Answer:
I think its A
Step-by-step explanation:
I did the math and thats what i got even rounded up
The value of the expression 3.14 x 4 x 4 x 7 is 351.4 and for expression 3.14 x 7 x 7 x 4 is 615.4.
To round the expression to the nearest tenth, we need to evaluate it first. Let's calculate each expression:
3.14 x 4 x 4 x 7 = 351.36
3.14 x 7 x 7 x 4 = 615.44
Now, let's round each result to the nearest tenth:
Rounding 351.36 to the nearest tenth gives us 351.4
Rounding 615.44 to the nearest tenth gives us 615.4
Based on the given options, neither result matches exactly.
However, option A (124.6) is the closest rounded value to 351.4.
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Last year at a certain high school, there were 56 boys on the honor roll and 135 girls on the honor roll. This year, the number of boys on the honor roll increased by 25% and the number of girls on the honor roll increased by 20%. By what percentage did the total number of students on the honor roll increase? Round your answer to the nearest tenth (if necessary).
Answer: 18.5%
Step-by-step explanation: Last year, there were 56 boys and 135 girls on the honor roll, for a total of 191 students. This year, the number of boys on the honor roll increased by 25%, which means there are now 70 boys on the honor roll (56 * 1.25). The number of girls on the honor roll increased by 20%, which means there are now 162 girls on the honor roll (135 * 1.20).
The total number of students on the honor roll this year is therefore 70 + 162 = 232.
To find the percentage increase in the total number of students on the honor roll, we can use the formula:
percentage increase = (new value - old value) / old value * 100
Plugging in the numbers, we get:
percentage increase = (232 - 191) / 191 * 100 = 21.47%
Rounding to the nearest tenth, we get an increase of approximately 18.5%.
Hope this helps, and have a great day!
I need help with this question, I'm not very good at math and all help is appreciated!
Answer:
A
Step-by-step explanation:
We can solve for H by isolating it on one side of the equation, as follows:
J/H - I/H = G
Taking H as the common denominator:
(J - I)/H = G
Multiplying both sides by H:
J - I = GH
Adding I to both sides:
J = GH + I
Dividing both sides by G:
H = (J - I)/G
So the answer is
(A)
H = (J - I)/G.
Answer: A
Step-by-step explanation:
\(\frac{J}{H} = G + \frac{I}{H}\) >Since you are solving for H bring I/H to the other side
by subtracting I/H from both sides
\(\frac{J}{H}- \frac{I}{H} = G\) >There is a common denominator so you can
combine the fractions
\(\frac{J-I}{H} = G\) >Multiply both sides by H or cross multiply whichever
way your mind things about how to get H on top
\(J-I = G(H)\) >Divide both sides by G
\(\frac{J-I}{G} = H\) >Answer is A
Select the correct answer.
Royce has $15 with him and spends $12 to buy his favorite comics. He has $3 left, which he deposits in the bank. Which number will be entered in Royce's bank account statement?
A.
-$12
B.
-$3
C.
+$3
D.
+$15
Answer:
C
Step-by-step explanation:
He deposited or added $3 into his bank account so that's +$3
Solve the inequality
2−5w≤−8
Answer:
The inequality for w is 2
1.) Jimmy has rowed his canoe 3/8 of the length of the course. He has rowed 60 meters. How long is the entire course?
2.) Melanie has written 5/6 of her essay. She has written 15 pages so far. How long does her entire essay have to be?
PLEASE GIVE A DETAILED ANSWER TO BE TURNED INTO A PICTURE!
Answer:
1. The entire course is 160 meters :) 2. Her essay is 18 pages long.
Step-by-step explanation:
1. The first step is to divide 60 by 3. That makes 20. So 20 is 1/8 of the entire course. Then you multiply 20 by 8 and you have 160. That makes the whole course 160 meters long.
You use the same steps for 1. to solve this one too!
2. The first step is to divide 15 by 5. That makes 3. So, 3 is 1/6 of the essay. Then you multiply it by 6. That makes 18. There are 18 pages in the essay. Hope this helped.
Answer:
1. is 160 meters 2. 18 pages
Step-by-step explanation:
1. since 60 meters is 3/8 you divide 60 by 3 and get 20 meters next you multiply 20 by 8 and get 160 meters
2. 15 pages=5/6 so you divide 15 by 5 and get 3 next you multiply 3 by 6 which equals 18 pages
What is the value of the t that satisfies the equation below?
5(t + 2) - 3(2t + 1) = -2
1.
0
2.
-2
3.
9
4.
15
Solution,
5(t+2)-3(2t+1)=-2
or,5t+10-6t-3=-2
or,5t-6t+10-3=-2
or,-t+7=-2
or,-t=-2-7
or,-t=-9
t=9
Hope it helps
Good luck on your assignment
Answer:
\(t = 9\)
Step-by-step explanation:
\(5(t + 2) - 3(2t + 1) = - 2 \\ 5t + 10 - 6t - 3 = - 2 \\ - t + 7 = - 2 \\ - t = - 2 - 7 \\ - t = - 9 \\ t = 9\)
hope this helps
brainliest appreciated
good luck! have a nice day!
Plss help me on this problem !!
Answer:
Step-by-step explanation:
b=8
12x + b should be equivalent to 3(4x -5)
3(4x -5)
3 multiplied by 4x and -5 is
12x + -8
12x + b = 12x + -8,
therefore b = -8.
solve the proportion
Answer:
3. m= -15
4. x= 9
Step-by-step explanation:
3. Cross multiply: -6m=90
Solve: m= -15
4. Cross multiply: 7x+7=10x-20
Solve: x=9
Step-by-step explanation:
Here,
-m=10*9/6
or,-m=90/60
or,-m=15
or,-m=-(-15)
and, m=-15
2
Here,
(x+1)*7=(x-2)*10
or,7x+7=10x-20
or,7+20=3x
or,x=27/3
therefore, x=9ans
Find the perimeter of this shape.
Answer:
draw a line that makes a triangle and rectangle.
hypotenuse= 30
3k-4k-5k triangle
18-24-30
so the short part of triangle is 18 cm
10+10+18+24+30 equals 92
sorry for language I am not familiar with English
the perimeter of this shape is
24+10+10+30+\(\sqrt{30^{2} -24^{2} }\) = 92 cm
Mark borrows 10 dollars from Emily with a simple interest rate of 15% everyday. What is the least integer number of days after which Mark will have to pay her back at least twice as much as he borrowed?
\(\frac{2}{9}x - \frac{1}{3} = -1\)
\( \large \mathfrak{Solution : }\)
let's solve for x :
\( \dfrac{2}{9} x - \dfrac{1}{3} = - 1\)\( \dfrac{2}{9} x = - 1 + \dfrac{1}{3} \)\( \dfrac{2}{9} x = \dfrac{ - 3 + 1}{3} \)\(x = \dfrac{ - 2}{3} \times \dfrac{9}{2} \)\(x = - 3\)I hope it helped...
Answer:
x= -3
Step-by-step explanation: both sides +1/3 so that the -1/3 gone
2/9x-1/3= -1
= 2/9x= -1+1/3
=2/9x= -2/3
=-3
please help me with this ASAP!!
Answer:
x = 19
z = 105
Step-by-step explanation:
z + 75 = 180
z = 105
6x - 39 = 75
6x = 114
x = 19
Answer:
x = 19
z = 105
Step-by-step explanation:
Because these are two intersecting lines, the two opposite angles are equal:
6x - 39 = 75
Solving this equation gives you x:
6x = 114
x = 19
In order to solve for z, we must remember that two angles on a straight line are supplementary angles meaning that, if added together, they equal 180°. In this case:
75 + z = 180
Solving this equation gives you z:
z = 105
Please hurry!! 100 points :p
Which expression is equivalent to 6x+8?
A. 2(3x-4)
B. 2(3x+4)
C. 2(4x+6)
D. 2(3x+8)
Answer:
c i really hope this helps please mark brsinliest
The replacement set for an equation is {8,9,12,18}.
The equation is represented by the sentence, "23 of a number is 12."
What is the solution set of the equation?
Responses
{8}
open curly bracket 8 close curly bracket,
{9}
open curly bracket 9 close curly bracket
{12}
open curly bracket 12 close curly bracket
{18}
Answer:
open curly bracket 18 close curly bracket
Step-by-step explanation:
The integer in the replacement set that will make the equation true is (d) 18
How to determine the solution to the expression?From the question, we have the following parameters that can be used in our computation:
"23 of a number is 12."
Rewrite properly
So, we have
"2/3 of a number is 12."
Express as an equation
This gives
2/3p = 12
Where the variable is p
Multiply 3/2 to both sides of the expression
So, we have the following representation
3/2 * 2/3p = 12 * 3/2
Evaluate the products on both sides of the equation
p = 18
Hence, the solution is p = 18
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Which statement compares the two numbers correctly?
0.799 ________ 0.8
0.799 > 0.8
0.799 = 0.8
0.799 < 0.8
0.8 < 0.799
Answer: 0.8 <0.799
Step-by-step explanation:
Just did the same quiz
The set of points P(0, 3), Q(2, 0), R(4, -3) are collinear and the line has a slope of _____.
-3/2
3/2
- 1/2
1/2
Answer:
-3/2,collinear.
Step-by-step explanation:
slope of PQ=(0-3)/(2-0)=-3/2
eq. of line PQ is
y-3=-3/2(x-0)
y-3=-3/2 x
or2y-6=-3x
or 3x+2y=6
if R(4,-3) lies on it,then
3(4)+2(-3)=6
12-6=6
or 6=6
which is true.
Hence points P,Q,R are collinear.
and line has aslope=-3/2
Answer:
-3/2
Step-by-step explanation:
What is the solution set for the equation 4(3x-2)^2=36? Give explanation
Answer:
C
Step-by-step explanation:
So let's remember that solution set means the value of x when y=0. Knowing that, all we have to do is solve for x.
First we divide both sides by 4, leaving us with
(3x-2)^2=9
Then we can proceed to square root each side, leaving us with (keep in mind that -3^2 is also equal to 9!)
3x-2= +/- 3
And now we add two on each side, giving us
3x=5
and
3x=-1.
This means that we can safely select c as our answer.
And finally we can
what is the solution for y=2x=10 and 3y-6x=30
i need helps with this (click the picture to see it clearer
Step-by-step explanation:
any picture I am not seeing nothing
what did she do wrong?? cuz 9*8 is 72 and 72 minus 72 is 0 sooo you tell me what she did wrong cuz I to slow to know!
Answer:
D, she DID NOT make an error
This is a trick question.
Step-by-step explanation:
please Answer I NEED ANSWERS please
MiKiyah invested $2,500 in a simple interest account for 2 years. At the end of the 2 years, she has earned $75 in interested. What was the simple interest rate of the account?
Answer:
if $178 $178 interest was earned in 2 2 years at an interest rate of 4%
Step-by-step explanation:
XD i tried
What number is being factored in this factor tree?
A. 18
B. 72
C. 108
D. 144
Answer:
I don't see the factor tree...
Step-by-step explanation:
Answer:
i had this same quiz ur answer is B
Step-by-step explanation:
Natasha goes on a trip on her motorcycle and rides for 510 miles. If she rides for 6 hours at a speed of 65 miles per hour, then at what speed does she travel for the remaining 3 hours of the journey?
Answer:
40 miles per hour
Step-by-step explanation:
6 times 65 is 390
510 - 390 = 120
120 divided by 3 is 40
Natasha would have to ride on the motorcycle for the rest of the 3 hours at a speed of 40 per hour.
Hope this helps :)
Solve each equation by grouping whole numbers with whole numbers and fractiona with fractions
Answer:
1. -8
2. 2.75
Step-by-step explanation: i am so sorry if i am wrong plz forgive me then, but friend me if u want to get some free points every other Friday have a blessed day
3(n+2)-(n-1)=17
what is the value of ‘n’
please show steps on how to solve the problem
Answer:
n=5
Step-by-step explanation:
First you would want to distribute the 3 and the negative. This would give you the equation 3n+6-n+1=17. Then when you simplify the equation you would get 2n+7=17. Then take away the 7 to isolate the variable so it would look lik 2n=10. Then divide by 2 to get n which is 5. So n=5
Pls help! Will give brainliest!!
Considering area (A) of garden as 30 square feet:
30 = x(2x+7)
Now we need to expand it:
x(2x+7) = 2x^2 + 7x
2x^2 + 7x = 30
Adding this into an Algebra calculator gives us 5/2 or 2.5
So x = 2.5
To prove this:
2(2.5) + 7 = 12
14 * 2.5 = 30
Help me PLEASEEEEE I will give brainlyest if the answer is correct
Answer:
See Below
Step-by-step explanation:
Lets look at our numbers:
The balloon is at 1000 feet.
The balloon drops at a constant speed of -4 1/2 per second.
How long will it take to get to 215ft, in seconds, s.
Lets see, if you were to subtract 1000-215, you will get 785.
The balloon needs to drop 785ft to get to 215ft above the ground.
The question asks how long will it take to get below 215ft.
Lets do the math for the descending feet. We calculated that it takes 785ft to hit 215ft above the ground, so, you need to divide 785ft by 4 1/2 to see how many seconds it takes. The answer for this is 174.4, we can make this 174 4/9.
**VERY IMPORTANT** If you use 174 4/9, this equals 215 seconds, it asks for below this, so you can use ANY number for this that it above this number.
Now for the inequality, look at the question, it asks how long will it take to get below, not equal to or more below, meaning that you can cancel out the inequality signs with lines below them. So your answer is 270 > ,
Please tell me if this is right, if its not let me know I apologize.
The following items were bought on sale. Complete the missing information.
(Instructions: Add $ symbol before the Amount , % after the discount )
Answer:
Video game —> $80 —> 20% —> $64
Movie ticket: $14 —> 20% —> $11.20
Laptop —> $1000 —> 25% —> $750
Step-by-step explanation:
This composite figure is made up of three simpler shapes. What is the area of this figure?
Answer: A
Step-by-step explanation:
Answer:
The answer was D.
Step-by-step explanation: