1) Ao somar o quíntuplo de um número com 5², o total é 300. Considerando x como a incógnita. Qual o valor de x?
a)25
b)5
c)325
d)55

2) O triplo de um número aumentado do dobro desse mesmo número é igual a 100. Considerando a incógnita como y, qual o valor de y?
a)100
b)20
c)24
d)5

3) A metade de um número, menos 21, é igual a -5. Considere x o valor a ser determinado. É correto afirmar que x é igual a?
a)52
b)-32
c)32
d)16

4)Ao resolver a expressão y - 30 = 3 . 15, qual o valor de y?
a)75
b)65
c)55
d)45

5)Observe a equação 3x + 72 = 104. Qual descrição abaixo corresponde a ela?
a)A soma entre o triplo de um número e 72 é igual a 104
b)O triplo de um número subtraído de 104 é igual a 72
c)O triplo de 3 é igual a 104 somado a 72

6) Quando subtraímos 50 do triplo um número, obtemos 40. Qual equação representa essa afirmação?
a)3x = 50 - 40
b)3x - 50 = 40
c)3x = 40 - 50

7) Determine a solução das seguintes equações do 1º grau com uma incógnita. 63y + 75 = 327. Qual o valor de y=?
a)2
b)4
c)6
d)8

8) Determine a solução das seguintes equações do 1º grau com uma incógnita. 13x - 100 = 8x. Quanto vale x=?
a)18
b)19
c)20
d)21

9) Determine a solução das seguintes equações do 1º grau com uma incógnita. 10 (x + 1) - 8 (x - 2)= 30 . Quanto vale x=?
a)1
b)2
c)4
d)8

10) Determine a solução das seguintes equações do 1º grau com uma incógnita. 10 + 9y = 100. Quanto vale y=?
a)9
b)10
c)11
d)12

Answers

Answer 1

Answer:

Huh?

Step-by-step explanation:


Related Questions

The sum of 3 consecutive odd integers is 36. Whal
consecutive odd integers

Answers

[tex]\huge\pink{Answer}[/tex]

Any odd number can be represented with 2n+1 where n is a whole number. Also, since the next consecutive number will be even (2n+1+1), then the next consecutive odd number must be 2n+1+2, or 2n+3. Since consecutive odd numbers are separated by 2, then the previous odd number should be 2n-1. So:

2n-1+2n+1+2n+3=366n+3=366n+3-3=36-36n/3=33/32n=11

Now in order to find three odd consecutive numbers that will sum to 36, you must be able to divide 11 evenly by 2, and have a whole number as a result. This is impossible, so there aren't any 3 odd numbers that will sum to 36.

HOPE IT HELPS ☺️

Need help plz and thnks

Answers

Answer: y=13

hope this helps!

NUMBER 4!!!!!!! if m∠JKP= 67°, find m∠NKO

Answers

Answer:

Step-by-step explanation:

I have some sympathy for the way the questions have been set up and numbered.

The givens are that the two lines that look like they are perpendicular, are perpendicular.

<JKP = 67                    Given

<PKL = 180 - 67          < PKL is supplementary to <JKP

<PKL = 113

<PKM = 113 - 90 = 23

Here's what you want to know. <NKO = PKM because they are vertically opposite angles.

Therefore NKO = 23 degrees.

JL is perpendicular to MN, then

m ∠NKO= 23°

Given :

JL is perpendicular to MN and the m∠JKP= 67°

we need to find out m∠NKO

we know that JL is perpendicular to MN.  so, <JKN makes an right angle .

m ∠JKN = 90°

PO is a straight line . It makes an angle 180 degree

m ∠JKP +m ∠JKN +m ∠NKO =180

[tex]67+90+m<NKO=180\\m<NKO=180-90-67\\m<NKO=23[/tex]

m ∠NKO= 23°

Learn more :  brainly.com/question/17313084

Hey! This is due today and I’m lowkey not having a good brain day, could you help?

Answers

1,7
2,10
3,5
4,7
5,7 and for the second question the answer is 5 students

If Ryan gives 2/6 of his 36 cards to Max, how many cards does he give Max?

Answers

Answer:

Hi there

Your answer is

He gives Max 12 cards

Step-by-step explanation:

2/6 of 36

2/6 * 36/1

72/6=12

12 cards is 2/6th of 36 cards

Answer:

12

Step-by-step explanation:

(2 / 6) * 36= 12.

Please help :(

Find the value of X in the triangle shown below.​

Answers

Answer:

x = 33°

Step-by-step explanation:

All angles in a triangle add up to 180°.

Step 1: Set up equation

x + 114 + 33 = 180

Step 2: Solve for x

Combine like terms: x + 147 = 180Subtract 147 on both sides: x = 33

Do you have a babysitting job that pays 8.50an hour your total pay for this week was 136 right and solve an equation to find the number of hours I babysat this week

Answers

Answer:

gfdhzhjdzg

Step-by-step explanation:

fjrfyijyfj

4(3x-8)-4 = 24
12x-32-4= 24
12x-36 = 24
12x = 60
X=5
What methods did she use and in what order did she use them?

Answers

Answer:

C

Step-by-step explanation:

Find the x-coordinate of Q' after Q(-2.5) was reflected over the line y = -x + 4.

Answers

Answer:

Q' would be (5, 6)

What is the value of 19,356 ÷ 59?

Answers

Answer:

Approximately 328.067

Step-by-step explanation:

The value of 19,356 ÷ 59 is approximately 328.068.

Full Answer: 328.06779661

What's the circumference of a circle with a diameter of 9 inches?​

Answers

Answer:

9pi

Step-by-step explanation:

circumference= 2 (pi) (r)

radius = diameter \ 2

r = 9 \ 2 = 4.5in.

c = 2 (pi) (4.5)

c = 9pi or 28.3in.

Hope this helps!

Which is correct equation , in slope intercept form , for the line described below?


x-intercept =-2
Y-intercept=6

Answers

Answer:

[tex]y=3x+6[/tex]

Step-by-step explanation:

Equation of the line

The equation of the line in slope-intercept form is:

[tex]y=mx+b[/tex]

Being m the slope and b the y-intercept.

We are given two points for the required line: The x-intercept is -2, thus the point is (-2,0), and the y-intercept b=6 represents the point (0,6).

Since the value of b is 6, we use the first point to find the slope:

[tex]0=m(-2)+6[/tex]

Solving:

m=3

The correct equation of the line is:

[tex]\boxed{y=3x+6}[/tex]

Franco begins to save for a new Lego set that costs $65. His parents gave him $35 towards the cost
and he plans to save $5 per week. Define all unknown variables. Write an equation modeling the total
amount he has saved.

Answers

Answer:

65-35=30

30 divided by 5 = 6

Step-by-step explanation:

First you have to subtract 65-35, which equals 30.

Then the problem says he plans to save 5 each week. That means he should get his lego set in 6 weeks, because 30 divided by 5 = 6

65-35=30

30 divided by 5 = 6

A hiker is 3.5 miles from her campsite when she begins to walk back to it. She hikes back toward the campsite at a constant rate of 2.1 miles per hour.
Which equation models the distance of the hiker from her campsite? (Let m represent her distance, in miles from the campsite and h represent the number of hours since she begin walking back.)
O m= 3.5+ 2.1h
Om= 3.5h - 2.1
O m = 3.5h + 2.1
m = 3.5 - 2.1h

Answers

I really don’t understand it but can you do a little more explaining

Which equations have the variable term isolated to one side of the = and the constant isolated to the other side free equation 1/5 X +1/3 equals -1/2 X +8/3 what select all that apply

Answers

Answer:

2 and 3

Step-by-step explanation:

How many terms are in the expression 1 over 6x - 18y + 9z - 2 =

Answers

Answer:

I believe there are four terms in this expression.

If A = lw, find the width of a rectangle with a length of 30 miles and an area of 210 square miles.
O 70 miles
7 miles
o miles
6300 miles
10
11
12

Answers

Answer:

Yes and no nor

Step-by-step explanation:

The total number of calories consumed by Ethan when eating French fries varies directly with the number of French fries that Ethan eats. Ethan eats 16 French fries and consumes 224 calories. How many French fries does Ethan eat if he consumes 406 calories?

Answers

Answer:

29 French fries

Step-by-step explanation:

Total number of calories consumed by Ethan when eating French fries varies directly as the number of French fries that Ethan eats

The first step is to calculate the constant k

No of calories= k × no of French fries

k = No of calories/No of French fries

k = 224/16

k = 14

Therefore the number of French fries eaten by Ethan if he consumes 406 calories can be calculated as follows

No of French fries= No of calories/k

= 406/14

= 29

Hence Ethan eats 29 French fries if he consumes 406 calories

PLEASE HELP

What would be the title of this chart?​

Answers

Answer:

students per pizza topping

Step-by-step explanation:

cuz it's telling u how many students want each topping

a + 65 = 92
please help​

Answers

Answer:

a=27

Step-by-step explanation:

Answer:

a = 27

Step-by-step explanation:

a + 65 = 92

subtract 65 from both sides

a = 27

what is the value of x??

Answers

Answer:

[tex]\displaystyle 25 = x[/tex]

Step-by-step explanation:

You are given the angle of the whole set, so set both expressions equivalent to the given angle measure:

[tex]\displaystyle 166° = 66° + [4x]° \hookrightarrow \frac{100}{4} = \frac{4x}{4} \\ \\ \boxed{25 = x}[/tex]

I am joyous to assist you at any time.

Which triangle defined by three points on the coordinate plane is congruent with the triangle illustrated in quadrant 1? Why?

A. (-5, -5) (-3, -1) (-3, -5) because corresponding pairs of angles are congruent

B. (-10, -10) (-6, -10) (-6, -2) because corresponding pairs of angles are congruent

C. (-5, -5) (-3, -1) (-3, -5) because corresponding pairs of sides and corresponding pairs of angles are congruent

D. (-10, -10) (-6, -10) (-6, -2) because corresponding pairs of sides and corresponding Pairs of angles are congruent

Answers

Answer: C. Explanation: congruent triangles must have both equal angles and equal sides. The triangles with vertices at (-5, -5), (-3, -1), and (-3, -5) has the same proportions as the parent triangle, making them congruent.

what is the slope or yhe line yoing through (-2,-1) (1,2)

Answers

Answer:

Slope: 1

Step-by-step explanation:

You can find the slope by doing change in y/change in x.

Change in y is 3

Change in x is 3

So 3/3 is 1, and the slope is 1

Biologist Dr. Cytoplasm wants to know how many elephants in the nature reserve have broken tusks . Of the 30 elephants that he observes in random places in the reserve, he counts 8 elephants with broken tusks. Of the 600 elephants in the reserve, how many can he expect to have broken tusks?

Answers

Answer:

Of the 600 elephants that he observes in random places in the reserve, he counts [tex]\frac{8}{30}(600)=160[/tex] elephants with broken tusks.

Step-by-step explanation:

Let x denotes number of elephants having broken tusks out of 600 elephants.

Of the 30 elephants that he observes in random places in the reserve, he counts 8 elephants with broken tusks.

So,

Of the 1 elephants that he observes in random places in the reserve, he counts [tex]\frac{8}{30}[/tex] elephants with broken tusks.

Therefore,

Of the 600 elephants that he observes in random places in the reserve, he counts [tex]\frac{8}{30}(600)=160[/tex] elephants with broken tusks.

Solve for .
Enter the solutions from least to greatest.
-x^2-8= -33
lesser x =
greater r =

Answers

Answer:

x = -5, or x = 5

Step-by-step explanation:

First, add both sides by 8: -x^2 = -25

Then, multiply both sides by -1: x^2 = 25

Lastly, take the square root of both sides: x = -5, or x = 5

Answer:

lesser -5

greater 5

Step-by-step explanation:

khan academy

2x - 6
x + 1
Find the value of x

Answers

i think x=7 but i’m not exactly sure

48.073 rounded to the nearest hundredth

Answers

Number: 48.073

Nearest: hundredths (2 decimal)

Result: 48.07

          hope this helped and hope its correct tell me it its not !!!

Which pair of numbers has a GCF of 6?

a.) 2 and 12
b.)8 and 24
c.)12 and 18
d.)1 and 6

Answers

c) 12and 18
...............
The answer is D because

Given: Jennifer sings alto in the school choir. The choir has four voice parts. The female voice parts are soprano and alto. The male voice parts are tenor and bass. What conclusion can be drawn?
A Jennifer sings a female voice part in the choir.
B There are no basses in the choir.

Answers

A the answer is definitely A for sure

The answer is a

Anybody pls help me. Plus, working. Thank you ​

Answers

I hope my answer can help you.

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