i need help on the math question if it's right I'll give brain.​

I Need Help On The Math Question If It's Right I'll Give Brain.

Answers

Answer 1

Answer:  \frac{2}{5}  ; or, write in decimal form:  0.4 .

Step-by-step explanation:

Rewrite as:

_______________________

    [tex]\frac{4x}{7} = \frac{8}{35}[/tex] ;

________________________

Now, "Cross-factor multiply":

that is:

_____________________

 → Given:   [tex]\frac{a}{b} =\frac{c}{d}[/tex]  ;

    → ad = bc ;  (b≠0 ; d≠0) ;

_____________________

As such:

 4x * 35 = 7 * 8 ;

_______________________

We can divide one side of the equatiuon by "4" ; and one side by "7" :

  [tex]\frac{4x*35}{4*7} = \frac{7*8}{4*7}[/tex] ;

_______________________

We can simplify the "left-hand side":

 "4/4 = 1 " ; and "35/7 = 5 " ; & we are left with "x * 5" ; or "5x " .

________________________

We can simplify the "right-hand side":

 "7/7 = 1 " ; and: "8/4 =2 " ; to get: "2/1" ; which equals "2".

_________________________

So; we have:  " 5x = 2 " ; Solve for "x" ;

__________________________

  Divide each side of the equation by "5" ; to isolate "x" on one ide of the equation; & to solve for: "x" ;

__________________________

  " 5x/5 = 2/5 " ;  We cancel out the "5x/5" to "1x"; which equals "x":

    → x = [tex]\frac{2}{5}[/tex]  ;  or, write in decimal format:  "x = 0.4" ;

___________________________

\frac{2}{5}

____________________________

Hope this is helpful!  Best wishes in your academic pursuits—and within the "Brainly" community!

____________________________

Answer 2

Answer:

[tex]x = 0.4[/tex]

Step-by-step explanation:

[tex]\frac{7}{4} x \frac{4}{7} = \frac{7}{4} x \frac{8}{35}[/tex]

Reduce the number with the greatest common factor 7

[tex]\frac{1}{4} x 4x= \frac{7}{4}x\frac{8}{35}[/tex]

[tex]x=\frac{7}{4}x\frac{8}{35}[/tex]

[tex]x=7x\frac{2}{35}[/tex]

[tex]x=\frac{2}{5}[/tex]


Related Questions

URGENT!

need help


...

Answers

Answer:

92°

Step-by-step explanation:

If ΔABC ≈ ΔPQR then ∡A = ∡P

∡P is 92° so ∡A is 92°

Answer:

92 degrees

Step-by-step explanation:

Find the difference.
(6d+5) - (2-3d)

Answers

Answer:

=6d+5-2+3d

=9d+3

=3(3d+1)

hope it helps.

Answer:

beb gfnv mor

join fasttttt

Graph the line that passes through the points (-9,5) and (-9,-5) and
determine the equation of the line.

Answers

Answer:

x=-9

Step-by-step explanation:

M(slope)=y2-y1/x2-x1

m=-5-5/-9+9

m= -10/0

This means the slope is undefined. Whenever the slope is undefined, the line is vertical and is passing through the x-axis and parallel to the y-axis. Take the given coordinate (-9,5) and all you do is put x= -9. That's the equation of the line.

Grace is practicing for an upcoming piano recital.
The graph shows the hours she spent practicing over a 4-week period.

Answers

Answer:

The relationship is proportional.

The points form a straight line that passes through the origin.

Step-by-step explanation:

Answer:

The pionts lie on a straight line that goes through the origin

Step-by-step explanation:

cuz i got it right

5 / 7 ( k + 5 ) = -7

Answers

5/7(k + 5) = -7
5/7k + 25/7 = -7
5k + 25 = -49
5k = -74
k = -74/5
:)

PLEASE HELPP I WILL GIVE BRAINLIEST
write the slope intercept form of the equation of each line

Answers

Answer:

Y= - 1/5x-4

Step-by-step explanation:

slope intercept form: y=mx+b

Slope formula: rise/run

(5,-5) AND (0,-4)

-5+-4= -1

 5+0=  5 AKA - [tex]\frac{1}{5}[/tex] or -1/5

The m in y=mx+b is the slope, the equation above is the sloe formula meaning -1/5 is the slope. The b is the y, when it is at 0. The y at 0 for this equation is -4. Thus, when plugging in the equation, y=-1/5x-4

Alexis simplified 14/42 to 1/3 by using the greatest common factor (GCF) of 14 and 42

What number did alexis use?

A. 2
B. 14
C.42
D. 84​

Answers

Answer: 14

Step-by-step explanation:

help i need help again fast​

Answers

Answer:

donkey kong

Step-by-step explanation:

ssasdasdasdasdasdasda

Answer:

its c

Step-by-step explanation:

16 can be written as:
O
A. 22

B. 44

c. 24
D. 82
E. 28

Answers

Answer:

2^4

Step-by-step explanation:

2^2 = 2 * 2 = 4

4^4 = 4*4*4*4 = 256

2^4 = 4*4 = 16

8^2 = 8*8 = 64

2^8 = 2*2*2*2*2*2*2*2 = 256

Hence, 16 can be written as 2^4

Thus, Answer is [C] 2^4

[RevyBreeze]

Type the correct answer in the box. Use numerals instead of words.
C
D
B
In the figure, angle B measures 44º, angle A measures 62°, and angle E measures 50°
Complete the equation to solve for f, the measurement of angle F.
f= 180° - 50° -

Answers

the answer is 77 enjoy please like seroislyyyyyy round 50 cold war zombies!!!

Answer:

the answer is 77 please enjoy

Step-by-step explanation:

5x+2=7x-4. Plz answer my question

Answers

Answer:

x=3

Step-by-step explanation:

5x+2=7x−4  

5x+2−7x=7x−4−7x

−2x+2=−4  

−2x+2−2=−4−2

−2x=−6

-2x/2=-6/2

x=3

name the x- and y- intercepts for equation 2x- y=6

Answers

Answer:

i dunno this im in third grade

Step-by-step explanation:

The y intercept is -6
The x intercept is 3

5c -4c +с - 3с
Help please

Answers

Answer:

cannot factor

Step-by-step explanation:

Because they cannot be factored in any other way, we say that they cannot be factored.

Answer:

-2c

Step-by-step explanation:

5c -4c +с - 3с

-1c+c-3c

c-3c

-2c

I reallyyyy need help and i gotchu wit a lot of points if you can help me

Answers

Answer:

a. $14.99k + $24+ $25 = x

b. $14.99(3) + $24+ $25 = x

   $44.97 + $24 + $25 = $93.97

Step-by-step explanation:

Answer:

i) C= $14.99 k + $24

ii) $93.97

Step-by-step explanation:

Let the number of models be represented by -----------k

Let the amount spent on books to be--------$24

The equation that represent amount spent in the mall is given as;

C= $14.99 k + $24   ---------------where ;

C= the equation for the total amount spent in the mall

k = the number of plane models

ii)

Using the equation : C= $14.99 k + $24    and if k = 3 and the amount spent on the store is $25  then ;

C= $14.99 * 3 + $24 = $44.97 + $24 = $68.97

C+ 25 = $68.97 + 25 =$93.97

The number of sunflowers (s) in the garden is one more
than twice the number of roses (r):
is it inequality it not
what's its inequality model—×?? ​

Answers

Answer:

s = 2r + 1

Step-by-step explanation:

Number of sunflower (s) is 1 more than twice the number of roses (r)

Mathematically ;

Number of sunflower = 1 + 2 * number of roses

Sunflower = s ; roses = r

s = 2r + 1

We want to study the relation between the number of sunflowers and roses, we will see that it is an equation and the equation is:

s = 2*r + 1

So we know that the number of sunflowers is one more than twice the number of roses, notice that it represents an equation (so it is not an inequality)

And the equation can be written as:

s = 2*r + 1

The number of sunflowers is 2 times the number of roses, plus 1.

If you want to learn more, you can read:

https://brainly.com/question/11897796

f(3) = 3x² +b For the function, f, defined above, f(4) = 49. What is the value of b?

Answers

Answer: 5.4~

Step-by-step explanation:

For the problem F(3) = 3x^2 +b, you have to first figure out what F(3) is and in this case it is 49, so now you have part of the question solved. Then you start working on the other side of the equation 3x^2 +b = 49, we don't know what x is so lets figure it out, by that you need to do 3x^2, the equals 9. So, so far we have the equation 49 = 9x +b. Now we need to get rid of the x on the 9, having a variable is considered multiplying so you need to divide 9 by 9, but remember what you do to one side you have to do to the other, so now you have to divide 49 by 9 and you get 5.444444444. Now the equation is b=5.4~ meaning that b is around 5.4, I hope this helps.

DESPERATE WILL GIVE BRAINLIST AND THANKS
A right rectangular prism is shown.

What is the length of DH¯¯¯¯¯¯ to the nearest tenth of an inch?

Drag and drop the answer into the box.

Response area in.
1.82.43.55.4
A cuboid with points labeled from A to H. It has a height of 3 inches, a width of 1.5 inches, and a depth of 1 inch.

A.3.5
B.1.8
C.2.4
D.5.4

Answers

Answer:

Step-by-step explanation:

Sorry but there's know question.

Answer:

3.5 Inches

Step-by-step explanation:

slope = 3/4 ; (2,2) Identify the slope intercept form for the line with the given slope that contains the given point.​

Answers

Answer:

y=3/4x+1/2

Step-by-step explanation:

y-y1=m(x-x1)

y-2=3/4(x-2)

y-2=3/4x-3/2

y=3/4x+1/2

Y=3/4x + 1/2. Fórmula= y=Mx+b

Find the missing length indicated
i will give brainliest to first correct answer
HELP!!

Answers

Answer:

the answer is B. I hope this helps

Step-by-step explanation:

would you like me to explain?

Answer:

I guess (A) 24 is the correct answer

Use the Distributive Property to expand
2(5x - 6y)- 4 =

Answers

Answer:

10x - 12y - 4

Step-by-step explanation:

2 x 5x = 10x

2 x 6y = 12y

put it all back together again

Answer:

x= 0.4+12y/10

Step-by-step explanation:

10x - 12y = 4

10x = 4 + 12y

x= 0.4+12y/10

A construction company can remove 25,200 pounds of dirt from a construction site in 8 hours.

Answers

Answer:

yes they can how efficient

Step-by-step explanation:

Question 1
Solve: 25.6 - 5y + 15. 3

Answers

Answer:

40.9 - 5y

Step-by-step explanation:

25.6 - 5y + 15.3

40.9 - 5y ## ^ combine like-terms

What is the value of y? Show you’re work

Answers

Answer:

Y = 32

Step-by-step explanation:

First traingle is 180 degrees

So 180 - 52 = 128

Then 2y + 2y = 4y

So now 128/4 = 32

If you wanna checl ur answer just put the number in and check if it equal to 180

36 is 80% of what number?


Enter your answer in the box

Answers

Answer:

36 is what percent of 80? = 45.

Answer:

45

Step-by-step explanation:

46/80%

pretty simple I hope this helps you

B.
-2x + 8 = y
3x - y = 22

How do I solve it

Answers

answer

x=6, y=-2

explanation

-2x + 8 = y -------equ 1

3x - y = 22 -------equ 2

u can use any of the simultaneous equation method

using elimination method

rearrange first from -------equ 1

-2x+8=y

-y-2x=-8

multiple through by -1

y+2x=8 -------equ 3

rearrange first from -------equ 2

3x-y=22

-y+3=22 ------equ 4

equate 3 and 4, adding them together

y+2x=8 -------equ 3

-y+3=22 ------equ 4

0+5x=30

5x=30

x=6------equ 5

replace 6 for x in any equation

using -------equ 3

y+2x=8

y+2(5)=8

y+10=8

y=8-10

y=-2

Answer:

(x, y)=(6, -4)

Step-by-step explanation:

-2x+8=y

3x-y=22

Substitute the given value of y into the equation 3x-y=22

3x-(-2x=8)=22

Solve the equation for x

x=6

Substitute the given value of x into the equation 3x-y=22

3x6-y=22

Solve the equation for y

y=-4

The possible solution of the system is the ordered pair (x, y)

(x, y)=(6, -4)

Check if the given ordered pair is the solution of the system of equations

-2x6+8=-4

3x6-(-4)=22

Simplify the equalities

-4=-4

22=22

Since all of the equalities are true, the ordered pair is the solution of the system

(x, y)=(6, -4)

4. Simplify the expression by combining like terms. 8a+6b+5a+2b *

A. 13a+6b-2b
B. 17ab
C. 13a+8b
D. 13a+4b

Answers

Answer:

C

Step-by-step explanation:

Add the like terms, the a's by themselves and b's by themselves.

8a+5a=13a

6b+2b=8b

so 13a+8b

C

What is the solution of each equation?

2(h - 8) - h = h - 16

a

no solution

b

infinitely many solutions

c

8

d

-8

Answers

The correct answer is b

Least to greatest
8/9 0.51 3/5

Answers

.51 then 3/5 then 8/9

Answer:

0.51 ,8/9, 3/5

Step-by-step explanation:

that is pretty self explanatory, i hope that helps!

20% of what number is 36?
Provide an exact fraction answer. (Mixed fraction) please show how you got your answer ;) Thank you in advance

Answers

Answer:

180

Step-by-step explanation:

180 * .2 = 36

20% is the same thing as 1/5 of something, so read the question again,

"36 is 1/5 of what number?"

Multiply 36 by 5 to get 180

Double check yourself by finding 20% of 180

180 * .2 = 36

Hope this helped, queen!

Solve the following system of equations.
3x + 5y = 5
7x + 5y = 25

i need the value of x and y.

Answers

Answer:

x=5 and y=-2

Step-by-step explanation:

3x+5y=5

-(7x+5y=25)

-4x=-20

x=5

plug 5 into one of the equations. 3(5)+5y=5

y= -2

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