show work please I need help with both questions 3 and 5 thanks
Answer:
B) {8.71}
Step-by-step explanation:
3. l.c.m=28
28×3/7=28×b-7/4
4×3=7(b-7)
12=7b-49
12+49=7b
61=7b
61/7=7b/7
8.71=b
b=8.71.
# no spams
ans should be well explained
Answer:
1.3cm
Step-by-step explanation:
7*7=49
4.9-3.5=1.3cm
1.3cm of cloth is left out
[tex]▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ { \huge \mathfrak{Answer}}▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ [/tex]
Area of cloth left out :
[tex]\boxed{ \boxed{10.54 \: \: cm {}^{2} }}[/tex]Solution is in attachment !
Prove sum of interior angle triangle is 180
Given :-
A triangle ABC .To prove :-
Sum of interior angles of a ∆ is 180° .Construction :-
Draw a line MCN parallel to AB . Extend line AB to K .Proof :-
In ∆ ABC , we have ,
[tex]\angle[/tex] BAC + [tex]\angle[/tex] BCA = [tex]\angle[/tex] CBKAs sum of two interior angles of a triangle is equal to the opposite exterior angle .
Also ,
[tex]\angle[/tex] ABC + [tex]\angle[/tex] CBK = 180°( linear pair )
Hence from above two ,
[tex]\angle[/tex]ABC + [tex]\angle[/tex] BAC + [tex]\angle[/tex] ACB = 180°Hence Proved !
Which expression is equivalent to
(4x^5 +11)^2?
O 16x^5 + 121
O 16x^10 + 121
O 16x^10 +88x^5 + 121
O 16x^25 +88x^5 + 121
Which expression is equivalent to (4x⁵ + 11)² ?
O 16x^5 + 121
O 16x^10 + 121
⊙ 16x^10 +88x^5 + 121
O 16x^25 +88x^5 + 121
Step-by-step explanation:
Using formula :
(a + b)² = a² + 2ab + b²
so that…
(4x⁵ + 11)²
= (4x⁵)² + 2(4x⁵)(11) + 11²
= 16x¹⁰ + 88x⁵ + 121
[tex]16x^{10} +88x^{5} +121[/tex] expression is equivalent to [tex](4x^{5} +11)^{2}[/tex].
What is an expression?An expression in math is a sentence with a minimum of two numbers/variables and at least one math operation in it.
Given expression
[tex](4x^{5} +11)^{2}[/tex]
It is in the form of [tex](a+b)^{2} =a^{2} + 2ab+b^{2}[/tex]
[tex](4x^{5} +11)^{2}[/tex] = [tex](4x^{5}) ^{2} +2\times 4x^{5}\times11+11^{2}[/tex]
= [tex]16x^{10} +88x^{5} +121[/tex]
[tex]16x^{10} +88x^{5} +121[/tex] expression is equivalent to [tex](4x^{5} +11)^{2}[/tex].
Find out more information about expression here
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helppppppppppppppppppppppmeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeemeeeeeeeeeeeeeeeeeeeeeeeeeee
Answer
a) 3 to 8 b) 1 to 9 c) 8 to 6 (4 to 3 if simplified) d) 2/5
Step-by-step explanation:
These are all similar questions. You need to find the Greatest common divisor or factor that are composite integers multiplying to said fraction; in most simpler terms. Take a the GCF is 7, 21 is a multiple of 7 3x exponentiating it then 56 8x. If you need further links I have apps and links that can explain it.
is it
A) LC
B) ML
C) CM
D) CL
help me pls in mathmatics
Answer:
-20
Step-by-step explanation:
Lets substitute to solve:
[tex]\frac{mn}{p} +(-n)[/tex]
[tex]\frac{2(12)}{-3} +(-12)[/tex]
[tex]\frac{24}{-3} +(-12)[/tex]
[tex]-8} +(-12)[/tex]
[tex]-20[/tex]
Answer:
yeah i agree it may be 20
Step-by-step explanation:
The marks scored by a group of students in English examination are as follows: 30,32, 33, 31, 32, 33, 34, 35, 33, 34 . Find the mode of their marks.
Answer:
Answer is 32
Step-by-step explanation:
Mode = no of stu +1/2
Mode =12+1/2
Mode =13/28=6.5
Mode =6th mark +7th mark /2
Mode=32+32/2
Mode=64/2
Mode=32
Hope it helps
Peace
Please mark me as brainliest
Use a net to find the surface area of the prism. 7 cm 10 cm 5 cm
The surface eof the prism is 6254900
Mia invests £3200.when her investment matures she receives £3328. What was the actual increase?
In Exercises 13-20, find the value of x so that the function has the
given value.
13. f(x) = 6x; f(x) = -24
14. g(x) = -10x; g(x) = 15
15. f(x) = 3x – 5; f(x) = 4
16. h(x) = 14 – 8x; h(x) = -2
Step-by-step explanation:
13. f(x) = 6x; f(x) = -24
6x = -24
x = -4
14. g(x) = -10x; g(x) = 15
-10x = 15
x = -1.5
15. f(x) = 3x – 5; f(x) = 4
3x-5 =4
3x =9
x = 3
16. h(x) = 14 – 8x; h(x) = -2
14-8x=-2
-8x = -16
x = 2
determine whether each equation defines y as a function of x.
2x + y2 = 6
Answer:
NOT a function
Step-by-step explanation:
y^2 (not y2) is "the square of y"
The given 2x + y^2 = 6 can be solved for y as follows:
Subtracting 2x from both sides, we get y^2 = 6 - 2x, whose y-values are y = ±√(6 - 2x). Because there are two y-values associated with each x value, this is NOT a function. In a function there is only one y value for each x value.
jebal answer now guys
Help me with this 37 to 40
49. The line containing (1, -3) and (3, y) is parallel to the line containing (5, -6) and (9, y).
How do I find y?
Answer:
y = 0
Step-by-step explanation:
Parallel lines have equal slopes
Calculate the slopes of both lines and equate them
Calculate the slope m using the slope formula
m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]
with (x₁, y₁ ) = (1, - 3 ) and (x₂, y₂ ) = (3, y )
m = [tex]\frac{y-(-3)}{3-1}[/tex] = [tex]\frac{y+3}{2}[/tex]
Repeat with (x₁, y₁ ) = (5, - 6 ) and (x₂, y₂ ) = (9, y )
m = [tex]\frac{y-(-6)}{9-5}[/tex] = [tex]\frac{y+6}{4}[/tex]
Equating the 2 expressions
[tex]\frac{y+3}{2}[/tex] = [tex]\frac{y+6}{4}[/tex] ( cross- multiply )
4(y + 3) = 2(y + 6) ← distribute parenthesis on both sides
4y + 12 = 2y + 12 ( subtract 2y from both sides )
2y + 12 = 12 ( subtract 12 from both sides )
2y = 0 , then
y = 0
Cross products: what number is missing?
Can someone PLEASE tell me the answer to this
Answer:
its 6.
Step-by-step explanation:
you could simplify it or cross multiply
Which function represents the dotted graph
Answer:
y=f(x-2)-1
Step-by-step explanation:
-x is left and -y cordnate is down 1 is the y
if i= V-1, what is the value of i10 ?
Answer:
-1
Step-by-step explanation:
find the greatest common factor of the numbers 20,45
Answer:
5
Step-by-step explanation:
list the factors and the greatest is the answer
Please answer this math problem... I will mark you brainliest
Answer:
18x + 6 = 6(3x + 1)
2x + 4= 2(x + 2)
Explanation:
For 2x +4:
group the common factor
2x + 4
and you'll get 2(x + 2)
For 18x + 6:
You'll do the same thing
18x + 6
and you'll get
6(3x + 1)
17. A person spends 20% of his income towards
food, 25% for education, 15% for miscellaneous
expenses, and saves 40%. The angle of sector rep-
resenting expenditure towards education in pie
diagram showing his income is
Answer:
90°Step-by-step explanation:
This is the part of the circle to reflect the education pie.
25% of the circle is:
0.25*360° = 90°2. Order the numbers from smallest to largest. *
Order the rational numbers listed below from smallest value to
largest value using the numbers 1, 2, 3, and 4.
Use the number 1 to represent the smallest value.
Use the number 4 to represent the largest value.
Order:
Rational
Number:
23
(0.7)
0.75
Your answer
Answer:
1. 0.7
2. 0.75
3. 23
Step-by-step explanation:
You didn't provide a fourth number.
Find the median
2 , 3 , 10 , − 2 , − 3 , 12 , 13 , 1
Answer:
2.5
Step-by-step explanation:
There are eight numbers, and the two middle numbers are 2, and 3. When there's an even amount of numbers, we calculate the average of the two middle numbers.
A student said that the relation{(-2,3),(4,4),(4,5),(5, -8)} is a function. Do you agree? Why or why not?
Answer:
Step-by-step explanation:
Disagree. (4, 4) and (4, 5) show that for a single input, 4, there are two distinct outputs (4 and 5). In a function no more than 1 output can be associated with a given input.
The given relation is not a function.
What are the possible values of x and y for two distinct points, (5, –2) and (x, y), to represent a function?
The value of x can be
.
The value of y can be
Answer:
What are the possible values of x and y for two distinct points, (5,-2) and (x, y), to represent a function? The value of x can be:
A.) Any real number
B.) Any real number except 5
C.) Any real number except 5 and -2
The value of y can be:
A.) Any real number
B.) Any real number except -2
C.) Any real number except 5 and -2
Answer:
1: b- any real number except 5
2: a- any real number
Step-by-step explanation:
How you evaluate this?
54 divided by what equals 9?
Answer:
6
Step-by-step explanation:
After divide, the solution of the expression is,
⇒ 54 ÷ 9 = 6
What is Division method?Division method is used to distributing a group of things into equal parts. Division is just opposite of multiplications.
For example, dividing 20 by 2 means splitting 20 into 2 equal groups of 10.
Given that;
The expression is,
⇒ 54 ÷ 9
Now, We can divide as;
⇒ 54 ÷ 9
9 ) 54 ( 6
- 54
------
00
Thus, After divide, the solution of the expression is,
⇒ 54 ÷ 9 = 6
Learn more about the divide visit:
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Select three ratios that are equivalent to 5:2
Answer: Check whether the given ratios are equal? The given ratios 3: 5 and 15: 25 are equal. Because when you divide the ratio 15: 25 by 5 on both numerator and denominator, the first ratio 3: 5 can be obtained. Similarly, when you multiply the first ratio 3: 5 by 5, the ratio 15: 25 can be obtained.
Step-by-step explanation:
Hope this helps!
Someone help plz make sure it’s right will mark brainiest:)
Answer:
y = 8x - 3
Step-by-step explanation:
1. The slope-intercept form of any linear equation is y = mx + b, where y = y-coordinate, m = slope, x = x-coordinate, and b = y-intercept.
2. Since we're already given the slope, 8, our equation looks like this so far: y = 8x + b.
3. We can use the formula [tex]b = y_1 - m * x_1[/tex] to find the y-intercept.
[tex]b = (5) - (8) * (1)[/tex] [tex]b = 5 - 8[/tex] [tex]b = -3[/tex]4. Since b = -3, our equation now looks like this: y = 8x - 3.
Therefore, the correct answer is y = 8x - 3.
What is the value of a/b?
(use the variables w weight and L-length and show me a possible equation:
Answer: (2.1/3) [if I read the numbers correctly]
Step-by-step explanation:
Similar triangles have identical angles, desite having different sides. But the sides remain in the same proportions. I can't quite make out the exact numbers since the photo is too small, but it the lower tiangle has sides of 2.1 and 3, the second triangle will have the same two sides in the same proportion: 2.1/3.