Answer:
A
Step-by-step explanation:
tell me if im wrong
-7x-2y= -13
x-2y= 11
Solve the question with substitution and show work
Answer:
x=3,y= -4
Step-by-step explanation:
ii) x-2y=11
x=11+2y-----(i)
Now,
i) -7x-2y= -13
or, -7(11+2y)-2y= -13
or, -77-14y-2y = -13
or -14y-2y = -13+77
or -16y = 64
or y =64÷(-16)
:: y = -4
Again,
(ii) x-2y= 11
or x-2(-4)= 11
or x+8 = 11
or x = 11-8
:: x = 3
If the geometric mean between two number is 8 and one of the numbers is 2, what is the value of the other number?
Answer: 14
Step-by-step explanation: To find the mean you have to add the two numbers and divide by the amount of numbers (which is 2). 14 plus 2 is equal to 16. and 16 divided by two is equal to eight
if the value of c is negative, you would need zero pairs to model the factorization of the polynomial. the x-tiles on the board determine what the constants are in the factors. the product of these constants is equal to the value of c, so you would need positive tiles on one side of the x-squared tile and negative x-tiles on the other side to have opposite signs on the constants. opposite signs on the constants will result in a negative value for c when multiplying the factors.
Answer:
value of c is negative
constant are in factor bla bla.
Step-by-step explanation:
A local little league has a total of 70 players, of whom 80% are right-handed. How many right-handed players are there?
Answer:
14 is the answer
Step-by-step explanation:
Answer:
14
Step-by-step explanation:
12+4y^2-7
please help i will give brainliest
Answer: 4 2^ + 5
Step-by-step explanation:
;w;
Math people I’ll make brianliest
[tex]y=3x[/tex]
The input is classified as x term
The output is classified as y term.
If the input is -4 then
Substitute x = -4 in y = 3x
[tex]y=3(-4)\\y=-12[/tex]
Therefore, the answer is -12 aka the first choice.
Which equation could be used to find the length of the hypotenuse?
plz answer correctly what is 4 2/3 divided by 4 2/9 oh and plz this is mixed numbers so
it is 1 2/19 i took it
Calculate the height of a right circular cylinder with a surface area of 300 square inches and a radius of 5 inches. a. 2.45 inches c. 8.25 inches b. 4.55 inches d. 3.65 inches
Answer:
The height of the right circular cylinder is 4.55 inches ⇒ b
Step-by-step explanation:
The formula of the surface area of a right circular cylinder is
S.A = 2πrh + 2πr², where
r is its radiush is its height∵ The surface area of a right circular cylinder is 300 square inches
∴ S.A = 300 in.²
∵ Its radius is 5 inches
∴ r = 5 in.
∵ π = 3.14
→ Substitute them in the rule above
∵ 300 = 2(3.14)(5)(h) + 2(3.14)(5)²
∴ 300 = 31.4h + 157
→ Subtract 157 from both sides
∵ 300 - 157 = 31.4h + 157 - 157
∴ 143 = 31.4h
→ Divide both sides by 31.4
∵ 4.554140127 = h
∴ 4.55 = h
∴ The height of the right circular cylinder is 4.55 inches
Answer:
B.) 4.55
Step-by-step explanation:
Edge 2021
Find the Average Rate of Change between the points given below.
(3, -7) and (5, 20)
Your answer:
Divide
(2xy + 10) by 2
PLS FAST
Answer:
xy+5
Step-by-step explanation:
Answer: xy + 5
Work: So, we are going to divide everything by two. So, in the current equation, it divides everything by two, including the current two, which cancels it. So, after all the division, we get the current answer; xy + 5
I hope this helps, and Happy Holidays! :)
help please now i cant figure it out
Answer:
a. [tex]\frac{-11}{24}[/tex]
b. [tex]\frac{-3}{2} \\[/tex]
c. [tex]\frac{31}{7}[/tex]
d. [tex]\frac{11}{16}[/tex]
11, 3, 31, 11 = code
Step-by-step explanation:
a. [tex]\frac{-1}{6}\\[/tex] * 2[tex]\frac{3}{4}[/tex] =
2[tex]\frac{3}{4}[/tex] = [tex]\frac{4*2+3 }{4}[/tex]= [tex]\frac{11}{4}[/tex]
[tex]\frac{-1}{6}\\[/tex] * [tex]\frac{11}{4}[/tex] = [tex]\frac{-1*11}{6*4}[/tex] = [tex]\frac{-11}{24}[/tex]
b. [tex]\frac{3}{16}[/tex] / [tex]\frac{-1}{8}[/tex] =
[tex]\frac{3}{16}[/tex] * [tex]\frac{8}{-1}[/tex] = [tex]\frac{3*8}{16*-1} \\[/tex] = [tex]\frac{24}{-16}[/tex] = [tex]\frac{-3}{2} \\[/tex]
c. [tex]\frac{-31}{56}[/tex] * [tex]\frac{-8}{1}[/tex] = [tex]\frac{31}{7}[/tex] (you can reduce 8 & 56 by dividing by 8: 56/8=7 & -8/8= -1)
d. 1 [tex]\frac{7}{8}[/tex] / 2[tex]\frac{8}{11}[/tex] =
1 [tex]\frac{7}{8}[/tex] = [tex]\frac{8*1+7}{8}[/tex] = [tex]\frac{15}{8}[/tex]
2[tex]\frac{8}{11}[/tex] = [tex]\frac{11*2+8}{11}[/tex] = [tex]\frac{30}{11}[/tex]
[tex]\frac{15}{8}[/tex] * [tex]\frac{11}{30}[/tex] = [tex]\frac{11}{16}[/tex] (you can reduce 15 & 30 by dividing by 15: 15/15=1 & 30/15 = 2)
can yall help me with this
Answer:
48
Step-by-step explanation:
144 divided by 3 is 48 :)
A save percentage in lacrosse is found by dividing the number of saves by the number of shots faced. A
lacrosse goalie saved 7 of 11 shots. How many additional consecutive saves s must the goalie make to
raise his save percentage to 0.850?
Answer:
The goalie needs to make 16 more saves in a row.
Step-by-step explanation:
Let n be the number of additional saves needed.
[tex]\frac{7+n}{11+n}\geq 0.85[/tex]
[tex]7+n\geq 0.85(11+n)\\[/tex]
[tex]7+n\geq 9.35+0.85n[/tex]
[tex]0.15n\geq 2.35[/tex]
[tex]n\geq 15.66[/tex]
When graphed in the (x,y) coordinate plane, at what point
do the lines x + y = 5 and y = 7 intersect?
A. (-2,0)
B. (-2,7)
C. (0,7)
D. (2,5)
E. (5,7)
Find the missing side of this triangle ROUND TO THE NEAREST TENTH IF NEEDED!! PLEASE HELP WILL MARK BRAINLIEST
Answer:
B option
Step-by-step explanation:
hypotenuse square = base square+ perpendicular Square
please mark me brainliest and 5 star
Need help with question 12 ASAP ill love you forever
Answer:
A
Step-by-step explanation:
You solve for x so,
Y=3-5x
y-3=5x <----- subtract by 3
3/5+y=x <------ divide by -5
Also (3/5,0) is at the x value
Joey had $120 in his checking account. He used his debit card and bought himself a new Nike hoodie for $47. Then he withdrew $25 to pay for dinner at Fuzzy's. The next day he deposited a $50 check he got from his grandmother for his birthday. What is Joey's balance now? Which equation can be used to find Joey's balance?
Answer:
$120-$47-$25+$50 which is $98
Step-by-step explanation:
Hope this helps :D
Hit the crown :D
Answer:
B) 120 - 47 - 25 + 50
Step-by-step explanation:
he has a whole of 120 then spends 47 and 25 but then gains 50 so the equation is 120-47-25+50
Which expression is equivalent to (7 - 2x) + (-4x – 10)?
Answer:
this answer should be -6x - 3
Step-by-step explanation:
This table shows a proportional relationship between the number of eggs and the number of ounces of tomatoes used for a recipe. Enter the number of eggs used for 1 ounce of tomato
Eggs Ounces of Tomatoes
4
7
8
14
12
21
Eggs -
Answer: 12
Step-by-step explanation:
please help i am being timed i beg you please help
if θ is an angle in standard position and its terminal side passes through the point (-3,-4), find the exact value of \sin\thetasinθ in simplest radical form.
Which point is a solution to the inequality shown in this graph?
(3, 2)
6
(-3,-6).
A man has 16 coins in his pocket, all of which are nickels and quarters. If the total value of his change is $1.40, how many of each coin does he have?
Answer:
3 quarters 13 nickels
Step-by-step explanation:
Answer:
3 quarters and 13 nickels
Step-by-step explanation:
Which table below shows the equation y + x - 7?
(These are all tables)
1.
X 0 8 10 14
Y 7 11 12 0
2.
x 0 2 4 10
y 7 8 9 12
3.
x -2 0 2 6
y -6 -7 -6 -4
4.
x -6 -4 0 8
y -10 -9 -7 -3
Please help!
Answer:
It may be ( 3.) I dunno but they look kinda proportional
Seven out of every twenty soda bottles produced have caps indicating that the purchaser has won a prize. Which equation represents the relationship between the number of soda bottles with winning caps and the total number of soda bottles produced? (Let w represent the number of bottles with winning caps, and let t represent the total number of bottles produced.) 1t OA. W= 20 7 -t B. W= 13 C. Zw = 20$ OD. Zw = 13t
Answer:
ihni
Step-by-step explanation:
35
if I get 1 point each 6minutes how long until i get 50 points?
and tell me how you got the any
Answer:
300 minutes
Step-by-step explanation:
1 point=6 minutes
50 points= x
x=6×50
=300 minutes
Pls be right will give brainliest
What is the mean of the following numbers?
14, 6, 4, 12
help please
Answer:
9...........................
What equation is a standard form of quadratic function?
A.) y=x^2+6x+9
B.) y=(x+1)(x+3)
C.) y=-x^2+3x+5
Answer:
A is the correct format. Quadratic expressions in standard form are expressed in the format [tex]ax^2 + bx + c[/tex]