Answer:
the answer is A.
Step-by-step explanation:
5b-6=24
add 6 to both sides
5b=30
divide 5 to both sides
b=6
hope this helps
(mark as brainliest)
The steps in solving 5b-6=24 are adding 6 to both sides and dividing both sides by 5, the value of b is 6.
What is the linear equation?The standard form or the general form of linear equations in one variable is written as, Ax + B = 0; where A and B are real numbers, and x is the single variable.
The given equation is;
5b-6=24
The steps are used to solve the problem given below.
Add 6 to both sides
5b-6=24
5b - 6+6 = 24 +6
5b =30
Divide both sides by 5
5b/5 = 30/5
b= 6
Hence, the steps in solving 5b-6=24 are adding 6 to both sides and dividing both sides by 5, the value of b is 6.
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30.54
Which relationship in the triangle must be true?
sin(B) = sin(A)
sin(B) = cos(90 -B)
cos(B) = sin(180 - B)
cos(B) = cos(A)
Explanation:
The rule is that
sin(A) = cos(B)
if and only if A+B = 90.
Solving for A gets A = 90-B
So we end up with
sin(90-B) = cos(B)
which is the same as
cos(B) = sin(90-B)
what is shaun’s percent grade if he got 23 out of 25?
Answer:
92%
Step-by-step explanation:
100 ÷ 25 = 4
23 × 4 = 92
How does the graph of the circle described by x2+(y−7)2=49 change when its equation is changed to (x+5)2+(y−4)2=64?
Select each correct answer.
The Circle's radius decreases
The circle's radius increases
The circle moves up
The circle moves down
The circle moves left
The circle moves right
Please help, I will give Brainliest and 30 points.
The circle moves down
the circle moves left
the circle's radius increases
I took the test
The circle radius increases , the circle moves down and the circle moves left.
What is circle?A circle is special kind of "ellipse in which eccentricity is zero and the two foci are coincident".
According to the question,
The circle x² + (y-7)² = 49. When the given circle changes (x+5)² + (y-4)² = 64
Equation of the circle = (x-a)² + (y-b)² = r²
x² + (y-7)² = 49
(x-0)² + (y-7)² = (7)²
The circle has center (0,7) and radius is 7.
Circle changes (x+5)² + (y-4)² = 64
(x+5)² + (y-4)² = (8)²
The circle has center (5,4) and the radius 8.
Below diagram clearly shows the circle radius increases , the circle moves down and the circle moves left.
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Susan invested some money at 6% annual interest and 800 dollars at 7%. The money earned 128 dollars interest in a year. How much was invested at 6%?
Answer:
Susan invested some money (M) at 6% annual interest and 800 dollars at 7%. The money earned 128 dollars interest in a year. Then we have:
M x 6/100 + 800 x 7/100 = 128
=> M*0.06 = 128 - 800*0.07 = 128 - 56 = 72
=> M = 72/0.06 = 1200 dollar
Hope this helps!
:)
A circle has the equation (x−13)2+(y−1)2=4.
A: What is the center of the circle?
B: What is the radius of the circle?
Select two answers: one for question A, and one for question B.
A: (13,1)
B: 4
A: (−13,−1)
A: (−13,1)
A: (13,−1)
B: 2
B: 2–√
Final answer:
The center of the given circle is at (13, 1), and the radius of the circle is 2.
Explanation:
The equation of a circle is generally given in the form (x - h)^2 + (y - k)^2 = r^2, where (h, k) is the center of the circle and r is the radius. Looking at the given equation (x - 13)^2 + (y - 1)^2 = 4, we can see that it is already in this standard form.
To answer the questions:
The center of the circle is (13, 1), which comes from the terms within the parentheses being subtracted from x and y.
The radius of the circle is not simply 4, as one might surmise by a quick glance. Instead, the equation gives us the radius squared, r^2 = 4. Taking the square root of both sides, we find that the radius, r, is 2.
Factor this polynomial expression
x + 10x + 25
Answer:
(x+5)^2
Step-by-step explanation:
Can someone help me with part a part B and part C please help me
Answer:
The 6 above 960 is incorrect.
It should be 60.
4240/16 = 265
A football player tosses the ball through the air to a teammate. Could the path of the ball be described by the equation y = 0.5x2 + 0.3x + 2?
Answer:
Step-by-step explanation:
No; the graph for the path of a ball must be a parabola that opens downward, so if the equation is in the form y = ax2 + bx + c, a must be negative.
Which measurement is longer?
7 kilometers or 800 meters?
Answer:
It would be 7 kilometers
Step-by-step explanation:
Because:
7 Kilometers = 8,000 meters
and
800 meters = 0.8 kilometers
And because kilometers are longer than meters.
Hoped this works!
7 kilometers is longer than 800 meters.
What is Unit of Measurement?A unit of measurement is a definite magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same kind of quantity
We need to find which measurement is longer
7 kilometers or 800 meters
1 kilometer is equal to 1000 meters, so
7 kilometers is equal
7 kilometers = 7 x 1000 meters = 7000 meters
Since 7000 meters is greater than 800 meters, we can conclude that 7 kilometers is longer than 800 meters
Hence, 7 kilometers is longer than 800 meters.
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Express sqrt-72 in its simplest form.
Answer:
[tex]\sqrt{72}[/tex] = 6[tex]\sqrt{2}[/tex]
Step-by-step explanation:
[tex]\sqrt{72}\\\sqrt{(4)(18)}\\[/tex]
2[tex]\sqrt{(2)(9)}[/tex]
(2)(3)[tex]\sqrt{2}[/tex]
6[tex]\sqrt{2}[/tex]
Answer:
6√2
Step-by-step explanation:
hello :
√72 = √(36×2) =√36×√2 =6√2 because :√36=6
find the exact length of the third side
Can anyone find the answer????
Answer:
A≈351.86 or rounded to the nearest tenth, 351.9.
Answer:
Your answer should be A.
Step-by-step explanation:
To begin, you must acknowledge the formula for the SA or Surface Area of a Cylinder. Which is: 2πrh+2πr2
Now, we plug it in!
2π4×10 + 2π16
How do I know this?
Your radius if 4, since it's half of the cylinder. Since the second part calls for your radius squared, you must do 4x4.
ITS AN EMERGENCY!! PLEASE HELPP!! I WILL MARK YOU BRAINLIEST IF CORRECT
Answer: A, C, E
Step-by-step explanation:
Since it was only translated and reflected, nothing changed except for its location.
Therefore, I chose answers A, C, and E.
Hope this helps! :)
Someone help me soon first to answer will be marked brainliest. Answer both slope and y intercept. Plz and thank you!
The intensity, or loudness, of a sound can be measured in decibels (dB), according to the equation I (d B) = 10 log left-bracket StartFraction I Over I Subscript 0 Baseline EndFraction Right-bracket, where I is the intensity of a given sound and I0 is the threshold of hearing intensity. What is the intensity, in decibels, [I(dB)], when I = 10 Superscript 32 Baseline (I Subscript 0)? 15 32 320 737
Answer:
320
Step-by-step explanation:
hope this helps!
The intensity of a sound of 10³² w/m² is 440 decibels.
What is an equation?An equation is an expression that is used to show the relationship between two or more variables and numbers.
Given that:
I(dB) = 10log(I/I₀)
Where I is the intensity of sound in w/m², I₀ = 10⁻¹²
Given that I = 10³², hence:
I(dB) = 10log(10³²/10⁻¹²) = 440 dB
The intensity of a sound of 10³² w/m² is 440 decibels.
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what is stand for BBC ?
Answer:
British broadcasting corporation
Step-by-step explanation:
Answer:
British broadcasting corporation
Step-by-step explanation:
A scale drawing of a square object has a scale of 1 in. : 5 mm. The scale drawing has a length of 2.5 inches. Find the perimeter and the area of the object in the scale drawing. Then find the perimeter and area of the actual object.
Answer:
Perimeter and area of drawing
Perimeter= 10 In
Area = 6.25 In²
Perimeter and area of object
Perimeter = 51.836 mm
Area = 167.936 mm²
Step-by-step explanation:
We are dealing with a square object, so let's talk about the drawing first.
The length of one side = 2.5 In
Perimeter of square= 4L
Perimeter = 4*2.5
Perimeter= 10 In
Area = L*L
Area = 2.5*2.5
Area = 6.25 In²
Letd note that 1 inch =
25.4 millimetres
So 2.5 Inch = 2.5 * 25.4
2.5 In = 63.5 mm.
25.4 mm is to 5mm
63.5 mm is to (63.5*5)/24.5
63.5mm is to 12.959 mm
So the length of actual object is 12.959mm
The perimeter = 4*12.959
Perimeter = 51.836 mm
Area = 12.959²
Area = 167.936 mm²
Answer:
The perimeter of the actual object is 50 mm.
The area of the actual object is 156.25 mm square
Step-by-step explanation:
Given
Shape: Square
Scale: 1 in : 5 mm
Length of Scale Drawing = 2.5 in
Required:
- Perimeter of Actual Object
- Area of Actual Object
Calculating the perimeter of the actual object
Provided that the shape is a square;
The perimeter of the actual object is calculated by
Perimeter = 4 * Length
Recall that the scale is 1 in : 5 mm
This means 1 in on the scale represents 5 mm of the actual measurements of the object.
So, if 1 in ≈ 5 mm, then
2.5 in ≈ 2.5 * 5 mm
2.5 in = 12.5 mm
So, Length = 12.5mm
Now, the perimeter of the actual object can be calculated.
P = 4 * 12.5mm
P = 50mm
Hence, the perimeter of the actual measurements is 50 mm.
Calculating the area of the actual object
The area of the actual object is calculated by
Area = Length * Length
Recall that Length = 12.5 mm as calculated above
So,
Area = 12.5 * 12.5
Area = 156.25 mm square
Hence, the area of the actual object is 156.25 mm square
What is the area pf the parallelogram, with lengths as marked, shown above?
Answer:
40
Step-by-step explanation:
To find the area of a parallelogram, you use the following formula:
base x height = area
Using this formula, we plug in the values the question provides, and solve for the area:
base x height = area
8 x 5 = area
40 = area
Answer:
Your answer would be 40
Step-by-step explanation:
break the polygon up into smaller shapes
and then add them all together for the final answer
If 45% of an item is $27.00 what is the original price?
Answer:
It would be $12.15.
Step-by-step explanation:
You would multiply 45% of 27.
45 * 27 = $12.15
Answer:
$12.15 is 45% of $27, so if the item was marked up, you add 12.15 and 27, and if it was marked down, you do 27 - 12.15
Step-by-step explanation:
a = p*w
a = .45*27
a = 12.15
hope this helps :)
Suppose a parabola has vertex (-8, -7) and also passes through the point (-7,-4). Write the equation of the parabola invertex form
Answer:
y = 3 (x+8)^2 -7
Step-by-step explanation:
The vertex form of the equation is
y = a(x-h)^2 +k
where (h,k) is the vertex
y = a (x- -8)^2 + -7
y = a (x+8)^2 -7
Now substitute the point into the equation to determine a
-4 = a (-7+8)^2 -7
-4 = a (1^2) -7
-4 = a -7
Add 7 to each side
-4+7 = a-7+7
3 =a
y = 3 (x+8)^2 -7
Answer:
y = 3(x + 8)² - 7
Step-by-step explanation:
y = a(x - -8)² - 7
y = a(x + 8)² - 7
-4 = a(-7 + 8)² - 7
3 = a
y = 3(x + 8)² - 7
What is the measure of 0 in radians? In the diagram 0 is a central angle.
If the radius was 1, the angle θ is the arc length. Here we have an arc length of 5 and a radius of 2, so an angle
θ = 5/2 radians
Not sure if they expect a fraction or a decimal.
Answer: 2.5 radians
Use the net to find the surface area of the rectangular prism.
Answer:
220
Step-by-step explanation:
The surface area is given by
SA = 2 ( lw+wh+lh) where l is length h is height and w is width
SA = 2(3*4 + 3*14+ 4*14)
= 2(12+42+56)
= 2(110)
= 220
The calculated surface area of the net is 208 square units
Finding the surface area of the net
From the question, we have the following parameters that can be used in our computation:
The net of the prism
The surface area of the net is then calculated as
Surface area = Area of big rectangle + 2 * Area of small rectangle
So, we have
Surface area = (14 + 3 + 14) * 4 + 2 * 3 * 14
Evaluate
Surface area = 208
Hence, the surface area of the net is 208 square units
a. A game uses spinner A below. If a player spins a 1, he or she wins
a prize. Explain How to find the theoretical probability of winning
a prize.
Spinner A
Answer:
1/4
Step-by-step explanation:
There are 4 slot, he/she need 1 slot to win, so 1/4
F (1) = -16. f(n)=-29-f(n-1) f2=
Step-by-step explanation:
f(n) = - 29 - f( n - 1 )
f(1) = - 16
Now
f(2) = - 29 - f ( 2 - 1 )
= - 29 - f ( 1)
= -29 - ( - 16)
= - 29 + 16
= - 13
Compare the two fractions using <, >, or =. 6/12 ___ 1/2
Answer:
6/12=1/2
Step-by-step explanation:
6/12_1/12
Reduce 6/12 into lowest form
6/12=1/2
We get,
1/2_1/2
Both are equal,therefore
6/12=1/2
Step-by-step explanation:
6. and 1
12. 2
=1. = 1
2. 2
i simplified 6 and 12
which gave me
1 over 2
Solving systems of equations algebraically.
y = 4x - 9
y= x - 3
And SHOW YOUR WORK PLEASE!!!!
Answer:
x = 2
y = -1
Step-by-step explanation:
Since it gives you the value of y already, just plug that into the equation, like so:
y = 4x - 9
x - 3 = 4x - 9
Subtract the x from both sides:
x - 3 = 4x - 9
-x - x
__________
-3 = 3x - 9
Then, add 9 to both sides:
-3 = 3x - 9
+9 + 9
________
6 = 3x
Divide both sides by 3:
2 = x
Now plug in x for y:
y = x - 3
y = 2 - 3
y = -1
Plz help will mark brainliest
Answer:
7
Step-by-step explanation:
ur welcome
select all the pairs that are alternate interior angles
Answer:
- ∠3 & ∠5
- ∠2 & ∠8
----------------------------------------------------------------------
Interior Angles - Angles that appear INSIDE the transversal
Transversal - The shape you see with two parallel lines intersecting it.
Alternate - Opposite of each other, on the other side as well.
The alternate interior angles are the pair of ∠2,∠8 and ∠3,∠5.
What is alternating interior angle?Alternate interior angles are the angles which are formed when two parallel lines cut by a transversal line.
Hence, the pair ∠2,∠8 and ∠3,∠5 are alternating interior angle.
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Translate the algebraic expression and simplify if possible.
The quotient of -2 and the sum of a and b
Please help me!
Which best describes how to subtract 6.45 from 81.3?
Answer:
simple just subtract and you get-74.85
Step-by-step explanation: