Answers:
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∠A and \angle B∠B are complementary angles. If m\angle A=(2x-4) ∘ and m\angle B=(5x+17) ∘ , then find the measure of \angle A∠A.
Answer: 18°
Step-by-step explanation:
Complementary angles are the angles that when we add them together, the value will equal 90°.
In this question, we've to add both angles and equate them to 90°. This will be:
(2x - 4) + (5x + 17) = 90
2x - 4 + 5x + 17 = 90
Collect like terms
2x + 5x = 90 + 4 - 17
7x = 77
x = 77/7
x = 11
Angle A will be:
= (2x-4)
= 2(11) - 4
= 22 - 4
= 18°
I need help with this
Answer:
D.
Step-by-step explanation:
You pass 3x to the other side so you get 4y = -16 - 3x
to clear y you divide both sides by 4
y = (-16-3x )/ 4
you can simplify this so it so it gives us
y = -4 - 3/4x
Jason has x nickels and y dimes. He has no less than 15 coins worth a maximum of $1 combined. Solve this system of inequalities graphically and determine one possible solution.
Answer:
x + y > 15
10x + 5y < 100
we will put it in terms of y
y > 15 - x
and
5y < 100 - 10x
y < 20 - 2x
-TheUnknownScientist
-2
-1
- 0
1
12.
3
-1
B
The midpoint of AB = ([?], [ ])
How would you simplify this? Please help
[tex]8^{\frac{4}{3}} = \sqrt[3]{8^4} = \sqrt[3]{(2^3)^4} = \sqrt[3]{2^{3*4}} = 2^4 = 16[/tex]
Answer: C (16).
[tex]2\sqrt{6} - 6\sqrt{54} = 2\sqrt{6} - 2 * 3 * \sqrt{6} * \sqrt{9} = 2\sqrt{6}(1-3\sqrt{9}) = 2\sqrt{6}(1-3*3) = 2\sqrt{6}(1-9)=2*\sqrt{6}*(-8) = -16\sqrt{6}[/tex]
1.
[tex] \sqrt[3]{8^{4} } [/tex]
2.
[tex]2 \sqrt{6} - 6 \sqrt{54} \\ 2 \sqrt{6} - 6 \sqrt{9 \times 6} \\ 2 \sqrt{6} - 18 \sqrt{6} \\ - 16 \sqrt{6} [/tex]
A classroom has a length of 20ft. And a width of 30ft. The flooring is to be replaced by tiles. If each tile has a length of 24 in and a width of 36 in, how many tiles are needed to cover the classroom?
Answer:
100
Step-by-step explanation:
first we need to turn the feet into inches
20x12=240
30x12=360
now to get the area of the floor we need to do 360x240=
86,400
now the area of each tile is 24x36=864
now to find out how many tiles fit on the floor we need to do 86,400 divided by 864 which = 100
What does difference of squares mean? How can you recognize it when looking at an expression?
Find from first principles, the derivative
3x+5/root x
Answer:
look at the picture
Step-by-step explanation:
What is the area of this isosceles trapezoid 96 60 48 72
Step-by-step explanation:
s3d4drks3ks2srddex5v5
The circumference of a circle is 17 π π in. Find its diameter, in inches
Answer:
r = 8.5 inches
Step-by-step explanation:
The circumference of a circle is given by
C = 2 * pi *r
17 pi = 2 * pi *r
Divide each side by 2 pi
17 pi / ( 2pi) = 2 * pi r/ ( 2 pi)
17/2 = r
8.5 = r
The answer is 8.5 inches.
A pyramid. This shape has faces. This shape has vertices. This shape has edges.
Answer:
5 faces 5 vertices 8 edges
Step-by-step explanation: i just finished it.
Answer:
This shape has
✔ 5
faces.
This shape has
✔ 5
vertices.
This shape has
✔ 8
edges.
Step-by-step explanation:
Trust me on this, also can I have brainiest please?
Hope you do well! :D
I did the instruction, and I got it correct.
A farmer is monitoring the water content of the soil during a dry summer. The water content of the soil is decreasing at a rate of 2.5% per week. If a certain soil sample contains 200 grams of water on July 1st, which equation describes the relationship between y, amount of water in grams, and t, time in weeks after July 1st?
Write the following expression as the product of a repeated variable. X^5
Answer:
25
Step-by-step explanation:
Mariah paid $5.00 for a dozen bagels. About how much
does one
bagel cost?
What equation would you use to find the solution?
Answer:
$2.40 a peice for one bagel
Every 2 days, Marina spends a total of 5.25 hours baking cupcakes and 4.75 hours decorating the cupcakes. At this rate, what is the total number of hours that Marina will spend baking and decorating cupcakes in 7 days?
PLS HELP!!! I HAVE A TIME LIMIT
Answer:
70
Step-by-step explanation:
Ok so we first add 4.75 and 5.25. 4.75+5.25=10. So 10 hours each day so 10 x 7 = 70. 70 hours in 7 days
Answer:
i would say it is either 30 or 35
Step-by-step explanation:
7/2=3.5
so you would round it down to 3 or keep it that
and 4.75+5.25=10
3(10)=30 and 3.5(10)=35
If it's every two days.
If your good at math please help me with this question
Answer:
answer: 361.88
Hope that helps!
Can someone plz help me find the area for this composite figure ??? Plz
[tex]S_\square = 8 * 8 = 64\\S_\triangle = \frac{ah}{2} = \frac{8*3}{2} = 4 * 3 = 12\\S = S_\square - S_\triangle = 64 - 12 = 52[/tex]
Answer: 52.
At a coffee shop, the first 100 customers'
orders were as follows.
Small
Medium Large
Hot
5
48
22
8
12
5
Cold
What is the probability that a customer ordered
a hot drink given that he or she ordered a large?
Answer:
Step-by-step explanation:
What is the probability that a customer ordered
a hot drink given that he or she ordered a large?
So we are looking for the percentage of a hot drink and a Large.
Our list:
Small
Medium Large
Hot
5
48
22
8
12
5
Cold
He can tell there is 10% atleast for hot and 0% for a large
The probability that a customer ordered a hot drink given that he or she ordered a large is 22%
What is probability?Probability denotes the possibility of the outcome of any random event.
Given that a table of the first 100 customers' orders at a coffee shop.
We need to find the probability that a customer ordered a hot drink given that he or she ordered a large,
= 22 / 100
= 22%
Hence, the probability that a customer ordered a hot drink given that he or she ordered a large is 22%
Learn more about probability, click;
https://brainly.com/question/30034780
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An Angle measures 64 more than the measure of its supplementary angle what is the measure of each angle
Answer:
Original angle = 122*
Supplementary angle = 58*
Step-by-step explanation:
A supplementary angle is one of two angles that make up 180*
If one angle is 30*, its supplementary angle is 150*. 30 + 150 = 180.
So in this case we have two angles, the original and the supplementary angle. The original angle is 64* more than the supplementary angle. The key word is MORE.
The formula to figure it out would look like this: x + (x + 64) = 180
x is the supplementary angle
x + 64 is the original angle (64 MORE than its supplementary angle)
180 is the total measure of the two angles because they are supplementary and we know that supplementary angles always equals 180* when added together.
Take the formula and do a little algebra.
x + (x + 64) = 180
Subtract 64 from both sides
x + x = 116
Combine the x's
2x = 116
Divide both side by 2
x = 58
Remeber we know that the original angle is 64 more than the supplementary angle, so we'll add the 64 to the value of x and we get 122.
x + 64 = 122
Check our work:
x + (x + 64) = 180
58 + 58 + 64 = 180
Given :
An angle which measures 64° more the measure of its supplementary angle.⠀
To Find :
The measure of its supplementary angle.⠀
Solution :
Let's assume the one of the supplementary angle as x and the other angle as (x + 64)° .Now,
⠀
According to the Question :
⠀
[tex]\longrightarrow\qquad \sf{{x + (x + 64) {}^{ \circ} = {180}^{ \circ} }}[/tex]
⠀
[tex]\longrightarrow\qquad \sf{{x + x + 64 {}^{ \circ} = {180}^{ \circ} }}[/tex]
⠀
[tex]\longrightarrow\qquad \sf{{2x + 64 {}^{ \circ} = {180}^{ \circ} }}[/tex]
⠀
[tex]\longrightarrow\qquad \sf{{2x = {180}^{ \circ} - 64 {}^{ \circ}}}[/tex]
⠀
[tex]\longrightarrow\qquad \sf{{2x = {116}^{ \circ} }}[/tex]
⠀
[tex]\longrightarrow\qquad \sf{{x = \dfrac{{116}^{ \circ}}{2} }}[/tex]
⠀
[tex]\longrightarrow\qquad \mathfrak{\pmb{{x = {58}^{ \circ} }}}[/tex]
⠀
Therefore,
One angle = 58°Other angle = 58° + 64° = 122°⠀
Henceforth ,
The measure of the two angles are 122° and 58° .5.3x - 9 + 7.6x simplify pls
Answer:
12.9x-9
Step-by-step explanation:
add 5.3x and 7.6x
Answer:
12.9x-9
Step-by-step explanation:
First you have to combine the like terms which are 5.3x + 7.6x= 12.9x. Then you just rewrite the equation 12.9x-9. You just leave the 9 by it self because there's no other like terms.
More examples -
5.3x+−9+7.6x
Combine Like Terms:
=5.3x+−9+7.6x
=(5.3x+7.6x)+(−9)
=12.9x+−
PLEASE HELP!
What shapes do I need to use to find the surface area? (How many of each shape)
Answer:
Area of Plane Shapes-
1. Triangle Area = ½ × b × h b = base h = vertical height
2. Square Area = a2 a = length of side
Step-by-step explanation:
The surface area of a solid object is a measure of the total area that the surface of the object occupies. The mathematical definition of surface area in the presence of curved surfaces is considerably more involved than the definition of arc length of one-dimensional curves, or of the surface area for polyhedra (i.e., objects with flat polygonal faces), for which the surface area is the sum of the areas of its faces. Smooth surfaces, such as a sphere, are assigned surface area using their representation as parametric surfaces. This definition of surface area is based on methods of infinitesimal calculus and involves partial derivatives and double integration. Surface area is the total amount of space that all of the surfaces of an object take up. It is the sum of the area of all the surfaces of that object.[1] Finding the surface area of a three-dimensional shape is moderately easy as long as you know the correct formula. Each shape has its own separate formula, so you'll first need to identify the shape you’re working with. Memorizing the surface area formula for various objects can make calculations easier in the future. Here are a few of the most common shapes you might encounter.
1
Define the formula for surface area of a cube.
2
Measure the length of one side.
3
Square your measurement for a.
4
Multiply this product by six.
Use the figure below to find the value of x and y.
x = 4, y = √12
x = 4, y = 8
x = 4√3, y = √6
x = 4√6, y = 8√3
Answer:
Step-by-step explanation:
from the pic
cos(30deg) = 4√3 / y = √3 / 2
y = 4 * 2 = 8
sin(30deg) = x/y = 1/2
x = y/2 = 8/2 = 4
ans is x = 4, y = 8
Answer:
Step-by-step explanation:
As the given triangle is a right-angled triangle,
tan(30degree) = x / (4√3) = 1/√3
x = 4
sin(30degree) = x / y = 1/2
y = 8
What is the sum of ⅔+
1/5
Step-by-step explanation:
1. make the denominators the same.
10/15+3/15= 13/15
help me plsssssssss plsssssssssssssssssssss
Answer:
3 x 3^6
Step-by-step explanation:
I hope this helps >3.
Which expression is not equal to the expression shown?
3³ ÷ 3⁻⁴
____________________Solution :-Given Information :-Equation 1 ( question )➢ 3³ ÷ 3⁻⁴Equation 2 ( option 1 )➢ 3⁻³ ÷ 3⁴Equation 3 ( option 2 )➢ 3 × 3⁶Equation 4 ( option 3 )➢ 3⁷ ÷ 3⁰Equation 5 ( option 4 )➢ 3³ × 3⁴To Find :-Which expression is not equal to the expression shown. Calculation :-Let's first solve all the equations and then check which equation is not equal to equation given in question.
Solving Equation 1 ( question ) :-⇒ 3³ ÷ 3⁻⁴ = 3³⁻⁽⁻⁴⁾
⇒ 3³⁺⁴ = 3⁷ = 2,187
Solving Equation 2 ( option 1 ) :-⇒ 3⁻³ ÷ 3⁴ = 3⁻³⁻⁴
⇒ 3⁻⁷ = 0.000457
Solving Equation 3 ( option 2 ) :-⇒ 3 × 3⁶ = 3⁷
⇒ 3⁷ = 2,187
Solving Equation 4 ( option 3 ) :-⇒ 3⁷ ÷ 3⁰ = 3⁷ ÷ 1
⇒ 3⁷ ÷ 1 = 2,187
Solving Equation 5 ( option 4 ) :-⇒ 3³ × 3⁴ = 3³⁺⁴
⇒ 3⁷ = 2,187
From the calculation of above equations, We have found that only Equation 2 ( option 1 ) 3⁻³ ÷ 3⁴ is not equal to Equation 1 ( question ) 3³ ÷ 3⁻⁴
Therefore, 3⁻³ ÷ 3⁴ ≠ 3³ ÷ 3⁻⁴
Hence, Option 1 is the correct answer.
____________________Final Answer :-Option 1 ) ⟶ 3⁻³ ÷ 3⁴ is the correct answer. ____________________C.P. = Rs400, Loss = 12% , Find S.P
Answer:
Step-by-step explanation:
CP= Rs 400
loss%=12%
let sp be x
SP=CP-loss%*CP
x=400-12/100*400
x=40000-4800/100
x=35200/100
x=352
therefore sp =Rs 352
Answer:
S.P. = ₹352
Step-by-step explanation:
UNITARY METHOD:
If C.P. = ₹100
Then SP = ₹(100-12) = ₹88
If C.P. = ₹1
S.P. = ₹(88/100)
Then, as given: C.P. = Rs 400
S.P. = ₹( 88/100)*400
= ₹352
Therefore, S.P. = ₹352
How many ways can 3 different flags be hung in a row if there are 8 flags to choose from?
Answer:
8 flags can be chosen for the first position
7 flags are left for the second position
6 flags are left for the third position
8 * 7 * 6 = 336
One angle of an isosceles triangle measures 138°. Which other angles could be in that isosceles triangle?
Answer:
2 21 degree angles
Step-by-step explanation:
An isosoles triangle has two congruent angles and every triangle's sum of interior angles equals 180 degrees. 138*2>180, so the 138 degree angle cannot be congruent to any of the other angles. Therefore:
180=138+2x
42=2x
21 degrees=x
Jackson is building a bookshelf and has a piece of wood that is 5/8 long. He needs to cut pieces that are 1/16 foot long. How many pieces can Jackson cut?
Answer:
6 is the Answer.Step-by-step explanation:
A fraction consists of two parts the top number and the bottom one.
Think of the top number as the count and the bottom as the size indicator. So you have:
countsize indicator −−−−−−−−−−→proper names numeratordenominator
'~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Consider the action example of dividing 3 into 6.
We can do this division directly because their size indicators are the same. That is, we have: 61÷31. People do not normally write it this way but it is correct.
To directly divide the counts the size indicator must be the same
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
So we need to see how many of 18 will fit into 34
We can not do this directly in one operation as the size indicators are not the same.
Lets make the size indicators (denominators) the same
Multiply by 1 and you do not change the value but
1 comes in many forms.
[34×1]÷18 → [34×22]÷18
[3×24×2]÷18 → 68÷18
Now that the size indicators (denominators) are the same we can just divide the counts (numerators)
countsize indicator→[68÷18]=6÷1=6
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
I could explain more showing the connection between this and the shortcut method but what I have shown you will do for now.
Find the volume and show work
Answer:
7234.56 km³
Step-by-step explanation:
Volume = 4/3(πr³)
Volume = 4/3(3.14 * 1728)
Volume = 4/3(5425.92)
Volume = 7234.56
Units = km³
7234.56 km³
If my answer is incorrect, pls correct me!
If you like my answer and explanation, mark me as brainliest!
-Chetan K
Find the mean of the data set {4.5,5, 3.5, 2, 2.5}.
So what is the answer ;, I nordeste im
Answer:
Mean = 3.5
Step-by-step explanation:
The given data is :
4.5,5, 3.5, 2, 2.5
We need to find the mean of the given data.
We know that,
Mean = sum of observations/total no. of observations
Here,
Total no. of observations = 5
Sum of observations = 4.5 + 5+ 3.5+ 2+ 2.5 = 17.5
Mean,
[tex]m=\dfrac{17.5}{5}\\\\m=3.5[/tex]
Hence, the mean of the data set is equal to 3.5.