Answer:
r=13
Step-by-step explanation:
7r-7=6r+6
7r-7+7=6r+6+7
7r=6r+13
7r-6r=6r+13-6r
r=13
Answer: r−13
Step-by-step explanation: Step 1. (7 • (r - 1)) - 6 • (r + 1)
Step 2. 7 • (r - 1) - 6 • (r + 1)
Don't understand this at all, please help!
(-5.975)(16.59) muiltilpy
Answer:
-99.12525
Step-by-step explanation:
Answer:− 99.12525
Step-by-step explanation:
I multiplied it
Solve the system by substitution. 12x+6y+7z=−35 7x−5y−6z=200 x+y=−10
Answer:
BiG ChUnGuS moo
Step-by-step explanation:
Answer:
Read Below
Step-by-step explanation:
Solve for the first variable in one of the equations, then substitute the result into the other equation.
Point Form:
( 10 , −20, − 5 )
Equation Form:
x =10, y =−20, z = −5
Find the value of c. 16 = 4 - 3c
Answer:
c = -4
Step-by-step explanation:
16 = 4 - 3c
subtract 4 from each side
16-4 = 4-4 - 3c
12 = -3c
Divide each side by -3
12/-3 = -3c/-3
-4 =c
Fifty students are trying to raise at least $12.500 for a class trip
They have already raised $1,250. How much should each
student raise, on average. in order to meet the goal? Write and
solve the two step inequality for this problem.
Answer:
$225
Step-by-step explanation:
Well I hope this helps
12,500 - 1,250 (because they have already raised this amount) = 11, 250 (this is the amount they need)
11,250 ÷50 = 225
12/7 = k/8 Solve for k
Answer:
13 5/7
Step-by-step explanation:
Rewrite the equation as
k
8
=
12
7
.
k
8
=
12
7
Multiply both sides of the equation by
8
.
8
⋅
k
8
=
8
⋅
12
7
Simplify both sides of the equation.
Tap for more steps...
k
=
96
7
The result can be shown in multiple forms.
Exact Form:
k
=
96
7
Decimal Form:
k
=
13.71428571
…
Mixed Number Form:
k
=
13
5
7
Answer: 13 5/7
Step-by-step explanation:
Give the guy above me brainliest! You can give me if you want but give him
Please help me !! 20 points!
Answer: the answer is $3,084
Step-by-step explanation:
The reason i got this answer is because i added $329 + $699 x 3 = $3,084
Answer:
$3,084Step-by-step explanation:
add the cost of ipad and iphone
$329 + $6991028 x 3 people$3,084At a carnival, food tickets cost $2 each and ride tickets cost $3 each. A total of $1,240 was collected at the carnival. The number of food tickets sold was 10 less than twice the number of ride tickets sold.
The system of equations represents x, the number of food tickets sold, and y, the number of ride tickets sold.
2x + 3y = 1240
x = 2y – 10
How many of each type of ticket were sold?
180 food tickets and 293 ride tickets
180 food tickets and 350 ride tickets
293 food tickets and 180 ride tickets
350 food tickets and 180 ride tickets
Answer:
D on edg
Step-by-step explanation:
Answer:d on ed
Step-by-step explanation:
are the expression -7 + -2 and -7 - 2 equivalent why or why not? include the solutions for each expression for full credit
Answer:
Yes, they are both equal.
Step-by-step explanation:
This is because in both cases, you are subtracting, -7 + -2 = -9. -7 - 2 = -9.
Twice Use what you have learned to compare circles by their characteristics. 1. Draw each circle. A. Radius length of 3 centimeters b. Diameter length of 3 centimeters 2. Describe the similarities and differences between your two circles. 3. Describe the relationship between the circumferences of the two circles. 4. Describe the circumference-to-diameter ratio of all circles.
Answer:
1. a. Please find attached, the diagram for the first circle with radius = 3 cm
b. Please find attached, the diagram for the second circle with diameter = 3 cm
2. The similarities are;
a) Both circles can be described by a point and a radius or a diameter
The differences are;
a) The length of the radiuses are different for the two circles (3 cm and 1.5 cm)
b) The circumferences of the two circles are different
c) The area covered by the two circles are different
3. The circumference of the circle with radius equal to 3 cm is larger than the circumference of the circle with diameter equal to 3 cm
4. The circumference to diameter ratio of the circle with radius = 3 cm is π
The circumference to diameter ratio of the circle with diameter = 3 cm is π
Both circles have equal circumference to diameter ratio given that the circumference = π × The diameter
Step-by-step explanation:
1. a. The radius length of the first circle = 3 cm
The diagram for the first circle with radius 3 cm is attached
b. The diameter length of the second circle = 3 cm
The diagram for the second circle with diameter 3 cm is attached
2. The similarities are;
a) Both circles can be described by a point and a radius or a diameter
The differences are;
a) The length of the radiuses are different for the two circles (3 cm and 1.5 cm)
b) The circumferences of the two circles are different
c) The area covered by the two circles are different
3. The circumference of the circle with radius equal to 3 cm is 2 × π × 3 = 6·π cm
The circumference of the circle with diameter equal to 3 cm is π × 3 = 3·π cm
Therefore, the circumference of the circle with radius equal to 3 cm is larger than the circumference of the circle with diameter equal to 3 cm
4. The circumference to diameter ratio of the circle with radius = 3 cm is 6·π cm/(2 × 3 cm) = π
The circumference to diameter ratio of the circle with diameter = 3 cm is 3·π cm/(3 cm) = π.
Both circles have equal circumference to diameter ratio given that the circumference = π × The diameter.
a(b-c)=x solve for x
Answer:
a is b is c
Step-by-step explanation:
x is = as is a to b then a c 4 days is c
this is a test. What is (364 x 476)^-100 +30
Answer: 30
Step-by-step explanation: 364x476=173264^-100=0+30=30.
The answer is 30
364x476= 173264
173264⁻¹⁰⁰= 0
0+30 = 30
Is the square root of 15 greater than, less then , or equal to 4?
Answer:
less than 4
Step-by-step explanation:
the closest perfect square root to 15 is the square root of 16, which produces the number 4. since 16 is greater than 15, the value of the square root of 15 is less than 4.
hope this helps!
log4(3x-1)=log4(2x+3)
Answer:
x = 4
Step-by-step explanation:
Evaluate the logarithms to solve.
Please help you will get 15 points.
How many degrees does the minute hand of a clock travel in 1 minute? What angle does an hour hand travel in 1 min?
Answer:
6° and acute angle
you watch the clock or find a clock, in right angle there 90° or 3 o'clock, if you want to understand it, try to count the the minute from 12 to 3 in the clock, if you count it then you see the are there is 15 minutes, then the 90° divide the number of minute which is 15, the answer is 6°. and then the answer of the next question is acute angle it is because the hour hand of the clock travels in 1 minute, it means every 1minute there are 6°, and 6° is less than 90° that why it's acute angle.
171 ÷ 9 =
1 point
( 9x 10) + (9 x 9) = 171; 9 x 19= 171
(9 x 10) + (9 x 10) = 180 ; 90 x 2 =180
( 6 x3) + (4 x 6) =42 ; 7 x 6 = 42
( 9 x5) + (8 x 6) =93 ; 31 x 3 = 93
Submit
What’s the answer???
Answer:
19.95
Step-by-step explanation:
if you multiply 3.99, and 5 you get 19.95
Answer:
19.95
Step-by-step explanation:
3.99 x 5 = 19.95
What is the remainder when a^3 - 4 is divided by a+2?
a)0
b)-6
c)-2
d)-12
Answer:
The remainder is -12. Choice d)
Step-by-step explanation:
The Remainder Theorem
The polynomial remainder theorem states that the remainder of the division of a polynomial f(x) by (x-r) is equal to f(r).
We have the polynomial
[tex]P(a)= a^3 - 4[/tex]
To evaluate the remainder when P is divided by a+2, we only have to find P(-2):
[tex]P(-2)= (-2)^3 - 4[/tex]
[tex]P(-2)= -8 - 4=-12[/tex]
The remainder is -12. Choice d)
My age is 9 years, My sister was half of my age. Now I'm 49 years, How old is my sister?
Answer:
24.5 so 24 and a half .....
the coordinates of point T are (0,2). The midpoint of ST is (7,-7). Find the coordinates of point S
Answer:
(14,-16)
Step-by-step explanation:
The table compares the heights (in centimeters) and the weights (in kilograms) of Karim's friends.
Can the weight of Karim's friends be represented as a function of their height?
Answer:
NO
Step-by-step explanation:
Answer:
No
Step-by-step explanation:
Tulip bulbs are on sale at store A, at 5 for $11.00, and the regular price at store B is 6 for $13. Is each store pricing tulip bulbs at the same rate? Explain how you know.
Answer:
No, they are not sold at the same rate
Step-by-step explanation:
An easy way to figure situations like these can be taking the number of items there and then dividing by the total price. For A, each bulb costs $2.2, for B each bulb costs $2.1666.
11/5=2.2
13/6=2.1666
M is the midpoint of PQ.
PM = 5x + 8 and PQ = 76, find x.
(2 Points)
Enter your answer
Answer: x=6
Step-by-step explanation:
Just think about how the problem is half
The value of x is 6.
Here,
M is the midpoint of PQ.
PM = 5 x + 6
PQ = 76
What is midpoint of line?
The midpoint is the middle point of a line segment. It is equidistant from both end points.
Now,
M is the midpoint of PQ.
Hence, PM = MQ
And, PQ = PM + MQ
⇒ PQ = 2 PM
⇒ 76 = 2 (5x + 8)
⇒ 38 = 5x + 8
⇒ 5x = 30
⇒ x = 6
Hence , The value of x is 6.
Learn more about the Midpoint of line visit:
https://brainly.in/question/28120217
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A company that makes hair-care products had 5,000 people try a new shampoo. Of the 5,000 people, 20 had a mild allergic reaction. What percent of the people had a mild allergic reaction?
Answer:
0.4%
Step-by-step explanation:
(20/5000)x100
2/5=.4%
Aslam is planning to do social service for 3 hours a day. How much time does he spend on social service in 2 months?
Answer:
if the month has 30 days: 180 hours
if the month has 31 days: 186 hours
can someone solve this for me and explain how they solved it !! thanks !
4/28 - [10 + (3 + 1) x 2]]
Answer:
[tex]\frac{4}{28}-\left(10+\left(3+1\right)x\cdot \:2\right)=-8x-\frac{69}{7}[/tex]
Michelle has 30 apples if she shared all of them equally with her self and her two friends. Then how many did each get
Answer:
They each got 10 each.
Step-by-step explanation:
2+1=3
30 divided by 3=10!
Point E is on a line segment DF . Given DE =12 and EF = 6, determine the length DF
Answer:
18
Step-by-step explanation:
Given that the distance between DE is 12 And EF is 6
We can determine that the length is the two put together so 12+6=18
1) Point P has the coordinates (5,7) what is the image of P' after a 90-degree Rotation? 2) Point P has the coordinates (5,7) what is the image of P' after a 180-degree Rotation? 3) Point P has the coordinates (5,7) what is the image of P' after a 270-degree Rotation? 4) Point A has the coordinates (-5,7) what is the image of A' after a 90-degree Rotation? 5) Point Q has the coordinates (5,7) what is the image of Q' after a 270-degree Rotation? 6) L' (6,-7) is the image of L after a 180 rotation what are the original coordinates L 7) The point A (-5,-8) is first translated 6 units to the right and two units down to get A'.A' is then reflected in the y=-x line to get A''.A'' is then rotated counterclockwise around the origin 270 degrees to get A'''.What are the coordinates of A'''?
Answer:
1) The coordinates of P' is (7, -5)
2) The coordinates of P' is (-5, -7)
3) The coordinates of P' is (-7, 5)
4) The coordinates of A' is (7, 5);
5) Q' is (-7, 5)
6) The coordinates of L is (-6, 7)
7) The coordinates of A''' is (1, 10)
Step-by-step explanation:
1) The coordinates of a preimage (x, y) after 90-degrees clockwise rotation gives the image (y, -x)
Therefore, given that the preimage P is (5, 7), we have the image, P', after 90 degrees clockwise rotation is (7, -5);
2) The coordinates of a preimage (x, y) after 180-degrees clockwise rotation gives the image (-x, -y)
Given that the preimage, point P, has coordinates (5, 7) the image, P', after 180-degrees rotation becomes (-5, -7)
3) The coordinates of a preimage (x, y) after 270-degrees clockwise rotation gives the image (-y, x)
∴ The coordinates of the preimage, P = (5, 7), after 270-degrees clockwise rotation gives the image, P', = (-7, 5)
4) The coordinates of a preimage (x, y) after 90-degrees clockwise rotation gives the image (y, -x)
Therefore, given that the preimage A is (-5, 7), we have the image, A', after 90 degrees clockwise rotation is (7, 5);
5) The coordinate of the preimage, point Q is (5, 7) after 270-degrees clockwise rotation gives the image, Q', = (-7, 5)
6) The image of a preimage, (x, y) after 180-degrees rotation is (-x, -y). Therefore, given that the image of the preimage L, after 180 degrees rotation is L' (6, -7), we have the coordinates of L is (-6, 7)
7) The coordinates of the preimage, A = (-5, -8)
a) A is translated 6 units to the right and 2 units to give;
A'(-5 + 6, -8 - 2) = A'*1, -10)
b) (x, y) is reflected across the line y = -x, to give (-y, -x)
∴ A'(1, -10) is reflected across the line y = -x, A''(10, -1)
c) The coordinates of a preimage (x, y) after 270-degrees clockwise rotation gives the image (-y, x)
∴ The coordinates of the preimage, A''(10, -1), after 270-degrees clockwise rotation gives the image, A'''(1, 10).