Peter leaves work and drives 10miles due south he then heads east for 11 miles to reach his home how far is Peter home from where he works round answer to nearest tenths place
Answers
Answer:
14.9 miles
Step-by-step explanation:
In the image below, the side of the triangle a, represents; "Peter leaves work and drives 10miles due south".
The side of the triangle b represents; "he then heads east for 11 miles to reach his home"
The distance between his work and home is represented by side c of the triangle.
This is a tight angle triangle, hence pythagoras theorem would be applied in solving it.
This theorem states that the square of the hypotenuse of a right angle triangle is equal to the sum of the squares of the other two sides;
This means we have;
c² = a² + b²
c² = 10² + 11²
c = √(100+121)
c = 14.87
Rounding off to the nearest tenths = 14.9
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What do you notice about dividing numbers with the same base?
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Answer:
it's the one all the way to the right
Which expression best estimates. -18 1/4 ÷ 2 2/3 A. 18÷3 B. -18÷3 C.-18÷(-3) D. 18÷(-3)
Answers
Answer:
the amswer is d hope this helps
An item has a listed price of $45. If the sales tax rate is 5%, how much is the sales tax (in dollars)?
Answers
Answer:
$42.75
Step-by-step explanation:
based on the information in the table wich of these key features is incorrect
Answers
Find the prime factor of the number 3825.
Answers
Answer:
the answer is 3×3×5×5×17=3825 use prime factorization
3(1−9a)+22a=2(2a−9)−15
i need a step by step explanation
Answers
Step-by-step explanation:
3(1-9a)+22a=2(2a-9)-15
3-27a+22a=4a-18-15
-27a+22a-4a=-18-15-3
-a=-36
a=36
Answer:
A= 4
Step-by-step explanation:
3(1-9a)+22a=2(2a-9)-15
3-27a+22a=2(2a-9)-15
3-5a=2(2a-9)-15
3-5a=4a-33
3-5a-3=4a-33-3
-5a=4a-36
-5a-4a=4a-36-4a
-9a=-36
-9a/-9 = -36/-9
A=4
Jennifer's grade on a math quiz was a 85%. There were 20 questions on the quiz.
Answers
Answer:
She got 16/20 on the test
Step-by-step explanation:
Just divide 16/20 and the answer is 80%
870 g of brass contains 40 percent zinic and the rest is copper.find the mass of zinic and copper in the alloy
Answers
Step-by-step explanation:
Mass of Zinc = 870g * (40/100) = 348g.
Mass of Copper = 870g - 348g = 522g.
Mass of zinc = 40/100*870 = 348
Mass of Copper = 60/100*870 = 522
Therefore, the mass of zinic in the alloy is 348 and the mass of copper in the alloy is 522.
Hi Can you help me with this math question
i will give you 20 points if you can help me
Answers
Answer:
a) all equations must have an equal sign
b) (5,15) and (6, 18)
c) don't know Cop?
d) f(p) = 3g where 'p' is points and 'g' is goblins defeated
e) f(12) = 3(4)
Step-by-step explanation:
If A = 50 degrees, B = 62 degrees, and a = 4, find b.
Round to the nearest tenth.
Answers
=================================================
Work Shown:
Use the law of sines
b/sin(B) = a/sin(A)
b/sin(62) = 4/sin(50)
b = sin(62)*4/sin(50)
b = 4.61042489526572
b = 4.6
Make sure your calculator is in degree mode.
Write the equation 3x+2=4x² in standard form.
Identify the values of a,b, and c that you would use to solve the equation using the Quadratic Formula.
Answers
Answer:
Write the Equation in Standard Form 3x+2=4x^2. 3x+2=4x2 3 x + 2 = 4 x 2. To write an equation in standard form, move each term to the left side of the equation ...
Missing: 4x² | Must include: 4x²
Step-by-step explanation:
Write the Equation in Standard Form 3x+2=4x^2. 3x+2=4x2 3 x + 2 = 4 x 2. To write an equation in standard form, move each term to the left side of the equation ...
Missing: 4x² | Must include: 4x²
slope intercept form of y+5=-7/4 ( x - 4)
Answers
Answer: y=-7/4x+2
Step-by-step explanation:
Of the 75 cars that Lindsay saw pass on the highway, 16% had an out-of-state license plate. How many had an out-of-state license plate?
Answers
Answer:
12
Step-by-step explanation:
75 * 0.16 = 12
Answer:
12 cars
Step-by-step explanation:
the perimeter of a rectangle is (8x + 7y) feet, give two possible dimensions of the rectangle
please help ??
Answers
Answer:
Two possible dimensions of the rectangle are 4x and 7/2 y.
Step-by-step explanation:
The Perimeter of a Rectangle
It's given the perimeter of a rectangle is
P = 8x + 7y
The formula to calculate the perimeter of a rectangle of dimensions L and W is:
P = 2W + 2L
Equating term by term, we can guess two possible dimensions of the rectangle:
2W = 8x
Dividing by 2:
W = 4x
And also:
2L = 7y
Dividing by 2:
L = 7/2 y
Thus, two possible dimensions of the rectangle are 4x and 7/2 y.
Evaluate this expression when x is -250
-2x+400
Answers
Answer:
900
Step-by-step explanation:
-2(-250)+400
or, 500+400
=900
Please mark me as brainliest
you can now mark them as brainliest
I got this question wrong. My teacher said something about altitude, but I have not a clue how to do it
Answers
Answer:
cone shape and cm 3
area of shape
Step-by-step explanation:
3 cm ×8 cm
24
please follow me all friends who are watching me who made answer
1-:4(x-3)=5 what is x
Answers
Answer:
x = 23
Step-by-step explanation:
1/4(x-3)=5
Multiply both sides by 4.
x - 3 = 20
Add 3 to both sides.
x = 23
Pleaseeee helpppp !!!!!!!!! Will mark Brianliest !!!!!!!!!!!!
Answers
Answer:
X=60
Step-by-step explanation:
4/10=24/x
cross multiply
4x=240
x=240/4
x=60
The whole number 24 is equivalent to
Answers
Answer:
24/1 please mark as brainliest
Explanation: this would be 24/1 because when the denominator is a one whatever the top number is is a whole number.
2 tickets cost $14. How many tickets can you buy with $63
Answers
Answer:
9 tickets
Step-by-step explanation:
If two tickets cost 14 dollars, then each ticket will cost 7 dollars
63/7=9
You can buy 9 tickets
Answer:
You can buy about 31 tickets
Step-by-step explanation:
Find an equation for the line perpendicular to 4 x + 12 y = 96 and goes through the point ( − 3 , 4 ) . Write your answer in the form y = m x + b .
Answers
Answer:
y= 3/4x + 6.4
Step-by-step explanation:
If your teacher asks why it's so specific tell them you used desmos <3
What is the coefficient of y^3 in the expansion of (y+3) raised to the 4th power?
A. 1
B. 6
C. 4
D. 3
Answers
The family built a house that has a length and width in a ratio of 5: 4, what is the length and width of the house if the total area of two identical floors is 160m2
Answers
I hope it will help u , please Brain -list the question
Step-by-step explanation:As given that
L:W=5:4
L/W=5/4
L=(5/4)W
hence we also know that
Area of rectangle= L*W
As given A=160m2
putt the value of A and L=(5/4)W in above equation ,
hence 160 = (5/4)W * W
W^2 = 160*4/5
W^2 = 32*4
W^2=128
taking square root
W= +_ 11.3
but length can't be negative so we take positive value of W
W=11.3 m
Now for L putt in above equation,
L=5/4 * 11.3 = 14.12 m
A grocery store sells tangerines in 25kg bags. A customer bought 4 kg of tangerines for a school party. How many bags did he buy? (2 points) A. Write a multiplication equation and division equation to represent the situation.
Answers
Answer:
x = 4/25
Step-by-step explanation
Amount of tangerines in bags sold = 25kg
If a customer bought 4kg of tangerines, the number of bags he bought is expressed as x;
4 kg = x bags
25 kg = 1 bag
Cross multiply
25 x = 4 * 1
25x = 4
Divide both sides by 25
25x/25 = 4/25
x = 4/25
Hence the required equation is x = 4/25
Answer:
So if you are in middle school like me, they are asking for an equation answer, and that equation is 4 divided by 2/5 = _ and _ x 2/5 = 4
Step-by-step explanation:
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Answer:
Step-by-step explanation:
Three guys rent a hotel room for the night. When they get to the hotel they pay the $30 fee, then go up to their room. Soon the bellhop brings up their bags and gives the lawyers back $5 because the hotel was having a special discount that weekend. So the three lawyers decide to each keep one of the $5 dollars and to give the bellhop a $2 tip. However, when they sat down to tally up their expenses for the weekend they could not explain the following details:
Each one of them had originally paid $10 (towards the initial $30), then each got back $1 which meant that they each paid $9. Then they gave the bellhop a $2 tip. HOWEVER, 3 • $9 + $2 = $29.
The guys couldn't figure out what happened to the other dollar. After all, the three paid out $30 but could only account for $29.
Can you determine what happened?
Answers
Answer:
I didnt understand but lets just say the bellhop took ot
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Answer:
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Answer:
b
Step-by-step explanation:bb
Step-by-step explanation:
Angle 6 and Angle 3 must be supplementary to show that the 2 lines are parallel (D).
Which of the following may be used as reasons in a two-column proof? Select all that apply.
Answers
Answer:
definitions, theorems, postulates, properties, and "given"
Step-by-step explanation:
Definitions, theorems, postulates, properties, and statements that are given are all either assumed to be true or proven to be true, and can be cited in a two-column proof.
Quotes and opinions are not statements of fact, and cannot be used in proofs.