Answer:
106
Step-by-step explanation:
7*10*36=106
What is the next term in the
arithmetic sequence below?
15, 8, 1, -6,...
A - 15
B - 13
C – 12
D 1
Answer:
B -13
Step-by-step explanation:
Answer:
-13
Step-by-step explanation:
hope it helps you.good day
Find the measure of angle x 142
Answer:
x= 142°
I hope it's helps you
Answer:
x = 142°
(x and 142° are vertically opposite angles.)
Hi, will ya'll please help me..?
Answer:
1. 48
2. 45
3. 32
4. B
Step-by-step explanation: Hope this help :D
3 Terrence uses pieces of wood that are 10 inches long to
make whistles. He has a piece of wood that is 122 feet
long. How many whistles can he make?
Answer:
146 whistles
Step-by-step explanation:
First, convert 122 feet to inches, by multiplying it by 12
122(12)
= 1464
Divide this by 10 to find how many whistles he can make
1464/10
= 146.4
Since we can only have a whole number of whistles, we have to round down to 146.
So, he can make 146 whistles
-2 + 12/25 enter the answer as an exact decimal
Answer:
-1.52
Step-by-step explanation:
-2+0.48=-1.52
solve by completing the square! (will give brainliest for work!!!)
x ^ 2 - 2x = - 26
Answer:
Step-by-step explanation:
x²-2x=-26
add both sides (-2/2)² or 1
x²-2x+1=-26+1
x²-2x+1=-25
(x-1)²=25×-1
(x-1)²=5²×i²=(5i)²
x-1=±5i
x=1±5i
there are 50 pupils in a class out of this 1/10 speak french only and 4/5 of the remainder speak both french and english. if the rest speak to english only, find the number of students who speaks both english and french?
English only?
Answer:
English and French:40 and English:10
Step-by-step explanation:
English and French:4÷5×50
=40
English:1÷10×50
=10
2x - 5 < 33 what are all the values to this inequality
Answer:
x < 19
Step-by-step explanation:
Given that,
An inequality 2x - 5 < 33.
LHS of the inequality is 2x - 5
RHS of the inequality is 33
LHS < RHS
i.e.
2x - 5 < 33
Add 5 to both sides of the inequality
2x - 5 +5 < 33+5
2x < 38
Divide both sides by 2.
x < 19
So, the value of x is less than 19.
A Business Has 384 cases of water. There Are 42 bottles of water does the business have
Answer:
Step-by-step explanation:
Given that cos 43° 0.731, enter the sine of a complementary angle.
sin
Answer:
sin 47° = 0.731
Step-by-step explanation:
the complementary angle to 43° is 47°
sin 47° = 0.731
Answer:
0.731
Step-by-step explanation:
Because of the identity
cos x = sin(90-x).
someone help me answer this!!
Answer:
11.4 units is your answer :)
Eva is a hairdresser. Before her lunch break, she gave 4 haircuts and colored the hair of 4 clients in 376 minutes. After lunch, she gave 2 haircuts and colored the hair of 4 clients in 336 minutes. How long does it take for Eva to perform each type of service, assuming the amount of time doesn't vary from client to client?
Step-by-step explanation:
ratio 6:8
376+336=712
6+8=14
712/14=50.86
haircut= 50.86*6=305.16
colour= 50.86*8=406.88
i hope this helps
Which of the following are perfect square trinomials?
(1) 4x2 +9
(2) x2 - 8x + 16
O Only (2) is a perfect square trinomial.
O Neither (1) nor (2) is a perfect square trinomial.
Both (1) and (2) are perfect square trinomials.
Only (1) is a perfect square trinomial.
Answer:
Only 2
Step-by-step explanation:
1 is a binomial.
2 is a trinomial, and the first and last numbers are perfect squares (1 and 16)
GIVING OUT BRAINLIEST ANSWER HELP PLSSSS
Answer:
x = 63.43...
Step-by-step explanation:
Ok, so the angle x is the same measure as the bottom right angle of the triangle because the bottom of the triangle and the dashed line are parallel. Knowing this we can simply solve for the bottom right angle and it will be the same as angle x.
To do this we can set up and equation with tangent because we are working with the opposite and adjacent sides of the triangle.
[tex]Tan(x) = \frac{opposite}{adjacent} = \frac{50}{25} = 2[/tex]
[tex]Tan(x)=2\\[/tex]
Now to isolate the variable, we can simply use the cotangent or inverse tangent.
[tex]Tan^{-1}(Tan(x)) = Tan^{-1}(2)\\x = Tan^{-1}(2)\\x = 63.43...[/tex]
Given sin 0 = ā, find cos 0.
✓[?
cos e
=
ө
Step-by-step explanation:
when you look at the graphic and the right-angled triangle :
sine is the length of the vertical leg (opposite of the associated angle) divided by the length of the Hypotenuse (the baseline opposite of the 90° angle), because the sine function values are defined for the norm circle with radius 1. for any larger circle (or triangle inscribed in such a larger circle), we get the basic trigonometric function values by measuring the sides and norming to a radius of 1 (dividing them by the length of the actual radius).
cosine is the horizontal leg (at the "bottom").
the same principle applies. the cosine value is the length of that leg divided by the length of the Hypotenuse.
we know from the given ratio for sine, that the length of the Hypotenuse is 6.
so, we know 2 sides of the right-angled triangle :
the vertical leg is 5, the Hypotenuse is 6.
now, we use Pythagoras to get the horizontal leg :
6² = 5² + leg²
36 = 25 + leg²
11 = leg²
leg = sqrt(11)
and so cosine of the angle is
sqrt(11)/6
Math homework geometry please help
Answer:
A
Step-by-step explanation:
The theorem we use for this is
[tex]a(a + b) = c(c + d)[/tex]
Solve for d.
[tex]a(a + b) = c { }^{2} + cd[/tex]
[tex]a(a + b) - {c}^{2} [/tex]
[tex] \frac{a(a + b) - {c}^{2} }{c} [/tex]
A is the answer
∠X=5x+30
∘
\angle \mathrm{Y}=3\mathrm{x}+60^{\circ}∠Y=3x+60
∘
Corresponding angles on parallel lines cut by a transversal are equal
5x + 30 = 3x + 60
Subtract 3x from both sides
2x + 30 = 60
Subtract 30 from both sides
2x = 30
Divide both sides by 2
X = 15
if 4200 out of 5600 person's voted in an election the percentage which did not vote was
Answer:
25%
Step-by-step explanation:
If the total number of people is 5600, then to find the number of people that did not vote you subtract 4200 from 5600.
5600-4200=1400
Then you can set up the number of people who didnt vote as equal to a percentage over 100
1400/5600=x/100
140000/5600=x
25=x
Find the area of this triangle
Use Heron's formula.
A = sqrt{(s - a)*s - b)(s - c)}, where a, b, and c represent the sides of the triangle.
We need to find s first.
So, s = (a + b + c)/2.
s = (13 + 6 + 9)/2
s = 28/2
s = 14
We now plug everything into the Heron's area formula.
A = sqrt{(14 - 13)(14 - 9)(14 -6)}
A = sqrt{(1)(5)(8)}
A = sqrt{40}
A = 6.3245553203
Let us now round to one decimal place as instructed. We round to the tenths place, in other words.
A = 6.3 cm^2
Did you follow?
Leo is saving money to buy a snowboard. In March, he saved
$200. In April, he saved 35% more than what he saved in
March. How much did he save in April?
Answer:
$270
Step-by-step explanation:
35%= 0.35
200*0.35 =70
He saves $70 more.
Altogether saves $270
pls help thx x, wont take to long:)
Paulo gave half of his candies to Pablo. Pablo gave half of his candies to Paulina. Paulina gave 1/4 of the candies given to her to Paulette and kept the remaining 27. How many candies did Paulo start with?
A high school soccer goalie blocked the ball from going into the goal 4 out of 5 times if the ball was kicked toward the goal 40 times how many blocks did the goalie make
Answer:
32 times
Step-by-step explanation:
4/5:x/40 ----x=32
PLEASE HELP!
An airplane flying at an altitude of 18,000 feet has just begun its descent, and it will descend at a rate of 450 feet per minute.
Which of these equations represents the airplane's altitude, y, in feet after it has been descending for x minutes?
A. y equals negative 450 x minus 18,000
B. y equals negative 450 x plus 18,000
C. y equals 450 x minus 18,000
D. y equals 450 x plus 18,000
Answer:
Choice B
y = -450x +18,000
Step-by-step explanation:
18,000 = b
descent rate = 450 = m
x = minutes
The hypotenuse of a right triangle is 8 meters longer than the shortest leg. The longest leg is 4 meters. Longer than the shortest leg find the length of the longest leg
Answer:
the leg is 6.9
Step-by-step explanation:
use the reverse Pythagorean therm
find the square root of 8(squared) - 4(squared) =6.9
What is the equation of the line perpendicular to y=1/2x+6 that passes through points 4,1
What is the qoutient of 6 and -1/2?
Answer:
5.5
Step-by-step explanation:
explain it how a 9th grader would
Answer:
a) The golf ball reaches a height of 64 feet.
b) The golf ball will take 2 seconds to reach maximum height.
c) The golf ball will take 4 seconds to land after being hit.
d) The golf ball will be 48 feet above ground 1 and 3 seconds after being hit.
Step-by-step explanation:
a) The parabolic motion of the golf ball is described by a second order polynomial, that is, the equation of the parabola. To determine the maximum height of the golf ball, we need to transform the equation of the parabola given into vertex form:
[tex]h = -16\cdot (t^{2}-4\cdot t)[/tex]
[tex]h - 64 = -16\cdot (t^{2}-4\cdot t + 4)[/tex]
[tex]h - 64 = -16\cdot (t-2)^{2}[/tex]
From this form we can obtain relevant information of the maximum height of the golf ball, contained in the left side of the equation. On this approach, we conclude that the golf ball reaches a height of 64 feet.
b) The time taken by the golf ball is contained in the right side of the formula. That is, the golf ball will take 2 seconds to reach maximum height.
c) In this case, we need to factor the polynomial to find right times, that is:
[tex]h = 64\cdot t - 16\cdot t^{2}[/tex]
[tex]h = 16\cdot t \cdot (4 - t)[/tex]
The time taken by the golf ball to land is contained in the second binomial. In a nutshell, the golf ball will take 4 seconds to land after being hit.
d) If we know that [tex]h = 48[/tex], the time taken by the golf ball to be 48 feet above the ground is:
[tex]64\cdot t - 16\cdot t^{2} = 48[/tex]
[tex]16\cdot t^{2}-64\cdot t +48 = 0[/tex]
By Quadratic Formula, we have the following roots:
[tex]t_{1} = 3[/tex], [tex]t_{1} = 1[/tex]
The golf ball will be 48 feet above ground 1 and 3 seconds after being hit.
Please answer this for 15 points :) <333
Answer:
A.
Elena can run 3 miles per hour.
Step-by-step explanation:
Given that:
a circular running track = 1/5 mile
On this track, Elena runs completing each of the laps in 1/15 of an hour
We are to find Elena running speed.
It implies that the distance of Elena = [tex]\dfrac{1}{5}[/tex]
Time to run each lap = [tex]\dfrac{1}{15} \ of \ an \ hour[/tex]
Speed is the amount of distance covered in a specified period of time.
Recall that the formula for calculating speed is:
[tex]Speed = \dfrac{distance}{time}[/tex]
[tex]Speed = \dfrac{\dfrac{1}{5}}{\dfrac{1}{15}}[/tex]
[tex]Speed ={\dfrac{1}{5}\times \dfrac{15}{1}[/tex]
Speed = 3miles / hour
As such, Elena can run 3 miles each hour.
The grade point average of 4 randomly selected college students is recorded at the end of the fall and spring semesters of their senior year, as follows: Student 1 2 3 4 Fall 2.6 3.0 1.5 1.4 Spring 1.7 2.2 1.4 0.90 Construct a 95% confidence interval for the mean difference in GPA
Answer:
(-0.607 ; 1.757)
Step-by-step explanation:
Student: __ 1 ___ 2 ___ 3 ___ 4
Fall _____2.6__ 3.0__ 1.5 __1.4
Spring___ 1.7__ 2.2 __1.4 __0.90
Using calculator :
Fall:
Xbar1 = 2.125
Sample size, n1 = 4
Standard deviation, s1 = 0.8
Spring :
Xbar2 = 1.55
Sample size, n2 = 4
Standard deviation, s2 = 0.54
Confidence interval :
(xbar1 - xbar2) ± Tcritical * Sp* √1/n1 + 1/n2
Sp = √[(df1*s1² + df2*s2²) ÷ (n1 + n2 - 2)]
df = n - 1
(xbar1 - xbar2) = 2.125 -1.55 = 0.575
Hence,
Sp = √(((3*0.8^2) + (3*0.54^2)) / 6)
Sp= √2.7948 ÷ 6
Sp = √0.4658
Sp= 0.682
Tcritical at 95%, df = 4 = 2.45
Error margin = 2.45 * 0.682 * √1/4 + 1/4 = 1.182
Confidence Interval:
Lower boundary = 0.575 -1.182 = -0.607
Upper boundary = 0.575 + 1.182 = 1.757
(-0.607 ; 1.757)
Find the area of the triangle 14 Ft 17 ft
Answer:
119
Step-by-step explanation:
14x17 = 238)/2