Answer:
x = -3 y = -8 (-3,-8)
Step-by-step explanation:
first you would subsitute the y with (2x-2) in -3x+4y=-23 as y=2x-2
giving you-3x+4(2x-2)=-23
next you distribute the 4 to (2x-2) leaving you with -3x+8x-8=-23
then add -3x+8x to get 5x, having 5x-8=-23
add 8 to both sides canceling out 8 on one side and adding 8 to the other leaving you with 5x=-15 then you divide 5 from 5x to both sides leaving you with x = -3
next is y since you have x you would substitute the x in y=2x-2 with -3 getting y=2(-3)-2 then you multiply the 2 and -3 so you have y=-6-2 then you subtract those getting y = -8
Answer each question below, showing ALL work.
pls- help me ASAP someone :(
Answer:
1)y=3x+2
2)y=-2/2x+4
Step-by-step explanation:
you get the slope from the points and the b from the y intercept.
Select all the expressions that are equivalent to 4-3.
A) -12
B) (-4) - (-4).(-4)
C) 2-6
D (1/4) • (1/4) • (1/4)
E) (1) · (1). (1)
F) 8-1/ 2 to the power of 2
G) 12
Answer:
See below.
Step-by-step explanation:
4*-3
A) -12
C) 2*-6
-hope it helps
The expressions that are equivalent to 4 × -3 are A) -12 and C) 2 × -6.
What is the expression?Algebraic expressions are mathematical statements with a minimum of two terms containing variables or numbers.
Option A is a straightforward multiplication of 4 and -3, which gives -12.
Option C (2 × -6) is equal to -12.
Option B can be simplified as follows: (-4) - (-4) · (-4) = (-4) - 16 = -20.
Therefore, option B is not equivalent to 4 × -3.
Option D is equal to 1/64.
Option E is equal to 1.
Option F is equal to 2, and option G is equal to 12.
Options B, D, E, F, and G are not equivalent to 4 × -3.
Learn more about the expression here :
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#SPJ2
A grocer sells oranges in bags. Each empty bag weighs 2. 5 ounces and each orange weighs 7. 2 ounces. Khalil buys a bag of oranges that weighs 60. 1 ounces. Which equation can be used to find x, the number of oranges in the bag? 7. 2 x = 60. 1 2. 5 x 7. 2 = 60. 1 60. 1 minus x = 2. 5 7. 2 2. 5 7. 2 x = 60. 1.
The equation 60.1 = 7.2x + 2.5 can be used to find the number of oranges in the bag is 8.
What is the linear system?It is a system of an equation in which the highest power of the variable is always 1. A one-dimension figure that has no width. It is a combination of infinite points side by side.
Given
A grocer sells oranges in bags. Each empty bag weighs 2.5 ounces and each orange weighs 7.2 ounces.
Khalil buys a bag of oranges that weighs 60.1 ounces.
Let x be the number of oranges.
Then the equation will be
y = 7.2x + 2.5
For y = 60.1, the value of x is
[tex]\rm 60.1 = 7.2x + 2.5\\[/tex]
On simplifying, we have
x = 8
Thus, the number of oranges in the bag is 8.
More about the linear system link is given below.
https://brainly.com/question/20379472
Can anyone help please
Answer:
Monday: 25
Tuesday: 121
Wednesday: 15
Step-by-step explanation:
Monday: square numbers
[tex] {1}^{2} = 1 [/tex]
[tex]2 {}^{2} = 4[/tex]
[tex] {3}^{2} = 9[/tex]
[tex] {4}^{2} = 16[/tex]
[tex] {5 }^{2} = 25[/tex]
[tex] {6}^{2} = 36[/tex]
Tuesday: add a power of 3
[tex] {3}^{1 } = 3[/tex]
[tex] {3}^{2} = 9[/tex]
[tex] {3}^{3} = 27 [/tex]
[tex] {3}^{4} = 81[/tex]
1+3=4, 4+9=13, 13+27=40, 40+81=121
Wednesday: one less than a power of 2
[tex] {2}^{1} - 1 = 2 - 1 = 1[/tex]
[tex] {2}^{2} - 1 = 4 - 1 = 3[/tex]
[tex] {2}^{3} - 1 = 8 - 1 = 7[/tex]
[tex] {2}^{4} - 1 = 16 - 1 = 15[/tex]
[tex] {2}^{5} - 1 = 32 - 1 = 31[/tex]
[tex] {2}^{6} - 1 = 64 - 1 = 63[/tex]
Will give brainliest!!
Answer:
I'm am pretty sure that it is c it can't be a or b
assuming all variables are positive, use properties of logarithms to write the expression as a sum or difference of logarithms or multiples of logarithms. log8 9x
[tex]\textit{logarithm of factors} \\\\ \log_a(xy)\implies \log_a(x)+\log_a(y) \\\\[-0.35em] ~\dotfill\\\\ \log_8(9x)\implies \log_8(9)+\log_8(x)[/tex]
Which of the following is equal to 3.8 × 8?
A: (3 + 8) × (0.8 + 8)
B: (3 × 8) + (0.8 × 8)
C: (3 × 8) × (0.8 × 8)
D: (3 × 8) + (0.8 × 3)
NEED ANSWER ASAP LIKE NOW ASAP PLEASE!!!
Megan uses 2/3 cup of almonds to make 4 cups of trail mix. Using the same porportion,how many cups of almonds would Megan need to make 9 cups of trail mix.
Question 8
Which equation is NOT a linear function?
y = 4x - 12
y = 17
II
y = x-2
y = 5x
Find the value of x iready
Find the price
of a $45 phone
case after
a 15% discount
Answer:
It would be $35
Step-by-step explanation:
hope this helps
15 percent of 45 is 6.75
45- 6.75 is 38.25
The price after a 15% discount is $38.25
how would i find the perimeter and area of this
Answer: P: 6x - 6 + (pi * x/2) A: 3x^2 - 3x - (pi * (x^2)/4)
Step-by-step explanation:
The missing section is a quarter of a circle. It is the same length at 90 degrees difference following an arc. This radius is X, same as the smaller length of the rectangle. The longer length of the rectangle is 2x-3+x, or 3x-3.
Area: Rectangle area is X * (3x-3) or 3x^2 - 3x. Subtract the missing piece. The full area of the circle would be pi * x^2. Divide by 4 for a quarter circle. So the full area would be 3x^2 - 3x - (pi * (x^2)/4).
Perimeter. x + 2x-3 + 3x-3 + the arc. The arc is a quarter of the circle's circumference. pi * 2x over 4. So total perimeter would be 6x-6 + (pi * 2x/4 or pi * x/2).
Just my best guess tho
A standard die is rolled two
times. What is the probability
that it lands on 1 both times
Answer:
1/6
Step-by-step explanation:
If you roll a 1 then on the second roll (for a fair 6 sided die) the probability that the second roll is a 1 is 1/6 (assuming independence.
Answer:
1/6
Step-by-step explanation:
If the die is fair (and we will assume that all of them are), then each of these outcomes is equally likely. Since there are six possible outcomes ( A standard die has 6 Number { 1,2,3,4,5,6 } ) , the probability of obtaining any side of the die is 1/6. The probability of rolling a 1 is 1/6, the probability of rolling a 2 is 1/6, and so on.
[RevyBreeze]
Twelve is fourteen plus an un-
known number.
Answer:
The unknown number is -2
Step-by-step explanation:
Let n represent the unknown number then...
12=14+n
Subtract 14 from both sides:
12-14=14-14+n
-2=n
n=-2
How do i solve this im kinda confused
Answer:
A:2
B:-5
C:8
D:-147
Step-by-step explanation:
A: For this one, you can cancel out the negatives. Then just divide 14 by 7. Your final answer is 2. Final Answer : 2
B: This one you can forget about the negative for the first bit. Just divide 15 by 3 to get 5. Now the negative is only on one side of the equation so therefore we add the negative back into our answer. Final Answer : -5
C: Just divide 32 by 4 to get 8. No removal or substitution is needed for this one because both numbers are positive. Final Answer : 8
D: Multiply both numbers normally forgetting about the negative at first. 49 * 3 is 147. Now one of our numbers contain a negative so we plug back the negative into our answer. Final Answer : -147
a/40 = 3/10 solve the proportion.
a =12
Answer:
Since
a
b
=
c
d
,
we can use an algebraic technique, to get the value of
a
, by isolation and using the golden rule of algebra, "Balancing the equation"
a
40
=
3
10
to isolate
a
, we must eliminate
40
in the left side of the equation by multiplying it by
40
, the golden rule of algebra states that whatever you do in a side of an equation is you also must do it in the other side to keep the equation balanced.
(
40
)
a
40
=
3
10
(
40
)
40
a
40
=
(
40
)
(
3
)
10
a
=
120
10
, we can still simplify the answer giving,
what fraction of a kilolitre is 250ml ?
Solution:
Note that:
1 kiloliter = 1,000 liters = 1,000 x 1,000 mm = 10,00,000 mL250 mL = 0.25 LPutting this in fraction form:
=> 0.25/1,000=> 1/4,000The fraction of a kiloliter of 250ml is 1/4,000.
I need help with this
i dont know what to put can you help
Answer:
Step-by-step explanation:
m ∠ 1 = 42 °
m ∠ 2 = m ∠ 4 = m ∠ 9 = m ∠ 12 = ( 180° - 62° - 42° ) = 76 °
m ∠ 3 = m ∠ 6 = m ∠ 7 = 62 °
m ∠ 5 = m ∠ 8 = ( 180° - 62° ) = 118 °
m ∠ 10 = m ∠ 11 = ( 180° - 76° ) = 104 °
A textbook store sold a combined total of 480 physics and history textbooks in a week. The number of physics textbooks sold was three times the number of history textbooks sold. How many textbooks of each type were sold?
Answer:
120 history textbooks
360 physics textbooks
Step-by-step explanation:
Physics textbooks = 3 times the amount of history textbooks
History textbooks = x
Physics textbooks = 3x
480 = x + 3x
= 4x
480/4 = x
x = 120
120 history books sold
480-120 = 360
360 physics textbooks sold
btw sorry if I didn't give enough working or help you understand it I'm not great at this kind of thing
Solve for b
2(-2b+3)=9
Answer:
b=-3/4 or b=-0.75
Step-by-step explanation:
[tex]2(-2b+3)=9[/tex]
[tex]2b+3=\cfrac{9}{2}[/tex]
[tex]-2b=\cfrac{9}{3} -3[/tex]
[tex]-2b=\cfrac{3}{2}[/tex]
[tex]b=-\cfrac{\frac{3}{2} }{2}[/tex]
[tex]b=-\cfrac{3}{2\times 2}[/tex]
[tex]b=-\cfrac{3}{4}[/tex]
Hope it helps! :)
a +3 1/4 = 5 2/9
What’s the answer
Answer:
a = 1.972
Step-by-step explanation:
a + 3 1/4 = 5 2/9
find a common denominator
a + 3 9/36 = 5 8/36
a = 5 8/36 - 3 9/36
a = 188/36 - 117/36
a = 71/36
a = 1.982
Can someone help me please
Area of trapezium= 1/2 × (a+b) × h
= 1/2 × (12 + 8) × 8
= 1/2 × 20 × 8
= 10 × 8
= 80 cm^3
Hope it helps you
Find the coordinates of point C on AB that is = of the distance from A to B.
Answer:
We need to see the graph can u show me the graph
Step-by-step explanation:
?
Solve system of equation:
7x - 4y = 1
5x - y = -16
Answer:
X= -5
y= -9
Step-by-step explanation:
7x -4y = 1
4(5x -y = -16)
(7x - 4y = 1) - (20x -4y = -64)
X= -5
y= -9
Nancy Drew runs an ice cream shop. She is determining how many employees should work next week and at what times. She is performing which management function?
The management function being performed by Nancy according to the description is; Scheduling/Planning
Management FunctionsManagement functions simply is a collection of the five broad activities that managers perform in a bid to achieve organizational goals which includes:
Planning,Organizing,Staffing,Directing, andControllingRead more on management functions;
https://brainly.com/question/17083312
Which of these equations has no solution?
A. m = 0
B. m = m
C. 2m + 1 = m – 2
D. m + 4 = m – 4
HURRY PLEASE
Answer:
a
Step-by-step explanation:
m=0
it is the equations that did not have solution
sketch the graph of f(x)=-3^x and describe the end behavior of the graph.
Answer: 3-
Step-by-step explanation:
Please answer in simplified, rationalized form and don’t round
Answer:
4.359/10
Step-by-step explanation:
someone please help me with this
Answer:
not similar; corresponding sides are not proportional
Step-by-step explanation:
If the triangles were similar, corresponding sides would be proportional. That is, you would have ...
AX/AB = AY/AC
Here, those ratios are ...
6/24 ≠ 10/35
so, the corresponding sides are not proportional, and the triangles are not similar.