Answer:
in this case "a number" can be written as any variable or we can just say x for now.
x-8
10+3/4x
1+1/4x^2
3(x+12)
10(x+5x)
(remember these are not simplified, please tell me if the question asks you to simplify these.)
Step-by-step explanation:
What are the name of these angles? Are
they congruent or supplementary?
Pls help I’m confused
The scale of a map is 1
inch : 10 miles.
If a road is 3%2 inches on
the map, what is the
actual length of the
road? If a pond is 15
miles long, what is the
length of the pond on
the map?
1 inch= 10 miles
1 inch * 1 inch = 1 in^2 = 10 miles * 10 miles = 100 miles^2
so
1 in^2 is 100 mi^
i need help with 4=2/3(2x-9
Answer:
x=15/2
Hope it helps :)
Answer:
x = 7.5
Step-by-step explanation:
4 = 2/3 (2x - 9)
4 = 4/3x - 6
4 + 6 = 4/3x - 6 + 6
10 = 4/3x
10 x 3/4 = x
x = 7.5
the base of a triangle is 13cm and its height is 5cm. what is the area of the triangle
Answer:
32.5cm
Step-by-step explanation:
Using the formula A=h_b*b/2
We get 5*13/2=32.5
Determine whether each equation is always, sometimes, or never true.
2x + 7 - x = 3 + x + 4
Always
Sometimes
Never
Empty Set
I said never but I want see if thats right
what is the value of 7(10-2^3)+8/2
Answer:
18
Step-by-step explanation:
Answer:
7(10−[tex]2^{3}[/tex])+ [tex]\frac{8}{2}[/tex]
=18
Step-by-step explanation:
7(10−[tex]2^{3}[/tex])+[tex]\frac{8}{2}[/tex]
=7(10−8)+ [tex]\frac{8}{2}[/tex]
=(7)(2)+[tex]\frac{8}{2}[/tex]
=14+[tex]\frac{8}{2}[/tex]
=14+4
=18
Please anything helps. Bisect each angle below
(Don’t know what I was doing on the first one)
Answer:
U are doing right but don't move ur compass when u are doing the line (i mean opposite line)otherwise ur line at not bisect
−6−(−2)minus, 6, minus, left parenthesis, minus, 2, right parenthesis
Answer: -4
Step-by-step explanation:
Start with -6, since there is nothing to solve in the parenthesis.
Subtract -2 from -6, which will get you -4.
If LM=22 and MN=15,find LN
Answer:
37
Step-by-step explanation:
LMN is one big line
LM=22
LM=15
LN=22+15=37
Answer:
LN = LM + MN = 37
Step-by-step explanation:
L————————-M———————-N
22. 15
L————————-37———————-N
Remove all perfect squares from inside the square root [tex]\sqrt{200}[/tex]
What is the slope of the line that passes through the points (7,9) and (15,-29)
Answer:
-4.75
Step-by-step explanation:
Slope = (y2-y1) / (x2-x1)
So applying the formula
(-29-9)/(15-7)
= -38/8 = -4.75
Angle 0 is in standard position. if sin(0) = -1/3, < 0 < 3/2 , find cos (0).
Answer:
-2 sqrt (2) /3
Step-by-step explanation:
sin = -1/3 its in the 3rd quadrant so sin is negative cos is negative
sin^2 O + cos ^2 O = 1
1 - (1/9) = cos^2 O
[tex] \cos( \alpha ) = \frac{ - 2 \sqrt{2} }{3} [/tex]
Here's an easy question for points: 5 x 2/6 =
Q) 5 × (2/6) = ?
→ 5 × (2/6)
→ 10/6
→ 5/3 {final answer}
To travel the Erie Canal, a boat must go through locks
Answer:
locks that raise or lower the boat. Traveling East a boat would have to be lowered 12' at Amsterdam, 11' at Trives Hill, and 8' at Randall. By how much does the elevation of the boat change between Amsterdam and Randall
Write each decimal number as a fraction or mixed number in simplest form?
You're letting x = 0.325325325…, which means
1000x = 325.325325325… (or 325.325, but pretend the underline is actually an overline)
Then the next box you'd fill in with 0.325325325… (or 0.325).
Subtracting these, you have
1000x - x = 325.325325325… - 0.325325325…
999x = 325
Finally, solving for x gives
x = 325/999
Find ""k"" so that the 58 unit diagonal of a rectangle can have an aspect ratio of 15:8. Then find the length and width of the rectangle and find its area.
Step-by-step explanation:
The area of any 2-d quadrilateral is equal to the base of the shape times the height, though we can just sub in length and width here. The key bits of information here is the aspect ratio (4:3) and the given area (300 in^2).
So far this gives us L∗W=300in2
Now, the aspect ratio given implies for every 4 inches in length, there will be 3 inches in width. This allows us to factor out a 4 and a 3 from the Length and Width respectively and give them the same constant variable, like so:
4x∗3x=300in2
Now, some might be tempted to go ahead with 12x here, but let’s expand the left side out to see what’s really going on:
4∗x∗3∗x=300in2
From here, let’s resolve like terms Our constants will multiply together and give us 12, and x * x of course gives us x^2 to give us the following:
12x2=300in2
From here, simply divide through by 12 to isolate x on one side,x2=25
And finally take the square root of both sides to work out what your common factor is,
x=5
Now that we have out common factor, let’s plug it back into our original formula to find our Length and Width, like so.
(4∗5)in∗(3∗5)in=300in2
20in∗15in=300in2
Therefore, the Length of our rectangle is 20in, and the Width of our rectangle is 15in
This one if to hard for me
Answer:
x=0 , x = 1/2
Step-by-step explanation:
(4x-1)=1 —> 4x-1=1—> 4x=1+1—> 4x=2 —> x=2/4 —> x= 1/2
-(4x-1)=1—>-4x+1=1—> 4x= 1-1 —> x=0
Hello there!
We are given the equation:
[tex] \displaystyle \large{ |4x - 1| = 1}[/tex]
Definition/Property
[tex] \displaystyle \large{ |a| = \sqrt{ {a}^{2} } } \\ \displaystyle \large{ |a| = b \longrightarrow a = \pm b} \\ \displaystyle \large{ |a| = \begin{cases} a \: \: (x \geqslant 0) \\ - a \: \: (a < 0) \end{cases}}[/tex]
First, cancel the absolute value sign and write plus-minus beside 1.
[tex] \displaystyle \large{ |4x - 1| = 1} \\ \displaystyle \large{ 4x - 1 = \pm 1} \\ [/tex]
Break in two cases.
[tex] \displaystyle \large{ 4x - 1 = \begin{cases} 1 \\ - 1 \end{cases}} \\ \displaystyle \large{ 4x = \begin{cases} 1 + 1 \\ - 1 + 1 \end{cases}} \\ \displaystyle \large{ 4x = \begin{cases} 2 \\ 0 \end{cases}} \\ \displaystyle \large{ x = \begin{cases} \frac{2}{4} \\ \frac{0}{4} \end{cases}}[/tex]
Therefore, x = 0 or 1/2
Let me know if you have any questions!
Topic: Absolute Value Function - Equations
What is an equation of the line that passes through the points (1, 8) and (-1, -2)
Answer:
Step-by-step explanation:
(1,8) (-1,-2)
Slope: (-2-8)/(-1-1) = -10/-2 = 5
y -8 = 5 (x - 1)
y - 8 = 5x - 5
y = 5x +3
The diagram shows a rectangle ABCD. The point A is (2, 14), B is (−2, 8) and C lies on the x-axis. Find
(i) the equation of BC,
(ii) find coordinates of C and D
Answer:
Step-by-step explanation:
since AB and BC are perpendicular so AB.BC=0, (scalar product)
AB=(-4, -6), and BC=(xc+2, yc-8)
AB.BC= -4x-8-6y+48 =0
so the equation of BC is 2x+3y-20=0
C is on the line BC, so 2xc+3yc-20=0, but yc=0, so xc=20/2=10
AB and CD are parallel, so det(AB, CD)=0
AB and AD are perpendicular so AB.AD=0
AB=(-4, -6) and CD =(x-10, y), AD= (x-2, y-14)
det(AB, CD)=0
x-10-y = 0 equivalent to x-y = -10
AB.AD=0
-4x+8-6y+84=0 equivalent to 2x+3y=44
let's solve
x-y = -10
2x+3y=44
-5y = -64, y = 64/5, x= -10+64/5=14/5
finally D(14/5, 64/5)
13) Rylee had a negative balance of $23 in her bank
account. Her cell phone bill charged this month's balance
of $56. What is Rylee's new balance?
Answer:
-$79
Step-by-step explanation:
If i read that correctly, Rylee had -$23 in her account.
Then, she was charged $56, meaning we have to subtract $56 from -$23. When we do -23 - 56, we get -79. Meaning, Rylee now has a balance of -$79.
Answer:
Step-by-step explanation:
The original price of Rylee’s groceries was $23.50. This money is leaving her bank account, so represent the amount with a negative sign:
-$23.50.
Rylee got a 20% discount on her purchase. In other words, she got 20% of her money back. The expression that represents the net change in her bank account is
-$23.50 – (-$23.50 × 0.2).
Further simplify the expression by factoring -$23.50 from both terms:
-$23.50 – (-$23.50 × 0.2)
=
-$23.50(1 – 0.2)
=
-$23.50(0.8).
-15=5(3q-10)-5q
Solve the equation
Answer:
q = 3.5
Step-by-step explanation:
Start by distributing the 5
-15 = 15q - 50 - 5q
Combine like terms
-15 = 10q - 50
Add 50 to both sides
35 = 10q
Divide by 10 to isolate q
35/10 = q
q = 3.5
Answer:
q=3.5 or 4
Step-by-step explanation:
-15=5(3q-10)-5q
-5=15q-50-5q
-15+50=15q-5q
35=10q
Divide both sides by 10.
35÷10=10q÷10
3.5=q
Therefore,q= 3.5
Round up=4
.
Frito lay mix variety in pack 28 bags for 9.88 cost per bag
Answer:
Each bag costs 0.35 cents
Step-by-step explanation:
divide 9.88 by 28 and that gives you the total for each bag of chips
Which property is illustrated by the following?
If 2(x+y)=z, then 2x+2y=z
(g + 4) - 3g = 1 + g
(g + 4) - 3g = 1 + g
or, g + 4 - 3g = 1 + g
or, -2g + 4 = 1 + g
or, -2g - g = 1 - 4
or, -3g = -3
or, g = -3/-3
or, g = 1
The value of g is 1.
HELP DUE IN 10 MINUTES!!!
Solve for x.
2(5x-2) -2x- 2= 34
Answer:
ans2
Step-by-step explanation:
10x-4-2x=34
8x=38
x=4.7..
Answer:
x = 5
Step-by-step explanation:
10x - 4 -2x -2 = 34
8x = 40
x = 5
What is the equation of the line that passes through the point (2, -4) and has a
slope of 2
Answer:
y = 2x - 8 OR 4 - 2x = -4 - y
Step-by-step explanation:
Use the point-slope form m(x₁-x₂) = (y₁-y₂); m means slope
plug in your numbers:
2(2-x₂) = (-4-y₂)
4 - 2x = -4 - y
or to put it into Y=mx + b:
y = 2x + 8
Find the distance between the two points rounding to the nearest tenth (if necessary).
(−5,−9) and (−8,0)
helppppppp pleaseeereee
Which number sentence has a product of 42?
7 × (-6)
-6 × 7
-7 × (-6)
-7 × 6
Answer:
-7 × (-6)
Step-by-step explanation:
7 × (-6) = -42
-6 × 7 = -42
-7 × (-6) = 42
-7 × 6 = -42
Answer:
[tex] - 7 + ( - 6) = 42[/tex]
I hope I helped you^_^
Can someone help me im struggling
[tex]\small\tt\red{Question : 2x + 3(5x - 7) = 47 } \\ \\ \small\tt\orange{solution : - } \\ \\ \small\tt\blue{2x + 3(15x - 7) = 47} \\ \\ \small\tt\blue{2x + 15 - 21 = 47} \\ \\ \small\tt\blue{17 = 47 + 21} \\ \\ \small\tt\blue{17x = 68} \\ \\\small\tt\blue{x = \cancel \frac{68}{17} } \\ \\\\\small\tt\green{\boxed{x = 4 \: \: is \: your \: answer}} \\ \\ \\\small\tt\pink{\boxed{\boxed{hope \: it \: help \: you \: dear}}}[/tex]
Solve the following using substitution
Y = 2X - 3
4X -3Y = 31
Answer:
Step-by-step explanation: