Answer:
Graph of f of x equals 25 multiplied by 1.45 to the power of x
Step-by-step explanation:
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Which of the following side lengths can form a triangle?
23, 28, and 55
24, 24, and 47
15, 30, and 45
8, 17, and 25
Answer: 24, 24, 47
Step-by-step explanation:
In order to form a triangle, the sum of two sides must be GREATER than the third side for all combinations.
a + b > c & a + c > b & b + c > a
23 + 28 = 51 which is NOT greater than 55
15 + 30 = 45 which is NOT greater than 45
8 + 17 = 25 which is NOT greater than 25
24 + 24 > 47 & 24 + 47 > 24 & 24 + 24 > 27
all combinations are true so these side lengths can form a triangle
Estimate the percent
r% of 5 is 14
Look at the attached picture
Hope it will help you
Good luck on your assignment
Answer:
[tex]r = 280\%[/tex]
Step-by-step explanation:
[tex]r\% \times 5 = 14 \\ \frac{r}{100} \times 5 = 14 \\ \frac{5r}{100} = 14 \\ r = \frac{14 \times 100}{5} \\ r = 280\%[/tex]
hope this helps
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Find the value of x?
x = ___ degrees
Answer:
x = 35°
Step-by-step explanation:
Hope it helps you in your learning process
90° + x = 125° (vertical angles)
x = 125° - 90°
x = 35°
Answer:
Step-by-step explanation:
i think it on a straight line so therefore its 180
125+90 (the right angle)
wich is 215
215 - 180 = 35
i think not quite sure
hopes this helps
Find the perimeter of the triangle or rectangle. The sides of each triangle are equal in length. Could you help with 16 and 18?
2. Evaluate x(-y + z) for x = -1, y = 2, and z = 5.
A 7
B 3
C-7
D-3
a sector with a radius of 15 cm has a central angle measure of 8π/5 what is the area of the sector
Answer:
area of the sector = 360π cm²
Step-by-step explanation:
To calculate the area of the sector, we will follow the steps below;
First write down the formula for calculating the area of a sector.
If angle Ф is measured in degree, then
area of sector = Ф/360 × πr²
but if angle Ф is measured in radians, then
area of sector = 1/2 × r² × Ф
In this case the angle is measured in radiance, hence we will use the second formula
From the question given, radius = 15 cm and angle Ф = 8π/5
area of sector = 1/2 × r² × Ф
=1/2 × 15² × 8π/5
=1/2 ×225 × 8π/5
=360π cm²
area of the sector = 360π cm²
What's the right answer?????????
So the right answer is 166.375 ^3
Look at the attached picture
Hope it will help you
Good luck on your assignment
Answer:
166.375m^3
Step-by-step explanation:
V=lwh
=5.5m×5.5m×5.5m
=166.375m^3
If the two lines below are perpendicular and the slope of the red line is - 5/2
what is the slope of the green line?
Answer:
B
Step-by-step explanation:
A recent study was conducted to see whether customers buy more books online or in store they surveyed 100 online customers 100 customers in the store the data is not above what inference can be drawn
Answer: 2819
Step-by-step explanation: 1xxmxm
Answer:
Read explanation
Step-by-step explanation:
The inference can be made, that customers buy less books during in-store sales, and they buy larger amounts of books during online sales.
(3x + 24) = (8x-11) what is the answer
Answer:
7
Step-by-step explanation:
(3x + 24) = (8x-11)
24=5x-11
35=5x
x=7
Answer:
7
Step-by-step explanation:
The square has the same perimeter as the triangle.
What is the length of each side of the square?
32 cm
7 cm
8 cm
6 cm
Answer:
the answer is 8 cm because if you add up all the numbers of perimeter and then divide it by 4 that's all the sides of the square
what is the length of the radius in circle C
What is the solution to the system of equations graphed below?
I’m in the middle of the quiz, help me pls :c
Answer:
(4,2) is the answer
A 943-foot tree has grown at a constant rate each year. In the equation below, t is the age of the three in years.
23t=943
what is the unit rate in the equation above?
A. 943 feet per year
B. 41 feet per year
C. 920 feet per year
D. 23 feet per year
Answer:
B. 41 feet per year
Step-by-step explanation:
943/23= 41
Total feet / coefficient= feet per year
ZC is opposite
B
А
A.
B. AC
C. C
D. AB
E. ZA
FAC and BC
Answer:
D
Step-by-step explanation:
∠ C faces side AB, thus
∠ C is opposite AB → D
factory makes car batteries. The probability that a battery is defective is 1/14. If 400 batteries are tested, about how many are expected to be defective?
A) 14
B) 371
C) 29
D)35
The required number of defective batteries is 29 out of 400 batteries tested. Option C. is correct.
The probability that a battery is defective is 1/14. The probability that a battery is defective is 1/14. If 400 batteries are tested, how many are expected to be defective s to be determined?
Probability can be defined as the ratio of favorable outcomes to the total number of events. it can be denoted as,
Probability = number of favorable outcomes / total sample space
The probability that a battery is defective given by,
P(D) = 1/14 = 0.072 or 7.2%
400 batteries are tested while multiplying the defective percentage to the number of batteries it gives the defective number of batteries
Number of defective batteries,
= 400 * 7.2%
= 400 * 7.2/100
=≈ 29
Thus, the required number of defective batteries is 29 out of 400 batteries tested. Option C. is correct.
Learn more about probability here:
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1) Andy drove 840 miles in 12 hours. How far could he drive in 3 hours?
Unit rate (speed) _____
Distance _____
2) Pira drives 825 miles to California. The trip takes 17 hours. He uses 38 gallon of gas on the trip, which costs him $125.
Find his speed
Find his gas mileage
Find the unit price he paid for gas.
Answer:
Step-by-step explanation:
Mr. Anderson drove 168 miles in 3 1/2 hours: d1 = 168 mi
t1 = 3 1/2 hr
t1 = 3.5 hr
v1 = the first rate
v1 = d1/t1
v1 = 168/3.5
v1 = 48 mph
He then drove 2 1/4 hours at a rate of 5 miles an hour faster than the first rate:
t2 = 2 1/4 hr
t2 = 2.25 hr
v2 = v1 + 5
v2 = 48 + 5
v2 = 53 mph
d2 = the distance
d2 = v2*t2
d2 = 53*2.25
d2 = 119.25 mi
during the total time 3 1/2 + 2 1/4 = 5 3/4 hr Mr. Anderson drove:
d1 + d2 = 168 + 119.25 = 287.25 mi.
Hope that helps :)
PLZ HALP!!!!!
The number in the chart are the math test scores of 10 seventh hrade students.
Which of the following is most affected by the lower score?
A.) the mean and median
B.) the median
C.) the mean
D.) the mode
Answer:
C
Step-by-step explanation:
The mean of a set of values is the average of all of them. The median is just the center most value when you arrange the values in order from least to greatest, or the average of the most central two if there is an even number of values. The mode is simply the value that shows up the most. The single, low outlier does not affect the median and mode almost at all, and only has a large influence on the mean, since it brings down the average. Therefore, the correct answer is choice C. Hope this helps!
Answer:
The mean... the median is in the middle, it won't change, the mode is the most repetitive number and it won't change neither... so the mean will be the most affected.
State the coordinates of a point in the solution set
Answer:
It's any point in the mixed color area
Step-by-step explanation:
The coordinates of a point in the solution set is (3,2).
What is an inequality?A relationship between two expressions or values that are not equal to each other is called 'inequality'.
Given is the graph of system of inequalities,
The two lines are intersecting at (3,2), and the point at which the two lines intersects is considered to be the solution of the given system of equation.
Hence, the coordinates of a point in the solution set is (3,2).
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What is the area of the square?
A square has side lengths of 10.6 yards.
21.2 yd2
36 yd2
42.4 yd2
112.36 yd2
A square has side lengths of 10.6 yards. So, the area of a square would be equal to 112.36 yd sq.
What is the area of a square?The area of a square can be calculated as the square of the sides of a given figure.
The area of a square = side x side
We have given information as
A square has side lengths of 10.6 yards.
And since it is a square, all sides are equal.
The area of a square = side x side
[tex]10.6 \times 10.6\\\\112.36\: yd^2[/tex]
Learn more about the area;
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b)work out the probably that the number is in the set AnB
Answer:
26
Step-by-step explanation:
because number 26 is in the both sets
What is the exact volume of the cylinder? Enter your answer, in terms of π, in the box.
m³
Answer:
Use the formula;
[tex]V=\pi r^{2}h[/tex]
if diameter is given, divide by 2 to find the radius,
if circumference is given, divide by π and 2 to find the radius,
if the length of an arch is given, find the total circumference, and find the radius.
the quotient of h and 8 is split by 12
Answer:
i am lead to believe the answer is 4. if not, please don't hesitate to correct my mistake.
Step-by-step explanation:
Solve the inequality 4y+3y>2y+14
Answer:
Y>14/5
Step-by-step explanation:
Hope I helped:)
Answer:
y>14/5
Step-by-step explanation:
4y+3y>2y+14
Step 1: Simplify both sides of the inequality.
7y>2y+14
Step 2: Subtract 2y from both sides.
7y−2y>2y+14−2y
5y>14
Step 3: Divide both sides by 5.
5y/5>14/5
y>14/5
The graph represents this system of equations.
What is the solution to the system of equations?
y=4
v=3 -
(-2,4)
(3, 4)
(4, -2)
O (4,3)
2
1
-54
3
-2
-1
2
3
4
5
-3
4
Answer:
(- 2, 4 )
Step-by-step explanation:
The solution to a system of equations given graphically is the point of intersection of the 2 lines.
The point of intersection is (- 2, 4 )
Thus the solution is (- 2, 4 )
Answer:
(-2,4)
Step-by-step explanation:
edg. 2020
A cleaning company charges x dollars per hour to clean floors and y dollars per hour to clean the rest of the house
-when the company spends 2 hours to clean floors and 3 hours to clean the rest of a house,the total is $84.
-when the company spends 1 hour to clean floors and 4 hours to clean the rest of a house,the total is $87
Which ordered pair represents the hourly charges to clean floor and to clean the rest of the house?
A.(12,20)
B.(15,18)
C.(20,12)
D.(18,15)
Answer:
(15,18)
Step-by-step explanation:
write two equations with the information provided.
2x + 3y = 84
x + 4y = 87
use the property of substitution to answer.
x + 4y = 87, x = 87 - 4y
2(87 - 4y) + 3y = 84
174 - 8y + 3y = 84
174 - 84 = 8y - 3y
90 = 5y
90/5 = y
y = 18
Add the value of Y to an original equation. Solve for X
2x + 3(18) = 84
2x + 54 = 84
2x = 84 - 54
2x = 30
x = 30/2
x = 15
Ariana buys an ant farm from a store near her home. The ant farm's price is $12 and the sales tax is 7%. What is the total price of the ant farm? 100 points
Answer: The total price for ant farm is $12.84
Step-by-step explanation:
The price of ant farm = $ 12
The sales tax on the price = 7%
Noe, 7% of $12 =
⇒The tax amount on the price = $0.84
So, the Taxed amount = The original price + Tax
$ 12 + $0.84 = $12.84
Hence the total price for ant farm is $12.84
Please, if I get this wrong I fail please help me, it will mean a lot to me
Answer:
x = 58°
Step-by-step explanation:
First, we need to find the green angle on the bottom left of the triangle.
We know that straight lines are supplementary, or equal 180 degrees, so we can say that 114° + a (a variable representing the measure of the angle) = 180°.
Equation:
114 + a = 180
Solve:
114 + a = 180
-114 -114
a = 66
Therefore, the value of the green angle is 66 degrees.
Now, we need to find the value of angle x.
We know that the sum of the angles in a triangle is 180 degrees.
So, 56° + 66° + x = 180°
Equation:
56 + 66 + x = 180
Add:
56 + 66 + x = 180
122 + x = 180
Subtract:
122 + x = 180
-122 -122
x = 58
Therefore, x is 58 degrees.
Answer:
58
Step-by-step explanation:
An exterior angle is equal to the two remote interior angles. It would be easier to understand that just by adding the numbers in an equation.
Exterior angle = 114
Remote interior angles = x and 56
exterior angle = sum of x and 56 which are the two remote interior angles.
x + 56 = 114 Subtract 56 from both sides.
x+56-56=114-56
x = 58
what problem could happen if judges only used whole numbers instead of decimals to keep scores? What problems might arise?
Find the value of x (approximately),
A = 177 cm?
x cm
13 cm
11 cm
12.8 cm
16.2 cm
14 cm
13.6 cm
Answer:. If the Area is 177, it should have been given in square centimeters.
If one side is 13 cm, the other side is about 13.6cm.
If one side is 11 cm, the other side should be about 16.1 cm. Even the choice is incorrect!
A/x = w
Step-by-step explanation: to find a side when the Area is given, divide the Area by the length or width given.