Hi guys can u please help and doing hw and i don't understand.
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Answer:
C
Step-by-step explanation:
The weight of the weight lighting bar = the initial value/y-intercept (b) = 45
Amount of weight = x
Total amount of weight = y
The rate of change (m) = 1
Thus to write the function that models this situation, substitute m = 1, and b = 45 into y = mx + b
Thus:
y = (1)x + 45
y = x + 45
The correct option is c
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Which of the following shows 27/54 written in prime factored form to help in reducing the fraction to simplest form? A. 9x3/9x6 B. 27x1/27x2 C. 3x3x3/3x3x3x2 D. 1/2
A circle is centered at the point (5, -4) and passes through the point (-3, 2).The equation of this circle is (x + ___)2 + (y + ___)2 = ___
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To find this area we just need to add up the area of all of those sides.
The 2 bases are the same area and defined by the length and width.
That leaves the 2 sides defined by length and height,
plus the 2 defined by width and height.
Of course, to find the area of a rectangle, we just multiply together its two dimensions.
length × height = 14 × 6 = 84
width × height = 9 × 6 = 54
2 × 84 + 2 × 54 = 276 m²
k12
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The measure of DE of the triangle is given by law of sines and DE = 31.3
What is the law of sines?
The relationship between a triangle's sides and angles is provided by the Law of Sines. Trigonometry's law of sines can be expressed as a/sinA = b/sinB = c/sinC, where a, b, and c are the lengths of the triangle's sides, and A, B, and C are the triangle's respective opposite angles.
Law of Sines :
a / sin A = b / sin B = c / sin C
Given data ,
Let the triangle be represented as ΔDEF
Now , the measure of sides of the triangle are
The measure of EF = 22
The measure of angle ∠D = 43°
The measure of ∠E = 62°
And , the measure of ∠F = 180° - 43° - 62° = 75°
From the laws of sines , we get
a / sin A = b / sin B
On simplifying , we get
EF / sin 43° = ED / sin 62°
So , the measure of DE = ( 22 / 0.7 ) ( sin 75° )
And , the measure of DE = 31.3 units
Hence , the measure of DE of triangle is 31.3 units
To learn more about laws of sines click :
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Detailed solution is attached
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It is not necessary to use a hundred chart to solve 90 - 80, the strategies are counting up and number bonds.
What is Algebra?
Algebra is the study of abstract symbols, while logic is the manipulation of all those ideas.
The acronym PEMDAS stands for Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This approach is used to answer the problem correctly and completely.
We are given that;
To solve 90-80
Now,
Counting up: Starting from 80, count how many numbers you need to add to get to 90. This can be done by counting by ones or by using skip counting, such as counting by tens and then adjusting for the remaining ones. For example, counting by tens would give 80, 90, so the answer is 2.
Using number bonds: Recognize that 90 is a "friendly" number that can be decomposed into 80 and 10. Then, subtract 80 from 80 to get 0, and subtract 10 from 10 to get 0, so the answer is 0 - 0 = 0.
Using mental math: Recognize that 90 - 80 is the same as 9 - 8, which is 1. This can be done by subtracting the ones digits first, and then the tens digits if necessary.
In summary, while a hundred chart can be a useful tool for some math problems, it may not be the most efficient or necessary strategy for solving 90 - 80.
Therefore, by algebra the answer will be counting up and number bonds.
More about the Algebra link is given below.
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i hope this helps u
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(number of possible ways to succeed)
divided by
(total number of possible outcomes) .
Number of ways to succeed = 2 (pick the 'A' or the 'L')
Total number of possible outcomes = 5 (the cards on the table) .
Probability of success = 2/5 = 40% .