Mathematics High School

-5x = 25
what is the answer for x?

Answers

Answer 1

Answer:

i think its -5

Step-by-step explanation:

if you devide 25 by -5 you get -5

Answer 2

Answer: x = -5

Step-by-step explanation:

We can use inverse operations to solve the equation. Because the term "-5x" is multiplication (because you are multiplying x by -5), we can use division to solve the equation.

First, we will divide -5 from 25.

25 ÷ -5 = -5.

Because of this, x = -5!

If we're not sure, we can also check the equation.

-5 x -5 = 25, so the answer is true.

In conclusion, x = -5!

Related Questions

Can you solve the equation?

Answers

Answer:

x=3 and 9

Step-by-step explanation:

; x-3=0

x=3 (change side change mark)

and

[tex] \frac{2}{3} x - 6 = 0[/tex]

[tex] \frac{2}{3} x = 6[/tex]

[tex]x = 6 \times \frac{3}{2} [/tex]

change side change mark.

So, x=9

If u wanna check the answer you can check by substitution x=3 and 9 in equation.

hope it helps you ☺️

SOMEONE PLEASE HELP ME WITH THIS QUESTION!

Answers

Answer:

i dont know but i have a pic for u

Step-by-step explanation:

At most 3 because 21% of 10 people is 2.1 people so the most would be 3 according to that statistic.

Help please!! Help me with this triangle

Answers

Answer:60°

Step-by-step explanation: First, think about the rule of the degrees for all triangles. Angles must equal 180°.

Second, because all angles must equal 180°, see that the triangle given has equal sides (assuming this, because no other measurements are given).

Equilateral triangles have equal angles, meaning 60° for each angle.

Move values to the lines to complete the sentence about triangle p’ q’ r’

Answers

Do u have an attachment?? :)

Ok last question its very "hard" mods don't delete

what is 3x+12= 42

Answers

Answer:

x is 10.

Step-by-step explanation:

3x + 12 = 42

Subtract 12 from both sides

3x = 42 - 12

Subtract 12 from 42 to get 30

3x = 30

Divide both sides by 3

x = 30/3

Divide 30 by 3 to get 10

x = 10

The average cost for a gallon of gasoline in 2006 was $2.45. In 2007, the average cost of a gallon of gasoline was $3.29. What is the approximate percent of change in the cost of a gallon of gasoline?
A. 25%
B. 35%
C. 75%
D. 135%

Answers

Answer:B

Step-by-step explanation:

2.45(0.35)= 0.8575+2.45= 3.30

B. Because 2.45(0.35)=08575+2.45=3.30

3) In June a gallon of gasoline cost $2.75. In July the price increased to
$2.92. What is the percent of increase of a gallon of gasoline from June to
July? Round to the nearest tenth.

Answers

Answer:

6.2%

Step-by-step explanation:

Hard to explain, but easy. Take your new value, and subtract your initial (starting) value from the new value. In this case, it would be 2.95-2.75= 17. You now can take you difference (17) and divide it by the initial value, so 17/2.75. This gives you 6.181818182. Round to 6.2%

This block of ice needs to be wrapped in a special reflective material to keep it from melting before the ice carving competition begins. How much reflective material is needed to cover the block completely, with any overlaps?




Question 5 options:

3.1 m2

1.144 m2

3.67 m2

6.7 m2

Answers

The answer is D........

What is the answer to (a²)(a⁵)(a⁷)

Answers

Answer:

The answer would be a^70

Step-by-step explanation:

Hope this helped!! If it is wrong please tell me and I will re-check my answer. :)

Since there are parenthesis you just multiply the exponents and get A^70

Hope this helps

can someone help I will give the brainliest Plz help u will get 50 points

Answers

Answer:

B.) 6

2.) 70

3.) 56

Step-by-step explanation:

B.) 2(6) - 6

= 12 - 6

=6

2.) 7(2(3)+4)

=7(6+4)

=42+28

=70

3.) 10(3) + 4(3) + 14

= 30 + 12 + 14

= 42+14

=56

Have a wonderful day

:)

Solve for x

x = ____

30
45
22.5​

Answers

Answer:

45

Step-by-step explanation:

x+3x+90=180

4x=180

X=45

Can you help me please?

Answers

Answer:

yes

Step-by-step explanation:

you can use the vertical line test- for every line going up and down there should only be one point. if there is one and only one, it's a function. if there are more than one per line, then it is not a function.

Help I need this now

Answers

Answer:

There is no question showing up so I dont know how to help u

Step-by-step explanation:

What is the correct factorisation of?
X^2+6x+8​

Answers

Answer:

Step-by-step explanation:

Given that: x  

2

+6x+8

                 =x  

2

+4x+2x+8,        (split middle term)

                 =(x  

2

+4x)+(2x+8),    (group pair of terms)  

                 =x(x+4)+2(x+4),         (factor each binomials)

                 =(x+4)(x+2),              (factor out common factor (x+4)

Hence factors of x  

2

+6x+8 are (x+4)(x+2)

x² + 6x + 8

= x² + 4x + 2x + 8

= x(x+4) + 2(x+4)

= (x+4)(x+2)

Simplify 5a – (2a + 6)

Answers

Answer:

Step-by-step explanation:

Add '-2a' to each side of the equation.

5a + -2a = -6 + 2a + -2a

Combine like terms: 5a + -2a = 3a

3a = -6 + 2a + -2a

Combine like terms: 2a + -2a = 0

3a = -6 + 0

3a = -6

Divide each side by '3'.

a = -2

Simplifying

a = -2

5a -2a -6

3a -6

Step-by-step explanation:

..........................

170 in ratio of 9:8 sorry I’m not to good at math

Answers

Answer:

if 170 is subbed for 9, then the answer is 151.111111111(continued) and if its in the 8, then the answer is 191.25

Step-by-step explanation:

hope this helps

14 is whatpercent of 25

Answers

Answer: the answer is 56

Hope this Help

Step-by-step explanation:

100%= 25

X%= 14

100%=25(1)

X% = 14(2)

100%/x% = 25/14

X%/ 100% = 14/25

X=56%

What is the area of the shaded region?
26 km
35 km

Answers

Answer:35/2=17.5*26= ?

Step-by-step explanation:

Evaluate 2x when x = 4

COULD SOMEONE HELPP

Answers

8. Because 2x means 2 times x
x is 4 so 2x4=8
Answer: 8

Since x=4
You will multiply 2x
X means 4 basically cause it says what it is equal to then all you do is:
2x4=8

And if you wanna learn more of these types of questions I’ll help you in the comments! (:

plz help this is what might get m to a 100 so plz help me

Answers

Answer:

I'd say it's the first dot in from the left (close to 2.4)

Step-by-step explanation:

the square root of 6 is 2.4494, and that's very close to 2.4

Help me please:( I need it

Answers

Answer:

y = 18

Step-by-step explanation:

30² = 24²  + y²

900 = 576 + y²

y = [tex]\sqrt{324}[/tex]

y = 18

answer this question​

Answers

It’s facing the left to its negative and if you count rise over run then the slope is -3 so

Correct answer is the last option
The answer is the last choice

help i need help i really really need help no cap

Answers

5.83, 0.5, 0.085
your welcome
5.83, 0.5, 0.085 that’s the answer :)

Plssss help meee I need help

Answers

Answer:

no

Step-by-step explanation:

[tex]29^{2} \neq 20^{2} + 26^{2}[/tex]

You are building a door frame. The two sides are parallel and the top and bottom are also parallel. Which additional statement(s) give enough information to conclude that the door frame forms a rectangle?

Answers

Answer:

you would take away the bottom

Step-by-step explanation:

The cross country team practices by jogging on
the town’s streets. The average jogging rate
is 6 mi
les per hour. One member jogged for
3.5 hours one weekend. How many mi
les did
the team member jog?

Answers

21 miles because 6x3+3
21 miles because 6x3+3 I took the other persons answer lol

Theo earned £15400 last year and spent 6% of his money on making home improvements. Find how much money Theo spent on home improvements last year.
Give your answer to the nearest penny.

Answers

Answer:

15400 ÷ 6/100

Step-by-step explanation:

next step do yourself

I hope it will help you

In your own words what is the definition of reflection (in geometry)

Answers

Answer:

a reflection is an isometry, which means the original and image are congruent, which can be reffered to as a flip

Step-by-step explanation:


Find the slope of the line segment.

Answers

Answer:

Option 3

Step-by-step explanation:

-2/3 since the line is a total of 3 the 2 is negative which would make it the answer meaning that is the only negative option.

10) using opposite operations solve for x

30 = - 6 x + 12

Answers

X=-3 that’s the answer your welcome
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