what's the value for x makes this equation true 3/5 X-0.5=19
Answer:
what's the value for x makes this equation true 3/5 X-0.5=19 HERE YOU GO!!
Step-by-step explanation:
-5x - (-7 - 4x) = -2(3x - 4)
-5x + 7+ 4x = -6x + 8
-x + 7= -6x + 8
5x = 8 - 7
5x = 1
x = 1/5
An equation is a mathematical statement that is made up of two expressions connected by an equal sign.
The value of x that makes the equation 3/5x - 0.5 = 19 true is 32.5.
What is an equation?An equation is a mathematical statement that is made up of two expressions connected by an equal sign.
Example:
2x = 4 is an equation.
3x = 6 + 5 is an equation.
We have,
3/5x - 0.5 = 19
Add 0.5 on both sides.
3/5x = 19 + 0.5
3/5x = 19.5
Multiply 5/3 on both sides.
x = 19.5 x 5/3
x = 32.5
Thus,
The value of x that makes the equation 3/5x - 0.5 = 19 true is 32.5.
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Donner un encadrement d’amplitude 10^-p des réels donner, l’entier p étant précisée pour chaque cas
Steve and Brian are both avid bicyclists. Each week, Steve rides for a total of 2x hours at an average speed of x miles per hour.
sBrian rides 6 more hours a week than Steve, but at an average speed that is 4 miles per hour less than Steve's average speed.
Which of the following functions will give the total distance that Brian rides each week, in miles?
Answer:
m(x) = 2x^2 - 2x - 24
Step-by-step explanation:
We will use the speed formula for this.
d/t = s
d is distance
t is time
s is speed
since we are looking for a function that gives the distance, we must rewrite
the equation to have d on one side of the equation by itself. We will do this by multiplying both sides by t.
(d/t)t = (s)t
which simplifies to:
d = st
Now we must find out what s and t are.
t: Steve's time riding is 2x hours, and Brian's is 6 more hours, so
Brian's time riding is 2x + 6.
so t = 2x + 6.
s: Steve's speed is x mph. Brian's is 4 less than that so
s = x - 4.
Now we can plug in what we know the the formula we made: d=st
d = (2x + 6)(x-4)
now we can FOIL.
(2x)(x)= 2x^2
(2x)(-4)= -8x
(6)(x) = 6x
(6)(-4) = -24
d = 2x^2 - 8x + 6x - 24
simplify:
Answer: d = 2x^2 -2x - 24
p.s. This was my first time answering a question on Brainly, sorry if it
was not explained well. Let me know if you have questions.
pls help me with this
Answer:
I would say 3
Step-by-step explanation:
Most reasonable
Triangle ABC is graphed in the xy-coordinate plane, as shown.
You may interact with the applet to help answer the questions,
Triangle ABC is reflected across the y-axis to form
AA'B'C'. What are the coordinates of B' after the
reflection?
А
B' (2, - 1)
A 6
5
B
B' (2, 1)
4.
С
B'(-2, 1)
3
С
2
D
B' (1, 2)
1
-8-7 -6 -5 -4 -:B
-1.
1
1 2 3 4
5 6 7
-2
-3
-4
-5
-6
-7
to
Answer:
that will be A
Step-by-step explanation:
Can someone double check this?
Answer:
you good my guy
Step-by-step explanation:
A vertical line passes through the point (–3, 5). Which point is also on this line? *
2 points
Captionless Image
(0, 0)
(5, –3)
(–3, –4)
(–1, 5)
Answer:
-3 -4
Step-by-step explanation:
Solve each system by using substitution
X= Y - 2 4X + Y = 2
Answer:
10
Step-by-step explanation:
Answer:
(0, 2 )
Step-by-step explanation:
Given the 2 equations
x = y - 2 → (1)
4x + y = 2 → (2)
Substitute x = y - 2 into (2)
4(y - 2) + y = 2
4y - 8 + y = 2
5y - 8 = 2 ( add 8 to both sides )
5y = 10 ( divide both sides by 5 )
y = 2
Substitute y = 2 into (1) for corresponding value of x
x = 2 - 2 = 0
Solution is (0, 2 )
Yesenia swims laps at a pool. For every 10 laps she swims the backstroke, she swims 15 laps of freestyle. Which ratio shows the number of laps Yesenia swims the backstroke to the number of laps she swims freestyle?
Answer:
2:3
Step-by-step explanation:
Answer:
2-3
Step-by-step explanation:
In parallelogram JKLM, what is the relationship between angle j and angle k?
j° + k° = 180°
j° = k°
j° = -k°
j° - k° = 180°
1 of 4
Answer:
since j&k are interior angles if I added they should come up to 180° so j + k is equals to 180° yeah that's the answer
LOTS OF POINTS!!! HELP WITH 7 ANd EXPLAIN!!
Answer:
w=4
Step-by-step explanation:
The surface area of a prism is SA= 2lw+2lh+2hw
We are trying to find out the width if the SA is 240 square inches, length is 12 inches, and the height is 5 inches. Let's plug these numbers into the equation.
240=(2*12*w)+(2*12*5)+(2*5*w)
24w+120+10w
240= 34w+120
-120 -120
120= 34w
120/34 = 34w/34
w is approximately equal to 3.5 which can be rounded to 4
w=4
Hope this is right! It was confusing at first but I understood it!
Simplify 12 + 3(2x - 3) + 4
Answer:
Subtract
9
from
12
.
6
x
+
3
+
4
Add
3
and
4
.
6
x
+
7
Step-by-step explanation:
Find S, for the series below.
-3,-1, 1, 3, 5, ...
S6 =
s6 = 7
Step-by-step explanation:
you have to see what kind of pattern is going on in this case it's +2 -3 to -1 is +2, -1 to 1 is +2 and so on so apply that rule to 5 and you'll get the answer 5 + 2 is 7 and that's why it's 6th term in S!!I hope this helped
Solve for f.
8 = 2f + 2
Answer:
f = 3
Step-by-step explanation:
8 = 2f + 2
-2 -2
6 = 2f
/2 /2
3 = f
−5(3p+3)+9(−7+p) please solve this help.
iinstall microsoft math and do you task
(3x – 70)
(3y + 40)°
120°
X
Answer:
x=250
Step-by-step explanation:
Is the GCF right yes or no.
Answer:
yes
Step-by-step explanation:
Answer:
YES, THE GREASTEST COMMON FACTOR IS 7
Step-by-step explanation:
42 = 2 X 3 X 7
154 = 2 X 7 X 11
Which statement about the ordered pairs (3, -8) and (4, 4) is true for the equation 3x - y/4 = 11?
A. Neither ordered pair is a solution.
B. Both ordered pairs are solutions.
C. (4, 4) is a solution to the equation but not (3, -8).
D. (3, -8) is a solution to the equation but not (4, 4).
Answer:
Neither ordered pair is a solution.
Step-by-step explanation:
If we substitute an ordered pair which is the correct solution, we will obtain the value at the right hand side of the equation.
Now let us try it;
Substitute (3,-8)
3(3)-(-8)/4 = 9 +8/4 =17/4
Again;
3(4) - 4/4 = 8/4 =2
Hence, none of the ordered pairs is a solution.
Solve the equation, justify
each step with an algebraic
property.
10 + 8x = -78
Answer:
x=-11
Step-by-step explanation:
10+8x=-78
minus 10 from both sides
8x= -88
-88/8 = -11
x= -11
Answer:
Your answer is: x = -11
Step-by-step explanation:
Hope this helped : )
Kenny had a total of 140 minutes to read, do homework, and play video games. he spent x minutes reading. he spent 2(x + 5) minutes doing homework and he spent 25 minutes playing video games. How many minutes did Kenny spent reading?
Answer:
35 min
Step-by-step explanation:
given that the total time spent is 140min
and that the time spent reading is x minutes
and also that the time spent doing home work is 2(x+5)
the time spent playing video game is 25
the expression for the total time is given as
total = reading +homework +video game
140=x+2(x+5)+25
solving for x we have
140=x+2x+10+25
140=3x+35
140-35=3x
105=3x
x=105/3
x=35
kenny spent 35 min reading
Time spend for reading is 35 minutes
Given that;
Total number of minutes Kenny have = 140 minutes
Time spend for reading = x
Time spend for homework = 2(x + 5) = 2x + 10
Time spend for games = 25 minutes
Find:
Time spend for reading
Computation:
Total number of minutes Kenny have = Time spend for reading + Time spend for homework + Time spend for games
140 = x + 2x + 10 + 25
3x + 35 = 140
3x = 105
x = 105 / 3
x = 35
So,
Time spend for reading = 35 minutes
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Simplify the following using a Property of Integer Exponents.
2,345⁰
solve the equation. x^2+49=0
a.) no real solution.
b.) x= 7
c.) x= -7
d.) x= -7 and x= 7
Answer:
C
Step-by-step explanation:
-7 squared is -49, -49 plus 49 is 0.
Can someone help me please ?
Answer:
C I am pretty sure.
Step-by-step explanation:
For C, we can alter the equation to be 5 - 9 > 2x or -2 > x which satisfies the graph above. Similarly, we can alter the second equation to be 3x ≥ -3 or x ≥ -1 which again is true from the graph above.
Which value of x satisfies the equation |-2x|=10
Answer:
Step-by-step explanation:
First you will divide I-2xI on both sides that should look like this:
-2x/-2 = 10/-2
when you divide it your -2‘s should cancel out and you should be left with
-x=10/-2
when You divide 10/-2 you should get -5
10/-2= -5
your answer should look like this then
-x=-5
-5 is just one of your answers the other is 5
To get rid of the negative on the -X you have to didvide it by both sides
-x/-x=-5/-x
your answer should be
X= 5
your final answers are
-5 or 5
The value of x is "5".
Equation:[tex]|-2x|=10[/tex]
x=?
[tex]\to |-2x|=10\\\\\to 2x=10\\\\\to x=\frac{10}{2}\\\\\to x= 5[/tex]
Therefore, the final answer is "5".
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Please help I don’t understand
Answer:
y = -2x+4
Exp:
Slope (m) =
ΔY
ΔX
=
-2
1
= -2
θ =
arctan( ΔY ) + 360°
ΔX
= 296.56505117708°
ΔX = 2 – 1 = 1
ΔY = 0 – 2 = -2
Distance (d) = √ΔX2 + ΔY2 = √5 = 2.2360679774998
Equation of the line:
y = -2x + 4
When x=0, y = 4
When y=0, x = 2
Need help on this please Help. I would really appreciate it :)
Answer:
i am not sure but according to me ans is d
Step-by-step explanation:
Ax+By=C
Ax=C-By
A=C-By/x
Could someone help me out pls? I’m taking a test and I’d love help on this thanks <3
Answer:
AC = DE
Step-by-step explanation:
need helps fasgt plss
Answer:
I think total area=36
Step-by-step explanation:
By finding ar. of all 4 triangles separately by the formula 1/2×base×height
Help, I’m stuck. Lol.
Answer:
a. height = 12
b. area = 228
Step-by-step explanation:
a. To find the height, we can use the triangle formed by the side that measures 15, the side that measures 9. and the height. The hypotenuse of the triangle(the longest side opposite of the right angle), is 15. We can then use the Pythagorean Theorem, which states that [tex]a^2+b^2=c^2[/tex], where c is the hypotenuse, and a and b are the two other sides. In this case, we need to find a leg of the triangle, not the hypotenuse. What do we do? We can first call the height a, and rearrange the Theorem into [tex]c^2-b^2=a^2[/tex]. [tex]15^2=225, 9^2=81,[/tex] and [tex]225-81=\sqrt{144}[/tex]=12. Therefore, the height of the parallelogram is [tex]\boxed{12}[/tex]
b. To find the area of the parallelogram, we can use the area formula, which is Base*Height. The base is the flat side. We can find the base by adding 9+10=19, and [tex]19\cdot12=\boxed{228}[/tex]
You want to fit all of your lip glosses in _3
makeup bags. You already have 3 makeup bags.
They are different sizes. The sizes are S,L,L.
Small-(8.5" H x 8.75 in "W). Large-6.75 in Hx
9.25 in W x 3.25 in D. You have 35 lip glosses.
They are all _6_inches.How many more makeup
bags do you need to buy?/ if any.
Answer:
uwiouwj22nnjj n2k2k2km n2n2j2j2j2jn2n2 2 2 2 2n2j2j2n2n2 2 2 3 3n2j2j2n3n n3j3n3n3n3 3