Answer:
5x + 17
Step-by-step explanation:
Given
2(x + 7) + 3(x + 1) ← distribute both parenthesis
= 2x + 14 + 3x + 3 ← collect like terms
= 5x + 17
Answer:
Step-by-step explanation:
2(x + 7) + 3(x + 1)
To simplify, you multiply 2 by the bracket. That is 2 × x + 2 × 7 which is equal to 2x + 14 then you do same for the other bracket. 3 × x + 1 = 3x + 3 now you add them and group like terms. Like this, 2x + 3x + 14 + 3
So our answer is , 5x + 17.
Good luck
I need help asap pls
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Answer:
a) ∠DAE = 33°; ∠ABD = 57°
b) ∠CEB = 90°
c) ∠ABE = 22°
d) ∠ADE = 15°
Step-by-step explanation:
The diagonals of a rhombus meet at right angles. Each bisects the corner angles at its ends. Adjacent angles are supplementary, opposite angles are congruent, and each diagonal creates two isosceles triangles.
a) ∠DAE = 90° - ∠ADE = 90° -57°
∠DAE = 33°
∠ADE = ∠ABD = 57°
__
b) ∠CEB = 90° . . . . . the diagonals meet at right angles
__
c) ∠ABE = 44°/2
∠ABE = 22°
__
d) ∠ADE = 90° -(1/2)∠DAB = 90° -150°/2
∠ADE = 15°
help me please.............................................
Answer: it is C
Step-by-step explanation:
A jewelry store buys in which to wrap items that they sell. Each box is a cube with side lenghts of 2 cmFind the surface area of the box?
Answer:
24 cm
Step-by-step explanation:
The expression 6*7=7*6 is an example of commutative property of multiplication or Associative property of multiplication or Distributive property or Commutative property of addition
ABCD is a trapezium AD and BC are parallel
Part (a)
Answer: 12.1-----------------------
Work Shown:
We'll apply the sine rule since we have a known opposite side of AB = 10 and an unknown hypotenuse we want to find BD.
Focus on triangle ABD
sin(angle) = opposite/hypotenuse
sin(D) = AB/BD
sin(56) = 10/x
x*sin(56) = 10
x = 10/sin(56)
x = 12.062179
x = 12.1
Make sure your calculator is in degree mode.
===================================================
Part (b)
Answer: 15.1-----------------------
Work Shown:
Draw an xy coordinate grid.
Place point A at the origin (0,0).
Point B is 10 units above this, so B is at (0,10).
Point C is at (18,10) since we move 18 units to the right of B.
Point D is at approximately (6.745085, 0). The 6.745085 is from solving tan(56) = 10/x for x.
Refer to the diagram below.
Apply the distance formula for the points C and D.
[tex]C = (x_1,y_1) = (18,10)\\\\D = (x_2,y_2) \approx (6.745085,10)\\\\[/tex]
[tex]d = \text{ distance from C to D}\\\\d = \sqrt{ (x_1-x_2)^2+(y_1-y_2)^2}\\\\d \approx \sqrt{ (18-6.745085)^2+(10-0)^2}\\\\d \approx \sqrt{ 226.673112 }\\\\d \approx 15.055667\\\\d \approx 15.1\\\\[/tex]
Segment CD is roughly 15.1 cm long.
a) The length of BD to 1 decimal place is 12.1
b) The length of CD to 1 decimal place is 15.1
What is a quadrilateral?Any closed figure made by 4 line segments joined end to end in series is called a quadrilateral.
Given ABCD is a trapezium AD and BC are parallel
we have a known opposite side of AB = 10 and an unknown hypotenuse we want to find BD.
on triangle ABD
sin(angle) = opposite/hypotenuse
sin(D) = AB/BD
sin(56) = 10/x
xsin(56) = 10
x = 10/sin(56)
x = 12.062179
x = 12.1 degree
Let xy coordinate grid. Place point A at the origin (0,0).
Point B is 10 units above this, B is at (0,10).
Point C is at (18,10) since we move 18 units to the right of B.
Point D is at approximately (6.745085, 0).
The 6.745085 solving tan(56) = 10/x for x.
Apply the distance formula for the points C and D.
D = √(18 - 6.745085)² + (10 -0)²
D = 15.1
Thus Segment CD is roughly 15.1 cm long.
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Please help me i don't know what else to put here.........................
In standard form: y-9=2(x-1)
Answer:
y - 9 = 2(x-1)
y -9 + 9 = 2x - 2 +9
y = 2x + 7
Mr. Alvarez is buying every boy on his son's football team a new football. The footballs are sold in packages of 4. There are a total of 15 boys on the football team.
Part A:
In order for every boy to receive a football, how many packages of footballs does Mr. Alvarez need to buy?
Part B:
Using your findings in Part A, if every package costs $20.97, how much will Mr. Alvarez spend on footballs?
Answer:
Part A: 4
Part B: 83.88
Step-by-step explanation:
4x4= 16 that's enough for the whole team you have 1 extra football
The footballs are sold in 4 so that means you will have to multiply 20.94 by how many packets you have which is 83.88
Which of the following functions has a vertex of (-4,3) and a line of symmetry of x= -4?
O A. f(x) = 2(x +4)2 – 3
OB. f (x) = 2(x - 4)2 + 4
O c. f (x) = 2(x +4)2 + 3
OD. f (x) = 2(x - 3)2 + 4
E. f (x) = 2(x – 4)2 + 3
Answer:d
Step-by-step explanation:
1. If a circle has a diameter of 18 inches, what is the radius ? *
A 9 feet
B 9inches
C 36 feet
D 36 inches
Answer: The radius is 9in
Explanation: 9in is the radius because radius is half of the diameter and 18÷2= 9
A marching band has 169 members that will March in a square formation. How many band members should be in each row
2(2x) + 10 = 3x + 13
Please help
Answer:
x = 3
Step-by-step explanation:
:))
Answer:
−3+2(2)=3
Step-by-step explanation:
2(2)+10=3+13
2(2x)+10−10=3+13−10
A piggy bank contains 4 quarters, 18 dimes, 10 nickels, and 8 pennies. A coin is chosen at random, not replaced, then another is chosen. Find each probability.
P (both dimes).
Show work!!!!!
The probability of choosing two dimes consecutively without replacement is 0.196.
i.e
P (both dimes) = 0.196
What is probability?It is the chance of an event to occur from a total number of outcomes.
The formula for probability is given as:
Probability = Number of required events / Total number of outcomes.
We have,
The total number of coins.
= 4 quarters + 18 dimes + 10 nickels + 8 pennies.
= 40
The probability of choosing a dime.
= 18/40
The probability of choosing a dime without replacing the first dime.
= 17/39
The probability of choosing two dimes.
= 18/40 x 17/39
= 306 / 1560
= 0.196
Thus,
P(both dimes) = 0.196
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Please help me! And get marked as brainlist!
Answer:
Step-by-step explanation:
a) area of the rectangle = length × breadth
Therefore area should be = 12cm × 6cm
Which should give you the answer 72centimetre squared.
b) area of triangle A = 1/2 × b × h
So that is 1/2 × 3 × 6
Which is 18 centimetres × 1/2
Which is 9 centimetres squared
c) area of triangle B = 1/2 × b × h
So 1/2×3×6=18
Now 1/2×18 should give you 9 centimetres squared
d) therefore the area of the parallelogram = 72+9+9=90 centimetres squared
Therefore the area of the parallelogram is 90 centimetres squared
What is the solution to 5x+4=x+4
Answer:
x=0
Step-by-step explanation:
Step 1: Subtract x from both sides.
5x+4−x=x+4−x
4x+4=4
Step 2: Subtract 4 from both sides.
4x+4−4=4−4
4x=0
Step 3: Divide both sides by 4.
4x/4=0/4
Answer:x=0
Step-by-step explanation:
Choose the answer based on the most effecient method as presented in the lesson. If the first step in the solution of the equation -9+x=5x-7 is subtract x, then what should the next step be
A.) subtract 5x
B.) add 7
C.) add 9
Answer:
Correct answers A) Subtract 5x
Step-by-step explanation:
For each 7 mm of coloured fabric Paul uses to make his curtains, he also uses 2 cm of white fabric. Express the amount of white fabric to coloured fabric as a ratio in its simplest form.
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Answer:
20 : 7
Step-by-step explanation:
2 cm = 20 mm, so the ratio of white to colored fabric is ...
20 mm : 7 mm = 20 : 7
solve the equation 19+n=30
n=
Answer:
n=11
Step-by-step explanation:
........... ...........
1 3/7 x 2 3/4=?
A)3 9/28
B)2 9/28
C) 2 13/14
D) 3 13/14
Answer:
the answer is D
Step-by-step explanation:
Exact Form: 55 /14
Decimal Form: 3.92857142
Mixed Number Form: 3 13 /14
The pedigree below shows a sex-linked trait carried on the X chromosome. Shaded individuals are affected by the trait.
Which of the following is true of the female represented by Circle 1?
It takes 30 minutes for a
pump to empty a water tank. A larger pump can
empty the tank in half the time. If both
pumps were
operating, how long would it take to empty the tank?
Answer:
i believe 15 minutes
Step-by-step explanation:
Help ASAP!! I will give u BRAINLYEST!! Pleas just help me :(!
In a complete sentence, explain how you would find the radius and
diameter of a circle when the circumference is given.
Answer:
Find the diameter or radius of a circle using the formulas: C = πd; C = 2πr
Step-by-step explanation:
Answer:
You can discover the diameter and radius when the circumference is given by using: C = πd; C = 2πr
Step-by-step explanation:
As an estimation we are told 5 miles is 8 km.
Convert 68 km to miles.
Answer:
42.5 miles
Step-by-step explanation:
68 : 8 = 8.5 km
8.5 x 5 = 42.5 miles
Need help ASAP
1 ft.
1.5 ft
5 ft
10 ft
What is the area of this trapezoid?
square feet
Answer:
75
Step-by-step explanation:
If you fold a paper 3 times how many rectangles do you get???
Answer:
8 rectangles
Step-by-step explanation:
I just folded a piece of paper three times and I counted 8 rectangles!
Answer:
8
Step-by-step explanation:
mr mole left his burrow that lies below the ground and started digging his way at a constant rate deeper into the ground.
Answer:
A(t)=-1.8t-4.5
Step-by-step explanation:
HELP HELP HELP HELP HELP HELP HELP I GIVE BRIANIST REALLY NEED IT PLS NO WRONG ANSWERS!
Question: The sum of an integer and its opposite is always, sometimes or never equal to zero?
Answer: Always
An example would be 5 + (-5) = 0
Another example is -7 + 7 = 0
The opposite of any positive number is the negative version of that number.
Adding any positive number to its negative counterpart always leads to 0.
A real world example could be "You start on the ground floor. Then you go up 9 floors, and then go down 9 floors in a building, so ultimately you're at the ground floor again". By the term "ground floor", I mean "floor 0".
3. Simplify (x - 2)(4x2 + 2x - 3) =
A. -4x2 – 2x + 3
B. 4x3 - 8x2 – 3x + 6
C. 4x3 - 6x2 - 7x + 6
D. 4x3 + 10x2 + x - 6
Answer:
4x3−6x2−7x+6
Sorry if I got it wrong.
An employee put $10,000 in a retirement
account that offers 4% interest
compounded annually.
The employee makes no additional deposits or
withdrawals. Which amount is closest to the interest
the employee will have earned at the end of 12 years?
A) $4,520.14
B) $5,200.36
C) $6,010.32
D) $2,340.18
The phrase "This is just the tip of the iceberg" is often used. It refers to the huge masses of ice that float in the oceans and only show a small fraction of their structure on the surface. Most of the icebergs hide below the water level. Based on the diagram below, what is the likely density of icebergs? (The density of salt water in the oceans is 1.03 g / ml.)
PLS HELP I WILL GIVE BRAINLIEST ASAPP THIS IS URGENT
Answer: 0.90 g/cm3
Step-by-step explanation:
Their ratio is given by the mass density of ice: M/V = Rhoi ~ 0.90 g/cm3 (iceberg ice is more dense than normal ice since it has been compressed by thousands of years of pressure - normal ice is 0.917 g/cm3).
Answer:
Basal melting of floating ice shelves and iceberg calving constitute the two ... of the Southern Ocean free of large icebergs are largely populated by small iceberg the hidden part, which is the most important in terms of effort and often the most So this work explores use of NISAR to map surface structures visible on ice
Step-by-step explanation: