Answer:
15
Step-by-step explanation:
3 120/10
HELPP PLEASE LOOK AT IMAGE
Answer:
33.3%
Step-by-step explanation:
There are 3 sections the spinner can land on, and only one meets the requirement (less than 3, so the 2 section is the only one). Therefore the chance of landing on 2 is 1/3, or 0.333...... which can be converted into percentage by multiplying it by a hundred.
-0.333..... x 100 = 33.33333....
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At the zoo, 1/3 of the animals are mammals. 1/4 of the mammals are elephants. What fraction of the animals at the zoo are elephants?
awnser choices:
1/12
1/7
2/4
2/3
Answer: 1/12
Step-by-step explanation:
1/3 x 1/4 = 1/12
DeAngelo rode his bike at a rate of 12 miles per hour. At that rate, how far could he ride in three hours?
At the given rate, he could ride 36 miles in three hours
What is multiplication?Multiplication is a mathematical arithmetic operation. It is also a process of adding the same types of expression for some number of times.
Example - 2 × 3 means 2 is added three times, or 3 is added 2 times.
Given:
DeAngelo rode his bike at a rate of 12 miles per hour.
At that rate,
He rode in three hours,
= 3 x given rate
= 3 x 12
= 36
= 36 miles.
Therefore, he rode 36 miles in three hours.
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help me, please math is hard
Answer:
50
Step-by-step explanation:
70% of 50 is 35
and 30% of 50 is 15
and 35-15 is 20
Answer:
15
Step-by-step explanation:
i need help please
(x - 12) ÷ y + z =
for x = -23 y = -5 z = -10
Parenthesis operations are performed first.
If there is an exponential or radical number in the question, the second step is to solve these operations.
Then multiplication and division should be done.
Fourth, addition and subtraction must be done.
Also operations with the same priority are ordered from left to right.
First, let's put the given values in their places.
for x it is -23
for y it is -5
for z it is -10
( - 23 - 12) ÷ (-5) + (-10) // do the paranthesis first from left to right
-35 ÷ -5 -10 // then do the division
7 - 10 = -3 answer
Tony is jumping off the ramp with his bicycle. What is an approximate angle measurement of the ramp?
A. 50 degrees
B. 35 degrees
C. 15 degrees
D. 5 degrees
Answer:
50 degrees I think, I'm sorry correctly I don't know
Answer:
its 35
Step-by-step explanation: i used a protractor
Trisha is going to make a border of icing around a circular cake with a diameter of 8 inches.
Which of the following represents the amount of icing Trisha will need?
a. 12.56 inches
b. 25.12 inches
c. 18.62 inches
d. 50.24 inches
Answer:
Step-by-step explanation:
la b
Answer:
B.)25.12
Step-by-step explanation:
We are simply finding the perimeter of the cake
.Perimeter: π × diameter
Perimeter: 3.14 × 8
Perimeter: 25.12 inches
Figure Q has undergone a dilation
Which scale factor was used for the dilation?
A. 1/2
B. 3
C. 1/3
D. 2
Answer: 2
Step-by-step explanation: the figure has increased by 2 by x and y
Dilation means changing the size of an object without changing its shape. The size of the object may be increased or decreased based on the scale factor.
An example of dilation math is a square of side 5 units can be dilated to a square of side 15 units, but the shape of the square remains the same.
Dimensions of Object Q are as follows:
(3 1/3,1)
(3 1/3,2)
(1,1)
(1,2)
Dimensions of Object Q’ are as follows:
(6 2/3,2)
(6 2/3,4)
(2,2)
(2,4)
Dimensions of Object Q to Object Q’ are as follows:
(3 1/3,1) ⇒ (6 2/3,2)
(3 1/3,2) ⇒ (6 2/3,4)
(1,1) ⇒ (2,2)
(1,2) ⇒ (2,4)
Let’s consider each vertex one by one.
Therefore, the scale factor in this dilation is 2.
So, the correct option is Option (D) 2
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Mark BRAINLIEST
Tell whether the angles are complementary or supplementary. Then find the value of x.
help pls i don't get it...
Answer:
The angles are complementary, hence the answer is the second one.
Step-by-step explanation:
Since 90° - 65° = 25°, we know that 5x =25°, hence x is equal to 25° ÷ 5, which is 5°, hence, x = 5° and the answer is the second one
Hope this helps :))
P.s. can you mark me as the brainliest? <3
Answer:
(b) Complementary; x = 5
Step-by-step explanation:
Angles are complementary when the total of their measures is 90°. Angles are supplementary when the total of their measures is 180°. A right angle has a measure of 90°, so any pair of angles that has the same total measure as a right angle are complementary angles.
__
interpreting the figureThe little square in the corner of the figure indicates that angle is a right angle, and has a measure of 90°. The ray headed off to the northeast divides that 90° angle into two parts, labeled 65° and 5x°. In math, the whole is the sum of the parts, so the 90° angle is the sum of the 65° and 5x° angles.
Those two angles total 90°, so they are complementary.
making use of the relationNow that you understand the sum of the two marked angles is 90°, you can use that fact to write an equation:
65° +5x° = 90° . . . . equation relating the complementary angle measures
solutionThis is a 2-step linear equation, so is solved the way that kind of equation is solved.
5x° = 25° . . . . . step 1: add the opposite of 65° to get the x-term alone
x = 5 . . . . . . . . .step 2: divide by the coefficient of x to get x alone
The angles are complementary, and the value of x is 5.
_____
Additional comment
In order to keep the equation true, whatever operation we perform on one side of the equation must also be performed on the other side. When we say "add -65°", we mean that value is added to both sides of the equation. Above, we have skipped the steps of showing that addition and the subsequent simplification. (Similarly, we skipped the steps showing the division and the simplification process.)
65° +5x° = 90° . . the original equation. We want to eliminate the 65° term.
65° +(-65°) +5x° = 90° +(-65°) . . . . . add -65° (to both sides)
(65° -65°) +5x° = (90° -65°) . . . . . simplify the expressions a bit
0° +5x° = 25° . . . . . . . . . . . do the subtraction
5x° = 25° . . . . . . . . . . . 0 is the identity element for addition. Adding it changes nothing.
To make a number pattern, Shana used the rule "Add 3," with a whole number as the starting number. Which statement must be true about Shana's list of numbers?
Answer:
you didnt put enough context in your question but if shana kept using three she would have mixed even and odds in her numbers if you could give more context to the question id be glad to help more
please help will mark brainliest
Some students recorded how many minutes they spent on the phone in one day. They put the results in a Stem-and-Leaf Plot.
What is the mean number of minutes spent on the phone?
Explanation:
The data from the stem-and-leaf plot is:
10,
24,25,26,
30,30,32,33,
40,45,46
Add up those values
10+24+25+26+30+30+32+33+40+45+46 = 341
Then divide over n = 11 which is the sample size.
341/11 = 31 is the arithmetic mean.
Answer:
341/11 = 31 is the arithmetic mean.
Step-by-step explanation:
Free 5 points, Option 1 or Option 2
I need help deciding something
Make h the subject of the formula:
d=√(3h/2)
Answer:
Do you mean d = √(3h/2)?
Square both sides:
d² = √(3h/2)²
d² = 3h/2
Then, multiply both sides by 2/3 to obtain:
h = 2d²/3
I hope this helps!
Step-by-step explanation:
Someone please give me the brainliest answer to all these 5 questions
To find f(f^(-1)(9)), we need to first find f^(-1)(9), the inverse of f(9).
Given that f(4) = 9, we know that f^(-1)(9) is equal to 4.
Therefore, f(f^(-1)(9)) is equivalent to f(4).
Given that f(4) = 9 according to the problem statement, we can conclude that f(f^(-1)(9)) = 9.
Answer:
1. 4
2. y = sqrt(-x-2), domain: (-infinity, infinity)
3. (-infinity, infinity), (-infinity, infinity)
4. [0, infinity), [0, infinity)
5. 1/y^2
If you hade to use Algebar tiles to do the charge method subtraction and you problème is -9 - (-2)
Answer:
-9 - (-2)= -7
Step-by-step explanation:
What is the measurement of the longest line segment in a right rectangular prism that is 11.2 centimeters long, 6.6 centimeters wide, and 6 centimeters tall?
Answer:
Step-by-step explanation:
3.1313109
Answer: the answer should equal 3.131
Step-by-step explanation: as this is the measurement of the longest line in right rectangular prism.
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Jake has 150 feet of barb wire and needs to put it on 35 3/4 feet of fencing. How much barb wire can he use for each foot?
Answer:
4.19 ft
Step-by-step explanation:
Step 1: Change 35 3/4 into a decimal
35 3/4 = 35.75
3/4 = 75/100 = 0.75
Step 2: Move the decimal place 2 places to the right for both numbers
Step 3: Divide 150 by 35.75
(See Attachment)
Tip #1: Divide 2 Places After The Decimal Point While Dividing Decimals, Then Stop
Tip #2: Make The Decimal In The Divisor A Whole Number By Moving The Decimal Point, Then Do The Same Thing To The Dividend.
The length of barbed wire can he use for each foot will be 4.196 feet.
What is Algebra?The analysis of mathematical representations is algebra, and the handling of those symbols is logic.
PEMDAS rule means for the Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This rule is used to solve the equation in a proper and correct manner.
Jake has 150 feet of barbed wire and needs to put it on 35 3/4 feet of fencing.
Convert the mixed fraction number into decimal numbers.
35 3/4 = 35 + 3/4
35 3/4 = 35 + 0.75
35 3/4 = 35.75
The length of barb wire can he use for each foot will be
⇒ 150 / 35.75
⇒ 4.196
The length of barb wire can he use for each foot will be 4.196 feet.
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What is the domain and range of:
Answer:
b
Step-by-step explanation:
how it works with life
Snow is falling steadily in Syracuse, New York. After 2 hours, 4 inches of snow has fallen.
Complete the table and answer the questions.
Time (hours) Snow (Inches)
2/2
1
1
2
2 4
6.5
x
Answer:
all of the abpve
Step-by-step explanation:
Without plotting the point (3, 4), determine in which quadrant
it lies.
a. Quadrant I c. Quadrant III
b. Quadrant II d. Quadrant IV
16. Determine the measure of x:
21
680
х
1. Can someone help me with math
Answer:
I am pretty sure it is 1.
Step-by-step explanation:
I am doing addition and subtraction methods.
(25+8)^2-(8^2+25^2)=_
Please help! Thanks, no spam, ty!
solve it without using a calculator if best, I think there is a trick to solving this but I don't know.
Like in your earlier question, we'll use the identity
(a + b)² = a² + 2ab + b²
to write
(25 + 8)² = 25² + 2•25•8 + 8²
Then
(25 + 8)² - (8² + 25²) = 2•25•8 = 400
The point (14, -15) is reflected across both x- and y-axes. What are the coordinates of the reflected point?
please help im begging youu!! my mom will be upset if i dont get this done! plsss!!!
i tried answering as many as i could i hope it helped!
a 2-quart carton of pineapple juice costs $5.28. what is the price per cup
Answer:
$0.66 per cup
Step-by-step explanation:
There are 8 cups in 2 quarts, so 5.28/8 is $0.66 per cup.
Answer:
0.66
Step-by-step explanation:
8 cups are in 2 quarts so you going to count 8 cups untill you get 5.28 and then you see how many cents that it is so its 0.66
Water makes up about 71% of the Earth’s surface, while the other 29% consists of continents and islands. 96% of all the Earth’s water is contained within the oceans as salt water, while the remaining 4% is fresh water located in lakes, rivers, glaciers, and the polar ice caps.
The total volume of water on Earth is 1,386 million cubic kilometers.
a. What is the volume of salt water.
b. What is the volume of fresh water.
Answer:
a. what is the volume of salt water.
explanation:
So 71 percent of the earth's surface is water and that water is broken down as salt, water and fresh water, so 96 percent of 71 percent is salt.
Answer:
Step-by-step explanation:
Figure out how much salt is in 1 liter of the ocean water. Then multiply it the number of liters there are
I need help arranging cards in a 4 x 4 grid with numbers 1-9 so that the sum of each row and each column is 20. This what the grid looks like:
Answer:2
Step-by-step explanation:
I think
1) 35 is what percent of 700?________
2) What is 25% of 36? _______
3) Ted’s car is now worth $9000, which is 60% of what he paid for it. What did he pay for his car? ___