given: 3 − 2(x + 4) = 13 prove: x = −9
Answers
Answer:
I hope this helps:))
Step-by-step explanation:
3 - 2x - 8 = 13
Combine like terms
-5 - 2x = 13
Add 5 to both sides
-2x = 18
Divide by -2
You would get x = -9
Related Questions
(Geometry)
Find the value of X
Show work
Answers
Value of X is ——
1) x = 7
PLS HELP ME!!!!!! !!!!!!!!!!!!!”
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its D
Solution:
[tex] \sqrt{60 } = \sqrt{4 \times 15} = \sqrt{4 } \times \sqrt{15} = 2 \sqrt{15 \: } \: ans[/tex]URGENT PLS!!!!!!!!!!!!!!
Answers
Answer:
A
Step-by-step explanation:
Translate (4, -4) to the right 3 units.
Then reflect the result over the y-axis.
What are the coordinates of the final point?
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add 3 to the x because it's moving right on a graph 3 units so 4+3 is 7, now flip the y sign into a postive since you reflected it over the y axis
In ΔHIJ, the measure of ∠J=90°, the measure of ∠H=71°, and JH = 2 feet. Find the length of IJ to the nearest tenth of a foot.
Answers
Answer:
IJ is 5.8 ft
Step-by-step explanation:
Here, we want to calculate the length of IJ
to Find IJ, we need the appropriate trigonometric ratio
The trigonometric ratio to use in this case is the one that connects the opposite and the adjacent
from the question, IJ is the opposite
This is the side facing the given angle
HI is the hypotenuse which is the side facing the right-angle
HJ is the third side which is the adjacent
Mathematically;
That is the Tan
Tan 71 = IJ/2
IJ = 2 Tan 71
IJ = 5.8
Triangle A B C. Side A C is 10 and side A B is 5. Angle C is 30 degrees. Triangle D E F. Side E D is 7.5 and side D F is 25. Angle F is 30 degrees and angle E is 90 degrees. Which similarity statements describe the relationship between the two triangles? Check all that apply. Triangle C B A is similar to triangle F E D Triangle C B A is similar to triangle F D E Triangle B A C is similar to triangle E F D Triangle B A C is similar to triangle E D F Triangle A B C is similar to triangle D E F Triangle A B C is similar to triangle D F E
Answers
Answer:
Triangle B A C is similar to triangle E D F
Step-by-step explanation:
That's by SAS Theorem.
Hope you got it this may helps u ???
-7x-1(10-x)=-58
Using the the distributive property equation
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______________________________
1.) To find the opposite of 10−x, find the opposite of each term:[tex]10[/tex] × [tex]-1=-10[/tex][tex]-x[/tex] × [tex]-1=-x[/tex]- This is another way of saying multiply each side by -1.
2.) Find the opposite of −x:[tex]-x=x[/tex]
- Since we have 2 negatives next to each other, one must be turned into a positive, in this case it's the x.
3.) Combine −7x and x:[tex]-7x+x=-6x[/tex]
- Combine them because you can only have one variable (x) in the end.
4.) Add 10 to both sides:[tex]-10+10=[/tex][tex]-58+10=-48[/tex]
- We do this to get rid of not only the 10 but the other numbers as well, and the only way to do so it to cancel them out.
5.) Divide both sides by −6:[tex]-6x[/tex] ÷ [tex]-6=x[/tex][tex]-48[/tex] ÷ [tex]-6=8[/tex]- We do this to get x alone with one number left over, and the only way to do so is to cancel everything out by dividing.
______________________________
3. Stamps are sold in a 10 by 10 sheet. The total value of a sheet of stamps is $60.00.
a) Express the number of stamps as a power and in standard from
Answers
Answer:
There is a total of 100 stamps, or 10² stamps.
Explanation:
10•10=100 (standard form)
100 can be written as 10² in scientific notation (power)
Why can't you have a shoe size of 4.5 and a height of 72 inches?
Answers
Answer:
Ok, lemme say something.
4.5 shoes are for 9 inch feet.
Dont think a 6 foot person is gonna fit tbh.
Step-by-step explanation:
A shoe size is for relation to feet size. Your feet grow from your height too, along with weight. If you are 6 feet, your feet are gonna be more than at least 1 foot.
4.5 shoes are for 9 inch feet
1 foot = 12 inches.
12 > 9.
12-9=3.
Malachi bought a new fishing rod. The regular price of the fishing rod was $125.99. He bought it on sale with a 15% discount. Sales tax of 3% is applied to the discounted total. What was the sale price with tax of Malachi’s fishing rod to the nearest cent.
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Answer:
$3.21
Step-by-step explanation:
creepiest joke get brainiest or whateves results in about 10 minuets after it starts good luck
Answers
Answer:
what does a pokemon do when your in the shower
Step-by-step explanation:
pikachu
Answer:
A woman is walking through the woods at night with a serial killer.
She says to her companion, "Man, this forest is really creepy at night. I wish we weren't out here."
He replies, "You think you have it bad? I have to walk home alone!"
Helpppp Number 9 pleaseeeee
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SOMEONE HELP ASAP!!!!!
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Answer:
A. y=[tex]\frac{3}{2}[/tex]x-3
B.y=[tex]\frac{-3}{4}[/tex]x-3
Step-by-step explanation:
Okay so essentially, the first thing you need to do is find the slope and y intercept for each equation. To find the slope, I like to look at the two points and divide the rise (How much it goes up or down) by the run (How much it moves left or right). For A the rise is 6 and the run is 4, so the slope is 6/4 or 3/2. To find the equation for A, you also need the y-intercept which is just the y value (how high up or down) it is when it crosses the y axis. In graph a, this is at -3. Because the equation of a line is y=mx+b (m being slope and b being y intercept), we know the equation for a is y=[tex]\frac{3}{2}[/tex]x-3. We can do the same thing for B. The rise is -3 and the run is 4, so the slope is -3/4. The y value when x is equal to zero is 2, so that is the y intercept. The equation is y=[tex]\frac{-3}{4}[/tex]x-3
i need help on this question
Answers
2. divided both sides by two
The local water supply has a leak, it is losing 4 gallons of water every second.
After 15 seconds, the water level is at 1024 gallons. Write an equation to
represent the situation: *
Answers
Answer:
An equation to represent the situation would be:
[tex]y = 4x + 964[/tex]Step-by-step explanation:
Given that the water supply is losing 4 gallons of water every second.
It means the rate of change = 4 gallons per second
Given that after 15 seconds, the water level is at 1024 gallons.So the equation becomes
1024 = 4(15) + b
comparing with the slope-intercept form of the equation of a line
[tex]y = mx+b[/tex]
where m is the slope (rate of change) and b is the y-intercept
so
[tex]1024 = 4(15) + b[/tex]
[tex]1024 = 60 + b[/tex]
[tex]1024 - 60 = b[/tex]
[tex]b = 964[/tex]
So, the value of y-intercept i.e b=964
Thus, the equation will be
[tex]y = mx+b[/tex]
substituting the value rate of change i.e m = 4 and b=964
[tex]y = 4x + 964[/tex]
Therefore, an equation to represent the situation would be:
[tex]y = 4x + 964[/tex]5) James wants to visit his sister Sarah. He
knows C Street is a shorter distance than taking
A Street and B Street. How many miles is C
Street? (GE: 2nd)
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1) x + y = -15
2) 2y+ 8x = 1
3)-2x + y = 1
4) 3y - 2x = 9
5) 2y = -1x - 8
6)y -4 = -3(x-3)
Answers
Answer:
Use Calculator
Step-by-step explanation:
E
leo borrowed money for a new car from the bank. after month 1, the loan balance was $14760. after month 2, the balance was $14,520. if this pattern continues what will the balance be after 3 years
Answers
Answer:
8,640
Step-by-step explanation:
20 POINTS NEED HELP ASAP WILL MARK BRAINLIST
Find f(3) for f(x) = -5x – 2
Answers
Answer:
-17
Step-by-step explanation:
F(3) find f(x) = -5x - 2
As u can see instead of x inside the parentheses it's a 3, meaning we have to replace x with 3 in the equation
f(3) = -5x - 2
f(3) = -5(3) - 2
f(3) = -15 - 2
f(3) = -17
Please help I will give brainliest
Answers
Answer
D
Step-by-step explanation:
Answer: option B
Step-by-step explanation:
if you use the number on the top of the shape on the right, then you have to compare it to the number on the top of the shape on the left. and vice versa for the numbers on the side of the shapes. it doesn't matter what number in the comparison goes on top of the fraction, but option C is the only answer with the correct calculations.
Tom has a collection of 30 CDs and Nita has a collection of 18 CDs. Tom is adding 1 CD a month to his collection while Nita is adding 5 CDs a month to her collection Find the number of months after which they 2. will have the same number of CDs.
Answers
Answer:
They will have the same amount of CDs on the third month
they will both have 33
Step-by-step explanation:
G(x)=4x-7
Find g(-9)
G(x)=x^2-4x+11
Find g(-7)
Answers
Answer:
1) -43 2)-10
Step-by-step explanation:
so for the first one you would enter -9 into all of the x's
g(x)=4x-7
g(-9)=4(-9)-7 ( you would get -36, then you would minus y. so the answer is -43!)
g(-9)=-43
second one would be the same thing
g(x)=x^2-4x+11
g(-4)=-7^2-4(-7)+11
g(-4)=-10
will give brainleast if u can solve this for me: (9✖️3)➕6(34➗678)=?
Answers
Answer:
3085
113
as a fraction!
Pls help ASAP
What is the y-intercept of the function f(x)=5•(1/6)^x?
A. (5,0)
B. (0,1/6) C. (0, 5)
D. (0,5/6)
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.
The model represents an equation.
what is the solution for this equation?
a x=3
b x=15
c x=5
d x=1
Answers
Answer:
D. x=1
Step-by-step explanation:
Image can be rewritten as 3x + 6 = 9.
Solve for x.
3x +6 = 9
Isolate x by subtracting 6 from both sides.
3x = 3
Get rid of the 3 by dividing by 3 on both sides.
x = 1
Hope this helped.
I’ll mark u as brainlist plss
Answers
Answer:
I think C.
Step-by-step explanation:
27.36 divided by 3.14 use compatible numbers to estimate the quotient
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Answer:
Step-by-step explanation:
you can round the numbers
27/3= 9
27.36 rounds down to 27 and 3.14 rounds to 3
Pls help me ill give brainliest
Do all 3 for brainliest pls
Answers
Answer:
16. 2x -3 + 2x -3 = 4x -6
x + 5 + x + 5 = 2x + 10
4x -6 + 2x + 10 =
6x+4Step-by-step explanation:
Please answer this question. The answer is 2.77cm but my teacher wants a two triangle solution.
Answers
9514 1404 393
Answer:
5.69 cm
Step-by-step explanation:
The mnemonic SOH CAH TOA can remind you of the relationships between angles and sides in a right triangle. Here, the useful ones are ...
Cos = Adjacent/Hypotenuse
Sin = Opposite/Hypotenuse
__
Using the first of these, we can find GD:
cos(52°) = GC/GD
GD = GC/cos(52°)
Using the second of these, we can find GH:
sin(64°) = GH/GD
GH = GD·sin(64°)
Substituting for GD, we find ...
GH = GC·sin(64°)/cos(52°)
GH ≈ (3.9 cm)(0.8988/0.6157)
GH ≈ 5.69 cm
_____
Additional comment
The length 2.77 cm given in your question is the approximate length of DH. That solution is DH = (3.9 cm)·cos(64°)/cos(52°) ≈ 2.7769 cm ≈ 2.78 cm.
Problems of this nature tend to be formulated different ways, so the specific answer will depend on the specific question. Angles and lengths and requested information may vary, even though the picture looks very similar. Read all the words.
Three different coins are tossed. What is P(tail, head or tail, head, or tail)
Answers
Answers:
Probability of landing all three coins on head: [tex]\frac{1}{8}[/tex]
Probability of landing all three coins on tail: [tex]\frac{1}{8}[/tex]
Probability of landing two coins on head and one on tail: [tex]\frac{3}{8}[/tex]
Probability of landing two coins on tails and one on head: [tex]\frac{3}{8}[/tex]
Step-by-step explanation (Read Carefully):
-How to calculate this is that there are three possible outcomes when tossing the three coins. So, if you group all the possible outcomes of heads and tails when tossing the three coins in one event, you’ll get eight events. Let’s take a look at it:
-A way to organize this is to have:
H = heads
T = tails
-Total of eight events, where each event is the probability of the three coins being tossed (possible events with equal probability, and order matters):
HHH
HHT
HTH
HTT
THH
THT
TTH
TTT
Now, let’s apply some questions:
⇒ Probability of landing all three coins on heads: [tex]\frac{1}{8}[/tex]
Explanation: Look at the events above. How many times (out of the eight events) that all three coins land on heads? Well, you can see that there is only one possible event that has HHH. So, the probability of landing all three coins on heads (out of the eight events) is [tex]\frac{1}{8}[/tex].
⇒ Probability of landing all three coins on tails: [tex]\frac{1}{8}[/tex]
Explanation: Look at the events above. How many times (out of the eight events) that all three coins land on tails? Well, you can see that there is only one possible event that has TTT. So, the probability of landing all three coins on tails (out of the eight events) is [tex]\frac{1}{8}[/tex].
⇒ Probability of landing two coins on heads and one on tails: [tex]\frac{3}{8}[/tex]
Explanation: Look at the events above. How many times (out of the eight events) where two coins land on heads and one on tails? Well, you can see that there are three possible events that include HHT, HTH, THH. So, the probability of landing two coins on heads and one on tails (out of the eight events) is [tex]\frac{3}{8}[/tex].
⇒ Probability of landing two coins on tails and one on heads: [tex]\frac{3}{8}[/tex]
Explanation: Look at the events above. How many times (out of the eight events) where two coins land on tails the one on heads? Well, you can see that there are three possible events that include HTT, THT, TTH. So, the probability of landing two coins on tails and one on heads (out of the eight events) is [tex]\frac{3}{8}[/tex].
I hope you understand and that this helps with your question! :)