Answer: a = -5
Step-by-step explanation:
-3 (9a+2)=129
-27a -6 = 129
-27a = 129+6
-27a = 135
a = -135/27
Answer:
a= -5
Step-by-step explanation:
To solve the equation, we want to find out what a is. In order to do this, we have to get a by itself. Perform the opposite of what is being done to the equation. Keep in mind, everything done to one side, has to be done to the other.
-3(9a+2)=129
-3 is being multiplied by 9a+2. The opposite of multiplication is division, so divide both sides by -3.
-3(9a+2)/-3=129/-3
9a+2=129/-3
9a+2=-43
2 is being added on to 9a. The opposite of addition is subtraction, so subtract 2 from both sides.
9a+2-2= -43-2
9a= -43-2
9a= -45
a is being multiplied by 9. The opposite of multiplication is division, so divide both sides by 9.
9a/9= -45/9
a= -45/9
a=-5
What is the value of x?
Answer:
D. 75
Step-by-step explanation:
A triangle’s angles equal 180 degrees according to the Triangle Sum Theroem. So, 180-70-35=75.
PLZ MARK BRAINLIEST!!!
Answer:
D. 75 degrees
Step-by-step explanation:
The three angles of a triangle have to add up to be 180 degrees. 70+35= 105, and 180-105= 75. Therefore, the third angle must be 75 degrees in order for it to be a proper triangle.
Sam and Rachel both walk dogs in their neighborhood. Sam charges $15 per walk, plus
an hourly rate of $6.50. Rachel does not charge an initial fee, but charges $12 per hour.
Write an expression to represent how many hours they spend with one dog to make the
same amount of money.
Answer:
Call of duty. warzone=free
Step-by-step explanation:
you go ps store, you search warzone you click download then you wait how many hours. Then you play! And you dont answer this question :) :)
Find each percent
1. what percent of 140 is 28?
2. 45 is what percent of 360
3 What percent of 48 is 6
4. What percent of 65 is 29.9?
5. 14 is what percent of 80?
6. 20 is what percent of 50?
So,
the right answers:
20%
12.5%
12.5%
46%
17.5%
40%
Look at the attached picture
Hope it will help you...
Good luck on your assignment..
evaluate 0.1 m + 8 - 12 n when m = 30 and n = 1 /4
Answer:
[tex]8[/tex]
Step-by-step explanation:
[tex]0.1m + 8 - 12n \\ 0.1 \times 30 + 8 - 12 \times \frac{1}{4} \\ = 3 + 8 - 3 \\ = 8[/tex]
hope this helps
brainliest appreciated
good luck! have a nice day!
Which equation is the inverse of y= 9^2 - 4?
Answer:
kkjkkji888778
Step-by-step explanation:
Ruben wants to be professional photographer and is saving up to buy a new camera priced at $2,900. After searching for the best credit
plan, he chooses an installment plan that requires a 15% down payment and monthly payments of $250 for 12 months.
Ruben will need to pay
for the down payment. He will pay
in finance charges.
He will pay in finance charges is 535.
We have given that
Down payment = 435
Finance charge = 535
Down payment = 15% of 2900 = 435
What is the finance charge?A finance charge is any fee representing the cost of credit, or the cost of borrowing. It is interest accrued on, and fees charged for, some forms of credit. It includes not only interest but other charges as well, such as financial transaction fees.
Finance charge = {(250x12) +435}- 2900
Finance charge=535
He will pay in finance charges is 535.
To learn more about the finance charge visit:
https://brainly.com/question/12459778
#SPJ5
1.2,3,7.5,18.75 which formula can used to describe the sequence?
Answer:
[tex]a_n=1.2 \cdot 2.5^{n-1}[/tex]
Step-by-step explanation:
The first step is to realize that this is a geometric sequence, where each next term in the sequence is 2.5 times larger than the previous. You can confirm this by the fact that 3=1.2*2.5, 7.5=3*2.5, and 18.75=7.5*2.5. Now, you can write the formula, where n is where the number is in the sequence, and a is the number itself. Since 1.2 is the first term in the sequence and the rate of expansion is 2.5, the formula is:
[tex]a_n=1.2 \cdot 2.5^{n-1}[/tex]
Hope this helps!
Answer:
f(x)=[tex]1.2(2.5)^{x-1}[/tex]
Step-by-step explanation:
Help me please I really need help
Answer:
im pretty sure its A
Step-by-step explanation:
What is the area of the figure? 234 in.2 n 252 in.2 225 in.2 315 in.2
Answer: 4.179357e+9
U should add the picture next time so I could understand better if my answer was wrong.
Step-by-step explanation:
the_area_of_a_rectangle_is_252_square_feet_if_the_perimeter_is_66_feet_find_the_length_and_width_of_a_rectangleanswer-
Answer:252 in2
Step-by-step explanation:
I-Ready sucks, but this one's EZ
Which equation is represented by the graph below?
On a coordinate plane, a curve approaches y = negative 4 in quadrant 3 and then increases exponentially in quadrant 1. It crosses the y-axis at (0, negative 3).
Answer:
y = e^x - 4
Step-by-step explanation:
The missing options are
y = ln x - 3
y = ln x - 4
y = e^x - 3
y = e^x - 4
The function is defined in quadrant 3 and increases exponentially, then it is not a logarithm.
f(x) crosses the y-axis at (0, -3). Replacing x = 0 the last option, we get:
y = e^0 - 4 = 1 - 4 = -3
Answer:
y = e^x - 4
Step-by-step explanation:
Edge2020
What is 2 and 2/3+ 1 and 1/2
Enter a zero or leave the whole number box blank to enter
a fraction.
So you have to enter 4 inside the box.
Look at the attached picture
Hope it will help you
Good luck on your assignment
Please answer CORRECTLY !!!!!!! WILL MARK BRAINLIEST !!!!!!!!
Answer:
f(x)= [tex]-\frac{5}{4}x+2[/tex]
Step-by-step explanation:
A laboratory technician can clean 34 pipettes every hour with an automatic washer. How many can he clean in 12 minutes? (Hint: Both time periods must be in the same unit of measurement)
Answer:
7
Step-by-step explanation:
you can do a ratio where you have 34 over 60 then cross multiply that ratio with x over 12 and 60x=408 and it equals 6.8 but I am assuming you have to round up.
Answer: 6.8
Step-by-step explanation:
34 in 60 minutes
In 12 minutes = ( 12/60) * 34
The price of an item yesterday was
$
135
. Today, the price rose to
$
189
. Find the percentage increase.
step-by-step explanation: the increase = 204 - 120
increase = 84
percent increase = 84/120
percent increase = 70% so of course the percentage is 70% ( I hope this helps you )
Which inequality could represent the graph shown?
a. 2x - 6 < - 12
b. 6x> 5x +3
c. -5x + 6 < 21
d. 6x> 10x + 12
In the figure polygon ABCD is transformed to create polygon A’B’C’D’. This transformation is a ____ by a factor of ____.
Answer:
In the figure polygon ABCD is transformed to create polygon A’B’C’D’. This transformation is a horizontal stretch by a factor of 2.
Step-by-step explanation:
Dilation is a combination of vertical and horizontal stretch. In this case, the stretch os only horizontally applied.
We can see in the picture that the measure of figure ABCD in the x-axis is 2 units long and of Figure A'B'C'D' is 4 units long (double than ABCD). Then the stretch factor is 2.
Convert the rectangular equation x^2 + y^2 = 2y to polar form
a) r= 4 sin theta
b) r= 2 cos theta
c) r= 2 sin theta
d) r= 2 sec theta
Answer:
c) r= 2sin θ
Step-by-step explanation:
Remember, [tex]r=\sqrt{x^2+y^2} \\[/tex]
therefore,[tex]r^2=x^2+y^2[/tex]
Also y= rsin θ
Given rectangular equation:
x²+y²+ 2y
r²= 2(rsin θ)
r²= 2rsin θ
dividing r from both sides
r= 2sin θ
Answer:
b on edge 2022
Step-by-step explanation:
* It should take 5.22 minutes to clean a shower. You have 5 showers that need to be cleaned. How many minutes should it take for you to clean all 5?
Answer:
26.1 minutes
Step-by-step explanation:
If you multiply 5.22 times 5 equals 26.1 to clean all 5. You just needed to multiply.
Hope this helps!!! PLZ MARK BRAINLIEST!!!
Answer:
26.1 minutes
Step-by-step explanation:
At Izzo's, t-shirts sell for $17.56 and cost $12.01 to produce. Which equation represents p, the profit in terms
of x, the number of t-shirts sold?
A: p = $17.56X - $12.01
B: p = x($17.56 + $12.01)
C: p = $17.56 + $12.01x
D: p = X($17.56 - $12.01)
Answer:
The answer would be D, because it all depend on the quantity.
Step-by-step explanation:
Answer:
Step-by-step explanation:
A
How many points are 3 units from the y-axis and 1 unit from (4,1)?
Intuitively we're being asked how many points on the radius 1 circle centered at (4,1) are three units from the y axis. The answer is pretty obviously
Answer: One point
We'll work it out the usual way.
Let's give coordinates (x,y) to a point 3 units from the y axis and 1 unit from (4,1).
The x coordinate tells us how far we are from the y axis. 3 units from the y axis means
|x| = 3
x = ±3
One unit from (4,1) means
(x - 4)² + (y - 1)² = 1²
Let's try x=-3
(-7)² + (y - 1)² = 1
(y - 1)² = -48
No solution there
Let's try x=3
(3 - 4)² + (y - 1)² = 1
(-1)² + (y - 1)² = 1
(y - 1)² = 0
y - 1 = 0
y = 1
So (3,1) is the only point 3 units from the y axis and 1 unit from (4,1).
That verifies our answer above.
What is the volume of a cube with a side length of 14 inches?
392 in 3
196 in 3
42 in 3
2744 in 3
Solve the equation 8.88 = 4.44(x − 7)
Answer & Step-by-step explanation:
8.88 = 4.44(x - 7)
Distribute 4.44 to (x -7).
8.88 = 4.44x - 31.08
Add 31.08 on both sides of the equation.
39.96 = 4.44x
Divide 4.44 on both sides of the equation.
9 = x
So, the value of x is equal to 9.
Answer:
x = 9
Step-by-step explanation:
Multiply the parentheses by 4.44
8.88 = 4.44(x-7)
-
Move the terms
8.88 = 4.44x - 31.08
-
Calculate
14.44x = -31.08 - 8.88
-
Divide both sides by -4.44
14.44x = 39.96
-
Solution
x = 9
Raoul bought 9 bags of granola mix. Each bag cost $5.59.
How much did Raoul spend?
Answer:
$50.31
Step-by-step explanation:
9x5.59=50.31
An easy way to do it is take out the decimals and multiply. Then add the decimals by seeing how many places in 5.59 (2) and move the decimal 2 times on your answer.
Answer:
50.31
Step-by-step explanation:
Hope This helps
find the center and radius of the circle with equation (x-7)2+(y-5)2=4
Answer:
The center is (7,5) and the radius is 2
Step-by-step explanation:
We can write the equation of a circle as
(x-h)^2 + (y-k)^2 = r^2 where (h,k) is the center and r is the radius
(x-7)^2+(y-5)^2=2^2
The center is (7,5) and the radius is 2
(x* +3x2 - 2x3)(-5x2 + x) = (x4 +3x2 - 2x )(-5x²)+(x4 +3x3 - 2x3)(x) is an example
of:
Answer:
B
Step-by-step explanation:
The first term of the binomial needs to be multiplied by the entire trinomial. We'll use the distributive property to expand. Now we do the same process for the second term. The last step is to combine the two parts and simplify.
Answer:
Distributive Property
Step-by-step explanation:
An angle measures 120 degrees. Describe how to use special right triangles and the unit circle as tools to calculate the sine and cosine of this angle.
Answer:
120 degrees is the right angle and the 30 degree added which is 1/3 here we know as we can always divide a side measure by 90 then multiply by a second angle to find the hypotenuse. When we do this we are using a three way system just like a three way system appears when we use a right angle triangle and read the functions.
Step-by-step explanation:
Students are voting on the color of T-shirts to wear on their field trip. There are 160 students-65 boys and 95 girls-going on
the field trip. A random sample of students is chosen. Surveying the random sample produced a representative sample of the
population. Which was most likely true of the representative sample?
a-The representative sample contained all 160 students.
b-The representative sample contained more boys than girls.
c-The representative sample contained more girls than boys.
d-The representative sample contained an equal number of boys and girls.
Answer:
c-The representative sample contained more girls than boys.
Step-by-step explanation:
Because, surveying random sample produced a representative sample of the population in which, number of boys smaller than number of girls ( 65 < 95).
Hope this helps!
:)
pls help this is due in 10 minutes
Answer:
3. 16 2/3
Step-by-step explanation:
i hope this helps
An adult gorilla will eat about 5,425 pounds of food in a 31-day month. What is the average amount a gorilla will eat every day?
Answer:
175
Step-by-step explanation:
Answer:
An adult gorilla is capable of consuming 18 to 20 kilograms of food everyday.
Step-by-step explanation:
I need help what’s the answer
Answer:
y intercept is -2
y = x-2
Step-by-step explanation:
The y intercept is -2 because that is where it crosses they y axis
We have another point (2,0) and (0,-2)
we can find the slope
m = (y2-y1)/(x2-x1)
= (-2-0)/(0-2)
= -2/-2
= 1
The slope is 1
We can write the equation in slope intercept from
y = mx+b
where m is the slope and b is the y intercept
y = 1x-2
y = x-2