Answers
Answer:
x = 31
Step-by-step explanation:
4x + 38 = 2x + 10 + 90
2x = 62
x = 31
Related Questions
what is the slope.of the line passing points (1, -5) and (4, 1)
Answers
Answer:
[tex]\huge{\boxed{\sf{ 2 }}}[/tex]
Step-by-step explanation:
Let the points be A and B
A ( 1 , -5 ) [tex]\longrightarrow[/tex] ( x1 , y1 )
B ( 4 , 1 ) [tex]\longrightarrow[/tex] ( x2 , y2 )
Finding the slope :
Slope = [tex]\frac{y2-y1}{x2-x1}[/tex]
Slope = [tex]\frac{1 - ( -5 )}{4 - 1}[/tex]
Slope = [tex]\frac{1+5}{4-1}[/tex]
Slope = [tex]\frac{6}{3}[/tex]
Slope = [tex]2[/tex]
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Robert earned $10, which was 4 less than twice what Eric earned. How much money
did Eric earn?
Answers
Answer:
uh
Step-by-step explanation:
gygygyg
rosa puts 2/3 cup of vegetables mixture in 1 tortilla. she has 8 cups of vegetable mixture.
Answers
Answer:
She need to divide 24 by 2 to get 12. She can fill 12 tortillas
Step-by-step explanation:
Which of the following expressions are equivalent to -x/y
Answers
Answer:
-z/e
Step-by-step explanation:
-x/y = -z/e
Evquivilent Ratio for 23:37
Answers
Answer:
46:74
Step-by-step explanation:
Write the number in two other forms.
0.489
Answers
Answer:
48.9%, and 489/1000
Step-by-step explanation:
It is currently written as a decimal. To convert to a percent, simply move the decimal place over to the right by 2 places. For the fraction, calculate the place value of the last digit, which in this case, is the thousandths. So, the fraction would be 489/1000
Mary is twice as old as Helen’s age, If 8 is subtracted from Helen’s Age and 4 is added to Mary Age? Mary will be 4 times as old as Helen. What are the ages
Answers
Answer:
set mary is x years old, and helen is y years old.
first sentence:x=2y
second one:4(y-8)=x+4
bring x=2y in 4(y-8)=x+4
=>4y-32=2y+4
=>2y=36
=>y=18
=>x=36
mary:36
helen:18
We want to write and solve a system of equations that models given situation. We will see that Helen is 18 years old, and Mary is 36 years old.
Let's define the variables we will be using.
m = Mary's age.h = Helen's age.We know that "Mary is twice as old as Helen’s age"
Then:
m = 2*h
"If 8 is subtracted from Helen’s Age and 4 is added to Mary Age, Mary will be 4 times as old as Helen."
(m + 4) = 4*(h - 8)
Then the system of equations is:
m = 2*h
(m + 4) = 4*(h - 8)
To solve it, we can replace m by 2*h in the second equation, so we get:
(2h + 4) = 4*(h - 8)
2*h + 4 = 4*h - 32
4 + 32 = 4*h - 2*h
36/2 = h = 18
And we know that:
m = 2*h = 2*18 = 36
So Helen is 18 years old, and Mary is 36 years old.
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A baker has 3/4 pound of sugar left in his pantry he needs 1/8 of a pound for each batch of cookies ha make what is the greatest number of batches of cookies the baker can make with the 3/4 pound of sugar
Answers
Answer: 6
Step-by-step explanation:
If you convert 3/4 into eighths then it would be 6/8's so the baker can make 6 batches.
Brian has a huge barn, 32 chickens, 12 pigs, 8 horses, 6 cows, 16 ducks, and 10
goat
Answers
Answer:
what's the question
Step-by-step explanation:
Answer: So he has 84 animals was there a question to this or is Brian flexing his barn?
Step-by-step explanation:
Rewrite 10 7/8 as an improper fraction. I need help:)
Answers
Answer:87/8
Step-by-step explanation:cause i smart :D
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Find the range of the data in the box plot below.
Magnitude of earthquakes
0 1 2 3 4 5
6 7 8 9 10
What is the range?
Answers
The range of the given magnitude is 10.
What is Range?The range is the difference between the largest value and the smallest value, is the simplest measure of variability in the data. The range is determined by only the two extreme data values.
Here, given data;
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
Range = Upper limit - Lower limit
= 10 - 0
= 10
Thus, the range of the given magnitude is 10.
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Solve please? Thanks :)
Answers
Answer:
Step-by-step explanation:
lol this was really funny
scientific notions have to be less than 10 and more than 1
1. 68600 / 10000 = 6.86
A. 6.86 x 10^4
2. 0.082 x 100 = 8.2
C. 8.2 x 10^-2
3. 0.068 x 100 = 6.8
D. 6.8 x 10^-2
4. 0.93 x 10 = 9.3
C. 9.3 x 10^-1
5. 0.000923 x 10000 = 9.23
D. 9.23 x 10^-5
solve for x
x/3 = 5/8
Answers
Answer:
x = 15/8
Step-by-step explanation:
x/3 = 5/8
Using cross products
8x = 3*5
8x = 15
Divide each side by 8
8x/8 = 15/8
x = 15/8
X= 1 7/8
Step-by-step explanation:
Write the equation of the line that has a slope of -5 and goes through (1,-4)
Answers
Answer:
y=-5x+1
Step-by-step explanation:
plug the coordinate points to the equation, and find your y intercept
Type your response in the box.
Janet and Patrick are buying stuffed frogs each month to give to a charity. Pattern 1 describes Janet's collection over
the first three months. Pattern 2 describes Patrick's collection. Study both patterns, and fill in the table based on
your observations.
Answers
Step-by-step explanation:
Pattern 1 :
Arithmetic Sequence
Common term = 4
Pattern 2 :
Geometric Sequence
Common ratio = 2
Answer:
pattern 1 arithmetic The common difference is 4. The pattern starts at 3 and always adds 4 to get to the next term.
pattern 2 geometric The common ratio is 2. The pattern starts at 3 and always multiplies by 2 to get to the next term.
Step-by-step explanation:
prove cosec 2x + cot 2x = cot x
Answers
csc(2x) + cot(2x) = 1 / sin(2x) + cos(2x) / sin(2x)
csc(2x) + cot(2x) = (1 + cos(2x)) / sin(2x)
csc(2x) + cot(2x) = (1 + cos(2x)) / (2 sin(x) cos(x))
csc(2x) + cot(2x) = cos²(x) / (sin(x) cos(x))
csc(2x) + cot(2x) = cos(x) / sin(x)
csc(2x) + cot(2x) = cot(x)
PLS SOLVE!! n+5 / -16 = -1
Answers
Answer:
The answer is n = 11.
Step-by-step explanation:
Answer:
n = 11Step-by-step explanation:
n + 5 = -1
-16
n + 5 = -1 (-16)
n = 16 - 5
n = 11
Divide 1/4÷2/3 and express the answer in the simplest terms. If necessary, use / for the fraction bar.
1/4 ÷ 2/3 =
Answers
Answer:
3/8
Step-by-step explanation:
find the Least Common Denominator, change the numerators as needed, divide, then simplify.
Answer:
the answer is 3/8
Step-by-step explanation:
brainiest rate 5 stars and thank mee : )
Which of the following results in the expression 0.22 ⋅ 86?
22 of 86%
22% of 86
86% of 0.22
0.86 of 22%
I need help plows pleasee!!
Answers
Explanation:
0.22 is 22%
"of" means to multiply
86=86
A club elects a president, vice-president, and secretary-treasurer. How many sets of officers are possible if there are 11 members and any member can be elected to each position? No person can hold more than one
office
Answers
11 members and we have to pick three without replacement.
[tex]_{11} C_{3}[/tex] = 165
There are 165 possible sets of officers
Find a pattern, then select the next two terms of the sequence.
5, 1, 7, 0, 9, –1, 11, . . .
Answers
Answer:
-2 and 13
Step-by-step explanation:
the pattern here is annoying to find, but there is one. the first change is -4, then +6, then -7, then +9. The pattern starts at -4, then after that it increases by 2 and changes from a negative to a positive (and can change the other way). After that change it increases by one and changes from a positive to a negative. Essiently, the pattern is add 2 to the pattern and change the sign, then add 1 to the pattern after that and change the sign, infinitely repeating, with the two after 11 being -2 (gotten from +12 because you add 2 to -10 and change the sign) and 13 (gotten from -13 because you add 1 and change the sign of +12).
The average of 5 distinct scores has the same value as
the median of the 5 scores. The sum of the 5 scores is
420. What is the sum of the 4 scores that are NOT the
median?
Answers
Answer: 336 is the sum of the non-median scores
Step-by-step explanation: if the sum of 5 scores is 420, the average is 420/5 = 84
That is also the median to be subtracted: 420-84= 336
Give five elements of the following sets.
A = {different land forms}
B = {x/x is a prime number greater than 20 but less than 50}
C = {even number less than 20}
D = {fraction less than 1}
E = {noun that starts with letter "a"}
Answers
Answer:
Find the answer below.
Step-by-step explanation:
1. A = {mountain, valley, plateau, plains and hills}
A landform refers to a geomorphic or natural feature of the Earth's surface, which typically makes its terrain.2. B = {23, 29, 31, 37 and 41}
A prime number can be defined as any number that is greater than one (1) and can only be divided by itself or one (1). In this case, they are greater than 20 but less than 50.3. C = {2, 4, 8, 10 and 12}
An even number can be defined as any number that can be divided by two (2) without any remainder. In this instance, they should be between one (1) and twenty (20).4. D = {2/3, 1/2, 3/4, and 1/5}
A fraction that is less than one (1) refers to a proper fraction. Therefore, proper fractions must have the value of their numerator to be less than the value of their denominator.5. E = {ant, angel, angle, anaconda, and ark}
A noun can be defined as the name of any place, people, animal or things. In this context, the nouns should all start with the letter "a.") How many digits are in the number 13,692,540?
Answers
Suppose 27 gallons of water came out of a pipe in 9 minutes.what was the rate in gallons per minute
Answers
Answer:
Rate = 56 gal / 7 min
= 8 gal / min
Step-by-step explanation:
Hope this helps pls leave a heart c:
I did this one slot of times but I never get it
Answers
Answer:
A: [tex]x^{2} \leq 16[/tex]
A is a solution set of the inequality.
This means:
[tex]x^{2} \leq 4[/tex]
∩ (AND)
[tex]x^{2} \geq -4[/tex]
Which can also be written as:
Interval notation: x ∈ [-4, 4]
Set notation: {x | [tex]-4 \leq x \leq 4[/tex] }
choose the expression that completes the equation 33 / 3 + 10=_______
1. 2(10+1)
2. 10(1+1)
3. 3(6+1)
4 5(3+5)
Answers
Answer:
the answer is number 3. 3 ( 6+1 )
Hope this helped
Solve w - 4b = 1 for w
Answers
w-4b=1
+4b +4b
—————
w=1+4b
Answer: w=1+4b
Which of the following is a term?
A: 17y + 11
B: 6p
C: 7x / 2
D: 1 + 1
Answers
Answer:
B
Step-by-step explanation:
Which system of equations is equivalent to the following system?
4x + y = 4
2x + 7y = 28
Answers
Answer:
the third one
-28x-7y=-28
2x+7y=28
Step-by-step explanation:
for the first one, the 2x+7y=28 is being multiplied by -1, but its not being distributed correctly (28 is incorrect, it should be -28)
for the second one, the 2x+7y=28 is being multiplied by -4, but again, is not being distributed correctly (112 is incorrect, it should be -112)
for the fourth one, 4x+y=4 is being multiplied by -2, but its not being distributed correctly (8 is incorrect, it should be -8)
The system of equations equivalent to the given system is -28x -7y = -28, 2x + 7y = 28, the correct option is C.
What is System of Equation?The system of equation is set of equations which have a common solution.
The system of equation is,
4x +y = 4
2x +7y =28
The equations can be solved using Substitution method, elimination method and by plotting the graph.
In substitution method, the value of one variable from an equation is substituted in the other equation.
4x +y = 4
y = 4 - 4x
This will be substituted in the equation 2
2x + 7 (4-4x) = 28
2x +28 - 28x = 28
-26x = 0
x = 0
Putting this value in equation 1 , y = 4.
In elimination method, one of the variable is eliminated to solve the system of equation.
To eliminate y, the equation 1 will be multiplied by -7,
-28x -7y = -28
2x + 7y = 28
This is equivalent to the original system of equation.
Adding the equations will yield
-26x = 0
x = 0
y = 4.
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