Answer:
2α^2+15α+21
Step-by-step explanation:
(5α+α²-14) + (10α +α²+ 35)
Combine like terms
α^2+α^2+5α+10α-14+35
2α^2+15α+21
Answer:
2a² + 15a + 21
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightAlgebra I
Terms/CoefficientsStep-by-step explanation:
Step 1: Define
Identify
(5a + a² - 14) + (10a + a² + 35)
Step 2: Simplify
[Addition] Combine like terms (a²): 2a² + 5a - 14 + 10a + 35[Addition] Combine like terms (a): 2a² + 15a - 14 + 35[Addition] Combine like terms: 2a² + 15a + 21Estimate 5.209 + 2.667 by
rounding to the nearest
hundredth
Answer:
8!!
Step-by-step explanation:
5+3
how do you solve this problem to find the measure of the angle indicated in bold? thank you pls answer!
Answer: 85 degrees
Step-by-step explanation: 20x+5+24x-1=180
44x+4=180
-4 -4
44x=176
division property of equality x=4
20(4)+5=
80+5= 85 degrees
Miguel e nádia trabalham num escritório de contabilidade. A cada 45 minutos miguel vai á sala de café para relaxar um pouco, enquanto nádia faz o mesmo a cada 60 minutos. Se eles acabarem de se encontrar na sala de café, daqui a quantas horas vão se rever nesse mesmo lugar?
Responder:
3 horas
Explicação passo a passo:
Dado :
Miguel a cada 45 minutos
Nádia a cada 60 minutos
Número de horas que eles vão se ver no mesmo lugar:
Para fazer isso ;
Obtenha o menor múltiplo comum de 60 e 45
Múltiplos de:
45: 45, 90, 135, 180, 225.
60: 60, 120, 180, 240, 300.
O menor múltiplo comum de 45 e 60 é 180
° Assim, eles se verão no mesmo lugar após 180 minutos;
Número de horas = 180/60 = 3 horas
what is 6t + 3t + 4 simplified?
Answer:
9t + 4
Step-by-step explanation:
6t + 3t + 4
= 9t +4
i need helpabdjbajdbajdb
Answer:
c=10
Step-by-step explanation:
pythagreom theroem
c (hypotenuse) = [tex]\sqrt{a^{2} +b^{2} }[/tex]
plug in values for a and b
c=[tex]\sqrt{6^{2} +8^{2} }[/tex]
c=[tex]\sqrt{36+64\\}[/tex]
c=[tex]\sqrt{100\\}[/tex]
c=10
Answer:
length of the hypotenuse = √100 = 10 ft
Step-by-step explanation:
This is a right triangle with leg lengths 6 and 8 ft. We apply the Pythagorean Theorem a^2 + b^2 = c^2, as follows:
(6 ft)^2 + (8 ft)^2 = c^2
Then c^2 = 100, and c = length of the hypotenuse = √100 = 10 ft
Antonio drops a glass marble into a pond and creates ripples that form concentric circles on the surface of the water. The radius of the circle, r, in centimeters is given by the function , where t is the time in seconds that the ripples move outward from the center of the circle. Find the function A(t) that represents the area, A, of the expanding circle in t seconds.
Answer:
is it multiple answer?
Step-by-step explanation:
Can someone please be generous & help
slope intercept y= 10x-82
point slope y + 2 = 10 (x − 8)
Help not much time to finish
Answer:
No solutions
Step-by-step explanation:
If Hannah paid a 7% shipping charge for a baseball that equals $9.45,how much was the baseball?
Answer:
The baseball was $8.79 without the shipping charge
Step-by-step explanation:
7% = 0.07
$9.45 * 0.07 = $0.6615
$9.45 - $%0.6615 = $8.7885
Hope this helps
Answer :
$8.7885 ($8.79) without shipping charge
Step by step Explanation :
I agree with the previous answer, you would find 7% of 9.45 first.
$9.45 * 0.07 = $0.6615
Then you would subtract because you want to find the cost of the baseball alone.
$9.45 - $0.6615 = $8.7885
Hey! Can someone help me find the value of x please!!!!! it's my last question!
Answer:
is this math
Step-by-step explanation:
Answer:
3x!
Step-by-step explanation:
Since the sides are the same (marked with the lines on the side) the 2 angles are also the same! :D
What is the slope and y-intercept of y=-5/4x+4 and the slope and y-intercept of y=3/2x-7
Answer:
Step-by-step explanation:
The slope of y = -5/4x + 4 is -5/4. The y-intercept is 4.
The slope of y=3/2x-7 is 3/2. The y-intercept is -7.
Stan earns $12 per hour by working as an intern at a law firm. How much money does he earn in a week in which he works 28 hours?
A.
$400
B.
$380
C.
$350
D.
$336
E.
$300
Answer:
D
Step-by-step explanation:
Stan works for 28 hours and gets paid $12 for each hour, so the amount of money he gets in total is $12*28 = $336.
how to work out the surface areas of cuboid? height=2cm length=10cm width=7cm Please do it step by step
Answer:
208 you find the area of each face then add them up
Step-by-step explanation:
pls help me solve pls show how you got the answer
Answer:
12.8
Step-by-step explanation:
Find the difference between 1.9 and 1.5 (Divide them)
You get 1.9 ÷ 1.5 = 1.26
Then multiply the answer with 8,
8 x 1.26 = 12.8 (Nearest tenth)
Have a great day :)
Help me please I am going to die with school rn
Answer:
416 ft
Step-by-step explanation:
We will start with the easiest shape.
10 x 4 x 4 = 160
We will put that to the side and continue.
we see that 20 feet is the whole height of the object but since there is the height of 4 feet on the bottom shape, we will take 4 from 20 to give us 16 feet for the top shape.
16 x 4 x 4 = 256
Now, we add the totals.
256 + 160 = 416
Answer:
416 ft
Step-by-step explanation:
We will start with the easiest shape.
10 x 4 x 4 = 160
We will put that to the side and continue.
we see that 20 feet is the whole height of the object but since there is the height of 4 feet on the bottom shape, we will take 4 from 20 to give us 16 feet for the top shape.
16 x 4 x 4 = 256
Now, we add the totals.
256 + 160 = 416
Rachel is at a 6-day camp. She gets homesick after
1 days. What fraction of camp has she completed before she gets homesi
Answer:
1/6
Step-by-step explanation:
What is the solution for the equation?
HELPPPPPPPW PLSSSSBRBEHD
Answer:
b. 10
Step-by-step explanation:
3 (x 2) = 6
5 (x 2) = 10
Answer:
Helen scores 10 points.
Step-by-step explanation:
We are given that for every 3 points Glenn scores, Helen scores 5 points. Glenn now scores 6 points and Helen's score is unknown. We can write this as a ratio.
Glenn - 3 : 5 - Helen
Glenn - 6 : ? - Helen
We can divide 6 by 3 to get the rate of change, which is 2. Then multiply 5 and 2 and we get 10! Helen scores 10 points for every 6 points Glenn scores. I hope this helps! :D
find the surface area of each figure. round to the hundredths place
Given:
In the given cone,
Radius of the cone = 7.2 m
Slant height of the cone = 17 m
To find:
The surface area of the cone.
Solution:
The surface area of a cone is:
[tex]A=\pi rl+\pi r^2[/tex]
Where, r is the radius of the cone and l is the slant height of the cone.
Putting [tex]\pi=3.14,\ r=7.2,\ l=17[/tex] in the above formula, we get
[tex]A=(3.14)(7.2)(17)+(3.14)(7.2)^2[/tex]
[tex]A=384.336+162.7776[/tex]
[tex]A=547.1136[/tex]
[tex]A\approx 547.11[/tex]
Therefore, the surface area of the given cone is 547.11 square m.
In the figure below, secant PQ intersects the circle at R and secant SQ intersects the circle at point T. What is the value of z?
Answer:
19
Step-by-step explanation:
6×(6+14) = 5×(5+z)
120 = 25 + 5z
95 = 5z
z = 19
1. Find the median, mode, and mean for, {1, 4, 8, 3, 4, 5, 2, 2, 2, 5}
Answer:
Mean: 3.6
Median: 3.5
Mode: 2
Step-by-step explanation:
Mean: The sum of all numbers divided by the amount of numbers.
Median: The number in the middle.
Mode: the number that is frequently used.
------------------------------------------------------------------------------------------------------
Mean: 1 + 4 + 8 + 3 + 4 + 5 + 2 + 2 + 2 + 5 = 36 ÷ 10 = 3.6
Median: 1, 4, 8, 3, 4, 5, 2, 2, 2, 5. since two numbers are in the middle, we need to add 3 + 4 ÷ 2 = 3.5
Mode: 1, 4, 8, 3, 4, 5, 2, 2, 2, 5. The mode is two because it is used the most.
Find the measure of each bolded arc. Round to the nearest hundredth
Answer:
Arc Length = 68.7
Step-by-step explanation:
The formula that is used to find the arc length:
s = (θ/360) * 2πr
(You would get the value of θ, by subtracting 57 from 360)
(You would get r by dividing 26 by 2)
Now we can solve this;
s = (303/360) 2π(13)
s = 0.842 * 2π(13)
s = 0.842 * 0.283(13)
s = 68.7
Hope this helps!
A wildlife refuge has 200 birds when it is first established. It is so
successful that the number of birds increases by 25% every year.
Write a function to model the situation.
Find the number of birds present after 7 years.
Answer:
550 birds
Step-by-step explanation:
25% × 7 = 175%
100% + 175% = 275%
[tex]\frac{y}{200} :\frac{275}{100}[/tex]
y × 100 = 275 × 200
100y = 55000
100y ÷ 100 = 55000 ÷ 100
y = 550
Answer:
200*1.25ˣ
954
Step-by-step explanation:
let x= years
200*1.25ˣ = birds
plug in 7 for x
200*1.25⁷=953.6743164
round to 954
5x-4y=19
x+2y=8
simultaneous equation
Answer:
x=5
y=1.5
Step-by-step explanation:
2x(3x -5) -3(x -3) for x = 2
SIMPLIFY THE FOLLOWING
Answer:
-15
Step-by-step explanation:
go to the picture okay
Answer: 7
Step-by-step explanation:
2x(3x-5) -3(x-3)2(2)(3(2)-5) -3(2-3) First you substitute 2 for all the x's. The twos in . parentheses represent multiplication.4(6-5) -3(2-3) Second, you multiply 2 by 2, which equals 4, . and multiply 3 by 2, which equals 6. 4(1) -3(-1) Next, you solve the problems in the . parentheses, which is 6 minus 5 is 1, and 2 . minus 3 is -14-(-3) Next, you multiply 4 by 1, which is 4, and . multiply 3 by -1.4+3 Since two negatives make a positive, the . equation changes to 4 plus 3.7 Finally, you add 4 plus 3 and get 7.P.S: Sorry about the random periods. I had to put them in to format it like that.
PLEASE ANSWER THIS QUESTION I ONLY HAVE 30 MINUTES!!!! I WILL GIVE YOU BRAINLIEST!!!! Broccoli costs 3.14 a pound at the market. Aunt Jaime bought 2.5 pounds. what is the cost? PLS ANSWER I NEED TO MAKE MY SISTER BREAKFIST!!!!
Answer:
The final cost is 7.85
Step-by-step explanation:
Take 3.14 and multiply it by 2.5
match each problem to the inequality that models it! One choice will be used twice.
question in picture
correct answer marked brainliest
Help ASAP !!!
What is the angle of 1
Answer:
100°
Step-by-step explanation:
m L 1 = (180-100) + 20 = 80+20 = 100°
Which of the following is not equivalent to this expression?
2m + 10m +14+3
A. m +12m +8+9
B. 2m + 10 + 10m +7
C. 6m + 6m - 1 + 18
D. 15m +15 - 3m +2
Answer:
A
Step-by-step explanation:
the given equation can be simplified to 12m+17
so if we simply the other options we see that A = 13m+17