Answer:
12.60
Step-by-step explanation:
Decide if it is always true or never true
1. 2(x+3)=5x+6−3x
2. x−3=2x−3−x
3. 3(x−5)=2(x−5)+x
Answer:
Q1.Let's solve your equation step-by-step.
2(x+3)=5x+6−3x
Step 1: Simplify both sides of the equation.
2(x+3)=5x+6−3x
(2)(x)+(2)(3)=5x+6+−3x(Distribute)
2x+6=5x+6+−3x
2x+6=(5x+−3x)+(6)(Combine Like Terms)
2x+6=2x+6
2x+6=2x+6
Step 2: Subtract 2x from both sides.
2x+6−2x=2x+6−2x
6=6
Step 3: Subtract 6 from both sides.
6−6=6−6
0=0
Answer:
All real numbers are solutions.
Q2.x−3=2x−3−x
Step 1: Simplify both sides of the equation.
x−3=2x−3−x
x+−3=2x+−3+−x
x−3=(2x+−x)+(−3)(Combine Like Terms)
x−3=x+−3
x−3=x−3
Step 2: Subtract x from both sides.
x−3−x=x−3−x
−3=−3
Step 3: Add 3 to both sides.
−3+3=−3+3
0=0
Answer:
All real numbers are solutions.
Q3.3(x−5)=2(x−5)+x
Answer:
There are no solutions.
Step-by-step explanation:
Hope I helped
Brainliest plz
Answer:
1. 8
2. -3
3. -15 or -10
Step-by-step explanation:
PLS DO ASAP I WILL GIVE BRIANLEST
Answer: Hope this helps even im not 100% sure
12. 2.3
13. 4/13
14. 8 7/11
15. 0.78
16. YES because pi is a repeating decimal
(Give me brainliest?)
Giving brainliest, and 50 points pls help
Answer:
1.x−7=4
Answer:
x=11
2.9+x=14
Answer:
x=5
3.x+7=16
Answer:
x=9
4.x+3=−18
Answer:
x=−21
5.17+x=18
Answer:
x=1
6.23=x−13
Answer:
x=36
7.4=x+12
Answer:
x=−8
8.19=x−6
Answer:
x=25
9.x−2=21
Answer:
x=23
10.x−7=−26
Answer:
x=−19
11.11=x+5
Answer:
x=6
Step-by-step explanation:
Hope I helped
Brainliest plz
PLEASE ANSWER DONT ANSWER IF YOU DO NOT KNOW
Answer:
6
Step-by-step explanation:
The first dot can tell you that there is a 6:1 ratio and this it is true for all, meaning if you have a 6:1 ratio, and you know 6 is Gallons of white and the one is from the orange.
Name the two consectuative integers that the square root of fifty four would be between. HELP ME OUT!!!!!
Answer:
7 and 8, since the square root of 54 is approximately 7.35
(please rate brainliest)
pls help i will give brianlest
for the first one ita
1(exponent of 3)
for the second it's
12 (exponent of 2)
make sense?
Answer:
well the answer to number one will just be 1'3 keep in mind that 3 should be on top of the 1 and for the second one 12*12 just put 12'2 remember the 2 should be on top of the 12 I hope u do good good luck man
Step-by-step explanation:
Why does Brainly say that I had swear words in my Question?
I just wanted to teach people the Standard Galactic Alphabet :(
Answer:
lol you most likely put a bad word in that launguage...
CAN SOMEONE HELP ME PLEASE!!!!!!!!!!!
Answer:
40m
Step-by-step explanation:
Multiply 20 Times and 8 miles
Could someone please explain how to plot the y-intercept of the first equation and what the answer would be? If you explain well I'll give you brainliest.
Answer:
The y intercept would be -4.
Plot as (0, - 4)
I need help ~again~ o.O
Answer:
A= (2,4)
B= Infinitly Many Solutions
Step-by-step explanation:
Write the slope intercept form of the equation of each line.
Answer:
9) y = -x + 5
10) y = -7/2x - 5
11) y = x - 1
12) y = -5x/3 - 3
13) y = -4x/1
I'm not 100% sure for some of these answers since the pic is a bit blurry, but they're pretty accurate.
State if each pair of ratios forms a proportion....EXPLAIN AS WELL PLS!!!
1.) 10/16 and 2/4
2.) 2/3 and 8/15
3.) 10/9 and 2/3
4.) 16/12 and 2/4
5.) 4/2 and 16/8
6.) 6/16 and 3/4
7.) 9/6 and 3/2
8.) 9/12 and 3/4
9.) 10/12 and 2/3
10.) 4/2 and 20/6
11.) 4/2 and 24/8
12.) 4/3 and 16/18
Answer:
1. 4/12 , 6/8
2. 16/12 , 3/4*
3. 3/2 , 15/14
4. 10/16 , 5/8
10/16 = 5/8
Which ratio forms a proportion with 9/15?
1. 6/10
2. 16/21
3. 36/50
4. 45/70
9/15 = 3/5 which is 6/10
A textbook weighs 2.5 pounds. How many kilograms does the textbook weighs? Round your answer to the nearest tenth of a pound. 1 kg = 2.2 lb
1. 1.1 kg
2. 1.8 kg
3. 5.5 kg
4. 4.7 kg
2.5 lbs * (1 kg/2.2 lbs) =
Solve the proportion using number sense. 2/8 = x/ 48
1. 6
2. 12
3. 16
4. 8
8 * 6 = 48
so what is 2 times 6 ?
or another way
1/4 * 48 = 12
Solve the proportion using cross products. 18/20 = k/110
1. 99
2. 122
3. 3.3
4. 2.9
20 k = 18*110
2 k = 18 *11
k = 9 * 11
Are the ratios 8/12 and 10/25 proportional? Explain
8/12 = 2/3
10/15 = 2/3 so no way 10/25 is 2/3
A 10-acre field produced 750 bushels of corn. At the rate, how much corn can be produced from a 14-acre field?
14 acres * ( 75 bushels/acre)
or
10/750 = 14/x
Step-by-step explanation:
hope this help and plz mark me a brainiest
What is the measure of
Answer:
b. 120
Step-by-step explanation:
the 60 degree angle is supplementary to angle m. 180-60=120
Esther is participating in a walk-a-thon. She will raise 5 dollars for her charity for each lap she walks.
Let l = the number of laps she walks
Let d = the number of dollars she raises
independent variable = number of dollars; dependent variable = number of laps
independent variable = number of charities; dependent variable = number of people
independent variable = number of dollars; dependent variable = number of people
independent variable = number of laps; dependent variable = number of dollars
Answer: independent variable = number of laps; dependent variable = number of dollars
Step-by-step explanation:
The number of laps walked isn't influenced by anything so it is the independent variable while the number of dollars is influenced by the number of laps making it the dependent variable.
Find the unit rate: 340 birds seen in 5 hours
340/5 = 60 tjhflkjernf eworigfj oaeiwrjf okrijfg [poeirjg [apwoierj a[wporgj [aopirwjgj [paoirweij oierj [apiowrj [irjg
Answer:
68 b/h (birds per hour)
Step-by-step explanation:
340 ÷ 5= 68
Alice spins the spinner 2 times.
What is the probability that the spinner stops on A and then B, or on B and then A?
1/9
2/9
1/3
5/9
Answer:
2/9
Step-by-step explanation:
because there is 3 so 3x3 =9
there is 2 spots where they want it to land
Can someone explain how to do this? I'm so confused and I have a test on it tomorrow.
Answer:
You have to know how to do exponents.
Step-by-step explanation:
For example, 6r2 x 2r6 = 36r x 64r = 2,304r
I am not sure if this is exactly how you do it.
Answer:
Sorry if I'm wrong but...…..
I think the first one is an equation and it's a fraction with powers. (4 and 5).
The next one is a fraction and it is to the power of the number above you have to figure out if you have to multiply the powers with the number under it add them and divide or multiply them by the other number.
The third one is a multiplication problem you have to figure out what "r" is to figure it out you have to do 6 to the 2nd power to get r and you have to do 2 to the 6th power to get the other r. Then multiply the numbers together tp get the answer.
Hope this helps!
- Hannah
Marsha deposited $7,000 into a savings account years ago. The simple interest rate is 4%. How much money did Marsha earn in interest?
interest= $___ · ___ · ___x years.
Answer:
280$ per year
Step-by-step explanation:
The interest earn by Marsha is $280 a year and interest = $280x for x years.
What is Simple Interest?Simple interest is a quick and simple approach to figure out how much money has accrued interest. Interest is always applied to the original principal amount and is calculated at the same rate for each period of time. Any bank where we deposit money will pay us interest on that amount.
Given amount deposited = principal = $7,000
rate = 4%
simple interest = PRT/100
where p = principal, T = time, R = Rate
Interest for 1 year = PRT/100 = (7000 x 4 x 1)/100
Interest for 1 year = 28000/100
Interest for 1 year = $280
and interest for x years = $280x
Hence $280x is interest for x years.
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Makayla and Ember went shopping for OD gear and spent $262.00. If the tax rate is 5%, what is Makayla and Ember’s total after tax?
$267.00
$1,310.00
$275.10
$13.10
Answer:
$275.10Step-by-step explanation:
5% of 262 = 13.10
262 + 13.1 = $275.10
So, the answer is 275.10 Dollars
Hope this helps! <3
Hey o again answer this ppl
Answer:
5.35
Step-by-step explanation:
Divide 7 by 20 to calculate the decimal
The answer is: 5.35
Brittany bought a dress that cost $22.50. If the sales tax is 6.5%, how much tax did she pay? PLZZ ITS TIMED
Start with your $22.50 subtotal (cost without tax)
Then, solve for 6.5% of $22.50
Set your equation up like so: 6.5/100=x/22.50
Cross multiply then you should have 100x=146.25
Solve to get 1.4625% (If you need it rounded, it's 1.5%)
1.5% ----> $1.46
$22.50+$1.56=$23.96
She spent $23.96
I'm pretty sure the answer's $1.46.
($1.46 is the amount of tax, not the total)
Hope this helped, please mark brainiest!
HELP PLEASEEEEEEEEEEEEEEEEEEEEEEEEEEE
I NEED HELP
Answer:
234
Step-by-step explanation:
Step-by-step explanation:
1. 1 3/8
2. (1) 8/24 (2) 1/3 (3) 2/6
Which of the following is NOT a characteristic of eukaryotes? A. unicellular B.has a nucleus C. has membrane-bound organelles D.multicellular
be quick plz
Answer:
D. Multicellular
Step-by-step explanation:
Because eukaryotes are single cell..
Answer:
C
Step-by-step explanation:
well eukaryotes are able to be either unicellular, or multicellular so A and D ore not correct.
eukaryotes have a nucleus so B is wrong as well.
Maria decides to use the method of proportions and similar
triangles to find the height of a tree. She measures the length of the
tree's shadow and finds it is 44 feet long. Then she holds a 12-inch
ruler perpendicular to the ground and finds that it casts an 8-inch
shadow. How tall is the tree?
a. 5.5 ft c. 66 ft
b. 29 ft d. 132 ft
Answer:
b
Step-by-step explanation:
If ABC undergoes a dilation of scale factor 3 centered at the origin, what will be the coordinates of the image of point B?
Answer:
just use the original coordinates and add 3 too it . I am a mathematician and a math tutor
Step-by-step explanation:
John decides to use the method of proportions and similar
triangles to find the height of a tree. He measures the length of the
tree's shadow and finds it is 51 feet long. Then he holds a 12-inch
ruler perpendicular to the ground and finds that it casts an 18-inch
shadow. How tall is the tree?
a. 3 ft c. 76.5 ft
b. 34 ft d. 204 ft
Answer:
i believe the answer is A please tell me if im wrong
The value of y varies directly with x, when y = 36, and x = 9. What is the equation for the relationship?
Answer:
4x = y
Step-by-step explanation:
If y is 36 and x is 9, you know 9 x 4 = 36. So it would be 4x = y
which pints are solutions tot he equation y=11x?
select all that apply
(-9,99)
(11,144)
(3,33)
(-17,-187)
(3/11,3)
The solutions of the equation y = 11x are;
⇒ (3, 33)
⇒ (-17, -187)
⇒ (3/11, 3)
What is Equation of line?
The equation of line passing through the points (x₁ , y₁) and (x₂, y₂) with slope m is defined as;
y - y₁ = m (x - x₁)
Where, m = (y₂ - y₁) / (x₂ - x₁)
Given that;
The equation is,
y = 11x
Now,
The solutions of the equation is always satisfy the equation of line.
So, we check all the points as;
First point (x , y) = (- 9, 99)
Substitute in the equation, we get;
y = 11x
99 = 11 x - 9
99 ≠ - 99
Thus, This is not a solution.
Second point (x , y) = (11, 144)
Substitute in the equation, we get;
y = 11x
144 = 11 x 11
14 ≠ 121
Thus, This is not a solution.
Third point (x , y) = (3, 33)
Substitute in the equation, we get;
y = 11x
33 = 11 x 3
33 = 33
Thus, This is a solution.
Fourth point (x , y) = (- 17, - 187)
Substitute in the equation, we get;
y = 11x
- 187 = 11 x - 17
- 187 = - 187
Thus, This is a solution.
Fifth point (x , y) = (3/11, 3)
Substitute in the equation, we get;
y = 11x
3 = 11 x 3/11
3 = 3
Thus, This is a solution.
Therefore, The solutions of the equation y = 11x are;
⇒ (3, 33)
⇒ (-17, -187)
⇒ (3/11, 3)
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When converted to speeds, which list is an order from slowest to fastest? 1. 17 miles in two minutes, 26 miles in four minutes, 33 miles in six minutes, 60 miles in eight minutes. 2. 17 miles in two minutes, 60 miles in eight minutes, 26 miles in four minutes, 33 miles in six minutes. 3. 33 miles in six minutes, 26 miles in four minutes, 60 miles in eight minutes, 17 miles in two minutes.4. 60 miles in eight minutes, 33 miles in six minutes, 26 miles in four minutes, or 17 miles in two minutes,.
either b or c. I am also not saying I am correct.
What fraction does Point A on the number line below represent?
a
fraction 3 over 8
b
fraction negative 3 over 8
c
fraction 6 over 8
d
fraction negative 6 over 8
Answer:
3 over 8
Step-by-step explanation:
It's three ticks to the right of zero, so its positive
Answer: a
Step-by-step explanation: