A biology class has a total of 25 students. The number of females is 15 less than the number of males. How many males and how many females are in the
class?
Answer:
10 males
Step-by-step explanation:
because 15 + 10 is 25 so the answer is 10 males and 15 females
18 MB downloaded in 15
seconds
Answer:
what?? what is your question
Step-by-step explanation:
Answer: 1.2
Step-by-step explanation: Simply divide 18 by 15, and you will get 18/15=1.2
a map is drawn using a scale of 1cm/80 mi. two cities are 280 miles apart
how far apart are the cities on the map
Answer:
the cities are 3.5 cm apart.
Step-by-step explanation:
all you have to do is divide 280/80
the diagram shows a circle centre o. work out the value of a
Answer:
a = 49°
Step-by-step explanation:
From the figure attached,
In ΔBOC,
OB = OC = Radii of the circle O
Therefore, m∠OBC = m∠OCB = 41° [Opposite angles of the equal sides of a triangle]
By triangle sum theorem,
m∠OBC + m∠OCB + m∠BOC = 180°
41° + 41° + m∠BOC = 180°
m∠BOC = 180° - 82°
= 98°
Since, "angle subtended by an arc at the center is twice the angle subtended at the circumference",
m∠BOC = 2(m∠BAC)
98° = 2(a)
a = 49°
Explain how to get the variable alone in the equation. 3x = 24
Answer:
to get rid of the 3 on the x you have to divide it by 3. whatever you do to one side you have to do to the other side so the answer would be x=8
Step-by-step explanation:
Answer:
x = 8
Step-by-step explanation:
To get the variable alone you would divide both sides by 3. You do this because 3 is a common factor that both 3 and 24 have. Once you divide 3 on each side, you have x = 8 as your final answer.
Mrs. Walters drove 360 miles on 25 gallons of gas. Mr. Walters drove 480 miles on 32 gallons of gas.
b. Find the mileage per gallon for Mr. Walters's car.
Please explain how you got this answer
Answer:
Mr.Walters car can go 15 miles on one gallon of gas.
Step-by-step explanation:
To find this, you first want to put it into a ratio.
480:32
Next, you want to divide.
480/32
After you divide, you get 15. That tells you that you get 15 miles off of one gallon of gas.
Answer:
15 miles
Step-by-step explanation:
A store sells comic books. Each comic book costs the same amount. During a sale, the store reduces the price of each comic book by $1.45. Miguel
spends $12.88 on 2 comic books at the sale price
Answer:
the original price is $7.89
the price on sale is $6.44
i hope this helps
Step-by-step explanation:
divide $12.88 by 2 to get the price of one of those comic books on sale which gives you $6.44
if you want the original price you just add $1.45 to $6.44 and then thats the price before the sale.
Solve for x: -9 = 2x - 5 help plsss
Answer:
x = -2
Step-by-step explanation:
Answer:
x=-2
Step-by-step explanation:
are these triangle obtuse or acute using the pythagorean theorem?
Answer:
they are acute triangles and right triangles
Step-by-step explanation:
The measures of the angles of a triangle are shown in the figure below. Solve for x.
Step-by-step explanation:
angles in a triangle add up to 180degree
3x + 36 + 90 = 1803x =180 - 30 - 903x = 60 divide through by 3 givesx = 20degreeTherefore x =20°Find the slope of the line passing through the points(-3, 7) and (2, -6).
Answer:
-13/5
Step-by-step explanation:
The formula for slope is [ y2-y1/x2-x1 ].
-6-7/2-(-3)
-13/5
Best of Luck!
Joe, Kay and Liam share some money in the ratio 5 : 6 : 9
In total, Joe and Liam receive £56
Work out the amount of money Kay receives.
please help
the manager of a symphony computes that the symphony will earn -40p^2+1100p dollars per concert if they charge P dollars for tickets. what ticket price should the symphony charge in order to maximize its profits?
Answer:
$7,562.5
Step-by-step explanation:
Given the function of the profit earned expressed as;
f(p) =-40p^2+1100p
To maximize the profit, df(p)/dp must be sero
df(p)/dp = -80p + 1100 = 0
-80p + 1100 = 0
-80p = - 1100
p = 1100/80
p = 13.75
Substitute p = 13.75 into the function
f(13.75) =-40(13.75)^2+1100(13.75)
f(13.75) = -7,562.5+15,125
f(13.75) = 7,562.5
Hence the symphony should charge $7,562.5 to maximize the profit.
What is the value of y=6−4x when x=2?
Answer:
y = -2
Step-by-step explanation:
You substitute 2 as x, y = 6 - 4 * 2, which is y = 6 - 8 = -2.
can yalll help me with this is due today
Answer:
the answer is axis of symmetry
Step-by-step explanation:
symmetry technically means perfectly in half. one side is the same as the other.
What is the equation of a line when m = -3 and b = 5?
Answer: y=-3x+5
Step-by-step explanation:
The slope intercept form is y=mx+b
Substitute m and b
lightining strikes earth 1000 times per second how many times does it strike in 10 seconds
Answer:
10,000
Step-by-step explanation:
1000 times 10 is 10000
Pls, help me if you are the smartest math person in your class!
Step-by-step explanation:
a. spending
b. john,60 collin,80
c. six
d. four
e. COULDNT READ THAT QUESTION
f. on day two
g. forty dollars
can you please answer this? i dont understand
Answer:
Unit rate= constant change or slope Take two points: we see that as gallons increase per 2 gallons then the increase is 31 milesHence unit rate is 31/2 or 15.5Try the next one! As for any help!!Please help. Due in 30 minutes, whoever answers 1st I'll mark them brainlist
Answer:
the E is the same as the circles
Step-by-step explanation:
Find the LCM of 156 and 224.Find the LCM of 156 and 224.Find the LCM of 156 and 224.Find the LCM of 156 and 224.Find the LCM of 156 and 224.Find the LCM of 156 and 224.Find the LCM of 156 and 224.Find the LCM of 156 and 224.Find the LCM of 156 and 224.Find the LCM of 156 and 224.Find the LCM of 156 and 224.Find the LCM of 156 and 224.
Answer:
8736
Step-by-step explanation:
The LCM of 156 and 224
First find the highest common factor between the two number
156 = 4 * 39
224 = 4 * 56
Since 4 is the highest common factor between both numbers, the LCM of 156 and 224 will be the product of the highest common factor and the other multiples that are left when the numbers are divided by the highest common factor.
As such, the LCM of 156 and 224
= 4 * 39 * 56
= 8736
Answer:
8736
Step-by-step explanation:
The LCM of 156 and 224
First find the highest common factor between the two number
156 = 4 * 39
224 = 4 * 56
Since 4 is the highest common factor between both numbers, the LCM of 156 and 224 will be the product of the highest common factor and the other multiples that are left when the numbers are divided by the highest common factor.
As such, the LCM of 156 and 224
= 4 * 39 * 56
= 8736
A snow cone Machine priced at $139 is on sale for 20% off the sales tax rate is 6.75% what is the price of the snowcone machine after the discount and sales tax?
Answer:
100-20=80
80+ 6.75 = 86.75
139/100 X 86.75 = 120.5825
$120.58
What is the surface area of this shape?
Step-by-step explanation:
surface area if pyramid=area of base+combined area of lateral faces.
area of base=8×8=64
combined area if lateral faces=area of one triangle:area=base×height
=8×12=96
Total surface area=64+96
=160m square
Answer:
SA = 254
Step-by-step explanation:
Equation for a Pyramid (Surface Area) is : 2bs + b^2
2(8)(12) + [tex]8^{2}[/tex] =
16 (12) = 192 and 8^2 = 62
192 + 62 = 254
I hope I helped ;)
Point M is between points L and N on LN. LN
6x, LM 4x + 8, and
MN 27. Use the information to solve for x, and then find LN.
Answer:
Step-by-step explanation:
4x+8 27
L-------------M-------------------------N
<------------------ 6x -------------------->
LM = 4x+8
MN = 27
LN = 6x
LM + MN = LN
4x+8 + 27 = 6x
35 = 2x
17.5 = x
LN = 6x = 6(17.5) = 105
The correct answer to the question is: x = 17.5, LN = 105
From the question given above, we obtained the following:
LN = 6x
LM = 4x + 8
MN = 27
x =? LN =?The value of x can be obtained as follow:
LN = LM + MN
6x = 4x + 8 + 27
6x = 4x + 35
Collect like terms
6x – 4x = 35
2x = 35
Divide both side by 2
x = 35 / 2
x = 17.5Finally, we shall determine the value of LN.x = 17.5
LN =?
LN = 6x
LN = 6(17.5)
LN = 105SUMMARY:x = 17.5LN = 105Therefore, the correct answer to the question is: x = 17.5, LN = 105
Learn more: https://brainly.com/question/17713975
Ask a skateboarder a question
Are you good at surfing? Is it similar to skateboarding?
Need help HMI 10th Geometry
what is the answer to this sqrt{243}
Answer:
It is 9√3 and in decimal form it's 15.58845726
Step-by-step explanation:
f(x) = 2x3 + 5x2 - 6x - 7
g(x) = 2x - 3
Find (f - g)(x).
Step-by-step explanation:
its C. cause if f -g is equal to positive 4
Option B → (f - g)(x) = [tex]$2x^{3} +5x^{2}[/tex] - 8x - 4 is correct.
We have the following functions -
f(x) = [tex]2x^{3} +5x^{2} -6x-7[/tex]
g(x) = 2x - 3
We have to determine (f - g)(x).
Define function in Mathematics.In mathematics, a function from a set X to a set Y assigns to each element of X exactly one element of Y. The set X is called the domain of the function and the set Y is called the codomain of the function.
According to the question, we have -
f(x) = [tex]2x^{3} +5x^{2} -6x-7[/tex]
g(x) = 2x - 3
Now -
(f - g)(x) = {[tex]$2x^{3} +5x^{2} -6x-7[/tex] - (2x - 3)}
(f - g)(x) = {[tex]$2x^{3} +5x^{2}[/tex] - 6x - 7 - 2x + 3}
(f - g)(x) = [tex]$2x^{3} +5x^{2}[/tex] - 8x - 4
Hence, Option B → (f - g)(x) = [tex]$2x^{3} +5x^{2}[/tex] - 8x - 4 is correct.
To solve more questions on Combination of functions, visit the link below -
https://brainly.com/question/14026860
#SPJ2
Answer this plzz
Can you try this question
Answer:
1. unlikely
2. likely
Answer: 1: Unlikely and 2. Certain... (nothing is impossible)
A recipe for bread calls for 4 cups flour for every 2 teaspoons of salt. If you have 16 teaspoons of salt, how many cups of flour do you need?
Answer:
I think the answer is 30. Hope this helps!
Step-by-step explanation: