Answer:
Step-by-step explanation:
we fix tvs
20h+60
electronic depot
40h+0
a school has 60 girls and 90 boys. the ratio of girls to boys
Answer:
60:90
Step-by-step explanation:
The ratio of girls (G) to boys (B) is 2 : 3.
Let the girls be represented by G.Let the boys be represented by B.Given the following data:
Number of girls = 60 girlsNumber of girls = 90 boysIn this exercise, you're required to find the ratio of girls (G) to boys (B). In order to do this, we would divide the two values to the least.
[tex]G : B = 60 : 90[/tex]
Dividing both sides by 30, we have;
[tex]G : B = \frac{60}{30} : \frac{90}{30} \\\\G : B = 2 : 3[/tex]
Therefore, the ratio of girls (G) to boys (B) is 2 : 3.
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consider the following exam scores from a class of 8 students
55,65,77,79,84,89.91,99
What is the rank of the student that scored a 77 on the exam?
Answer:
rank 6
Step-by-step explanation:
Jennifer has 84.5 yards of fabric to make curtains for her new house. She made
identical curtains and has 19.7 yards of fabric left over.
How many yards of fabric does Jennifer use for each curtain?
Answer:
64.8
Step-by-step explanation:
84.5 - 19.7 = 64.8
Find the value of x.
Answer:
x = 14
Step-by-step explanation:
Hope that will help you
In a psychology class, 60 students have a mean score of 96.9 on a test. Then 19 more students take the test and their mean score is 71.3.
What is the mean score of all of these students together? Round to one decimal place.
Help please, and thank you! C:
Answer:83.3
Step-by-step explanation:
Help please first person to answer it right gets Brainliest
Answer:
its the first one
Step-by-step explanation:
plz i need help asappppppppp
i think the answer is -5???
Answer:
-10
Step-by-step explanation:
What is the z score associated with sleeping 503 minutes per night
Answer:
you need to mutiply zero meana503 neary by 500
Find the total cost of $16 IMax movie with you have a 15% student
discount. *
Answer:
$13.60
Step-by-step explanation:
16.00 x .85 = 13.60$
-- Gage Millar, Algebra 2 Tutor
Answer:
$18.40 is the final cost
Explanation:
Multiply 15% and 16 and add the product with 16.
Which Number has the highest value?
-25
16
-32
34
Answer:
34
Step-by-step explanation:
Answer:
34
Step-by-step explanation:
its the largest, positive number
solve for x 5x 2^3x = 21
Answer:
0.69
Step-by-step explanation:
someone please help me
Answer:
the answer is 35 mi
Step-by-step explanation:
28 squared = 784
21 squared = 441
784+441 = 1225
Square root of 1225 is 35
Carson = C
Hanford = H
Ridgewood = R
CR²=CH²+HR² <=>
<=> CR²=28²+21²=1225 <=> CR=√1225=35
pepe the pog pog pog pog pog
Answer:
c
Step-by-step explanation:
Answer:
B. 10
Step-by-step explanation:
4, 11, 6, 9, 23, 24, 6, 19
4, 6, 6, 9, 11, 19, 23, 24
9 + 11 = 20
20 ÷ 2 = 10
Is pop or country your favorite type of music?
Change This into a neutral question
Need help asap please
Answer:
58
Step-by-step explanation:
how to solve -x^2-2x+1
Answer:
Common factor
Factor by grouping
Factor by grouping
−
2
−
2
+
1
-x^{2}-2x+1
−x2−2x+1
−
1
(
2
+
2
−
1
)
{\color{#c92786}{-1(x^{2}+2x-1)}}
−1(x2+2x−1)
Solution−
-1(x²+ 2x-1 )
Find tano, where is the angle shown.
Give an exact value, not a decimal approximation.
17
ө
8
Answer:
Step-by-step explanation:
cos θ=8/17
sec θ=17/8
sec² θ-tan²θ=1
tan θ=√(sec²θ-1)=√((17/8)²-1)=√((289-64)/64)=√(225/64)=15/8
which expression is equal to 45 x 4-7: 4-2?
Answer:
12
Step-by-step explanation:
if x equals to 6 than
6+6=12
m and n are parallel lines cut by a transversal.
What is the value of x + y?
Answer:
180°
Step-by-step explanation:
It will be answer ...............
50 POINTS !!
PLEASE HELP
EXPLAIN HOW YOU GOT IT !!!!
ILL GIVE BRAINLIEST TO THE RIGHT ANSWERS.
Answer:
Step-by-step explanation:
Hope this helps u!!
HELP ME AND GIVE ME THE ANSWER I DONT NEED U TO EXPLAIN ANYTHING JUST HURRY UP
Answer:
x = 9.1
Step-by-step explanation:
a bag contains 48 balls
the ratio of red to blue balls is 3:5 find how many red and blue balls there are.
please help
Answer:
25 Balls
Step-by-step explanation:
20 men can complete a piece of work in 24 days how many men should be subtracted to finish the work in 32 days?
Answer:
5 men should be subtracted.
Step-by-step explanation:
This question is solved by proportions, using a rule of three.
As these measures(number of men needed and time) are inversely proportional, we multiply the lines instead of cross multiplication.
How many men should be working to complete the work in 32 days?
20 men - 24 days
x men - 32 days
Then
[tex]32x = 20*24[/tex]
[tex]x = \frac{20*24}{32}[/tex]
[tex]x = 15[/tex]
How many men should be subtracted?
There are 20 to complete in 24 days.
15 are needed to complete in 32 days.
20 - 15 = 5
5 men should be subtracted.
Which equation represents the relationship between X and Y shown in the table?
Answer:
y= 2x-3
Step-by-step explanation:
to find the slope you use rise over run to get 2. to check to see the correct equation replace x with any of the x values in the chart and if you get the same y values as the chart then your equation is correct.
HELPP IMA GIVE YOU 15 POINTS
For which data-generating process would a binomial distribution be an appropriate model?
A.flipping a coin to decide whether test subjects should use their left or right hand
B.randomly choosing a letter of the alphabet to pick the first names of test subjects
C.spinning a three-part spinner to decide whether each trial subject should be a child, an adult, or a senior
D.spinning a four-part spinner to decide whether survey customers should be from eastern, southern, midwestern, or western states
Answer:
A. flipping a coin to decide whether test subjects should use their left or right hand
Step-by-step explanation:
Since a coin has two outputs: heads or tails, it it has a binomial distribution
Some1 hurry need help
Answer:
Y=x/3 is the answer
Step-by-step explanation:
Hope this helps!!
Find the volume of the square pyramid shown (please help)
Answer:
Given:
b = 8 cm
h = 3 cm
Find : Volume
Formula: V = [tex]a^{2}[/tex]h/3
Solution: V = (8 cm)2 ( 3 cm)/ 3
V = (64 cm2)(3 cm)/3
V = 192 cm3/3
V = 64 cubic cm
In the figure below, EC || AB. Find the length of EC.
Select the best choice from the answers provided.
A.) 12.5
B.) 18
C.) 25
D.) 39.6
Answer:
Letter a)
Step-by-step explanation:
quizlet
The radius of a cylinder is 5 cm and the height is 7 cm.
Find the Lateral Area for the cylinder.
8011
A7011
12011
17511
Answer:
70 πStep-by-step explanation:
Lateral Area of a Cylinder is A = 2πrh
Substitue the values in the above equation to get:
A = 2(π) * 5 * 7
A = 70 π
Does the quadratic function
y = 3x2 + 7x - 8
have one, two or no real zeros?
Utilize the quadratic formula to
determine the answer.
[?] real zeros
Answer:
Two real roots
Step-by-step explanation:
The portion of the quadratic formula that determines the number of roots is
b² - 4ac
If it's positve there are two real roots
If it's zero there is one real root
If it's negative there are no real roots
------------------------------
b² - 4ac = 7² - 4(3)(-8)
b² - 4ac = 49 + 96
b² - 4ac = 145
Two real roots since 145 is positive
The quadratic equation has two real zeroes
What is quadratic equations?
The polynomial equations of degree two in one variable of type f(x) = ax2 + bx + c = 0 and with a, b, c, and R R and a 0 are known as quadratic equations. It is a quadratic equation in its general form, where "a" stands for the leading coefficient and "c" for the absolute term of f. (x). The roots of the quadratic equation are the values of x that fulfill the equation (, ).
It is a given that the quadratic equation has two roots. Roots might have either a real or imaginary nature.
What is quadratic formlua?
D=b²-4ac
x=(-b±√(b²-4ac))/2a
y = 3x² + 7x - 8
On comparing with ax²+bx+c, we get
a=3, b=7 and c=-8
Using Quadratic formula
D=b²-4ac
=7²+4x3x8
=49+96
=145>0
Hence it has real zeroes
Learn more about Quadratic equation,
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