 - 15 = 30 - 15

x = 15

Next, we can substitute this value of x into 2(x – 5):

2(x – 5) = 2(15 – 5)

2(x – 5) = 2(10)

2(x – 5) = 20

Therefore, the value of 2(x – 5) is 20.

Learn more about the equation here:

brainly.com/question/10413253

#SPJ6

9514 1404 393

Answer:

  D x-3 -6 -9 y 12 24 36

Step-by-step explanation:

The relationship is proportional when the ratio of y to x is the same for all table entries. In selection D, that ratio is ...

  12/-3 = 24/-6 = 36/-9 = -4

Answer:

d=54

Step-by-step explanation:

22 + 15 = d - 17

37=d-17

54=d

d=54

Answer:

d=44

Step-by-step explanation:

22+15=37 so ?-17=37 well its 44 because 44-17=37

Answer:

c

Step-by-step explanation:

edge

Answer:

You would need 5 3/4 cups of milk.

Step-by-step explanation:

It's right! Brainliest?

Answer:

94600

Step-by-step explanation:

A hundred has 2 zeroes. To round a number to the nearest hundreds, just look at the last 2 digits (84). If it is 5 or bigger, add 1 digit (as I did in this exercise) and so it becomes 94600.

Answer:

x = 5

y = 5

Step-by-step explanation:

In this question you need to solve one equation in order to plug the value into the second one and solve it as well. Lets start with the top one...

2x - x = 5

1x = 5

x = 5

Now we plug that value of x into the second equation

4x - 2y = 10

4(5) - 2y = 10

20 - 2y = 10

-2y = -10

y = 5

Finally, we can see that both x and y have a value of 5.

Answer:

the answer is 21

Step-by-step explanation:

Answer:

$50 + ($30 x 12) = $410

Step-by-step explanation:

Answer:

$410.00

Step-by-step explanation:

Answer:

F

Step-by-step explanation:

she spins it 2 times and there's 4 different spinners on the board

there's 1 * on the board so

* = 1/4

there's 1 & on the board so

& = 1/4

its 1/4 for both

so 1/4 + 1/4 = 2/8 or .25

2/8 = 1/4

Answer:

f

Step-by-step explanation:

Answer:

answer b <3

Step-by-step explanation:

Answer: 48

Step-by-step explanation:

280*(17/100) = 47.6

Answer:

B

Step-by-step explanation:

Answer:

B. $4.35

Step-by-step explanation:

to find your sales tax you just have to do [cost of the item] x [ percentage as a decimal]= sales tax

so in your case it would be [$67.00] x [0.065] = $4.35

Answer:

It requires of two equations

Step-by-step explanation:

example:

2x +7y = 12