Answer:3$Step-by-step explanation:

Mathematics High School

i’ll mark brainliest

Answers

Answer 1

Answer:

Step-by-step explanation:

Answer 2

The answer would be $3. Dividing 7.80 by 2.6 would get you 3.

Related Questions

Which method would be best (quickest) for solving the system below:
3x - 4y = -2
y = 2x + 1

Answers

To solve with Elimination:

Write the equations under one another, like this:

2x - y = -1
+ 3x + 4y = 26

Ideally, we would like for one of the variables to be eliminated when we add vertically (straight down). But if we add them as they are this does not happen. We must manipulate one of the equations so that it will happen. Again, you can try to eliminate either x or y. I always look for a term that has a coefficient of 1 (or negative 1). So, let's use that y from the first equation again.

If the coefficient of the y in the other equation is POSITIVE 4, then I need the coefficient from the first equation to be its opposite, NEGATIVE 4. To do this, simply multiply the first equation by 4, this will create MAGIC!

4( 2x - y = -1)
+ 3x + 4y = 26

Be certain to Distribute across the entire first equation, so multiply all three terms by 4.

8x - 4y = -4
+ 3x + 4y = 26

Now add straight down (vertically). The y term will be eliminated.

11x = 22

Divide both sides of the equation by 11.

x = 2

Almost there! Now, substitute the 2 in for x in either of the original equations. Either one will work. I'm gonna use the second equation.

3x + 4y = 26

3(2) + 4y = 26

6 + 4y = 26

Subtract 6 from both sides of the equation.

4y = 20

Divide both sides of the equation by 4.

y = 5

That's it! There it is again. Put it all together. If x = 2 and y = 5, then the solution is the ordered pair, (2,5).

If CDG ~ EDF, find the value of x.
2x+7
5x-2
48
40

Answers

Answer:

x=4

Step-by-step explanation:

48/5x-2 = 40/2x+7

48(2x+7) = 40(5x-2)

96x+336 = 200x-80

-96x -96x

336 = 104x-80

+80 +80

416/104 = 104x/104

x = 4

The value of x is equal to 4.

we have given that,

If CDG ~ EDF, find the value of x.

2x+7

5x-2

we have to determine the value of the x.

What is the similarity of the triangle?

Two triangles are similar if they have the same ratio of corresponding sides and equal pairs of corresponding angles.

48/5x-2 = 40/2x+7

48(2x+7) = 40(5x-2)

96x+336 = 200x-80

-96x -96x

336 = 104x-80

+80 +80

416/104 = 104x/104

x = 4

To learn more about a similar triangle visit:

https://brainly.com/question/2644832

#SPJ2

Mrs. Smith opened a checking account with $100. In the first month, she wrote checks for $42 and $35 and deposited $350. How much was in her account after these transactions.

Answers

Answer:

$373

Step-by-step explanation:

$100 - $42 = $58

$58 - $35 = $23

$23 + $350 = $373

Mrs. Smith has $373 in her bank account

In the diagram below, what is the approximate length of the minor arc ?
A. 36 cm
O
B. 72 cm
23 cm
120*
ОО
C. 48 cm
D. 24 cm

Answers

Answer:

The approximate length of the minor arc would be 48 cm.

Answer:

Step-by-step explanation:

Mayra bought x grams of rice.

Anika bought 5

more than Mayra bought.

Select ALL of the equations that represent the relationship

between the amount of rice that Mayra bought, x, and the

amount of rice that Anika bought, y.

(Select all that apply)

Answers

Answer:

[tex]y = 5 + x[/tex]

[tex]y - x = 5[/tex]

[tex]x = y - 5[/tex]

Step-by-step explanation:

No options were given but the question can still be solved

Given

From the first statement, we have:

[tex]Maria = x[/tex]

From the second, we have:

[tex]Anika = 5\ more[/tex]

Required

Determine the relationship between the amount of rice they bought

5 more means 5 + Maria.

So, [tex]Anika = 5\ more[/tex] becomes

[tex]Anika = 5 + Maria[/tex]

Substitute x for Maria

[tex]Anika = 5 + x[/tex]

For proper expression, let Anika be y

[tex]y = 5 + x[/tex]

Subtract x from both sides

[tex]y - x = 5[/tex]

Make x the subject

[tex]x = y - 5[/tex]

18 + 18 + 18 + 18 - 24 + 1 + 3 + 5 + 7 + 20 - 23 =?

Answers

Answer: 61

Step-by-step explanation:

Use addition to solve the equation.

18 + 18 + 18 + 18 - 24 + 1 + 3 + 5 + 7 + 20 - 23 = 61.

Answer:

Step-by-step explanation:

Let g(x) = 5x + 7. What is g(1)?

Answers

Step-by-step explanation:

given

g(x) = 5x + 7

g(1) = 5 * 1 + 7

= 5 + 7

= 12

Hope it will help :)

Answer:

Step-by-step explanation:

5 x 1=5

5+7=12

A car rental agency charges $40 per day for the first 7 days, and $35 a day for each day after that. How much would joe be charged if he rented a car for 10 days?

$415
$405
$395
$385
$375

Answers

Answer:

$385

Step-by-step explanation:

7x$40=280

3x$35=105

280+105=385

Answer:

$385

Step-by-step explanation:

If for the first seven days Joe has to pay $40, you would multiply that number by seven to get $280. However, he had the car for 3 extra days so you would multiply the additional cost of $35 per day by 3 to get $105. After that all you have to do is add $280+$105 to get a total of $385.

[-1+(2²-5×6)]÷(-5+2)+1

Answers

Answer is 10

Step-by-step explanation:

i need help i will get a zero if i dont

Answers

Answer:

You would multiply 7cm twice. and then multiuply 9 twice and then you add the two sums.

so 49 plus 81 is 130

so you have 130 cm.

Step-by-step explanation:

Hope this helps Im bad at math.

y = 5x − 7 −3x − 2y = −12 solved by substitution please show the work too so i can understand

Answers

Answer:

y=3, x=2

Step-by-step explanation:

-3x-2(5x-7)=-12 (substitute y=5x-7)

simplify

{-13x+14=-12\}

isolate x for -13x +14=-12: x=2

for y=5x-7 substitute x=2

simplify y=3

sorry i know this is quite lenghty but i hope this helps :) have a nice day !!

HURRY I NEED HELP!!!
Distribute the expression
}(2n + 6 - 48y)

Answers

Answer:

2(n+3-24y)

Step-by-step explanation:

hope this helps!

What is the measure of each angle?

plz hurry and this will be 40 points :D

Answers

Answer:

27 and 63 degrees

Step-by-step explanation:

LAST PAGE!!! PLEASE HELP ME!! IL YOU GUYS SM!!! EXTRA POINTS BC THIS PAGE IS A DECENT AMOUNT OF WORK ∅-∅ ⊕-⊕ Ф-Ф

Answers

hope it's helpful ❤❤❤❤❤❤❤

THANK YOU.

Can somebody plz heLp answer number 7-8 thanks!!!

WILL MARK BRAINLIEST WHOEVER ANSWERS FIRST :DDD

Answers

Answer:

7. x - 16 = 5

x = 21

8. x ÷ 2 = 8

x = 16

good luck, i hope this helps :)

The graph models the population of a species of moth as a function of days since the count began.

What does the y-intercept represent?

The population will continue to increase.
The population when the count began was 125,000.
On day 125, there were 0 moths remaining.
The population after 60 days was 20,100.

Answers

Answer:

Here is the correct answer sorry that I am late, but hope this helps others! Have a nice day! And also this really helpful for k12 students!

Answer:

The population when the count began was 125,000.

is the correct answer

Step-by-step explanation:

Identify the slope and y-intercept of the graph of the equation. y =3/5 x + 1

Answers

Answer:

slope = 3/5

y intercept = 1

Step-by-step explanation:

i think

Answer:

Slope: 3/5

Y-int: 1

Step-by-step explanation:

Slope intercept form is y=mx+b, with m being the slope being the y-int. So, m is 3/5 and b is 1 in the equation.

(hope this helps :P)

can you help me please

Answers

Honestly, I don’t really know but I believe it’s 3

Hurryyyy helpppp
Find the unknown side length, x. Write your answer in simplest radical form.

A. 2√41
B. 4√29
C. 48
D. 58

Answers

Answer:

The answer is D. 58

Step-by-step explanation:

I'm just good like that

suzy ran 4 laps on monday and 10 laps on friday. what is the percent of change from monday to friday? HELPP WILL MARK BRAINLIAST

Answers

Answer:

SHE RAN 6 MORE LAPS ON FRIDAY THAN MONDAY

Step-by-step explanation:

PLEASE SOMEONE HELP ME PLEASE

Answers

Answer: 1735 3/10

Step-by-step explanation:

Create two expressions equivalent to 48j + 36 using the expresion below:
6(_ j + _ )

Answers

Answer:

Two expressions equivalent to 48j + 36.

Use distributive property of multiplication.

Since 6 is the factor, divide each term by 6 to get the other factor;

48j + 36 = 6*8j + 6*6 = 6*(8j + 6) =6*2(4j + 3)

A bicycle store costs $2600 per month to operate. The store pays an average of $60 per bike. The average selling price of each bicycle is $100. How many bicycles must the store sell each month to break even?

Answers

you should try dividing

They must sell 65 bicycles

An account earns simple interest. Find the annual interest rate.

I= $225

P= $1500

t= 5 years

The annual interest rate is
%.

Answers

Annual interest rate is 225

Hurry please It’s timed

Answers

Answer: could possibly be the fifth one and could also be the third

Step-by-step explanation: I’m not positive though

I believe it is the fifth one!

What is the factored form of this polynomial? 2x^4 + 2x^3 - x^2 - x

Answers

x ( x + 1 ) (2x^2 - 1)

please help i will mark branliest

Answers

Joshua can make 6 plates

Answer: B

I say B because if you put 30 into 6 circles it makes 6 plates. It would not be C because B puts the balls before plates.

One of the legs of a right triangle measured 6 cm and the other leg measures 17cm. Find the measure of the hypotenuse. If necessary, round to the nearest tenth.

Answers

Answer:

don't no for the answer he app vapru naga he app bakwas ahe

The actual answer is 18.02 but since it has to be rounded to the nearest tenth, the final answer is c≈18

Apply the distributive property to create an equivalent expression.

-9•(5j+k)

Answers

-45j+-9k
because -9 times 5j is -45j
and -9 times k is -9k

Simplify the expression -2 (x + 4 + 5y).

Answers

Answer:

-2x-10y-8

Step-by-step explanation:

Rearange terms

-2(x+4+5y)

-2(x+5y+4)

Distribute

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