Answer: 3 hours
Step-by-step explanation:
Simplify the expression.
14x - 2, for x = 7
14x-2
Answer:
Step-by-step explanation:
14X - 2
14 (7) - 2
98 - 2
96
The value of the expression at x = 7 will be 96.
What is an expression?Expression in maths is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division.
Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.
Given expression is 14x - 2. The value of x is 7. The value of the expression at x =7 will be calculated as:-
E = 14x - 2
E = 14 x 7 - 2
E = 96
Therefore, the value of the expression at x = 7 will be 96.
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Find the midpoint of a segment with the given endpoints.
W(-2,5), X(3,-17) =
Answer:
The answer is
[tex]( \frac{1}{2} \: , \: - 6)[/tex]Step-by-step explanation:
The midpoint M of two endpoints of a line segment can be found by using the formula
[tex]M = ( \frac{x1 + x2}{2} , \: \frac{y1 + y2}{2} )[/tex]where
(x1 , y1) and (x2 , y2) are the points
From the question the points are
W(-2,5) and X(3,-17)
The midpoint is
[tex]M =( \frac{ - 2 + 3}{2} , \: \frac{5 - 17}{2} ) \\ = ( \frac{1}{2} \: , \: - \frac{12 }{2} )[/tex]We have the final answer as
[tex]( \frac{1}{2} \: , \: - 6)[/tex]Hope this helps you
Find an equation of the line that has a slope of 5 and a Y intercept of 3. Write your answer in the form of Y=mx+b.
A factory produced 247 televisions in 13 hours. How
many televisions did the factory produce each hour?
Answer:
19
Step-by-step explanation: divide 247 by 13, and you get 19 tvs.
Point N is on line segment \overline{MO} MO . Given MN=2x, NO=x-2, and MO = 2x+9, determine the numerical length of \overline{MN}. MN .
Answer:
22
Step-by-step explanation
Miki has 104 nickels and 88 dimes. She wants to divide her coins into groups where each group has the same number of nickels and the same number of dimes. What is the largest number of groups she can have?
Given :
Miki has 104 nickels and 88 dimes.
She wants to divide her coins into groups where each group has the same number of nickels and the same number of dimes.
To Find :
Largest number of groups she can have .
Solution :
In the given question we need to find the largest number of groups she can have i.e we have to find the LCM of 104 and 88 .
Now , factorizing both of them , we get :
[tex]104=1\times 2\times 2\times 2\times 13[/tex]
[tex]88=1\times 2\times 2\times 2\times 11[/tex]
Form above , we can say that common factors are :
[tex]HCF=2\times 2\times 2=8[/tex]
Therefore , the largest number of groups she can have is 8 .
Hence , this is the required solution .
Answer:
c
Step-by-step explanation:
just make it simple ._.
The ratio between the number of students (s) on a field trip and the number of teachers (t) on the field trip is 21/4. There are 84 students going on the field trip. How many teachers must go? *
Answer:
Step-by-step explanation:
If there needs to be 4 teachers per 21 students, you would divide the total amount of students by 21 and multiply that answer by 4. SO...:
84 ÷ 21 = 4 groups of 21 students.
4 groups × 4 teachers = 16
*** Answer***
16 TEACHERS
|3n - 5] + 14 = 7
How do answer this equation please show work
Lupe had $100 to buy party supplies for her little sister's birthday. She bought 12 bags of party favors and 15 party hats. Each bag of party favors cost $5.30, and each party hat cost $1.95. How much money did Lupe have left after her purchases? $7.15 $20.50 $36.40 $65.75
Answer:
He had 7.15 dollars left over
Step-by-step explanation:
12 x 5.3 = 63.6
15 x 1.95 = 29.25
63.6 + 29.25 = 92.85
100 - 92.85 = 7.15
hope this helps you :)
pls mark brainlest ;)
The money left with Lupe after her purchase is $7.15.
Given,
Lupe had $100 to buy party supplies for her little sister's birthday.
She bought 12 bags of party favors and 15 party hats.
Each bag of party favors costs $5.30.
Each party hat cost $1.95.
We need to find how much money Lupe has left after her purchases.
How do we find the amount left after spending from the total amount?We will subtract the amount spent from the total amount given.
The number of spending may depend on the number of items bought and the cost of each item.
If one item cost = $a
And number of items bought = 2
The total amount spent = 2 x $a = $2a
Find the amount Lupe has.
= $100
Find the cost of one party bag.
= $5.30
Find the cost of one party hat.
= $1.95
Find the number of the party bags.
= 12
Find the number of the party hats.
= 15
Find the cost of 12 party bags.
= 12 x $5.30
= $63.6
Find the cost of 15 party hats.
= 15 x $1.95
= $29.25
Find the money left.
= $100 - ($63.6 + $29.25)
= $100 - $92.85
= $7.15
Thus the money left with Lupe after her purchase is $7.15.
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4. A BMW convertible travels for 4 hours, by the end the car has driven 120 miles, what was the speed of the BMW? *
Answer:
30mph
Step-by-step explanation:
120 diveded by 4=30
Answer: 30
Step-by-step explanation:
120 Divided By 4 = 30 Hope That Helps
Linda just turned 15 and is planning to go to college. She has researched her favorite Texas university and discovered the tuition there is around $14,000 per year. From her 15th birthday, Linda received a $5000 gift that she will use for her first year of college tuition. Linda will begin her new part time job soon and wants to save money every month for the next 3 years to also contribute to her first year of college. What is the minimum amount of money Linda needs to save in order to completely pay for her first year of college tuition?
Answer:
Linda needs to raise a minimum of $9,000 to completely pay for her tuition fee for the first year, that is, $250 per month
Step-by-step explanation:
Tuition fee = $14,000 per year
Linda received a $5000 gift that she will use for her first year of college tuition during her 15th birthday
Amount remaining = Tuition fee - gift money received
= $14,000 - $5,000
= $9,000
Linda needs to raise $9,000 in the next three years to contribute to her first year of college tuition
The minimum amount Linda needs to save each month in the next three years to raise $9,000
= Remaining tuition / 3 years
= $9,000 / 3 * 12 months
= $9,000 / 36 months
= $250 per month
how to find the slope on a table
Add. Be sure to simplify and have your answer in CORRECT scientific notation. (1.63 x 107) + (2.4 x 107) Question 1 options: 1.87 x 107 4.03 x 107 40.3 x 107 4.03 x1014
Answer:
I am 100% sure its 4.03 x 10^7
Step-by-step explanation:
Vladimir buys 1.20 pounds of Skittles, 7/2 pounds of M&Ms, and 5.2 pounds of pretzels. If the candy cost $1.20 a pound and the pretzels cost $1.10 a pound, how much did Vladimir spend?
Answer:
$11.36
Step-by-step explanation:
1.20 x 1.20= 1.44
7/2 x 1.20= 4.2
1.44 + 4.2= 5.64
5.2 x 1.10= 5.72
5.64 + 5.72= 11.36
If you make $20,000 a year, how much do you make in a month?
Answer:
1,666. a month on an average
Step-by-step explanation:
Answer:
$1,670 a month (rounded)
Step-by-step explanation:
Exercise #4: Each of the following fractions can be converted to a whole number using division.
Do so and show the long division if needed.
A) 12/2
B)45/5
C) 207/9
A) 6 because 12 divided by 2 is 6
B) 9 because 45 divided by 5 is 9
C) 23 because 207 divided by 9 is 23
write down 54300 in standard form
Answer:
50000 + 4000 + 300
Step-by-step explanation:
you don't need to add the extra zeros . you can if you want .
Find three consecutive odd integers such as the sum of the smallest number and middle number is 27 less than 3 times the largest number
Answer:
17, 19 and 21Step-by-step explanation:
x - an integer
then: 2x is an even number and 2x+1 is an odd number
consecutive odd numbers increase by 2 (even numbers too)
so the next odd number (the middle number) is:
2x+1+2 = 2x+3
and the third (the largest) consecutive is:
2x+3+2 = 2x+5
the sum of the smallest and the middle numbers is:
2x + 1 + 2x + 3
3 times the largest number is:
3(2x + 5)
the sum of the smallest number and middle number is 27 less than 3 times the largest number, so:
2x + 1 + 2x + 3 = 3(2x + 5) - 27
4x + 4 = 6x + 15 - 27
-6x -6x
-2x + 4 = -12
-4 -4
-2x = -16
÷(-2) ÷(-2)
x = 8
2x+1 = 2•8+1 = 17
2x+3 = 2•8+3 = 19
2x+5 = 2•8+5 = 21
Check:
2x+1+2x+3 = 16+1+16+3 = 36
36+27 = 63
63:3 = 21 = 2x+5
Which is a factor of x2 + 8x - 48?
O (X-6)
O (x + 4)
O (x - 16)
O (x + 12)
Answer:
(x+12)
Step-by-step explanation:
x2 + 8x - 48
x2 + 12x - 4x - 48
(x-4)(x+12)
The factors of the expression are:
(x + 12) and (x - 4).
What is an expression?An expression contains one or more terms with addition, subtraction, multiplication, and division.
We always combine the like terms in an expression when we simplify.
We also keep all the like terms on one side of the expression if we are dealing with two sides of an expression.
Example:
1 + 3x + 4y = 7 is an expression.com
3 + 4 is an expression.
2 x 4 + 6 x 7 – 9 is an expression.
33 + 77 – 88 is an expression.
We have,
To determine which of the options is a factor of x² + 8x - 48,
We can use either factoring or the quadratic formula.
First, let's try factoring:
x² + 8x - 48 = 0
We need to find two numbers that multiply to -48 and add to 8.
One possible pair of numbers is 12 and -4:
(x + 12)(x - 4) = 0
Now we can see that x = -12 or x = 4 are the solutions to the equation. None of the options given match these solutions.
Therefore,
The factors of the expression are:
(x + 12) and (x - 4).
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To pass science, a student must earn at least a grade of 70. How many students failed this science class? A histogram titled Science Grades has grades on the x-axis and number of students on the y-axis. 2 students received a score of 50 to 59; 5 students received a score of 60 to 69; 8 students received a score of 70 to 79; 5 students received a score of 80 to 89; 2 students received a score of 90 to 100.v
Answer:
7
Step-by-step explanation:
IM DORA
Answer:
7 students
Step-by-step explanation:
6а – 2а = -48
Need help
Step-by-step explanation:
6а – 2а = -48
4a=-48
a=-12
Answer:
[tex] \huge{ \fbox{ \sf{a = - 12}}}[/tex]
Step-by-step explanation:
[tex] \underline{ \mathfrak{Let's \: solve}}: [/tex]
[tex] \bigstar{ \sf \: \: 6a - 2a = - 48}[/tex]
[tex] \text{Step \: 1 \: } : \sf{Collect \: like \: terms}[/tex]
[tex]\sf{ Like \: terms \: are \: those \: which \: have \: the \: same \: base.}[/tex]
[tex] \mapsto{ \sf{4a = - 48}}[/tex]
[tex] \text{Step \: 2 \:} : \sf{Divide \: both \: sides \: by \: 4}[/tex]
[tex] \mapsto{ \sf{ \: \frac{4a}{4} = \frac{ - 48}{4} }}[/tex]
[tex] \text{Step \: 3 \: }: \sf{ Calculate}[/tex]
[tex] \underline{ \sf{Remember!}} : \sf{Dividing \: a \: negative \: integer \: by \: a \: positive \: integer \: gives \: a \: \: negative \: integer.}[/tex]
[tex] \mapsto{ \sf{ \frac{ \cancel{4} \: a}{ \cancel{4} } = \frac{ \cancel{ - 48} ^{ \: \: - 12} }{ \cancel{4} ^{ \: \: 1} } }}[/tex]
[tex] \mapsto{ \sf{a = - 12}}[/tex]
The value of a is -12
Hope I helped!
Best regards! :D
~[tex] \sf{TheAnimeGirl}[/tex]
HURRY PLEASE!!!
It is given that y varies inversely as x varies. If x = 15 and y = 2, what is the value of y when x = 5?
A) 12
B) 6
C) 4
D) 3
Answer:
b
Step-by-step explanation:
comment if it was correct
Javier power walks 4 1/4 miles in 2 hours how many miles does he walk in one hour
Answer:2.125
Step-by-step explanation: :)
HELP ME PLS I NEED THIS RIGHT NOW !! <33 LUV U
can someone please help me
Answer: A and B
Step-by-step explanation: They both give 2 points and since a is cords it has to have a x/y axis but C just has two number rows
What is 150 divided by 18
Answer:
8.33333333333
Step-by-step explanation:
Answer:
8.33
Step-by-step explanation:
What is the sum of 1.57 and 6.88? 7 tenths, 3 hundredths, and 5 thousandths 8 ones, 4 tenths, and 5 hundredths 5 ones, 4 tenths, and 8 hundredths 7 tenths, 4 hundredths, and 5 thousandths
Answer:
8 ones, 4 tenths, and 5 hundredths
Step-by-step explanation:
just took the quiz
Answer:
8 ones, 4 tenths, and 5 hundredths
Step-by-step explanation:
When do u evaluate exponents in the order of operations??
Pls help I got 9 minutes to do this
Answer: Great more than happy to help!
Exponents come 2nd in line for PEMDAS (order of operations).
Once you finish the parenthesis, you move on to the exponents.
Step-by-step explanation:
Answer:
Step-by-step explanation:
Using the PEMDAS
Parentheses
Exponents
Multiplication
Division
Addition
Subtraction
Jacob wanted to know what the most popular sneakers brand was for his classmates. His class had 30students. To save time he asked the first 10 boys he met. Is this a random sampling for the brand of sneakers? Why or why not?
-6x+4y=-18 -x-y=2 solve by subsitution
Point Form: (1, -3)
Equation Form: x = 1 , y = -3
