Answer:
A
Step-by-step explanation:
conjugate means we flip the sign between the two terms.
the two terms here are 5 and √(x+4), with a minus sign in between. we flip the minus sign to a plus sign to find the conjugate.
A fits this
3. Which situation could be solved using the equation -4 + 4 =0?
a) Teanni has $4 in her lunch account. She deposits $4 in her account when she gets to school.
b) Amanda recorded a temperature of -4°F at 8:00am. An hour later, the temperature
increased by 4°F.
c) Melany walks 4 blocks towards her home and stops at the store. She walks the remaining 4
blocks home.
d) Joshua places 4 counters, each representing -1, in a group. He creates a total of 4 identical
groups.
Answer:
b because -4°F plus 4°F would be 0°F
Consider all seven-digit numbers that can be created from the digits 0-9 where the first and last digits must be even and no digit can repeat. Assume that numbers can start with 0. What is the probability of choosing a random number that starts with 4 from this group
Answer:
[tex]P_4= 0.2[/tex]
Step-by-step explanation:
From the question we are told that
Consider all seven-digit numbers
Created from the digits 0-9
Generally number of digits that starts with 6 is mathematically given as
The total amount of digits from 0-9(0,1,2,3,4,5,6,7,8,9 = 10
The total amount of even digits within 0-9 (0,2,4,6,8) = 5
The total amount of 3-digit numbers giving the first and last digits to be even = 5 * 10 * 5 = 250
The total 3-digit numbers giving the first digit is 4 and last digit is even = 1 * 10 * 5 = 50
Probability the number starts with 4
[tex]P_4 = \frac{50}{250}[/tex]
[tex]P_4= 0.2[/tex]
Sally made 17 bundles of 10 straws. How many straws did she made in all?
Answer:
170 straws
Step-by-step explanation:
10x17 is 170, so she made 170 straws
Answer:
The answer is 70 because 17x10=170
You and your friend are playing a game with the spinner below. The first player spins. Then the second player spins. The second player wins if he or she lands on the same number as the first player does, If not, the first player wins. What is the probability that the second player will win?
Answer:
2
Step-by-step explanation:
2
Can someone please help me with this question?
Answer:
anime girl
Step-by-step explanation:
anime girl
9cm: to 12cm ratiosss can u guys helpp meeee
Answer:
I think 3 upon 4/ 3 by 4 is right answer
Approximately 4 out of 5 students in Mrs.
Haynes 7th grade math class have cell
phones. If there are 365 students in the 7th
grade, how many would you expect to have
a cell phone?
Answer:
292
Step-by-step explanation:
take 365x 4/5=292.........
The number of students having a cell phone if Approximately 4 out of 5 students in Mrs. Haynes 7th grade math class have cell phones, and there are 365 students in the 7th, is 292.
What is multiplication?The fundamental concept of making the same number of additions repeatedly is represented by the action of multiplication.
The results of multiplying two or more integers are known as the products, and the factors that are used in the multiplication are referred to as the factors.
Given:
Approximately 4 out of 5 students in Mrs. Haynes 7th grade math class have cell phones, and there are 365 students in the 7th,
Calculate the number of students having a cell phone as shown below,
The number of students having a cell phone = 4 / 5 of 365
The number of students having a cell phone = 4 / 5 × 365
The number of students having a cell phone = 4 × 73
The number of students having a cell phone = 292
Thus, The number of students having a cell phone is 292.
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whats the value of v 69 = 7v – 6
Answer:
75/7
Step-by-step explanation:
69=7v-6 rewrite as 69+6=7v
75 = 7v
75/7 = v
Martin's car had 86,456 miles on it. Of that distance, Martin's wife drove 24,901 miles,
and his son drove 7,997 miles. Martin drove the rest. How many miles did Martin drive?
Show work.
Answer:
Martin drove 53,558 miles.
Step-by-step explanation:
If you add up the amount of miles his son and wife drove, you get 32,898. To get the answer, you would subtract that from the total number of miles to get 53,558.
What is the slope of a line parallel to the line 2x + 3y = 5?
i think its 2/3 but im not sure .
Answer:
D
Step-by-step explanation:
Parallel lines have same slope
Write the equation in slope - intercept form
2x + 3y =5
3y = -2x + 5
Divide the equation by 3
[tex]y = \frac{-2}{3}x +\frac{5}{3}[/tex]
So, slope = (-2/3)
A student takes 25 minutes to solve 10 math problems in class if the student solve similar problems at the same rate how many minutes will it take the student to solve 12 math problems
Answer:
The answer would be 30 minutes
Step-by-step explanation:
Find how many ties 12 can go into 10. (Divide 12 divided by 10=1.2)
Multiply 25 times 1.2 (30)
Your answer would be 30 minutes
Hope I helped!! :)
Sorry if it's wrong! :(
Pls mark brainliest!!!
The following graph shows a proportional relationship.What is the constant of proportionality between y and x in the graph?
Constant Of Proportionality = ________
Answer:
Step-by-step explanation:
y=kx
(5,1)
1=k*5
1/5=k*5/5
1/5=k
The constant of proportionality between y and x in this graph is
1/5
What should be done to sove the equation?
X-17=11
Add 17 to both sides.
Add17 to the left side and subtract 11 from the right side.
Add 17 to the left side and subtract 17 from the right side.
Add 11 to both sides.
please answer correctly no trolls!
Answer:
Yes
Step-by-step explanation:
16.5-15.<3.8
In a batch of lightbulbs, 30% are tinted, if 45 lightbulbs are tinted, how many lightbulbs are in the batch?
Step-by-step explanation:
30% of lightbulbs = 45 lightbulbs
100% of lightbulbs
= 45 * (100/30) = 150 lightbulbs.
Hence there are 150 lightbulbs in the batch.
PLEASE NEED HELP ASAP TYTY I WILL BE GIVING THANKS!
Answer:
B. 112°
Step-by-step explanation:
4x -4 = (3x+4) + (2x-44)
4x -4 = 5x - 40
5x - 4x = -4 + 40
x = 36
∠BCA = 3 * 36 + 4 = 112
Pls help urgently extra points and mark brainlist
Answer:
2
Step-by-step explanation:
2 x 2 = 4
4x2 is 8
8x2 = 16
16x2= 32
And then 32 x 2 = 64
Answer:
2
Step-by-step explanation:
multiply down
STOP RIGHT THERE. Please help me.
Answer:
the answer is B
Step-by-step explanation:
Well we can get rid of A and D because we're not adding money, we're subtracting (thats what a sale is)
So we're left with B and C.
To find what 17% of 3 is, we multiply 3 x 0.17, which totals to 0.51. It can't be C because you find 51% of 3 which is not what we're looking for, so it is B.
HELP!!! Pleaseeeeeeeeeeeeee
9514 1404 393
Answer:
(b) g(x) = -f(x+3)
Step-by-step explanation:
The dashed-line graph is a reflection over the x-axis and a left-shift by 3 of the solid-line graph. To reflect the function over the x-axis, negate it.
f(x) ⇒ -f(x) . . . . reflected over the x-axis
To translate a function to the right horizontally by "h" units, replace x in the function with (x-h). Here, we want a left shift, so h=-3. That is, x is replaced by (x+3).
Both transformations together give you ...
g(x) = -f(x+3)
Jonah teachers pet training classes at the happy tails doggie daycare yesterday he talk to tricks to a group of dogs during a 30 minute class Jonah decided to create a longer class lasting 75 minutes if he teaches tricks at the same rate how many tricks with Jonah teach during the 75 minute class
Answer:
5
Step-by-step explanation:
he teaches 1 trick every 15 minutes 75 divided by 15 gives you 5 so Jonah can teach 5 tricks in a 75 minute class
Answer:
5
Step-by-step explanation:
bjhugvcyfxtdrzstxycfugiholiugkyftdrsetdfyugi
PLEASE HELP WILL MARK BRAINLIEST AND GIVE 20 POINTS!!!
A right rectangular pyramid is sliced vertically (down) at the red line by a plane not passing through the vertex of the pyramid. What is the shape of the cross-section.
A Trapezoid
B Triangle
C Rectangle
D Cylinder
Answer:
I feel like it might or might not be rectangle because it didn't pass through the vertex so it's almost like it's cutting off the top part of the pyramid.
Answer: Trapezoid
Step-by-step explanation:
I just did the test and got 100
what is half of 3.5
1.25 Step-by-step explanation:
Answer:
1.75
Step-by-step explanation:
3.5/2 = 1.75
hope this helps
The lengths of a professor's classes has a continuous uniform distribution between 50.0 min and 52.0 min. If one such class is randomly selected, find the probability that the class length is between 50.8 and 51 min.
Answer: the probability that the class length is between 50.8 and 51 min is 0.1 ≈ 10%
Step-by-step explanation:
Given data;
lengths of a professor's classes has a continuous uniform distribution between 50.0 min and 52.0 min
hence, height = 1 / ( 52.0 - 50.0) = 1 / 2
now the probability that the class length is between 50.8 and 51 min = ?
P( 50.8 < X < 51 ) = base × height
= ( 51 - 50.8) × 1/2
= 0.2 × 0.5
= 0.1 ≈ 10%
therefore the probability that the class length is between 50.8 and 51 min is 0.1 ≈ 10%
slope word problem. please solve
-2+(-7)= What is the answer? HELP!!!!!!!!!
Answer:
-9
Step-by-step explanation:
- 2 + ( - 7 )
- 2 - 7 = -9 ( Answer)
-4 x f (8) + 3 x g(-7) HELP ASAP
Answer:
-32
Step-by-step explanation:
-4 + f(8) + 3 x g(-7) = ?
To find f(8), look at each of the f(x) function and find x = 8. The y value is the answer you will plug in for f(8). The same goes for g(-7), but you will be looking at the g(x) function at x = -7.
f(8) = -4
g(-7) = -8
Make sure you solve in the correct order using PEMDAS.
-4 + (-4) + 3 x (-8) = -32
What is mzA? Enter your answer as only a number
Answer:
A = 25
B = 65
Step-by-step explanation:
Remark
I hope you mean what is the size of <A? If not leave a note. If I am correct than A and C are complementary (equal 90o) since B is a right angle.
Solution
2x + 1 + 5x + 5= 90 Combine like terms
7x + 6 = 90 Subtract 6 from both sides
7x = 90-6
7x = 84 Divide by 7
x = 84/7
x = 12
==========================
Now that is not quite the answer.
A = 2x + 1
A = 2*12 + 1
A = 25
B = 5x + 5
B = 5*12 + 5
B = 60 + 5
B = 65
A. 50 degrees
B. 130 degrees
C. 9 units
D.22 units
E. 13 units
Answer: all i can do hope this helps a bit 2. 130 degrees
5. 13 units
there are 5 people in Edgar's family. they have 3 loaves of pumpkin bread to share equally. Edgar wants to know how much pumpkin bread he will get?
Answer:
3 divided 5
Step-by-step explanation:
Edgar will get 3/5 or 0.6 part of pumpkin bread.
What is ratio?Ratio basically compares quantities, that means it show value of one quantity with respect to other quantity.
If a and b are two values, their ratio will be a:b,
Given that,
Total numbers of people in Edgar's family = 5
Total number of pumpkin bread = 3
Since, 3 bread are divided equally among 5 people,
implies that, bread will divide in the same ratio,
5 people = 3 bread
1 people= 3/5 bread
1 people= 0.6 part of bread
So Edgar will get 3/5 or 0.6 part of bread.
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Can someone answer these 2 please and thank you