Answer:
[tex]\boxed {\boxed {\sf (5,-4)}}[/tex]
Step-by-step explanation:
We are given the equations:
[tex]3x+2y=7 \\y=3x-19[/tex]
Since we know what y is equal to, we can substitute that expression in for y in the first equation.
[tex]3x+2(3x-19)=7[/tex]
Distribute the 2. Multiply each term inside the parentheses by 2.
[tex]3x+(2*3x)+ (2*-19)=7[/tex]
[tex]3x+6x+-38= 7[/tex]
Combine the like terms (the terms with variables).
[tex]9x-38=7[/tex]
Since we are solving for x, we must isolate the variable. 38 is being subtracted and the inverse of subtraction is addition. Add 38 to both sides.
[tex]9x-38+38=7+38 \\9x=7+38\\9x=45[/tex]
Now x is being multiplied by 9. The inverse of multiplication is division. Divide both sides by 5.
[tex]9x/9=45/9\\x=45/9\\x=5[/tex]
Now we know what x is equal to and can substitute the value into the second equation.
[tex]y=3x-19[/tex]
[tex]y=3(5)-19[/tex]
Multiply.
[tex]y=15-19[/tex]
Subtract.
[tex]y= -4[/tex]
Coordinate points are written as (x,y). Therefore, the solution is (5, -4).
Answer:
x=5,y=-4
Step-by-step explanation:
[[tex]\frac{3x+2y=7}{y=3x-19}[/tex]][3x+2(3x-19)=7][9x-38=7]y=3 · 5 - 19x=5,y=-4Math question please help
Answer:
m=15.50h+127
Step-by-step explanation:
She will get $15.5 for each hour (h) so that is the slope. She started with $127 so that is the y-intercept.
P.S. If this helped please consider giving brainliest.
Answer:
m = 15.50h + 127
Step-by-step explanation:
Can anyone help me with this please?
Do not answer if you do not know.
Answer: a
Step-by-step explanation:
If nkf ~ lzf, find nf, please help me with this it’s due tmr!!!!
Answer:
NF = 25
Step-by-step explanation:
Since ∆NKF ~ ∆LZF, the ratio of their corresponding side lengths would also be the same.
This means that:
KF/ZF = NF/LF
KF = x + 3
ZF = 4
NF = 15 + x + 3 = x + 18
LF = x + 3
Plug in the values into the equation
(x + 3)/4 = (x + 18)/(x + 3)
Cross multiply
(x + 3)(x + 3) = (x + 18)(4)
x² + 3x + 3x + 9 = 4x + 72
x² + 6x + 9 = 4x + 72
x² + 6x + 9 - 4x - 72 = 0
x² + 2x - 63 = 0
Factorize to find x
x² + 9x - 7x - 63 = 0
x(x + 9) -7(x + 9) = 0
(x + 9)(x - 7) = 0
x + 9 = 0 or x - 7 = 0
x = -9 or x = 7
We'd use the positive value of x, which is 7.
Therefore, x = 7.
✅NF = 15 + (x + 3)
Plug in the value of x
NF = 15 + (7 + 3) = 15 + 10
NF = 25
2 2/6 ×3 what's the answer???
2 2/6 times 3 is 7. Hope that helps!!
(8+6×6)/11+7×2 plssssssssssssss anyoneeeeee
Answer:
it 18
Step-by-step explanation:
:D
PLS HELP !!!!! :( this is really hard please I need help
Answer: At least 13
Step-by-step explanation:
Order these numbers from least to greatest.
2.5, 2.304, 3.21, 2.34
Answer:
2.304, 2.34, 2.5, 3.21
Step-by-step explanation:
1. Look at the digit in the ones place. See how they are all 2s except for one 3? Well, now we know the one with the 3 must be the greatest, since 3>2.
2. Next, look at the digit in the tenths place. We have a 3, 3, and a 5. Since 5 > 3, we know thar 2.5 is the second greatest.
3. Last, look at the hundreths place. We have a 0 and a 4. Since 4 > 0, that means 2.34 is the third greatest.
4. Since this is from least to greatest, put 2.304 first and the others as follows in the answer. Hope this helps.
plsss helpppppp !!!!
Answer: 37°
Step-by-step explanation: Every triangle has a sum of 180 ° so you would add 31+112= 143 and subtract 143 from 180 which is the value of v, 37.
a fish swam 75 feet to the bottom of the river. The fish then swam up 35 feet towards the surface of the river and stopped. How deep is the fish in the river?
Answer:
40 feet deep
Step-by-step explanation:
:))
HELPPPPPPPPPPPPPPPPPPPPPPP
IT IS MEAN-MEDIAN MODE
A student made a chart to classify plates by the types of boundaries. What
crustal feature is most likely found between the Pacific and North American
Plates? *
Plates at boundary
South American/African
Eurasian/Pacific
North American/Eurasian
Pacific/North American
Type of boundary
Divergent
Convergent
Divergent
Transform
Your answer
Answer:
trench
Step-by-step explanation:
How can I show my work even though I already know the answer “Ella is building a rabbit pen. The area of the rabbit pen is 50 square feet.
Each rabbit needs at least 4 square feet of space. How many rabbits can
the pen hold?”
Answer:
12
Step-by-step explanation:
To show your answer just show 50 divided by 4.
What is another word for making something larger in a dilation
Answer:
expand enlarge
inflate lengthen
stretch broaden
open amplify
augment develop
Step-by-step explanation:
expand enlarge
inflate lengthen
stretch broaden
open amplify
augment develop
The following quadrilateral is a rhombus. The measure of angle E is 115
degrees. What is the measure of angle G?"
Answer:
<E=<G=115°
since opposite angle of rhombus is equal
What is the formula for the pythagorem theory
Answer:
C^2 = a^2 + b^2
The formula for the pythagorem theory
Find the axis of symmetry and the vertex of the graph of the function: y=-1/2x^2+4x-7
Answer:
axis x=4 & vertex (4,1)
If sinA = cosB, what is the relationship between A and B if A is obuse angled and B is acute angled ?
Answer:
According to the law of sines, \dfrac{AB}{\sin(\angle C)}=\dfrac{AC}{\sin(\angle B)}
sin(∠C)
AB
=
sin(∠B)
AC
start fraction, A, B, divided by, sine, left parenthesis, angle, C, right parenthesis, end fraction, equals, start fraction, A, C, divided by, sine, left parenthesis, angle, B, right parenthesis, end fraction. Now we can plug the values and solve:
\begin{aligned} \dfrac{AB}{\sin(\angle C)}&=\dfrac{AC}{\sin(\angle B)} \\\\ \dfrac{5}{\sin(33^\circ)}&=\dfrac{AC}{\sin(67^\circ)}\\\\ \dfrac{5\sin(67^\circ)}{\sin(33^\circ)}&=AC \\\\ 8.45&\approx AC \end{aligned}
sin(∠C)
AB
sin(33
∘
)
5
sin(33
∘
)
5sin(67
∘
)
8.45
=
sin(∠B)
AC
=
sin(67
∘
)
AC
=AC
≈AC
I need help on this and the first person that answer this correctly gets a BRANLIST(answer if you know)
Answer:
C
Step-by-step explanation:
Answer:
the currect answer is C
Step-by-step explanation:
There are 425 sheets of printer paper in every pack. If Zoey needs 6800 sheets of paper for her business each week, which equation shows how many packages of paper, P, she should buy? A. B. C. D.
Answer:
a
Step-by-step explanation:
if you roll 2 number cubes, what is the probability of rolling an odd number greater than 2 on both cubes
Answer4/6 or 8/12 i think sorry if im wrong
Step-by-step explanation:
Answer:
you have 1/3 chances
Step-by-step explanation:
A cube has six sides
6 + 6 = 12
you have to roll higher than 1 and 2, which both sides have
4/12 = .3333 = 1/3
Hope this is correct
find the value of given expression
[tex] \sqrt{29 \times 29} [/tex]
Answer:
29
Step-by-step explanation:
Which equation has infinitely many solutions?
A. 6x + 5 = 6x + 7
B. 6x + 7 = 5x + 7
C. 3(x + 2) – 1 = 3x + 1
D. 4(x + 1) – 3 = 4x + 1
One a map 3 centimeters represent 150 kilometers. If a line between two cities measure 4.5 centimeters, how many kilometers apart are they?
Probability part 2 is shunya is going to spin the spinner 200 times. (B) work out an estimate for the number of times the spinner will land on 3 (please show working out ) :)
im confused on this
Answer:
The correct answer would be g) The additional fee per yoga is $8.25 .
[tex] \frac{ {2}^{x + 2} - {2}^{ x + 3} }{ {2}^{x + 1} - {2}^{x + 2 } } [/tex]
I suppose you just have to simplify this expression.
(2ˣ⁺² - 2ˣ⁺³) / (2ˣ⁺¹ - 2ˣ⁺²)
Divide through every term by the lowest power of 2, which would be x + 1 :
… = (2ˣ⁺²/2ˣ⁺¹ - 2ˣ⁺³/2ˣ⁺¹) / (2ˣ⁺¹/2ˣ⁺¹ - 2ˣ⁺²/2ˣ⁺¹)
Recall that nª / nᵇ = nª⁻ᵇ, so that we have
… = (2⁽ˣ⁺²⁾ ⁻ ⁽ˣ⁺¹⁾ - 2⁽ˣ⁺³⁾ ⁻ ⁽ˣ⁺¹⁾) / (2⁽ˣ⁺¹⁾ ⁻ ⁽ˣ⁺¹⁾ - 2⁽ˣ⁺²⁾ ⁻ ⁽ˣ⁺¹⁾)
… = (2¹ - 2²) / (2⁰ - 2¹)
… = (2 - 4) / (1 - 2)
… = (-2) / (-1)
… = 2
Another way to get the same result: rewrite every term as a multiple of y = 2ˣ :
… = (2²×2ˣ - 2³×2ˣ) / (2×2ˣ - 2²×2ˣ)
… = (4×2ˣ - 8×2ˣ) / (2×2ˣ - 4×2ˣ)
… = (4y - 8y) / (2y - 4y)
… = (-4y) / (-2y)
… = 2
What is the volume of the box shown below?
1 cm
1 cm
1/4
cm
What is the absolute value of (-100) and why?
I need help again thanks
I know this is easy but I need help and im stuck.. First person who answer correctly gets a BRANILIST
Answer:
(D) 48
Step-by-step explanation:
106-10=96
96/2=48
Answer=(D) 48
Answer:
B) 43
Step-by-step explanation:
Basically its 10 dollars every year with 2 dollars a movie... so just minus the 10 dollars from 106, and divide by 2... in this case its 96/2 which is 43.