Answer: 13a. False
13b. True
13c. True
13d. True
Step-by-step explanation:
Solve the inequality for x= 1 + 2x > -23
Answer:
x = -12
Step-by-step explanation:
1 + 2x > -23
-1
2x > -24
x < -12
The scores on a 100 point exam are normally distributed with a mean of 80 and a standard deviation of 6. A student's score places him between the 69th and 70th percentile. Which of the following best represents his score?
Answer:
85-89
Step-by-step explanation:
Joe ran 1 1/4 laps in 2 minutes. How many laps did Joe run on average per minute?
Answer
2.5/4
Step-by-step explanation:
If you do 1 1/4 divided by 2 that would equal 2.5/4 I hope that helps!
The circumference of the smaller circle is 20% of the circumference of the larger circle. Find the circumference of the larger circle. Round your answer to the nearest tenth.
Answer:
92.5
Step-by-step explanation:
The recipe calls for 2 2/4 but jams only have 1/4 how many cups do jams need to measure out 2 2/4 cups of raisins
Answer:
brainliest
Step-by-step explanation:
she needs altogether 2 2/4.
that is 2 wholes and 2/4 fraction.
if we consider using 1/4 cup, 1 whole is made of four quarter cups.
Therefore 2 wholes require eight quarter cups. then theres a remaining fraction of 2/4 which is equivalent to two quarter cups.
1/4 + 1/4 = 2/4. therefore altogether 8 + 2 = 10 of the 1/4 cups are required for the recipe.
10 of 1/4 cups are needed
Tom is 10 years younger than Becky. In two years, Becky will be twice as old as Tom. How old is Tom now?
Answer:
20
Step-by-step explanation:
Answer:
tom is 8 and becky is 18 now
Step-by-step explanation:
in two years becky would be 20 and tom will be 10
hope this helps
find the value of x
Answer:20
Step-by-step explanation:
the other side is a mirror it would be 20 as well
Corey records the temperature in degrees Celsius each morning. At 8am the temperature was 3 degrees below zero. It rose 3 degrees by 10am. Which equation shows the change in temperature from 8am to 10am?
A 3+3=6
B-3+3=0
C-3+3= -6
D-3-3= -6
Please help!! Only correct answers please! (Easy?)
Answer:
sorry no can't do i have cancer
Step-by-step explanation:
Please help asap pls only 1 question I need to finish pls this is middle school homework
Answer:
a,d,b,c
Step-by-step explanation:
Identify the range of the function shown in the graph.
Answer:
the range of the function is option A.
The ratio of two numbers is 7 to 5. The sum of the numbers is 36. What are the numbers?
A. 26 and 10
B. 18 and 8
C. 21 and 15
D. 14 and 10
Answer:
Step-by-step explanation:
a/b=7/5
a=7b/5
a+b=36, using 7b/5 for a we have
7b/5+b=36
7b/5+5b/5=36
12b/5=36
12b=180
b=15, and since a=7b/5
a=7(15)/5
a=21
So the numbers are 21 and 15
Answer:
C is the correct answer please like for more
What is four plus eight
Answer:
12
Step-by-step explanation:
Answer:
12
Step-by-step explanation:
you take the number 8 and then you add 4. and you find yourself with the answer 12
A spotlight has a beam that travels 93 feet and covers an area intercepted by an 76 degrees angle, as shown below
Answer:7330 feet squared
Step-by-step explanation:
I think its right
A line that includes the point (7, 3) has a slope of -6. What is it equation in point-slope form?
Answer:
Y-3=-6(x-7)
Step-by-step explanation:
Y-y1=M(x-x1)
Y-3=-6(x-7)
Y-3=6x-42
Add 3 to both sides
Y=6x-39
Welp, I gave you slope intercept form and point slope form.
Prove that the following triangles are similar?
Answer:
You have that:
angle N = angle Z
and
angle ZYX = angle NYM (because they are vertical angles
Since you have two congruent angles, you can say that the two triangles are similar according to the AA Triangle Similarity Postulate.
PLEASEEEEEEEEE HELPPPPPPPPPP!!! I WILL MARK BRAINLIEST!!!
How can I determine the line of best fit, and how will this help me to make predictions?
Answer:
Calculate the mean of the x -values and the mean of the y -values. ...
The following formula gives the slope of the line of best fit: m = ∑ i = 1 n ( x i − X ¯) ( y i ...
Compute the y -intercept of the line by using the formula: b = Y ¯ − m X ¯
Use the slope m and the y -intercept b to form the equation of the line.
help!!!!!!!!!!!!!!!!
A plane flew a total of 1920 miles at the average rate of speed of 320 mph. How long did it take the plane to cover this distance?
Use the formula: D = r • t
Answer:
t = 6 hours
Step-by-step explanation:
D = r x t
1920 = 320t
divide both sides by 320:
t = 6 hours
Find the equation of the locus of a point, the sum of whose nisu
Find the equation of the locus of P, if A=(2, 3), B = (2, -3) and PA + PB = 8,
Answer: B or C sorry if its wrong and sorry if i got u wrong
Step-by-step explanation:
have a nice day
The probability that John will drive to school is 0.36 , the probability that he will ride with friends is 0.11 , and the probability that his parents will take him is 0.53 . He is not allowed to have passengers in the car when he is driving. What is the probability that John will have company on the way to school?
Answer:
0.64 = 64% probability that John will have company on the way to school
Step-by-step explanation:
John will have company when:
He rides with his friends(0.11 probability).
His parents take him(0.53 probability).
What is the probability that John will have company on the way to school?
0.11 + 0.53 = 0.64
0.64 = 64% probability that John will have company on the way to school
Please hurry
Which table contains data with a nonproportional relationship?
Do you guys see 4 picture?
Answer: x
Step-by-step explanation:
Give me the answer please
Evaluate the expression.
3×2⁴
Using the expression you found in part a, how many minutes will it take to make and pack an order for 15 parts?
Answer:
It will take 40 minutes to make and pack an order for 15 parts.
Step-by-step explanation:
That's the answer.
Answer:
It will take 40 minutes to make and pack an order for 15 parts.
Step-by-step explanation:
[tex]1/5(6+3+1)^{2}[/tex]
A student has earned a 98%, 97%, 83% 94%, and 90% on her unit tests.
What is the student's mean unit test score?
Enter your answer in the box.
mean =
%
Answer:
Mean = 92.4%
Step-by-step explanation:
You add all of the percentages and divide by how many percentages are there, like, 98 + 97 + 83 + 94 + 90 = 462, since there are 5 percentages, divided it by 5 which gives you 92.4%!
The ratio of cats to dogs is 5:4 in Riverside. If there are 20 dogs, how many cats live in Riverside?
Select one:
25
20
30
16
Answer:
25
Step-by-step explanation:
c to d is 5 to 4
5x5=25
fffff
Answer:
25
Step-by-step explanation:
We need to divide 20 by 4 to see how much 1 equals in this problem.
20÷4=5
5 equals 1
Now we add 5 to 20 because the ratio is 5:4.
20+5=25
Our answer is 25.
determine the solutions to the following systems of linear equations
Answer: 5: (-2, -1) 6: (0,2)
Step-by-step explanation:
ANSWER AND EXPLAIN PLEASE ILL MARK BRAINLIEST!!!!!!!!!!!
Answer:
x = 1 and y = -2
Step-by-step explanation:
Given that,
2x-3y = 8 ..(1)
4x+3y = -2 ..(2)
Add equation (1) and (2),
2x-3y+4x+3y = 8+(-2)
6x = 6
x = 1
Put the value of x in equation (1).
2-3y = 8
2-8 = 3y
-6 = 3y
y = -2
Hence, the value of x is 1 and that of y is -2.