Answer: D
Step-by-step explanation:
In total 40 test tubes are required for 12 experiments.
The first two experiments will require 4 test tubes for each.
Hence, there will be a requirement of = 8 test tubes.
Six experiments require 3 test tubes each.
Hence, these 6 experiments will take 18 test tubes.
Other 2 experiments will take 2 test tubes.
Here, = 4 test tubes will be required.
Till now a total of (8 + 18 + 4) = 30 test tubes have been used.
The remaining number of test tubes is (40 - 30) = 10.
The remaining experiments require test tubes.
The first calculation to perform is 2(4) + 6(3) - 2(2).
Find the value of x in the triangle below.
Answer:
x = 50°
Step-by-step explanation:
Sum of Angles in a Triangle: 180°
All angles in a triangle must add up to 180°.
Step 1: Set up equation
x + 70° + 60° = 180°
Step 2: Solve for x
Combine like terms: x + 130° = 180°Subtract 130 on both sides: x = 50°Answer:
50°
Step-by-step explanation:
Step 1:
x + 70° + 60° = 180° Sum of a Δ
Step 2:
x + 130° = 180° Combine Like Terms
Step 3:
x = 180° - 130° Subtract 130° on both sides
Answer:
x = 50°
Hope This Helps :)
please help as soon as you know it the answer
Answer:
A
Step-by-step explanation:
When solving the inequality u have to sometimes change the sign it depends on the value of the number or answer.
HOPE THIS HELPS!
Julio bought 3/5 pound of potato salad for dinner. Wilma bought 5/4 the amount of potato salad that Julio did. How much potato salad did Wilma buy?
Answer:
1/5
Step-by-step explanation:
GOOD LUCK :3
Luisa ate 3 ounces of pretzels.
The pretzels she ate contained
grams of protein.
do mind if you put the answers to that box where you can pick a word?
and then i well help you as much as i can
Find the equation of the line USE EXACT NUMBERS
Y=____ X+____
Answer:
Slope: rise/run
= 5/5
= 1
Y-intercept: -5
SLOPE INTERCEPT FORM:
y = 1x-5
The equation of line is y = 1 x + ( -5 )
What is an Equation of a line?
The equation of a line is expressed as y = mx + b where m is the slope and b is the y-intercept.
And y - y₁ = m ( x - x₁ )
y = y coordinate of second point
y₁ = y coordinate of point one
m = slope
x = x coordinate of second point
x₁ = x coordinate of point one
Given data ,
y intercept b = - 5
Slope m = Rise / Run
= 5 / 5
= 1
The equation of line is y = mx + b
Therefore , y = x - 5
Hence , the equation of line is y = 1 x + ( -5 )
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At Thanksgiving, Mrs. Jones overcooked the turkey so all but StartFraction 4 Over 5 EndFraction of it had to be thrown away. The 8 people at dinner that night each received an equal share of the remaining turkey. To determine the amount of the turkey that each person would receive, Mrs. Jones wrote the expression below.
StartFraction 4 Over 5 EndFraction divided by 8
Which expression is equivalent to Mrs Jones’s expression?
StartFraction 8 Over 10 EndFraction divided by 8
StartFraction 8 Over 5 EndFraction divided by 4
StartFraction 5 Over 4 EndFraction times 8
StartFraction 4 Over 5 EndFraction times 8
Answer:8/10
Step-by-step explanation: 4/5 times 2 is 8/10 so they equal the same thing
Answer:
8/10
Step-by-step explanation:
Write the reciprocal of the following numbers.
7 over 10
Answer: - 10 over 7
Step-by-step explanation:
Answer:
when you reciprocate 7/10 it becomes 10/7
Which list shows all the factors of 28?
1, 4, 7, 28
1, 2, 4, 7, 14, 28
1, 2, 4, 6, 14, 28
1, 4, 6, 28
Answer:
Hope this helps
Also its the second one
Answer:1, 2, 4, 7, 14, 28
Step-by-step explanation:
The adult skeleton consists of 206 bones. There are 28 bones in the skull and 30 bones in the arms and legs. Out of the 28 skull bones, 14 are facial bones, 6 are ear bones and 8 are cranial bones. How many more bones are there in the arms and legs than in the face?
Answer:
16 more bones are in the arms and legs than in the face.
Step-by-step explanation:
30 - 14 = 16
You moved the decimals three places to the right when you "forgot" the decimals. How many places to the left should you move the decimal point in the answer?
Step-by-step explanation:
shouldnt it be 3
A corn vendor at a farmer's market was selling a bag of 8 ears of corn for $2.56. Another vendor was selling a bag of 12 for $4.32. Which bag is the better deal? Explain or show your reasoning.
Here is the pic for the question, please respond.
The questions are on the pictures ( I’m sorry there are so much pictures I couldn’t make the page smaller) :(
Answer:
9. A
10. D
11. True
Step-by-step explanation:
I might be incorrect sorry :(
Answer:
i think the person that answered first is correct
Step-by-step explanation:
Pls help I have a lot to do and it’s all due today
Answer:
C = 9
Step-by-step explanation:
:>
Answer: 45
Step-by-step explanation:
An amusement park’s goal is to sell 1 million tickets within the first four months of its being open.
How many more tickets does the park need to sell in Month 4 to reach this goal?
About how many tickets will the park need to sell in Month 4?
≈______ tickets.
Answer:
look at the explenation
Step-by-step explanation:
Hello! does it say how many have already been sold? if not then each month is 250,000 tickets
The amusement park needs to sell 250,000 more tickets in Month 4 to reach its goal of 1 million tickets in four months.
We can calculate the average number of tickets the amusement park needs to sell each month in order to determine how many more tickets they need to sell in Month 4 in order to meet their target of selling 1 million tickets within the first four months.
1,000,000 tickets ÷ 4 months = 250,000 tickets per month
250,000 tickets per month × 3 months = 750,000 tickets sold in the first three months
1,000,000 tickets goal - 750,000 tickets sold = 250,000 more tickets needed in Month 4
To reach its objective of selling 1 million tickets within the first four months, the theme park needs to sell 250,000 more tickets in Month 4.
average monthly target ≈ 250,000 tickets.
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how do you write this in standard notation?
4.9·10∧6
Answer:
49,00000
Step-by-step explanation:
Move the decimal to the right 6 places.
HELP!!! WILL MARK BRAINLIEST!
John increased the amount of water he drinks every day from 20 fluid ounces to 48 fluid ounces. By what percentages did John increases the water he drinks?
Answer:
240%
Step-by-step explanation:
48/20 = 2.4 = 240%
The value of y varies directly with x. When y=2 2/5, x=3/5.
What is the value of y when x is 4/5?
A. 1 2/5
B. 3 3/5
C. 3 1/5
D. 5 1/5
What is the total surface area of the right regular pyramid with a square base?
Answer:
106ft by 2
Step-by-step explanation:
Answer:
106 ft
Step-by-step explanation:
There are some nickels, dimes, and quarters in a large piggy bank. For every 2 nickels there are 3 dimes. For every 2 dimes there are 5 quarters. There are 500 coins total.
1.) How many nickels, dimes, and quarters are in the piggy bank? Explain your reasoning.
2.)How much are the coins in the piggy bank worth?
Answer:
1) 100 dimes, 150 nickels, 250 quarters.
2) $80
Step-by-step explanation:
Which is enough information to prove that u parallel to v? Lines u and v are cut by transversal t. Clockwise from top left, the angles formed by t and u are 1, 2, 3, 4; formed by v and t are 5, 6, 7, 8. Angle 2 is congruent to angle 4 Angle 4 is congruent to angle 8 Angle 6 + angle 7 = 180 degrees Angle 3 + angle 4 = 180 degrees
Answer:
b
Step-by-step explanation:
edg
Angle 4 is congruent to angle 8. This is enough information to prove that 'u' parallel to 'v'.
What are parallel lines?For a pair of lines, the perpendicular distance is equal at every point, then the pair of lines are called parallel lines.
The given information are:
1. Angle 2 is congruent to angle 4.
Angle 2 and Angle 4 are opposite angles. They are always equal.
This information does not prove that 'u' parallel to 'v'.
2. Angle 4 is congruent to angle 8.
Angle 4 and Angle 8 are corresponding angles.
This information proves that 'u' parallel to 'v'.
Angle 6 + angle 7 = 180 degrees.
The sum of the angle 6 and angle 7 are always 180 degrees.
This information does not prove that 'u' parallel to 'v'.
Angle 3 + angle 4 = 180 degrees
The sum of the angle 6 and angle 7 are always 180 degrees.
This information does not prove that 'u' parallel to 'v'.
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Please help me this is part of my grade and its really important! I’m very serious i dont want people answering nothing for points- i really need help. PLEASE give me right answers :(
Answer:
Step-by-step explanation:
74,000,000 = 7.4x10^7
.0000625 = 6.25x10^-5
18,000 = 1.8x10^4
.00009 = 9x10^-5
3,728,000 = 3.728x10^6
.0011 = 1.1x10^-3
Answer:
A. 7.4*10 to the 7th power
B. 6.25*10 to the -5th power
C. 1.8*10 to the 4th power
D. 9*10 to the -5th power
E. 3.728*10 to the 6th power
F. 1.1*10 to the -3th power
Step-by-step explanation:
Use the data in the table to find the rate of change in the length of baby girl Grace. (2 points)
Answer: Baby Girl Grace grows 3/4 inch every month.
Step-by-step explanation:
Y= (y_2 - y_1)/ (x_2 - x_1)
Y= (29-26)/(16-12)
Y= (3/4)
The rate of change of height of baby girl is 0.75 inches per month.
What is Rate of change?A value that results from dividing the change in a function of a variable by the change in the variable velocity is the rate of change in distance with respect to time.
Here, from the given table;
At 4th month, the length of baby girl = 20 inches
at 30th month, the length of baby girl = 39.5 inches
x₁ = 4, y₁ = 20
x₂ = 30 y₂ = 39.5
Now,
Rate of change of height = (y₂-y₁) / (x₂ - x₁)
= (39.5 - 20) / (30 - 4)
= 19.5 / 26
= 0.75
Thus, the rate of change of height of baby girl is 0.75 inches per month.
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The graph below represents the height of a golf ball in feet as a function of the elapsed time since it was hit. The golf ball was in the air for 4 seconds.
What are the domain and range of the representative function?
A)Domain: 0 ≤ x ≤ 4
Range: 0 ≤ y ≤ 80
B)Domain: 0 < x < 80
Range: 0 < y < 4
C)Domain: 0 < x < 4
Range: 0 < y < 80
D)Domain: 0 ≤ x ≤ 80
Range: 0 ≤ y ≤ 4
Answer:
It´s A
Step-by-step explanation:
You can eliminate B and D because the ¨x¨ would be 4 not 80 because it´s on the x-axis not on the y-axis. Secondly whenever you have a graph you need to have the less than or equal to sign with the line under.
Hope this helps :)
The domain and range of the representative function should be option A. Domain: 0 ≤ x ≤ 4
Range: 0 ≤ y ≤ 80
What are domain and range?The domain of a function represent the set of values that should be permitted for putting into the function. In this set, the x values in the function like f(x). Here the range of the function represent the amount set where the function should be presumed.
Therefore, based on the given graph the correct option is A.
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Solve
13-4x -6
Thank you
Answer: 7-4x
Step-by-step explanation:
PLZZ HELP THIS DUE TODAY AND I STRESSING OUT PLEASE SOMEONE HELP PLZ DON'T SPAM PLZ THS DUE RIGHT NOW PLZZ!!!
1. What two directions could point B be located related to point A? Write two equations to represent the possible locations of point B or in other words, how did you travel to point B. Make a conclusion about the sums in relation to the integers in the equations on the next slide.
2. Explain How you could use absolute value to show that -4+3 and 3+(-4) have the same value. Which property of addition states that these sums are equivalent?
3. You know that the sum of -5 and another integer is a positive integer. What an you conclude about the sign of the other integer? What can you conclude about the value of the other integer?Explain.
4. Jim is standing beside a pool. He drips a weight from 4 feet above the surface of the water in the pool. The weight travels a total distance of 12 feet down before landing on the bottom of the pool. Explain how you can write a sum of integers to find the depth of water.
Answer:
1 im not 100% on this one but b could be a horizontal reflection or a vs vertical reflection
2 The absolute value of a number is its distance from zero on the number line. Therefore, -4+3 is 4+3, and the absolute value of 3+(-4) is also 4+3.
Step-by-step explanation:
2 The absolute value of a number is its distance from zero on the number line. Therefore, the absolute value of 3 is 3, and the absolute value of -3 is also 3. A positive number and its negative have the same absolute value. It is symbolized as |x|, and |-x| has the same value.
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Which best represents the square root of 361
Group of answer choices
-19 and 19
-18 and 18
1 and 361
4 and 64
PLZZ will give brainlist to the first
Answer:
Its a,c but they did it first
Step-by-step explanation:
Which of the following tables of values represent ordered pairs for the function f(x) = 2x – 1?
x 3 6 9 12
f(x) 6 12 18 24
x 2 4 6 8
f(x) 5 9 13 17
x 1 2 3 4
f(x) 1 3 13 17
x 0 4 8 12
f(x) -1 7 15 23
Which diagram best shows how fraction bars can be used to evaluate One-half divided by one-fourth? is it the first second third or fourth pic first gets brainlyest
Answer:
the first one
Step-by-step explanation:
it is the first one it's the only one that makes sense
-43+51 rlly need help
Answer:
8
Step-by-step explanation:
can i have branliest?
Answer:8
Step-by-step explanation:If there is a -43 you just minus and ignore the +