Answer:
8
Step-by-step explanation:
value
!!!!!!!!!!!!!!!!!!!! Yes
Answer:it id blurry but i think it is c
Step-by-step explanation:
Answer:
Step-by-step explanation:
gggh
estimate the circumference of a circle that has a diameter of 13 yards
Answer:
aproximately 41 yards
Step-by-step explanation:
the equation equals 40.8 yards, rounded up is 41
f(x)=6x+4. Find the inverse of f(x).
Answer:
c
Step-by-step explanation:
f(x)=6x+4
y=6x+4
x=6y+4
6y=x-4
y=(x-4)/6
f^-1(x)=(x-4)/6
Answer is Option-C
How to find Inverse Function:
1. First, replace f(x) with y. This is done to make the rest of the process easier.
2. Replace every x with a y and replace every y with an x.
3. Solve the equation from Step 2 for y.
(Here), Given
f(x) = 6x + 4
Let's inverse function be y.
y = 6x + 4
First step is to switch the positions of x and y.
Inverse: x = 6y + 4
x - 4 = 6y
=> y = (1/6) * (x - 4)
Option-C
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Find each unit rate.
140 mi in 3.5 h
a.
40 mi per h
c.
0.03 mi per h
b.
143.5 mi per h
d.
35 mi per h
Answer:
40
Step-by-step explanation:
took the test
Find all solutions to the equation.
7sin2x - 14 sin x + 2 = -5
Answer:
Step-by-step explanation:First, group and combine like terms:
x
3
+
2
x
2
+
7
x
2
+
14
x
→
x
3
=
(
2
+
7
)
x
2
+
14
x
x
3
+
9
x
2
+
14
x
Next, factor out an
x
from each term in the expression:
(
x
⋅
x
2
)
+
(
x
⋅
9
x
)
+
(
x
⋅
14
)
→
x
(
x
2
+
9
x
+
14
)
Because
7
+
2
=
9
and
7
⋅
2
=
14
we can factor the quadratic term as:
x
(
x
+
7
)
(
x
+
2
)
The length, width and height of a rectangular prism is given as 15 cm, 10
cm and 5 cm respectively. What is the volume of the prism? *
A) 30cm3
B)150cm3
C)750cm3
D)750
Answer:
Its option C
Step-by-step explanation:
to find the volume you multiply the length, width and height together.
1/2 + 2/3 divided by 1/6 =
Answer:
4 3/6 or simplified 4 1/2
Step-by-step explanation:
Answer:
The answer is 4.5
Step-by-step explanation: Trust me thats the answer :)
In a highschool, for every 13 students that take English class, There are 16 students who take math class. How many students take math if there are 65 students in English class?
Answer:
80 students
Step-by-step explanation:
take 65 divide by 13, then x 5
Answer:
the correct answer would be 80 but if im wrong please correct me
Step-by-step explanation:
Below is a diagram of Justin's garden. What is the area of his garden?
Answer:
230 ft²
Step-by-step explanation:
(20 * 10) + (26-20)*(10-7) = 200 + 18 = 218
(32*14) - 218 = 230
3x + y = 15 and y = 2x
The solution, given in (x,y) form is
Answer: (3, 6)
Step-by-step explanation:
3x + y = 15
y = 2x
Using substitution:
3x + 2x = 15
5x = 15
x = 15/5
x = 3
y = 2x
y = 2 * 3
y = 6
x = 3
y = 6
= (3, 6)
A drawing has a scale of 1 mm: 20 cm. What
is the scale factor of the drawing?
The scale factor of the drawing is 200.
Scale Factor of a DrawingThe first step to take when looking for the scale factor of a drawing is to ensure both measurements are on the same unit.
Given a scale for a drawing to be: 1 mm: 20 cm
1 cm = 10 m
Therefore:
20 cm = 200 mm
Scale factor = 200/1 = 200.
Therefore, the scale factor of the drawing is 200.
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Answer
The multiplicative rate of change that should be in Hal’s function = 49/50=0.98
=9.8×10⁻¹
Explanation
The investment of $10,000 decreases by 2% every year. So the following year is usually (100 - 2)=98% of the previous year. This is a geometric progression.
In this case the first term = 10000
The second term = 98% × 10000 = 9800.
The common ratio = 9800/10000=49/50
The multiplicative rate of change that should be in Hal’s function = 49/50=0.98.
The equation of the exponential rate would be;
10,000ₓ0.98ⁿ.
where n is the number years.
Answer:
Answer:
1). Option (A)
2). Option (A)
Step-by-step explanation:
1). A worker bee has the mass = 0.00011 kg
In scientific notation we can convert the mass of bee as,
0.00011 =
=
Since 1.1 ≈ 1,
Therefore, 1.1 × 10⁻⁴ ≈ 1 × 10⁻⁴ kg
Option (A) is the answer.
2). An African elephant has a mass = 8139 kg
In scientific notation,
8139 = 8.139 × 10³
Since, 8.139 ≈ 8
Therefore, 8139 kg = 8.139 × 10³ kg
Option (A) is the answer.
Step-by-step explanation:
Hope this helps! ;)
Answer:
The investment of $10,000 decreases by 2% every year. So the following year is usually (100 - 2)=98% of the previous year. This is a geometric progression.
In this case the first term = 10000
The second term = 98% × 10000 = 9800.
The common ratio = 9800/10000=49/50
The multiplicative rate of change that should be in Hal’s function = 49/50=0.98.
The equation of the exponential rate would be;
10,000ₓ0.98ⁿ.
where n is the number years.
Step-by-step explanation:
what is another way to write 2.24 x 100
Answer:
224
Step-by-step explanation:
2.24*100 is 224
You can do it two ways.
First way: use a calculator
second way: multiply it out with normal multiplication
third way: Each zero is one place. There are two zeroes in 100. So in 2.24, you move the point (dot) to the right TWO TIMES. THat makes it 224.0, which is basically 224.
Find the point of intersection for the two functions through substitution. Show
your work
f(x) = -4x + 7
g(x) = 2x + 13
PLEASE HELP ME AND SHOW WORK I WILL MARK YOU THE BRAINLIEST!
This means x = -1 and y = 11 pair up together.
================================================
Work Shown:
Set the two functions equal to one another. Solve for x.
f(x) = g(x)
-4x+7 = 2x+13
7 = 2x+13+4x ... adding 4x to both sides
7 = 6x+13
7-13 = 6x .... subtract 13 from both sides
-6 = 6x
6x = -6
x = -6/6 ... divide both sides by 6
x = -1
Use this x value in either function
f(x) = -4x+7
f(-1) = -4(-1)+7
f(-1) = 11
or
g(x) = 2x+13
g(-1) = 2(-1)+13
g(-1) = 11
Whichever function you pick, the input x = -1 leads to the output y = 11.
The point of intersection is (x,y) = (-1, 11)
Visual confirmation is shown below.
Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (–1 + i) + (21 + 5i)? (–1 + i) + (21 + 5i) + 0 –1 + (i + 21) + 5i (–1 + 21) + (i + 5i) –(1 – i) + (21 + 5i)
Answer:
i think the answer is C, (-1 + 21) (i + 5i)
Step-by-step explanation:
i just took the test and got a 92% but it didnt tell me which ones were wrong. thats my best guess though. i hope it helps!
The expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression as, (-1 + 21)+(i + 5i). Option C is correct.
What is an expression?It is defined as the combination of constants and variables with mathematical operators.
It is given that the expression is, (–1 + i) + (21 + 5i)
We have to find the expression that demonstrates the use of the commutative property of addition
According to the commutative property of addition, altering the order of addends has no impact on the sum.
Commutative law refers to either of two rules pertaining to the addition and multiplication of numbers that are expressed symbolically as a + b = b + a and ab = ba. These principles imply that rearranging the terms or factors of any finite sum or product has no effect on it.
Thus, the expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression as, (-1 + 21)+(i + 5i). Option C is correct.
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And the number 6,497.4, the four next to the six is worth ___ times the other four.
A) 10
B) 100
C) 1,000
D) 10,000
The answer is : C
The answer is C because the four next to the six is three places to the left of the other four, its 1,000 times the other four
An online book store has 182 boxes of books in its warehouse. Each box has 32 books.
Part A
Which equation represents the best estimate of the total number of books in the warehouse?
180 × 30 = 5,400
180 × 40 = 7,200
190 × 40 = 7,600
200 × 40 = 8,000
Part B
Is the best estimate in Part A an underestimate or an overestimate? Explain.
It is an underestimate. The rounded value for 182 is less than 182, and the rounded value for 32 is less than 32. The estimated product must be less than the exact product.
It is an overestimate. The rounded value for 182 is greater than 182, and the rounded value for 32 is greater than 32. The estimated product must be greater than the exact product.
It is an overestimate. The rounded value for 182 is greater than the rounded value for 32. The estimated product must be greater than the exact product.
It is an underestimate. The rounded value for 32 is closer to 32 than the rounded value for 182 is to 180. The estimated product must be less than the exact product.
Answer:
Part is A. Part B is underestimate. Part C (for the choose drop-off boxes are these: 1# < 2# < 3# <
Step-by-step explanation:
I took the test, hope it helps.
Which graph represents a linear function?
Answer:
Graph two would be the answer because it is not curving.
Step-by-step explanation:
In the triangle below, what is the length of the side opposite the 30° angle? Picture and answers in attachment.
Answer:
The answer to this question is B.
PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!!
PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!!
PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!!
PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!!
Answer:
4.5 would be the answer
Step-by-step explanation:
If there are 34 successes in a sample with a size of 40, what is the sample
proportion?
Answer:
Step-by-step explanation:
0.85
Answer:
.85
Step-by-step explanation:
6 divided by 3 1/3?
1 20
2 1 4/5
3 2
Answer:
1 4/5
Step-by-step explanation:
Choose a missing numbers that make the following expression equivalent ____x + 14 and 7 ( 5 x + _____ )
Answer:
35x + 14 and 7(5x + 2)
Step-by-step explanation:
We have to find the missing values that would also make both expressions equivalent.
_x + 14 and 7(5x + _ )
In the expression, there are some similarities with the placement of the numbers and variables.
Let find the value of the number next to "x".
You can see that we have to use the distributive property to solve the right expression, and once we do so, we can find our first value.
Use the distributive property:
7(5x)
35x
Now we know that our first value is 35x.
To find our second value, we see that in the first equation it is "14", so we need a number that can be multiplied by 7 to make 14.
7 · 2 = 14
Our second number would be 2.
Your final answer would be: 35x + 14 and 7(5x + 2)
Once you use the distributive property for the second expression, you would get an equivalent expression as the first one.
Congruence question will give brainliest
Answer:
A
Step-by-step explanation:
Please help me solve this
Answer:
60
Step-by-step explanation:
Set up an algebraic equation
360= 2a+ 2a+ a + a
360= 6a
60= a
Since the sum of the angles is 360, they can be added together.
I will mark brainliest
Answer:
It's x = 12 (d)
Step-by-step explanation:
Subtract 4 on both sides: (16 - 4) - x = (4 - 4)
12 - x = 0
Then add x on both sides: 12 (- x + x) = (0 + x)
12 = x
Therefore x = 12
prove that a rectangle has congruent diagonals
Answer:
Look below
Step-by-step explanation:
Lets say there is a rectangle abcd
One way is: Triangle ABC is congruent to triangle DCB
Another way is: Since a rectangle is a parallelogram too, segment ab=dc. This is because opposite sides of a parallelogram are congruent.
Draw 9:10 on a clock
Answer:
put the short hand at nine
Step-by-step explanation:
put the long hand and 10 minutes
Answer:
you can draw on your notebook and draw the clock
which of these are rational numbers
-7
2/3
0.7584
all of these
Ed use 3 2/3 cups of peanut butter and 2 cups of powdered sugar to make 1 batch of peanut butter fudge. How much more peanut butter will Ed use than powdered sugar to make 3 batches of fudge?
Answer:
Ed will use 5 more peanut butter than powdered sugar to make 3 batches of fudge(11-6=5)
Step-by-step explanation:
3 2/3 cups of peanut butter (x)
2 cups of powdered sugar(y)
for every one batch you need 2 cups, and for 3 batches you need 6 cups of powdered sugar(2*3=6)
and for every batch you need 32/3 cups of peanut butter and for three batches you need (3 2/3 *3)= 11/3 *3=33/3=11 cups of peanut butter to make the fudge
Ed will use 5 more peanut butter than powdered sugar to make 3 batches of fudge(11-6=5)