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what is 23d=109
pls answer
23d = 109
d = 109 ÷ 23
d = 109/23
Find measure of the arc EF
Answer:
[tex] m\widehat {EF} = 146\degree [/tex]
Step-by-step explanation:
Measure of an arc is equal to the measure of its corresponding central angle.
Here, measure of the corresponding central angle of the arc EF is 146°
Therefore,
[tex]m\widehat {EF} = 146\degree [/tex]
Which of the fractions shown has the greatest value p
Solve this equation:
5x^4+ 50x^2 +80=0
Answer:
x =√-1.403 = 0.0 - 1.18454 i
x =√-1.403 = 0.0 + 1.18454 i
x =√11.403 = -3.37685
x =√11.403 = 3.37685
Step-by-step explanation: i think either one of these could work
hope i could help :)
Determine the value of y, if x is –10.
y = |x| – 11
Answer:
y = -1
Step-by-step explanation:
The two lines around x is the absolute value symbol. Absolute value is how far away a number is from 0 on a number line. -10 is 10 points away from 0, so it is now 10.
y = 10 - 11
y = -1
I need some help asap pls and ty!!
Answer:
Help with PROBLEM 3 asap, pls n ty!! for full credit, need calculations, units, results and assumptions
Problem 2 Unsteady state conduction A carbon steel (10 %) panel of a firewall is 5-cm thick and is initially at 25 C. The ext
72% of 25 students are good in hindi, how many are not good in hindi?
Answer:
Really,
18 students and that is because
72/100 * 25
=> 72/4 = 18
A jacket at a clothing store is being discounted by 10%. If the jacket was originally priced at x dollars, which of the following expressions does NOT represent the final price of the jacket before sales tax is added?
A.
x – 1.10x
B.
0.90x
C.
x – 0.10x
D.
x(1 – 0.10)
Answer:
Step-by-step explanation:
d
High school text books don't last forever. The lifespan of all high school statistics textbooks is approximately
normally distributed with a mean of 9 years and a standard deviation of 2.5 years. What percentage of the
books last more than 10 years?
34.5%
84.5%
O O O O O
65.5%
11.5%
69%
Answer:
34.5%
Step-by-step explanation:
When the distribution is normal, we use the z-score formula.
In a set with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the zscore of a measure X is given by:
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.
In this question, we have that:
[tex]\mu = 9, \sigma = 2.5[/tex]
What percentage of the books last more than 10 years?
As a proportion, this is 1 subtracted by the pvalue of Z when X = 10. So
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
[tex]Z = \frac{10 - 9}{2.5}[/tex]
[tex]Z = 0.4[/tex]
[tex]Z = 0.4[/tex] has a pvalue of 0.655
1 - 0.655 = 0.345
So
34.5% of the books last more than 10 years.
How many centimeters are 4.7 meters
Answer:
470 cm
Step-by-step explanation:
4.7 x 100 = 470
BD is the angle bisector of ZABC.
If m ABD=25° find m/DBC.
A:50°
B:25°
C:750
D:100°
Answer:
B:25°
Step-by-step explanation:
Now [tex]\angle ABC[/tex] gets bisected by [tex]BD[/tex].
[tex]\angle ABD=25^{\circ}[/tex]
Since, the angle is bisected, this means that the angle is split into two equal parts or the angle is halved.
We know that one of the angles is [tex]25^{\circ}[/tex] so the other angle has to be [tex]25^{\circ}[/tex] also.
Hence, the [tex]m\angle DBC=25^{\circ}[/tex].
A recipe for ten flapjacks needs 20g butter, 30g
sugar and 50g rolled oats. How many flapjacks can
I make if I have 140g butter, 150g sugar and 200g
rolled oats?
Answer:
49
Step-by-step explanation:
For 10 flapjacks we need a total of 100g of ingredients
therefore, we need to get how many gram for 1 flapjacks
that is, for butter 20÷10=2
for sugar 30÷10=3
for rolled oats 50÷10=5
that's a total of 10.
this means it takes 10g of ingredients to make 1 flapjacks
then 140+150+200=490
490÷10=49
The final answer is 49 flapjacks can be made from the above ingredients
A flower arrangement has seven carnations and 21 daffodils. What is the simplified ratio of carnations to daffodils in the arrangement?
Answer:
1 : 3
Step-by-step explanation:
Given :
Number of Carnation = 7
Number of Daffodils = 21
The number of carnation to daffodilswxoreaaed as a simplified ratio ;
Number of carnations : Number of Daffodils
7 : 21
7 / 21
1 / 3
the sum of two numbers is 20 and their difference is 6. what are the two numbers?
Answer:
13 and 7
Step-by-step explanation:
13 - 7 = 6
13 + 7 = 20
hope this helps...
From 180 books to 150 books
What's the rest?You only said, From 180 books to 150 books sooo you gotta put the rest or nobody will answer it.
Determine which steps are used to find the product shown. Put the steps in the order in which they would be performed
+75 + 10 + 3x + 2
2 + 15 + + 7 + 8 + 5
(3 + b) (+ 2)
(+ + 2) (+ + 5)
(6 + 2)(+ + 5) (+ 1)(5 + 2)
(5 + 2)(8 + 2) (5 + 5)( + 1)
(3 + 5)(+2)
(3 + 25 + 5)
I + 2
( + 7)(5 + 1)
(5 + 4)( + 2)
(+ + b)( + 2)
(5 + 5)
($ + 7)(8 + 1) ( + 3)( + 1)
(1 + 4)(8 + 1)(8 + 3+ 2)
Answer:
1
Step-by-step explanation:
The algebraic expression is
(x²+ 7x+10/ x²+ 4x+4 ) (x²+ 3x+2/x²+ 6x+5)
The options are Arrangement
a.(x+5/x+2) * ( x+2/x+5) Number 2
b.(x+7/x+4) ( x+1/x+2)
c. 1 Number 4
d. (x+5) ( x+2) /(x+5)
e. (x+7) (x+1)/(x+4) ( x+1) * (x+3) (x+1)/(x+3) (x+2)
f. (x+2) (x+5)/(x+2) ( x+2) * (x+1) (x+2)/(x+5) ( x+1) Number 1
g. x+2
h.(x+5/x+2) ( x+2/x+5) Number 3
Answer
Factorizing the expressions (x²+ 7x+10/ x²+ 4x+4 ) (x²+ 3x+2/x²+ 6x+5)
=(x²+ 5x+2x+ 10/ x²+ 2x+2x+4 ) (x²+ 2x+x+ 2/x²+ 5x+x+5)
Taking common
=[x(x+5) +2(x+5)/ x(x+2) +2(x+2) ] [ x(x+2) +1(x+2)/ x((x+5) +1(x+5)]
Putting commons together
=[(x+2) (x+5)/ (x+2) (x+2)] [ (x+2)(x+1)/ (x+1) (x+5)]
Cancelling
= [ (x+5)/ (x+2)]* [ (x+2)/ (x+5)]
=[ (x+5)/ (x+2)] [ (x+2)/ (x+5)]
Again Cancelling
=1
The above question is solved in 4 steps :
Step 1
(x+2) (x+5)/(x+2) ( x+2) * (x+1) (x+2)/(x+5) ( x+1)
Step 2
(x+5/x+2) * ( x+2/x+5)
Step 3
(x+5/x+2) ( x+2/x+5)
Step 4
1 which is the answer .
The steps
(x+7) (x+1)/(x+4) ( x+1) * (x+3) (x+1)/(x+3) (x+2) ,
(x+5) ( x+2) /(x+5),
(x+7/x+4) ( x+1/x+2) and (x+2) are not related to this question.
A weather station on the top of a mountain reports that the temperature is currently 0°C and has been folling at a constant rate of 3°C per hour. Find each temperature. Explain or show your reasoning.
Answer:
Step-by-step explanation:
This question is incomplete; here is the complete question.
A weather station on the top of a mountain reports that the temperature is currently 0°C and has been falling at a constant rate of 3°C per hour. Find each temperature. Explain or show your reasoning.
If it continues to fall at this rate, what will the temperature be:
In 2 hours ............. In 5 hours .............. In half an hour......................
If the current temperature of the mountain is b°C and it is falling at a constant rate of 3°C per hour.
Then after 'x' hours, temperature on the top of the mountain will be represented by the function,
T(x) = 0 - 3x
Therefore, temperature after 2 hours = -3(2) = -6°C
Temperature after 5 hours = -3(5) = -15°C
Temperature after half an hour = [tex]-3(\frac{1}{2})[/tex]
= -1.5°C
Pls help I’ll brainlest
Answer:
$5.95
Step-by-step explanation:
15% of 7 is 1.05, 7-1.05=5.95.
the odds in favor of frank winning a hot dog eating contest are 4:9. the probability that frank win and the probability that frank lose?
Answer: Frank has a 4 out 15 chance of winning and 9 out 15 chance of losing
Step-by-step explanation:
Solve this math problem 1/6 x 58
Answer:
29/3
Step-by-step explanation:
Multiply and simplify
58/6=29/3
Answer:
29x/3
Step-by-step explanation:
i used math website trust me its right
At the Old Fort Boise Days Car Show there were 15 Pontiacs, 18 Chevrolets, 12 Fords ,and 5 Ramblers. What is the ratio of the Fords and Pontiacs to the Chevrolets and Ramblers?
a.
50/27
c.
27/50
b.
23/27
d.
27/23
Answer:
27/23
Step-by-step explanation:
which ratio does not belong with 2/6
a) 1/3 b) 3/9 c)6/15 d) 12/36
Answer:
C)6/15
Step-by-step explanation:
it reduces to 2/5 no 1/3
12/36 --> 1/3
Find the missing value of: What is 13% of 100?
Answer:
0.13
Step-by-step explanation:
Answer:
13
Step-by-step explanation:
A cell phone company recently noticed a 26% sales decrease in the month of July compared to June. Let n represent June’s sales. If y represents July’s sales, which equation can be used to determine the sales in July?
Answer:
y=n-0.26n
Step-by-step explanation:
July (y) = June (n) - 0.26(June)
SOLVE FOR Y, WILL GIVE BRAINLIEST
Answer:
Step-by-step explanation:
1. As you can see in the picture, x is 116 degrees, because that angle and the angle labeled 116 degrees are corresponding, meaning that their angles are the same.
2. As you can also see in the picture, y+11+x = 180 deg, because they are two angles that make a straight angle. We know that x is 116 deg, so we can solve y with an equation:
y + 11 + 116 = 180
y + 127 = 180
y = 180 - 127
y = 53 degrees.
Hope this helped! Don't forget to mark it Brainliest!
What is the distance between A and B?
The formula in finding the distance between two points is given below:
[tex] \boxed{\bold{\:\:d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2} \:\:}}[/tex]Now, you know the distance formula. So, let us try solving the given problem using the distance formula.
Problem: What is the distance between A(-3, -4) and B(4, 5)?
From inspection on the given problem:
[tex]\sf (x_1, y_1) = (-3, -4)[/tex][tex]\sf (x_2, y_2) = (4, 5)[/tex]Substitute the given values into the distance formula and solve for AB:
[tex]\sf AB = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}[/tex][tex]\sf AB = \sqrt{[4 - (-3)]^2 + [5 - (-4)]^2}[/tex][tex]\sf AB = \sqrt{(7)^2 + (9)^2}[/tex][tex]\sf AB = \sqrt{49 + 81}[/tex][tex]\bold{AB = \sqrt{130} \approx 11.4 \: units}[/tex]Therefore, the distance between two points is [tex]\sqrt{130}[/tex] or 11.4 units.
[tex]\\[/tex]
Now, wasn't that easy? Try this sample problem:
Find the distance between P(1, 3) and Q(7, 11).From the sample problem above, you may solve it on your own to enhance your skill on calculating the distance.
For more information about the Distance Formula, just visit this link: https://brainly.com/question/18156437
4/1=8/2,so 8 cups = quarts
Answer:
8 cups eqaul 2 quarts
Step-by-step explanation:
solve for k 6=2-k for math :) i needa hurry and get it done
Answer:
-4 is the correct ans
hope it helps
Step-by-step explanation:
[tex] \tt{6 = 2 - k}[/tex]
~Swap the sides of the equation
⟶ [tex] \tt{2 - k = 6}[/tex]
~Transpose 2 to right hand side and change it's sign
⟶ [tex] \sf{ - k = 6 - 2}[/tex]
~Subtract 2 from 6
⟶ [tex] \tt{ - k = 4} [/tex]
~Divide both sides of the equation by -1
⟶ [tex] \tt{ \frac{ - k}{ - 1} = \frac{4}{ - 1}} [/tex]
⟶ [tex] \tt{k = - 4}[/tex]
[tex] \pink{ \boxed{ \boxed{ \tt{Our \: final \: answer : \boxed{ \underline{ \tt{k = - 4}}}}}}}[/tex]
Hope I helped ! ♡
Have a wonderful day / night ! ツ
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Wich exprecion shows 7+21 written as a product of two factors
Answer:
7(1+3)
Step-by-step explanation:
You roll a number cube twice. Find the probability of the events. Rolling an odd number 2 or a 4.
Answer:
5/12
Step-by-step explanation:
If you roll it twice there are 12 options. The odd numbers are 1, 3, and 5. Add 2 and 4, and that's a 5/12 chance.