Answer:
D)-25 and -3
Step-by-step explanation:
-25 × -3
25×3(minus,minus cut)
=75
Witch number is the product of 12.22 x 15.38
Answer:
187.9436
Step-by-step explanation:
Multiply
3. The light pole is 70 ft. tall and is 1100 ft. from the vanishing point. The fifth light pole is 7 ft. tall, how far from the vanishing point is the fifth light pole?
Answer:
110 ft
70/7=10
1100/10=110
Step-by-step explanation:
Figures that have the same size and same shape. Their corresponding angles and sides are the same size. whats the answer?
Answer:
prostokąt i kwadrat
Using the rules of exponents,how would you find the exponent when you simplify?
Answer:
I believe the answer is option B because I am right. Haha trust me.
Step-by-step explanation:
n+q= 8.80
.05n+.25q=68
Answer:
i do not know
Step-by-step explanation:
Kelly is recording the temperature of a cooling chemical. Using the table, determine the initial
temperature of the chemical when she poured into the beaker.
Answer:
Initial temperature of the chemical = 97°
Step-by-step explanation:
Time Temperature Difference
4 89.5 -
10 78.25 78.25 - 89.5 = -11.25
16 67.00 67 - 78.25 = -11.25
There is a common difference of -11.25 in each successive term.
Therefore, cooling of a chemical represents a linear function.
Let the function representing temperature is,
f(t) = at + b
Where 'a' = rate of change in temperature
b = initial temperature
t = time
Now 'a' = [tex]\frac{y_2-y_1}{x_2-x_1}[/tex] = [tex]\frac{78.25-89.5}{10-4}[/tex]
a = -1.875
f(t) = -1.875t + b
For t = 4 and f(t) = 89.50,
89.50 = -1.875(4) + b
b = 97
Therefore, function representing the cooling of chemical is,
f(t) = -1.875t + 97
And the initial temperature of the chemical was 97° when it was poured into the beaker.
Solve -5 x (- 5/2 ) x 4/15
25/4
10/3
20/4
15/2
Step-by-step explanation:
25/2*4/15
100/30
10/3
=0.3
helppp me plzzz on 3 through 10!!!!
Answer:
3. D
4. I
5. E
6. G
7. J
8. B
9. A
10. H
The sum of three consecutive integers is -90. What is the largest integer
Answer:
Step-by-step explanation:
The sum of three consecutive even integers is 108. What is the largest number? Explanation: Three consecutive even integers can be represented by x, x+2, x+4.
The table represents some points on the graph of a linear function. What function represents the same relationship?
Answer:
it is a
Step-by-step explanation:
i dont know how to explain it i just did the math and it came out to that
Answer:
its a
Step-by-step explanation:
i did the math
What is the value for x? 8x-13 and 5x+14
Answer:
9
Step-by-step explanation:
8x-13=5x+14
you subtract 5x from both sides and get
3x-13=14
then add 13 to both sides and get
3x=27
then divide 3 from both sides
3/3=x
27/3=9
x=9
Answer:
x = 9
Step-by-step explanation:
8x - 13 = 5x + 14 Subtract 5x from both sides of the equation 3x - 13 = 14 Add 13 to both sides of the equation 3x = 27 Divide by 3 for both sides of hte eqation x = 9
In a class of 40 students, 19 play tennis, 20 play netball and 8 play both of these sports. A student is randomly chosen from the class. Determine the probability that the student plays tennis.
Answer:
19/40 OR 0.475 OR 47.5%
Step-by-step explanation:
The probability of an event is calculated by dividing the total number of 'favorable outcomes' by the number of total outcomes. Here, the number of 'favorable outcomes' is the number of students who play tennis, so 19. The total number of outcomes is 40 as there are 40 students. Therefore the probability a student plays tennis is 19/40, or 0.475 or 47.5%.
Hope this helped!
A particular rocket taking off from earths surface uses fuel at a constant rate of 12.5 gallons per minute. The rocket initially contains 225 gallons of fuel
Answer:
Y=12.5x+225
Step-by-step explanation:
CHECK THE COMPLETE QUESTION BELOW;
A particular rocket taking off from the earth surface uses fuel at a constant rate of 12.5 gallons per minute the rocket initially contains 225 gallons of fuel determine a linear model and Y equals X plus B form for the amount of fuel Y as a function of the number of minutes x at the rocket has burned
We were told to determine a linear model, where Y equals X plus B form for the amount of fuel Y as a function of the number of minutes x at the rocket has burned.
If we interpret this we have, Y=X+B , this equation can be compared to the standard equation of slope intercept of
Y= mx+b
Where the m is the slope, and b is the initial value at "y" intercept.
From the question, we were told that Y denotes a function of the number of minutes x at the rocket has burned
The given slope from the question, which is the rate= 12.5 gallons per minute
The given initial value =225 gallons of fuel which the value of "b"
If we substitute into the equation of the slope, we have;Y=12.5x+225 which is the required linear model .
Combine these two statements and write them as a biconditional.
Answer:
Two angles have the same measure if and only if they are congruent
Step-by-step explanation:
"If and only if" is used for a biconditional.
Two angles have the same measure if and only if they are congruent.
Rewrite in simplest terms: (-8x – 9y) + (-X – 5y)
Answer:
-9x - 14y
Step-by-step explanation:
Step 1: Write expression
(-8x - 9y) + (-x - 5y)
Step 2: Combine like terms
-9x - 14y
What is the slope of the line that passes through the points (4, -9) and (-10, 18)?
How many points separated the gold medalist and the fifth place competitor? points.
Answer:
26.67
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
26.67
Im stuck please help ( use the PEMDAS)
Answer: 2. (4-2) x4 =8
3. (7-1) * 6 = 36
4. 4+ 3+ 4 = 11
5. (15 x2) * -3 = -90
6. 10 * (-3) x19 - 8 = -578
Hope that helps
Step-by-step explanation:
Please Excuse My Dear Aunt Sally
Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).
a) 3x = 18
b) 2x=9
c) x/5=7
d) x/2=6.5
Answer:
a) 3x=18
x=18/3
x=6
b) 2x=9
x=9/2
or 4.5
c) x/5=7
x=7×5
x=35
d) x/2=6.5
x=6.5×2
x=13
hope it will help you.......Answer:
a) x = 6b) x = 9/2c) x = 35d) x = 13Step-by-step explanation:
a) 3x = 18, value of x?
→ 3x = 18
→ x = 18/3
→ [ x = 6 ]
Thus, value of x is 6.
b) 2x = 9, value of x?
→ 2x = 9
→ [ x = 9/2 ]
Thus, value of x is 9/2.
c) x/5 = 7, value of x?
→ x/5 = 7
→ x = 7 × 5
→ [ x = 35 ]
Thus, value of x is 35.
d) x/2 = 6.5, value of x?
→ x/2 = 6.5
→ x = 6.5 × 2
→ [ x = 13 ]
Thus, value of x is 13.
Select all the situations that can be represented by 1/2⋅5. * 1 point Diego lives 5 miles from school, and Elena lives 1/2 as far away as Diego. How many miles does Elena live from school? Jada has 5 bottles that each contain 1/2 liter of water. How many liters of water is that in total? Noah has 5 meters of rope. How many pieces of rope of length 1/2 meter can he cut from it? Lin's goal is to run 5 miles. She ran 1/2 mile. What fraction of her goal is that?
Answer:
Elena lives 2.5 miles away from school.The total liters of water is 2.5 litersHe can cut 10 pieces of rope of length 1/2 meterThe fraction of her goal she ran is 1/10Step-by-step explanation:
From the question,
Diego lives 5 miles from school, and Elena lives 1/2 as far away as DiegoTherefore, Elena lives 1/2 of 5 miles away from school.
1/2 of 5 miles = 2.5 miles
Hence, Elena lives 2.5 miles away from school.
Jada has 5 bottles that each contain 1/2 liter of water.Since each bottle contain 1/2 liter of water, then
The total liters of water is (1/2 × 5) liters
1/2 × 5 = 2.5 liters
Hence, the total liters of water is 2.5 liters
Noah has 5 meters of ropeTo determine how many pieces of rope of length 1/2 meter he can cut,
Number of pieces of rope of length 1/2 meter that can be cut is 5 meter ÷ 1/2 meter
5 meter ÷ 1/2 meter = 10
Hence, he can cut 10 pieces of rope of length 1/2 meter.
Lin's goal is to run 5 miles. She ran 1/2 mile.To determine what fraction of her goal that is,
First, she ran 1/2 mile out of 5 miles.
The fraction of her goal she ran is 1/2 mile ÷ 5 miles
1/2 mile ÷ 5 miles = 1/10
Hence, the fraction of her goal she ran is 1/10.
Answer:
i need points :)
Step-by-step explanation:
What is the answer to this question because I don’t know?
Answer:
B.
Step-by-step explanation:
To use the vertical line test, take a ruler or other straight edge and draw a line parallel to the y-axis for any chosen value of x. If the vertical line you drew intersects the graph more than once for any value of x then the graph is not the graph of a function.
WILL MARK AS BRAINLIEST HELP** NOTE : ANSWER IN FRACTION PLS
5(x + 4) + 21 ≥ −3 + 4(x − 8)
−5x − 20 + 21 ≥ −3 + 4x − 32
−5x + 1 ≥ 4x − 35
−9x ≥ −36
x ≥ 4
What mistake did Eduardo make in solving the inequality?
The length, l , of a rectangle is 5 times its width. The perimeter of the rectangle is 96 centimeters.
Which equation can be used to correctly calculate the length of the rectangle?
Solve for y.
Reduce any fractions to lowest terms. Don't round your answer, and don't use mixed fractions.
5y +3> -7y + 13
Answer: Y>5/6
Step-by-step explanation: I had this on khan Academy and got this right
The solution to the inequality 5y + 3 > -7y + 13 is y > 5/6.
What is the solution to the inequality?Given the inequality in the question:
5y + 3 > -7y + 13
To solve the inequality 5y + 3 > -7y + 13, combine like terms on both sides and isolate the variable term:
5y + 3 > -7y + 13
Add 7y to both sides of the inequality:
5y + 7y + 3 > -7y + 7y + 13
5y + 7y + 3 > 13
12y + 3 > 13
Next, subtract 3 from both sides of the inequality:
12y + 3 - 3 > 13 - 3
12y > 10
Isolate variable y by dividing both sides by 12:
y > 10/12
Simplifying, we get:
y > 5/6
Therefore, the solution is y > 5/6.
Learn more about inequality here: https://brainly.com/question/15137133
#SPJ2
Find the solution: -9(2x - 1) = 45
x = -4
x =23/-9
x = -2
x = 3
7th grade! Math commissions
Answer:
Trevor, Julio, Chantal, Vern, Danica, Andre, August, Maximus
Step-by-step explanation:
$964
$1,010
$1,165
$1,286
$1,425
$1,430
$1,530
$1,575
Answer:
$964
$1,010
$1,165
$1,286
$1,425
$1,430
$1,530
$1,575
Step-by-step explanation:
Will mark the BRAINLEST!!! 50 points!! If you know any of the answers please help!?!
1.) Bicycles have three types of tires: mountain bike, road touring, and cruising. An experiment is to be conducted to determine whether the mileage before a tire change is needed is the same for all three types of tires. In previous studies, it was determined that bicycle weight (light, normal, heavy) is associated with frequency of tire changes, but bike type (mountain, road, cruising) is not associated with frequency of tire change. How would blocking best be used?
a. By blocking on bicycle type
b. By blocking on mileage
c. Blocking is not suggested.
d. By blocking on tire type
e. By blocking on bicycle weight
2.) From 2010 to 2015, a group of researchers conducted an experiment using two types of pain medication: pill A and pill B. The researchers gave the doctors the pills in unidentified packages so they would not know which package was pill A and which package was pill B. The patients participating did not know which pill they received either. What is this an example of?
a. The effect of a treatment unit
b. The placebo effect
c. A control group study
d. A double-blind study
e. Voluntary response bias
3.) Cocoa plant type 1 yielded 155 bushels per acre last year at a research farm. This year, cocoa plant type 2, planted in the same location, yielded only 123 bushels per acre and there was a major freeze. The researchers do not know whether the difference is the result of the superiority of type 1 or the freeze. What is this an example of?
a. Bias
b. Confounding variable
c. Matched-pairs design
d. The placebo effect
e. Replication
4.) A cell phone company is trying to find a waterproof cell phone case to add to its product line. Company managers know that plastic and silicone will be used. They also know that the depth of the water—less than five feet, between five feet and 20 feet, and more than 20 feet—affects the waterproof case. An experiment will compare all combinations of these choices. The cell phones will be subjected to each treatment, with one group dropped in water without a case, and all phones will be scored for quality. What is the control?
a. Cell phones in the plastic case
b. Cell phones in the silicone case
c. Cell phones in the plastic case dropped in water less than five feet deep
d. Cell phones in the silicone case dropped in water more than 20 feet deep
e. Cell phones with no case
5.) Do children prefer purple juice or yellow juice? Two different supplements, which have no effect on taste, are used on identical juice to produce purple juice or yellow juice. Volunteer children are randomly assigned to either purple juice or yellow juice, and they are asked to rate the juice on a scale from 1 point to 10 points. Is blinding demonstrated in the experiment?
a. No, because the volunteers do not know the color juice they are getting
b. Yes, by having the experimenter in a separate room pick one of the two containers at random and having a juice pulled from that container remotely
c. Yes, by having the statistician analyzing the results not know which volunteer sampled which juice
d. Yes, by having the volunteers wear a blindfold while drinking the juice out of the container, so that they don't know the color juice they are tasting
e. No, because the volunteers know whether they are drinking purple juice or yellow juice
Answer:
1. E
2. A
3. B
4. C
5. E
Step-by-step explanation:
What property was used on 14k + 2(3k + 5) − 5 = 10 to obtain
14k + 6k + 10 − 5 = 10?
Answer: Distributive property.
Step-by-step explanation:
Answer:
Distributive property.
In this case, 2 is being distributed to 3k and 5 to get 6k and 10.
(4 x 6) +9. pls help me
Step-by-step explanation:
[tex](4 \times 6) + 9[/tex]
Follow PEMDAS
[tex]24 + 9 \\ = 33[/tex]
Answer:
33
Step-by-step explanation:
[tex](4x6)+9?[/tex]
Ill take it as
[tex](4*6)+9[/tex]
[tex]4*6=24\\24+9=33[/tex]