Answer:
bet
Step-by-step explanation:
Answer:
n=-20/133
Step-by-step explanation:
Use the distributive property to multiply −2 by −4n+1.
8n−2+5(25n−8)=−62
Use the distributive property to multiply 5 by 25n−8.
8n−2+125n−40=−62
Combine 8n and 125n to get 133n.
133n−2−40=−62
Subtract 40 from −2 to get −42.
133n−42=−62
Add 42 to both sides.
133n=−62+42
Add −62 and 42 to get −20.
133n=−20
Divide both sides by 133.
n=-20/133
Fraction −20/133≈−0.15037594 can be rewritten as −20/133 ≈−0.15037594 by extracting the negative sign.
n=−20/133
graph at least four points from the rule y=2x+1
Y=2x1+2+1=5
is that right?
Lines L and M are parallel, find M<7
Answer:
142°
Step-by-step explanation:
Lines L and M are parallel and a line is transversal to them.
[tex]\therefore 38 \degree + m \angle7 = 180 \degree \\ (straight \: line \: \angle s) \\ \\ \therefore m \angle7 = 180 \degree - 38 \degree \\ \\ \huge \red { \boxed{\therefore m \angle7 = 142 \degree }}[/tex]
A scientist needs 10 liters of a 20% acid solution for an experiment, but she has only a 5% solution and a 40% solution. To the nearest tenth of a liter, about how many liters of the 5% and the 40% solutions should she mix to get the solution she needs? Write and slove an equation to match the situation. :
Equation:________________________
Solution:____ liters of 5% and _____ liters of 40%
Answer:
Equation: X × 0.4 + (10 - X)×0.05 = 10 × 0.2
Solution: 5.71 liters of 5% and 4.29 liters 40%
Step-by-step explanation:
The volume of the 20% acid solution the scientist needs = 10 liters
The concentration of the solution she has = 5% and 40%
Therefore, we have;
X volume of the 40% solution is mixed with 10 - X volume of the 5% solution, to obtain 10 liters of the 20% solution
Therefore, we have;
Equation: X × 0.4 + (10 - X)×0.05 = 10 × 0.2
0.4·X + 0.5 - 0.05·X = 2
0.35·X = 2 - 0.5 = 1.5
X = 1.5/0.35 = 30/7
∴ The volume of the 40% solution = 30/7 liters ≈ 4.29 liters
The volume of the 5% solution = 10 - X = 10 - 30/7 = 40/7 liters ≈ 5.71 liters
Therefore, we have;
5.71 liters of 5% solution and 4.29 liters 40% solution.
how would I graph this I will give brainliest
Is the square root of 9 less than 3.54
Answer:
yes
Step-by-step explanation:
the square root of 9 is 3 so 3.54>3
A boy band has released two albums.
Soooooo.......
What happened next?
Kenya picked 18 flowers from her garden. If 3/5 of flowers in her garden remain unpicked, how many flowers are still in her garden?
Answer:
45
Step-by-step explanation:
picking 18 flowers = 2/5 of garden or 40%
18÷.4=45
Determine whether side-angle-angle (SAA) is a valid means for establishing triangle congruence. In this case, you know the measure of a side, an adjacent angle, and the angle opposite to the side. If it is a valid criterion, explain why. If it is not valid, use GeoGebra to create a counterexample demonstrating that it doesn't work and give an explanation. If you construct a counterexample, take a screenshot of your work, save it, and insert the image in the space below.
20 points
SAA = corresponding angle
the answer is 28 degree
Are these lines parallel,
perpendicular, or neither?
Line 1 passes through (0,3) and (3,1)
Line 2 passes through (-1,4) and (-7,-5)
Write an algebraic expression for “5 times the sum of a number and 3”
Answer:
5(x+3)
Step-by-step explanation:
:)
Evaluate 6p - 3 when p = 2
Answer:
9
Step-by-step explanation:
since you replace the p with 2 the 6 and 2 are close to each other so that means you multipli so 6x2=12-3=9
Mr. Rijo bought 49 bags of soil one week and 28 bags of soil the next week. Which expression correctly applies the distributive property to show equivalent expressions for the number of bags of soil he bought?
49 + 28 = 4 (7 + 7)
49 + 28 = (7) (7) + (14) (2)
49 + 28 = (7) (14) + (7) (7)
49 + 28 = 7 (7 + 4)
Answer:
d
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
If the Weight of Candy Is proportional to the price and 12 ounces of candy is $3.00,dollars how much is 20 ounces of candy?
Answer:
$5.00
Step-by-step explanation:
if you divide $3.00 by 12 you get $0.25 which is what your paying per ounce so all you would have to do once you get how much your paying per ounce is multiply your per ounce number ($0.25) by your total amount of ounces (20) and you then get your answer $5.00. Hope this makes sense!
Explain how you can solve the following scenario two different ways. I owe my friend $16 and my mom owes me $25. How much money will I have after all is settled?
Answer:
25-16=9 and -16+25=9
Step-by-step explanation:
2x+3y=-10 Solve for y
Answer: y= -10/3 - 2x/3
Step-by-step explanation:
move all terms that dont contain y to the right side and solve
Please help!Calculate the slope and in your notebook graph the rates of change for the three cars.
Car C travels at the rate indicated in the table.
The unit rate is _____ miles per hour
Answer:
52 mph
Step-by-step explanation:
give me any equation in the comments
110*(3*3)
Step-by-step explanation:
=990
Just use PEMDAS
Marc is helping out with the school bake sale. He has
50 cookies to place in bags. He places 3 cookies in each
bag. How many bags will he use? How many cookies will be left over?
will be left over
Answer: 16 Bags with 2 Cookies left over
Step-by-step explanation:
50 divided by 3 equals 16 r2
Did this help? Let me know :)
Solve by working backwards
A number is divided by 2 and the result is added to 6. The new result is multiplied by 5, and then 16 is subtracted. The final result is 134. What is the number?
Answer:
48
Step-by-step explanation:
Do everything backwards
134 + 16 = 150
150 divided by 5 = 30
30 - 6 = 24
24 times 2 = 48
Is the x intercept always the same as the slope?
Answer:
We can use the slope-intercept form (y = mx + b). The x-intercept is found by setting y = 0, because that will give us the x-value at which the line crosses the x-axis.
Step-by-step explanation:
Answer:
In the equation of a straight line (when the equation is written as "y = mx + b"), the slope is the number "m" that is multiplied on the x, and "b" is the y-intercept (that is, the point where the line crosses the vertical y-axis).
Step-by-step explanation:
Correct answer will be awarded with brainliest answer
(Simplify)
5(13+5x)
Answer:
ALSO LOVE THESE
Step-by-step explanation:
Multiply 5 by what is in the parenthasees
65 + 25x
Answer:
65+25x or 25x+65
Step-by-step explanation:
factorise the following by grouping pairs (1) a2_9a+3a_27
Answer:
13a_29
Step-by-step explanation:
group like terms
please help with this!!
Answer:
a) x= 29.4
b) 43400cm³ (3 s.f.)
Step-by-step explanation:
Please see the attached picture for the full solution.
Which expression is equivalent to ac + bd? *
ac x bd
ca + db
ab + cd
(ac)^2
Answer:
the aswer is ca+ db
Step-by-step explanation:
Hope this helps leave a heart c:
Answer:
ab+cd
Step-by-step explanation:
Help me guys I suck at this :(
Answer:
D.
Step-by-step explanation:
Breianliest?
There are 4 carriages connected to a train that is 52 meters long. If there
were 8 carriages connected to the train, how long would it be?
Help Asap !Solve For X In The Diagram.
Answer:
X = 5
Step-by-step explanation:
suppose that angle TSU is y so
23x+5+y = 180
23x+y = 175
now again in traingle TSU
55+14x-5+y = 180
x = 130-y /14
substitute the value of x in 1st equation
ans will be 5
Answer:
x = 6.111
Step-by-step explanation:
The supplement of <AST = 180 - (23x - 5) That supplement is inside the triangle.
Solution
Add the three angles together to get 180
180-(23x - 5) + 14x-5 + 55 = 180 Remove the brackets
180 - 23x + 5 + 14x - 5 + 55 = 180 Combine
-9x + 55 + 180 = 180 Subtract 180 from both sides.
-9x + 55 = 0 Subtract 55 from both sides
-9x = - 55 Divide by -9
x = -55/-9
x = 6.111
Check
180 - (23*6.111 - 5) + 14*6.111 - 5 + 55= 180
180 - 140.555 + 5 + 85.555 -5 + 55 = 180
39.445 + 85.555 + 55 = 180
180 = 180
17'-0.39 Write each fraction as a percent 4. mla 3 10
Answer:
hmmmmmmmm
Step-by-step explanation:
yea i really dont know
Helpppp pleaseeeee e e e e e e e e e!!!!!!
Answer: 80
Step-by-step explanation:
50+50=100
180-100=80
Answer:
is 80
Step-by-step explanation:
~ p o t a t o ~
