Answer:
61 boys
Step-by-step explanation:
x=girls
2x+5+x=89
3x+5=89
3x=84
x=28
28 x 2 = 56
56+5=61
The number of boys in the band will be 61.
What is an expression?Expression in maths is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division.
Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.
Given that there are 89 students in the Oakwood Middle School band. The number of boys in the band is 5 more than twice the number of girls.
The equation can be formed as below,
2x+5+x=89
3x+5=89
3x=84
x=28
The number of boys will be,
B = 2x + 5
B = 28 x 2 + 5
B = 56+5=61
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total cost spent at a play avries directly with how many tickets are purchased. if any buys 5 tickets and spends 30 dollars. how much would 25 tickets cost
Answer:
$150
Step-by-step explanation:
5 x 6 = 30
25 x 6 = 150
Answer:
If it is a solution of equations, then plug your solution into the equations you are working on to make sure that all equations are satisfied by your solution.
Step-by-step explanation:
I hope that this was helpful.
15 time the difference of 14 and 6
Answer:
120
Step-by-step explanation:
14-6=8x15=120
Jose has $4. His mom gives him $2 each time he does his homework. He is saving up to
buy a game that costs $68. How many times does he have to complete his homework in
order to reach this goal?
which point on the number line best represents the square root of 22
Answer:
4.7
Step-by-step explanation:
4.69041575982
Round to 4.7
Shawn said that in standard notation,
7.142 x 107 will have 7 zeros after the
2 because the exponent is a 7. Is he
correct? Why or why not?
Answer:
This is incorrect.
Step-by-step explanation:
You move the decimal 7 places to the right after the 7. Since 2 is the third digit, you're adding 4 more zeros.
What is the inverse of f(x) = sqft x+ 3
Answer:
[tex]f^{-1} (x)=x^{2} -3[/tex]
Step-by-step explanation:
Given the function
[tex]f\left(x\right)=\sqrt{x+3}[/tex]
We can find the inverse function by exchanging x and y, and then solve for y.
[tex]y=\sqrt{x+3}[/tex]
Replace x with y.
[tex]x=\sqrt{y+3}[/tex]
square both sides
[tex]x^2=y+3[/tex]
[tex]y=x^2-3[/tex]
Hence,
[tex]f^{-1} (x)=x^{2} -3[/tex]
Using the slope formula, find the slope of the line through the points (0,0) and (4,12).
Answer:
3
Step-by-step explanation:
slop of given point is 3
Solve the equation tanxtan(x – 45°)=0 for 0° < x < 360°.
Answer:
\tan \left(\frac{\sin \left(x\right)-\cos \left(x\right)}{\cos \left(x\right)+\sin \left(x\right)}\right)
Step-by-step explanation:
3x²+2x²+x-2 divided x+2
Answer:
3x^2-4x+9 remainder -20/x+2
Step-by-step explanation:
HELP PLease! 40 points!!!!
Answer:
D. 480 ftStep-by-step explanation:
Let the sides of triangle be a, b and c
Perimeter
P = a + b+ c = 40New sides
12a, 12b and 12cNew perimeter
Pn = 12a + 12b + 12c = 12(a+b+c) = 12*40 = 480 ftCorrect choice is D
I need help very important
Answer:
∠ EFG = 83°, ∠ GCE = 97°
Step-by-step explanation:
Since FE and FG are tangents to the circle then
∠ FGC and ∠ FEC are right angles
The sum of the angles in quadrilateral CEFG = 360°
Sum the 4 angles and equate to 360
3x + 11 + 90 + 5x - 23 + 90 = 360, that is
8x + 168 = 360 ( subtract 168 from both sides )
8x = 192 ( divide both sides by 8 )
x = 24
Thus
∠ EFG = 3x + 11 = 3(24) + 11 = 72 + 11 = 83°
∠ GCE = 5x - 23 = 5(24) - 23 = 120 - 23 = 97°
What is the equation of the line though (2, -1) and (05)?
The to your problem is m = -3, I hope this really helps you :)
Y= -3x+5 that’s the answer I got
|10+4x|<14 how do you solve this?
Answer:
-6 < x < 1
Step-by-step explanation:
-14 < 10 + 4x < 14
Subtract 10 from both sides
-24 < 4x < 4
Divide both sides by 4
-6 < x < 1
Answer: - 6 < x < 1
|10 + 4x| < 14
⇔ -14 < 10 + 4x < 14
⇔ -14 - 10 < 4x < 14 - 10
⇔ - 24 < 4x < 4
⇔ -24/4 < x < 4/4
⇔ - 6 < x < 1
Step-by-step explanation:
omar buys a pack of 8 towels for 24.00 find the unit price in dollar per towel
Answer:
um 3
Step-by-step explanation:
whats 24 divided by 3 mate? 3
i mean all u need is a calculator im dumb as hell and i know that...
hope...this helps you :) have a great day
What is the equation of a line that is parallel to x−2y=−4 and passes through the point (0, 0)?
Enter your answer in the box.
Answer:
The equation of a line that is parallel to x−2y=−4 and passes through the point (0, 0) will be: [tex]x-2y=0[/tex]
Step-by-step explanation:
Given the line
[tex]x-2y=-4[/tex]
[tex]x+4 = 2y[/tex]
[tex]y=\left(\frac{1}{2}\right)x+2[/tex]
[tex]m_1=\frac{1}{2}[/tex]
so, the slope of the line parallel to the given line would have
the same slope as [tex]\frac{1}{2}=m[/tex], and passed through the point (0, 0).
Therefore, the equation of the required line is given by
[tex]y = mx+b[/tex]
[tex]y=\left(\frac{1}{2}\right)x+0[/tex]
[tex]y=\left(\frac{1}{2}\right)x[/tex]
[tex]2y=x[/tex]
[tex]x-2y=0[/tex]
Therefore, the equation of a line that is parallel to x−2y=−4 and passes through the point (0, 0) will be: [tex]x-2y=0[/tex]
(-8)+(-19) i will give brainllest
Answer:
-27
Step-by-step explanation:
Answer:
-27 maybeeeeeeeeeeeee
Which statement correctly compares the function shown on this graph with the function y =5x+5.
A. The function shown on the graph has a greater rate of change, but a lower starting point.
B. The function shown on the graph has a greater rate of change and a higher starting point.
C. The function shown on the graph has a smaller rate of change, but a higher starting point
D. The function shown on the graph has a smaller rate of change and a lower starting point.
D. The function shown on the graph has a smaller rate of change and a lower starting point. Sorry if incorrect i hope i helped.
Which polynomial function could be represented by the graph below?
Answer:
Option B: f(x) = 2x2 + 2x – 4
Step-by-step explanation:
f(x)=x²-4x-5 is the polynomial function of the given graph.
What is Polynomial?Polynomial is an expression consisting of indeterminates and coefficients, that involves only the operations of addition, subtraction, multiplication, and positive-integer powers of variables
We need to find the polynomial of the given graph.
Graph is a mathematical representation of a network and it describes the relationship between lines and points.
When x=0, then y should be -5.
This can be satisfied by f(x)=x²-4x-5 and f(x)=-x²-4x-5
Now let us find the value of y when x is 2.
When x is 2 the value of y should be -9 by the given graph
f(x)=x²-4x-5
=4-8-5
=-9
Hence, f(x)=x²-4x-5 is the polynomial function of the given graph.
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2. need help with this question
Answer:
First = Poppy seed = 3x10^-4 grams = 0.0003 grams
Second = sesame seeds = 3.64x10^-6 grams = 0.00364 grams
third = 250 pumpkin seeds 21 grams = one seed 0.084 grams
Step-by-step explanation:
3.64x10^-6 kilograms *1000gr/Kilograms = 0.00364 grams
21/250 = 0.0084 grams one seeds
Use substitution to find an exponential function, y= a - b" that passes through
(2, 16) and (5, 1.024).
Answer:
[tex]y = 4^x[/tex]
Step-by-step explanation:
Given
[tex](2,16)[/tex]
[tex](5,1,024)[/tex]
Required
Determine the exponential function [tex]y = a.b^x[/tex]
In [tex](2,16)[/tex]
[tex]x=2[/tex] and [tex]y = 16[/tex]
Substitute these values in [tex]y = a.b^x[/tex]
[tex]16 = a.b^2[/tex] --- (1)
In [tex](5,1,024)[/tex]
[tex]x = 5[/tex] and [tex]y = 1024[/tex]
Substitute these values in [tex]y = a.b^x[/tex]
[tex]1024 = a.b^5[/tex] --- (2)
Divide (2) by (1)
[tex]\frac{1024}{16} = \frac{a.b^5}{a.b^2}[/tex]
[tex]\frac{1024}{16} = \frac{b^5}{b^2}[/tex]
[tex]64 = \frac{b^5}{b^2}[/tex]
Apply second law of indices
[tex]64 = b^{5-2[/tex]
[tex]64 = b^3[/tex]
Express 64 as an exponent of 3
[tex]4^3 = b^3[/tex]
[tex]4 = b[/tex]
[tex]b = 4[/tex]
Substitute 4 for b in (1)
[tex]16 = a.b^2[/tex]
[tex]16 = a * 4^2[/tex]
[tex]16 = a * 16[/tex]
[tex]16 = 16a[/tex]
Solve for a
[tex]a=\frac{16}{16}[/tex]
[tex]a = 1[/tex]
Substitute 1 for a and 4 for b in [tex]y = a.b^x[/tex]
[tex]y = 1 * 4^x[/tex]
[tex]y = 4^x[/tex]
The exponential function is given by y = 100(0.4)ˣ
An exponential function is in the form:
y = abˣ
where y, x are variables, a is the initial value of y and b is the factor.
At point (2, 16):
16 = ab² (1)
At point (5, 1.024):
1.024 = ab⁵ (2)
Dividing equation 2 by equation 1:
b³ = 0.064
b = 0.4
16 = a(0.4)²
a = 100
The exponential function is given by: y = 100(0.4)ˣ
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I need help please (+5)+(-2)=
I need help ♀️What acronym help you decide order to multiply Binomials ?
Answer:
FOIL
Step-by-step explanation:
" is just a mnemonic. It helps some people to remember all the steps needed to multiply two binomials. It "makes sense" because it's methodical and gives the right answer.
URGENT WILL GIVE BRAINLIST, please answer these 3 questions
Answer:
Q.8:use the equation [tex]y-y_1=m(x-x_1)[/tex] [tex]y-(-4)=-6(x-(7))\\y+4=-6x+42\\y=-6x+38[/tex]Q.9:Find slope with [tex]slope=\frac{y_2-y_1}{x_2-x_1}[/tex] substitute and solve[tex]slope=\frac{(1)-(-3)}{(3)-(1)} =2[/tex] then as follows[tex]y-y_1=m(x-x_1)\\y-(1)=2(x-(3))\\y-1=2x-6\\y=2x-5[/tex] Q.10:Find slope [tex]slope=\frac{(12)-(2)}{(2)-(7)}=-2[/tex] then[tex]y-y_1=m(x-x_1)\\y-(2)=-2(x-(7))\\y-2=-2x+14\\y=-2x+16[/tex]a company’s stock was selling at 35$ a share. a month later it was selling at 14$ a share. what is the percent loss?
Answer:
60%
Step-by-step explanation:
its right
If a company’s stock was selling at 35$ a share. a month later it was selling at 14$ a share then the percent of loss is 60%.
What is Percentage?percentage, a relative value indicating hundredth parts of any quantity.
Given that a company’s stock was selling at 35$ a share.
After a month later it was selling at 14$ a share.
We need to find the percent of loss.
Original share price=35
new share price=14
We calculate the percentage by finding the difference and dividing the difference with the original share price.
35-14/35
0.6
Now multiply this 0.6 with 100 as it is a hundredth part.
0.6×100
60%
Hence, if a company’s stock was selling at 35$ a share. a month later it was selling at 14$ a share then the percent of loss is 60%.
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a UPS delivery man earns $0.60 per mile driven.How many miles did he drive if he received at $42
Answer:
70 miles
Step-by-step explanation:
Divide 42 by 0.60 = 70
Multiply 70 * 0.60 = 42.
Determine the degree of each monomial.
Answer:
Step-by-step explanation:
4= 0 degree
2z= 1 degree
4r^2st^3= 6 degree
3xyz^2= 4 degree
[tex]the \: angle \: of \: measure \: \frac{31\pi}{6} \: lies \: in \: which \: quadrant[/tex]
Answer:
3rd quadrant
Step-by-step explanation:
First we just convert the angle from radians to degrees[tex]\frac{31\pi radians }{6}*\frac{180degrees}{\pi radians} =\frac{31*180}{6} degrees=930degrees[/tex] Now that's too big, all this means is if we start rotating from the positive y-axis in a circle we will cross the starting point 2 times, 2 full circles;[tex]930degrees-360degrees=570degrees\\570degrees-360degrees=210degrees[/tex] Now in which quadrant it 210 degrees?0 degrees to 90 degrees is 1st quadrant90 degrees to 180 degrees is 2nd quadrant180 degrees to 270 degrees is 3rd quadrant270 degrees to 360 degrees is 4th quadrantSo our answer is the 3rd quadrant.Write the simplified form of (-0.5z + 0.9z) – (-0.3z + 0.9z) please help me im confused
do u like beans?Step-by-step explanation: hope it helps
Answer:
-0.2z
Step-by-step explanation:
-0.5z + 0.9z - ( -0.3z+0.9z) open paranthesis and change the sign of all terms
-0.5z + 0.9z + 0.3z - 0.9z combine terms
-0.5z+0.3z= -0.2z
PLEASE HELP MEEEEEEE
Answer:
triangle BFD
75 degrees
PLS Help .Kennedy Middle School is having a Halloween celebration. Students visit each classroom and solve math problems to get candy. For each problem they solve correctly, they earn 8 pieces of candy. Jack's teacher gave him 4 pieces of candy to start with. Jack's goal is to get at least 60 pieces of candy. Graph on the number line the number of problems Jack will need to solve correctly to meet his goal.
Answer:
Ok im too too sure but I think that it is the one with the filled in dot -->
Step-by-step explanation: