Answer:
2w-2=16
Step-by-step explanation:
w=9
2w-2
2(9)-2
18-2
16
Answer:
16
Step-by-step explanation:
When we have an expression and we are given the value of the variable, we can substitute inside the expression and find it’s value.
[tex]2w-2[/tex], we know [tex]w=9[/tex] so:
[tex](2\cdot 9) - 2[/tex]
[tex]2\cdot9=18[/tex]
[tex]18-2\\\\16[/tex]
Hope this helped!
In a survey, 80 students were asked to name their favorite subject. Thirty students said that History was their favorite. What percent of the students surveyed said that History was their favorite subject?
I misread the question so I am removing my answer.
Answer:
I think the answer is 20 percent
Step-by-step explanation:
if 80 is 100% than you have to make 30 a %
he Moore family is selecting a furniture set. A furniture set has a bed, a desk and a dresser. There are beds, desk, and dressers to select from. How many different furniture sets could they select?
Joanie weighs 102 pounds. Her father weighs 2.2 times as much as Joanie. How much does her father weigh?
Answer:
224.4
Step-by-step explanation:
102x2.2=224.4
Could I please have Brainliest.
a rectangular hallway has dimension 6 feet by 18 feet. it is to be tiled with squares tiles, each with the dimension 2/3 feet by 2/3 feet. How many tiles will you need?
We need to find the area of the hallway. To find the area of a rectangle, simply multiply the length and width together.
6ft * 18ft = 108^ft
Now, let's find the area of the square tiles. To find the area of a square, simply square one side.
(2/3ft)^2 = 4/9ft^2
To find out how many square tiles are necessary to tile the hallway, lets divide the area of the hallway by the area of one square.
108ft^2 / (4/9ft^2) = 243 tiles
Please help lol it’s quick
AR:AB = 1/5 means that AR has length equal to 1/5 of the length of AB.
To find the x coordinate of R, you take 4/5 of the x coordinate of A plus 1/5 of the x coordinate of B:
4/5 * 1 + 1/5 * 4 = 8/5
You do the same for the y coordinate:
4/5 * (-1) + 1/5 * 4 = 0
So the point R has coordinates (8/5, 0).
1. Name the sets of numbers to which – 7
belongs.
a. integers, rationals
c. whole numbers, integers, reals
b. integers, rationals, reals
d. integers, reals
which point is the center of a circle
Answer:
isnt it called the focus thats what i think
Step-by-step explanation:
Sonya is checking orders at the fabric store where she works. Some of the orders are in decimal and some are in fractions. Which of the following statements is not true?
Answer:
B is not true
Step-by-step explanation:
What is the answer and steps to the problem 11(8r+3)-2(-9+6r)
I need help! And I need a reasoning as well
Answer:
A) 3²·3³
E) 3^4·3^1
Step-by-step explanation:
When multiplying numbers with exponents, keep the base the same and add the exponents.
So A and E would equal 3 to the fifth power.
Answer:
A & D
Step-by-step explanation:
3^5 = 243
The only other equations that also equal 243 are A & D.
You can also break the exponent up.
(Ex: The exponent is 5. You can split it by having 1 & 4 or 2 & 3)
(Ex continued: The number 3 must be the base number though.)
Identify the equation that represents a proportional relationship.
a) y= -3x + 2
b) y = 2x + 4
c) y = kx
d) y = k + 7
-11+x-12-8=2x-13-11 plz I need it now !!
Math I’m giving brainlist and 20 points
Answer:
What work are you referring to
A 5kg ball is traveling at the same speed as a 10 kg ball. compared with the 5 kg ball, the 10 kg ball has
1) half the momentum
2) twice the momentum
3) five times the momentum
4) the same momentum
Answer:
2) twice the momentum
Step-by-step explanation:
p=mv
momentum had a directly proportional relationship to mass, what this means is that if you somehow increase the mass of the object twice the momentum will also increase twice, if the mass decreases by 5 times the momentum will also decrease by 5 times. Therefore, since the 10 kg object is twice the mass of the 5 kg object, so is its momentum relative to the 5 kg object. (5×2=10) 2p=2m
Determine if 8.5 represents a solution to the inequality 2x + 3 > 5
yes it is a solution
no it is not a solution
Answer: yes it is a solution
Step-by-step explanation: 2x+3>5 -> x>1
0.029 g in Scientific notation
Mary Jane is buying paper plates for her big going away party. The fancy plates come in packs of 8. She is inviting 41 guests. How many packs of plates should Mary Jane buy?
41 guests / 8 plates = 5.125 packs
Since you cant buy .125 of a pack, Mary jane has to purchase 6 packs.
Answer:
6 packsStep-by-step explanation:
41 guests = 5.125 packs
8 plates
5 x 8 = 40 plates
6 x 8 = 48 plates
therefore Mary Jane should buy the 6 packs more than enough for her 41 guests.
23=1/3b-2+4/3b
what is the value of b?
Answer:
b=15
Step-by-step explanation:
(7^5)^7 HURYYYYY................
Answer:
Exact Form:
[tex]7^{35}[/tex]
Decimal Form:
3.78818692 x [tex]10^{29}[/tex]
I hope this helped! :) If this is correct please give me brainliest!
Evaluate 4(a2+2b)-2 when a = 2 and b =-2
Answer: -2
Explanation 》》》》》》》》》》
4×(2×2+2×-2)-2
=4×(4-4) -2
=4×0 -2
= -2
Which equation represents the data: m = -3, b = 5
O y = -3x + 5
O y = x
Oy= 5x - 3
Zero
Answer:
y=-3x+5
Step-by-step explanation:
In the form of y=mx+b
Math WILL GIVE BRAINLIEST A. How many different outcomes are represented in your tree diagram?
B. Suppose the three primary colors are red, yellow, and blue. How many outcomes contain at least one primary color?
Step-by-step explanation:
hello just came here to get likes
Si una pulgada equivale a 2,54cm, ¿Cuantas pulgadas mide una barra de 31,75 cm?
Answer:
12.5 pulgadas
Step-by-step explanation:
31,75 cm * (1 pulgada)/(2,54 cm) = 12.5 pulgadas
In segment AC, point B is between A and C. Which of the following is true?
A. Point A + Point B = Point C
B. AB + AC = BC
C. AB + BC = AC
Answer:
b
Step-by-step explanation:
Answer:b
Step-by-step explanation:
fill in the blank to find –5 + (-2)
Can someone plzzzzz help me ASAP
Please help urgent easy question,just no 8
Answer:
Ruby is 11. Tanya is 14.
Step-by-step explanation:
Let Ruby's age eight years ago be x.
Tanya's age eight years ago = 2x.
Ruby's age now = x + 8
Tanya's age now = 2x + 8
Total age = [tex]x+8+2x+8=25[/tex]
[tex]3x+16=25[/tex]
Subtract 16 from both sides:
[tex]3x+16-16=25-16[/tex]
[tex]3x=9[/tex]
Divide both sides by 3:
[tex]\frac{3x}{3} =\frac{9}{3}[/tex]
[tex]x=3[/tex]
Ruby's age now [tex]=x+8=3+8=11[/tex]
Tanya's age now [tex]=2x+8=2(3)+8=6+8=14[/tex]
Answer:
Tanya is 14; Ruby is 11.
Step-by-step explanation:
Let T represent Tanya's current age and let R represent Ruby's current age.
We know that their ages add up to 25. So:
[tex]T+R=25[/tex]
8 years ago, Tanya was twice as old as Ruby. In other words, Tanya's current age minus 8 is the same as Ruby's current age minus 8 times 2. So:
[tex]T-8=2(R-8)[/tex]
We have a system of equations. We can solve by substitution. From the first equation, subtract R from both sides:
[tex]T=25-R[/tex]
Substitute this into the second equation:
[tex](25-R)-8=2(R-8)[/tex]
On the left, subtract. On the right, distribute:
[tex]17-R=2R-16[/tex]
Add 16 to both sides. The right side cancels:
[tex]33-R=2R[/tex]
Add R to both sides. The left cancels:
[tex]33=3R[/tex]
Divide both sides by 3:
[tex]R=11[/tex]
So, Ruby is currently 11 years old.
So, Tanya is currently 25-11 or 14 years old.
Check:
8 years ago, Ruby was 11-8 or 3 years old.
8 years ago, Tanya is 14-8 or 6 years old.
Tanya's age of 6 is 2 times Ruby's age of 3 so our answer is correct.
Question 14(Multiple Choice Worth 4 points)
(01.04 LC)
Solve the inequality 4x - 6 > 6x - 20.
x> 7
x<7
x<2
x>2
Step-by-step explanation:
4(7)-6,6(7)-20
28-6,42-20
22,22
22/22
=1
4(2)-6,6(2)-20
8-6,12-20
2,-8
-8/2
=-4
Answer:
Its B
Step-by-step explanation:
solve for x: x-10=-22
Answer:X would be -12
Step-by-step explanation: -12-10=-22
The number of gift baskets Nikki can make varies directly with the amount of time she
1
spends making the baskets. She can make 4 baskets in hour.
2
How many baskets can Nikki make in 5 hours?
Answer:
She can make 20 baskets in 5 hours