Mathematics High School

Marcos tem 44 carrinhos em sua coleção e comprou mais 13. Com quantos carrinhos Marcos ficará?​

Answers

Answer 1

Answer:

Marcos ficará com 57 carros.

Step-by-step explanation:

44+13=57

Aliás, 57 carros é muito carro!

Related Questions

True or false how do you know?

Answers

Answer:

true

Step-by-step explanation:

figure B is figure A but 3 times the size.

Two technicians are discussing scan-tool use. Technician A...

D. Technician A only IS INCORRECT!!!

Answers

Answer:C

Step-by-step explanation:

The answer should be C.

can someone help pls

Answers

Answer: hehehe

Step-by-step explanation:

Your mom

Two-thirds of the students in your class are boys. One eighth of the boys play soccer what fraction of the kids in your class are boys who play soccer





Math period 4 — 9th Grade

Answers

Answer:

7 of the kids in your class play

Step-by-step explanation:

Hope this helps you :)

Has anyone done Exponential Growth and Decay (in mathematical models with application A) on sos or odysseware and gotten a prefect score?? Pls help!

I need help on the whole assignmnet but particularly this question..

Answers

Answer:

1) 62.5

2) 50

3) 75

4) 100

Step-by-step explanation:

1)

Because it has a half-life of 25 days, half of it will decay after 25 days.

After [tex]25*4=100[/tex] days, there will be [tex](1/2)^{4}=1/2^{4}=1/16[/tex] of it left.

So, [tex]1000/16=\boxed{62.5}[/tex].

2)

Because it has a half-life of 25 days, half of it will decay after 25 days.

After [tex]25*3=75[/tex] days, there will be [tex](1/2)^{3}=1/2^{3}=1/8[/tex] of it left.

So, [tex]400/8=\boxed{50}[/tex]

3)

Because it has a half-life of 25 days, half of it will decay after 25 days.

After [tex]25*2=50[/tex] days, there will be [tex](1/2)^2=1/2^{2}=1/4[/tex] of it left.

So, [tex]300/4=\boxed{75}[/tex].

4)

The only answer left is [tex]\boxed{100}[/tex] grams. You can solve it the same way you solved the previous steps.

Find the fraction equal to 1.666

Answers

Answer: 1 2/3

Step-by-step explanation:


Please help!!!! I do not understand how to do this!! I’ll mark as Brainiest!!!!!!!!

Answers

Answer:

a c and e

Step-by-step explanation:

Find the y-intercept and the slope of the line.
- 7x - 4y = -20

Answers

Slope is 7/4, aka 1 3/4.

Y intercept is 5

Answer:

y int.=5

slope=-7/4

Step-by-step explanation:

-7x-4y=-20

+7x       +7x

-4y=7x-20

/-4 /-4 /-4

y=-7/4x+5

The sum of 1/4 and three times a number is equal to 2/3 subtracted from four times the number. Find the number.

Answers

Answer:

5

Step-by-step explanation:

One week, Sharon worked 18 hours as a lifeguard and 12 hours at a concession stand and earned $228. The next week, she earned $254 for 24 hours as a lifeguard and 8 hours at the concession stand. How much per hour does she get paid for each job?

Answers

Answer:

She is paid $6.25.hour at the concession and $8.50 as a lifeguard.

Step-by-step explanation:

We know:

18 hours as a lifeguard

12 hours at concession

Total earned = $228

18L + 12C = 228

Then:

24 hours as a lifeguard

8 hours at concession

Total earned = $254

24L + 8C = 254

Move one equation around to get one variable by itself: in this case we can solve for L:

18L + 12C = 228

18L = 228 - 12C

L = (228/18) - (12/18)C

Plug in for L:

24((228/18) - (12/18)C) + 8C = 254

Solve for C:

C = 6.25

Now that we know C, plug in value for C and solve for L:

18L + 12(6.25) = 228

L = 8.5

So she is paid $6.25.hour at the concession and $8.50 as a lifeguard.

Pls help me with this question!!!!

Answers

Answer:

The answer is A

Step-by-step explanation:

please answer this, thank you so much!! <3 :D​

Answers

Answer:  The correct answer is:  " 11 .1 " .

________

Step-by-step explanation:

Given:

" [tex]1.9h + 3.5 =[/tex] ? " ;  Solve:  when: " [tex]h = 4[/tex] " ;

________

To find the answer:

We plug in "4" for the value for " [tex]h[/tex] " ;

and performed the mathematical operations indicated.

________

 →   " [tex]1.9h + 3.5 =[/tex] [tex](1.9*4) + 3.5 = 7.6 +3.5 = 11.1[/tex] " .

________

The correct answer is:  " 11 .1 " .

________

Hope this is helpful to you!

 Best wishes!

________

Need help Asap thanks

Answers

Answer:

QS, RT

Step-by-step explanation:

All you had to do was know what congruent means and count how many marks are between w and y (it was 5), and then find the letters that also are exactly 5 markers apart.

A bike shop sells bikes for $155 each and scooters for $65 each. Write an equation to represent the cost of 2 scooters and x number of bikes.

Someone help me please.​

Answers

Answer:

c

Step-by-step explanation:

I hope this helps

A teacher receives a monthly salary of $2800.00 What is her annual salary?​

Answers

Answer:

$33,600

Step-by-step explanation:

2,800 x 12

confused on what to do for this question?

Answers

orthodox iridium procuring

Can someone give me this answer plz it’s timing

Answers

Answer:

28

Step-by-step explanation:

14x2=28

solve the equation and show work

2 (f - 2) = 3 (2f + 5) -8

Answers

answer:

f = -2.75


steps:-

2(f - 2) = 3 (2f + 5) 8


2f - 4 = 6f + 15 - 8


2f - 6f = 15 - 8 + 4


-4f = 15 - 8 + 4


-4f = 11


f = 11 ÷ ( - 4)


f = -2.75


Answer:

f=-2.75

Step-by-step explanation:

2(f-2)=3(2f+5)-8

2f-4=6f+15-8

2f-6f=7+4

-4f=11

f=-11÷4

=-11/4=-2/3/4=-2.75

A line passed through the points (1, 2) and (3,-4).
Determine the equation of that line in slope intercept
form.

Answers

The slope of the line is m = -3

The y-intercept is (0,5)

The equation of the line in the slope-intercept form is y = 5-3x

suppose denzel's score is 25, give one score that could possibly be bianca's score in the test​

Answers

Answer:

3

Step-by-step explanation:

Hello could someone help me ?

Answers

Answer:

None of the above

Step-by-step explanation:

Notice the wording "which of the following statements MUST VE TRUE..."

From the figure, we see that two angles with vertex S are congruent to two angles with vertex at Q.

There is no indication the two angles at S are congruent. There is no indication the two angles at Q are congruent.

We are not told anything about angle measures.

Answer: None of the above

Please help with this math problem!! :) Will give brainliest!!

Answers

Answer:

X=12.75

Y=12

Step-by-step explanation:

4X+8°+31°=90°

4X=90-39/4°

X=12.75°

3Y+86=8Y+26

86-26=8Y-3Y

60=5Y

Y=60/5

Y=12

Answer:

x = 12.75

y = 12

Step-by-step explanation:

To solve for x, we can see that it makes up a right angle when placed next to the 31 degrees.

We also know that the corner should equal 90 degrees, so we can set this up:

4x+8+31=90

Group like terms:

4x=51

Divide:

x=12.75

To solve for y, we can see that two expressions equal the same length, so:

8y+26=3y+86

Group like terms:

5y=60

y=12

You can also plug in x and y in to see if they match up

4(12.75)+8+31=90

51+8+31=90

90=90

and

8(12)+26=3(12)+86

96+26=36+86

122=122

please i don’t wanna fail just give me the right answer thanks<3

Answers

Answer:

number of photos: 8, 12, 20, 28, 40

time (minutes): 2, 3, 5, 7, 10

Step-by-step explanation:

Fill in the function table: y = -2(x - 1)

please help

Answers

we first substitute the x

y= -2(-2-1)

=6

and then use a calculator to do the sum

which gives us 6

y= -2(-1-1)

= 4

y= -2(0-1)

=2

y= -2(1-1)

=0

y= -2(2-1)

=-2

2r + 8 - r = -7

Combine like terms

Answers

Answer: -15

Step-by-step explanation: 2r+8-r=-7

1r +8 = -7

1/1       -15/1

Answer: r = -15

Step-by-step explanation:

2r - r = -7 -8

r = -15

someone pkease help me ;-;
What is the length of DE
A. 18
B. 12
C. 10
D. 22

Answers

Answer:

the length of DE is A) 18

Step-by-step explanation:

these triangles are similar so you need to create a proportion!

since sides DF and FE are the same, it means that AC and CB are the same!

now we have to find the hypotenuse for DE, which is X

- set up a proportion!

side AC/side AB = side DF/side DE ----> 15/27 = 10/x

- butterfly multiply to get 15x = 270

- divide both sides by 15 to isolate x

now you get --------> x = 18!

comment or message me if you are still confused or have a question!

I NEED HELP ASAP PLEASE NO LINKS!!!

Answers

Answer:

49

Step-by-step explanation:

1/7^-2 is equal to 7^-2*-1 making it 7^2 which is equal to 49.

Sunny beaches is a company that designs and makes beach balls. The beach ball shown has a radius of 8 inches. determine the volume of a beach ball in cubic inches round to the nearest hundredths

Answers

Answer:

the answer is 2143.57! hope this helps!

What is the value of x in the triangle below?
ModuleTwoPostAs...
a
>> Q
3x
T
V
8x - 30
R
15
45
6
18

Answers

Answer:

d

Step-by-step explanation:

I NEED THE RIGHT ANSWER ASAP NO LINKS!!!

Answers

Answer:

the answer is 21.8

Substitute the value of the variable into the equation and simplify.

If x is 1.9 then the equation turns into: 2(1.9+9) so

1.9+9 = 10.9. Then since it was parentheses it will go back to: 2(10.9). If any number is in parentheses and doesn’t have a plus or minus sign in-front of it, then you multiply, So 2 times 10.9= 21.8.

Thus, If x= 1.9, Then 2(x+9)= 21.8.

Hope this helps!
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