An alloy consists of nickel, zinc, and copper in the ratio 2:7:9. How many pounds of nickel have to be used to create alloy that contains 4.9lb of zinc
Answers
Step-by-step explanation:
please mark me as the brainliest answer and please follow me
Answer:
the first one is wrong.
Step-by-step explanation:
Related Questions
Which system is equivalently to
Answers
Answer:
third
Step-by-step explanation:
Answer:is the first one
Step-by-step explanation: I guessed, well that’s what I think and if u have a problem with it then
If 5 + 6i is a root of the polynomial function f(x), which of the following must also be a root of f(x)?
Answers
Answer:
5-6i
Step-by-step explanation:
The complex conjugate root theorem states that if (a+bi) is a root, then (a-bi) must also be a root and vice versa.
We know that (5+6i) is a root.
Then by the above theorem, (5-6i) must also be a root.
Hence, our solution is (5-6i).
The answer is (B).
Took the review test and passed.
what is the range of the function f(x)=-8x+13 when the domain is (-2,0,3)?
Answers
Answer:
The complete set of domain (x) and range values (y) is given by:
x y
-2 39
0 13
3 11
Step-by-step explanation:
Considering the function
[tex]f(x)=-8x+13[/tex]
As we know that the range of a function consists of the entire set of all possible resulting values of the dependent variable commanly called y or f(x), once we have substituted the domain.
Now
As the x values are -2, 0, and 3. So, the domain interval is (-2,0,3).Putting x = -2 in f(x) to determine the range for the value x = -2
[tex]f(x)=-8x+13[/tex]
[tex]f(-2)=-8(-2)+13=16+13=39[/tex]
Putting x = 0 in f(x) determine the range for the value x = 0
[tex]f(x)=-8x+13[/tex]
[tex]f(0)=-8(0)+13=0+13=13[/tex]
Putting x = 0 in f(x) determine the range for the value x = 3
[tex]f(x)=-8x+13[/tex]
[tex]f(3)=-8(3)+13=-24+13=11[/tex]
Therefore, the complete set of domain (x) and range values (y) is given by:
x y
-2 39
0 13
3 11
Please help i am confused on this too!
Answers
Answer:
the first, third, and the forth
I Need help on the first question please will mark brainiest
Answers
Answer:
D
Step-by-step explanation:
please help thnx...
hi
Answers
Answer:
-17/5
Step-by-step explanation:
Multiply ten to everything to get
6x-1= x+2-20
Simplify to 5x= -17
Solve to get x = -17/5
What is the correct scale factor?
Answers
Answer:To find a scale factor between two similar figures, find two corresponding sides and write the ratio of the two sides.
Step-by-step explanation:
2b-m=5 what is the solution for m
Answers
Answer:
m = -5 + 2b
Step-by-step explanation:
2b - m = 5
-2b -2b
-m = 5 - 2b
-1 -1
5 ÷ -1 = 5
-2b ÷ -1 = 2b
m = -5 + 2b
At the start of the month, the value of an investment was $53.92. By the end of the month, the value of the
investment changed by a loss of $17.40.
What was the value, in dollars, of the investment at the end of the month?
Answers
Answer:
$36.52
you're welcome :)
find a factor of 3x^2- 16x - 12
Answers
Answer:
x= -2/3 and 6
Step-by-step explanation:
3x²-16x-12
3x²-18x+2x-12
(3x²-18x)+(2x-12)
3x(x-6)+2(x-6)
(3x+2)(x-6)
x= -2/3 and 6
Answer:
(3x+2)(x - 6)
Step-by-step explanation:
7. What is the value of the expression 3(2-7)?
A -27
B. –15
C. 15
D. 27
Answers
Answer:
Step-by-step explanation:
2-7=-5
-5*3=-15
Answer:
B. -15
Step-by-step explanation:
3(2)–3(7) = -15
6–21= -15
Which of the following expressions is not equivalent to 12x + 18y?
A.
6(2x + 3y)
B.
3(4x + 18y)
C.
6(2x) + 18y
D.
6x + 9y + 6x + 9y
Answers
you divide 12 and 6 which will give you 2 then you divide 18 and 6 which will give you 3
Add 19 to ‘a’ and divide the sum by 5, you will get 8
Answers
Answer:
a = 21
Step-by-step explanation:
Given
[tex]\frac{a+19}{5}[/tex] = 8 ( multiply both sides by 5 to clear the fraction )
a + 19 = 40 ( subtract 19 from both sides )
a = 21
Angles X and Y are supplementary. Angle X is 3 times the measure of angle Y. What is the measure of angle X?
45°
60°
120°
135°
Answers
Answer:
135 degrees
Step-by-step explanation:
135 is 3 times the measure of 45, and 45 + 135 equals 180. Supplementary angles add up to 180 degrees.
Answer:
Step-by-step explanation:
135
6.3232 or 6.3202 is grater?
Answers
Answer:
6.3232 is greater
Step-by-step explanation:
NEED ANSWER ASAP
Brad’s checking account starts off with a balance of $126.50. Throughout the week, Brad pays a bill for $87.21 and pays $5.64 for breakfast. He deposits $15.00 but then pays another bill for $55.25. At the end of the week, he gets a notice from the bank that he has a negative balance. How much does Brad need to deposit into his account to get to a $0 balance?
Answers
Answer:
$6.60
Step-by-step explanation:
Answer:
$6.6
Step-by-step explanation:
We add the amount he paid,
($87.21 + $5.64) - $15.00 + 55.25
We will get ,
$92.85 - $15.00 + $55.25
Then,
$77.85 + $55.25
We will get,
$133.10, the subtract the $133.10 from his original balance and get
$126.50 - $133.10 = $-6.6
He will need to deposit $6.6 to get his account to $0 balance
who makes more money bob who get paid $1000 biweekly or Patrick who get $1000 semi monthly
A. They live under the sea and cant get paper money
B. Bob
C. Patrick
D. The same
Answers
Answer:
b
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
Good ol bob is the answer :)
Does anyone know the correct answer? Btw happy thanksgiving :-)
Answers
Answer:
7.5
Step-by-step explanation:
Answer:
Median: 7.5 according to calculator
In the seventh grade, Rachel read 15 books.
In the eighth grade, she read 18 books.
Determine the percent of increase in the
number of books Rachel read.
Answers
Answer:
20%
Step-by-step explanation:
Calculate percentage change
from V1 = 15 to V2 = 18
(V2−V1)|V1|×100
=(18−15)|15|×100
=315×100
=0.2×100
=20%change
=20%increase
Answer:
20%
Step-by-step explanation:
Please help, I don’t understand at all.
Answers
4x +13 +6x+ 2 = 14x-13 ( exterior angle property )
10x +15=14x-13
10x-14x=-13-15
-4x=-28
=> x = 7
Hope it helps
:)
You need exactly 47 bottles of water. You don’t want to buy more than you need, but you want the least expensive way. List the best way to buy exactly 47 bottles of water.
GIVING 10 POINTS PLZ DO QUICLY
Answers
Answer: That would be 1 case + 112 pack + 16 pack + 5 singles
Step-by-step explanation:
Describe the products made by the process of cellular respiration.
Answers
Step-by-step explanation:
The product is carbon dioxide and water
There are 13 boxes with 5 pencils in each box. How many pencils in all? (PLZ HELP)
Answers
Answer:
65 pencils in all
Step-by-step explanation:
13 times 5 is 65, so 65 pencils in all.
is negative 8 a term
Answers
Answer:
Negative coefficients are simply coefficients that are negative numbers. An example of a negative coefficient would be -8 in the term -8z or -11 in the term -11xy. The number being multiplied by the variables is negative.
Step-by-step explanation:
put it in your own words
Find the distance between the points (-4,-2) and (4,3)
Answers
Answer:
9.433981132
Step-by-step explanation:
To learn how to find the distance between two points by using the distance formula, which is an application of the Pythagorean theorem. We can rewrite the Pythagorean theorem as d=√((x_2-x_1)²+(y_2-y_1)²) to find the distance between any two points, and I used my calculator to do so.
Jocelyn was given a gift card for a coffee shop. Each morning, Jocelyn uses the card
to buy one cup of coffee. Each cup of coffee costs $3 and the original amount of
money on the gift card was $45. Make a table of values and then write an equation for
A, in terms of x, representing the amount money remaining on the card after buying
2 cups of coffee.
Number of Cups of Coffee Amount of Money Remaining on Card
0
1
2
3
Answers
Answer:
0 - $45
1 - $42
2 - $39
3 - $36
3(a)=45
with 2 more cups it there would be $30 left
Step-by-step explanation:
Answer:
Step-by-step explanation:
A = 45 - 3x ;
(0, 45);
(1, 42);
(2, 39);
(3, 36)
A baker decorates 42 cupcakes in 30 minutes. She decorates cupcakes at a constant rate.
How many cupcakes can the baker decorate per minute?
Answers
Answer:
I'm pretty sure its 1.4 cupcakes
$482.56 divided by 8
Answers
Answer:
your answer would be $60.32
Which option? Help would be appreciated greatly
Answers
Answer:
Option 4: 6^7
Step-by-step explanation:
The rule is that when multiplying same bases with different exponents, the exponents only get added.
In other words, (x^a)(x^b)=x^(a+b)
In this case, (6^3)(6^4)=6^(3+4)=6^7
Therefore, Option 4 is correct
4x + 5y = 30
5x + 3y = 31
Answers
Answer:
Sorry i don't get the question
Step-by-step explanation: