30 POINTS IF SOMEONE ANSWERS CORRECTLY (MATH)
a. factor A = x^2 -30x + 225 = (x - 15)(x - 15)
side length = (x - 15)
b. add (x - 15) four times = 4(x - 15) = 4x - 60
Sorry! It would not let me write the numbers hopefully I help :p I tried.
Solve and graph the inequality below. PLEASE HELP
Answer:
x>12
Step-by-step explanation:
its x is greater than 12
12. Calculate the slope of the line that
passes through the points (-4,-7) and
(1-7).
A. undefined
B. 0
14
C.
5
14
D.
3
Answer:
0
Step-by-step explanation:
m=y1-y2/x2-x1. Plug in your values. -7-(-7)/1-(-4). Simplifies to 0/5, or 0.
The circumference of a tire is 117 inches. Determine
the RADIUS of the tire. Use 3 for pi.
Answer:
18.6
Step-by-step explanation:
to find the radius with the circumference you do circumference over 2 pi so 177/(2*3)
Write an algebraic expression for each of the following. Show your solutions.
A tin of milk cost x. A man bought 3 tins of such milk powder and paid with 1000 note. How much change did he receive?
Carlo has x. He has 2 times as much as Sam. Ann has 681 more than Sam. How much does Ann have?
The change received by the mas is 1000 - 3x.
The amount Ann has is 681 + x.
Change received by the manThe change received by the man after making the payment is calculated as follows;
Total cost of the 3 tins = 3x
Let the man's change = y
The change received by the man is calculated as;
y = 1000 - 3x
How much Ann haslet the amount Ann has = y
let the amount Sam = t
The amount Sam has, t = x
Then, the amount Ann has is calculated as;
y = 681 + x
Learn more about algebraic expression here: https://brainly.com/question/4344214
Maya has 5 over 6 cup of ice cream. How many 1 over 4 -cup servings are in 5 over 6 cup of ice cream?
a
1 and 3 over 2
b
2 and 1 over 3
c
3 and 1 over 3
d
4 and 1 over 2
i think the answer is c, but i'm not sure
Answer:
c. 3 and 1 over 3Step-by-step explanation:
Divide and find:
5/6 ÷ 1/4 = 5/6 × 4 =10/3 = 3 1/3Correct choice is C
Write a system of equations to describe the situation below, solve using any method, and fill in the blanks.
Students in Mrs. Schmidt's third grade class are working on times tables, and they demonstrate mastery by passing tests. Quincy has passed 8 tests so far. His classmate, Shivani, has passed 4 tests of them. From now on, Quincy plans to take and pass 1 test per week. Meanwhile, Shivani plans to do 5 per week. At some point, Quincy will catch up to Shivani. How long will it take? How many tests will each child have passed? In
weeks, the children will each have passed
tests.
In
weeks, the children will each have passed
tests.
Answer:
It will take 1 week for both classmates to catch up with each other Each child has passed about 9 tests.Step-by-step explanation:
We know that:
Q = 8 + 1(w) S = 4 + 5(w) Q = SWork:
8 + w = 4 + 5w => 8 - 4 = -w + 5w => 4 = 4w => w = 1Hence, it will take 1 week for both classmates to catch up with each other. Now, let's substitute the value of w into the first equation to find how many tests have each child passed.
Q = 8 + (w) => Q = 8 + 1 => Q = 9Hence, each child has passed about 9 tests.
Hoped this helped.
[tex]BrainiacUser1357[/tex]
How do I write 4 4/5 as an improper fraction
Answer:
24/5Step-by-step explanation:
4 4/5 is the same as (4 x 5) +4
4x5=20
20+4=24
24/5
Find the measurement indicated in each parallelogram.
Answer:
15. UA = 24
16. QW = 9
Step-by-step explanation:
15. since UA = AS, we put an equal sign in between both equations
3x+3=4x−4
Step 1: Subtract 4x from both sides.
3x+3−4x=4x−4−4x
−x+3=−4
Step 2: Subtract 3 from both sides.
−x+3−3=−4−3
−x=−7
Step 3: Divide both sides by -1.
-x/-1 = -7/-1
x = 7
To find UA, we substitute x to 7
UA = 3x + 3
UA = 3(7) + 3
(3)(7)+3
=21+3
=24
UA = 24
To find AS
AS = 4x - 4
AS = 4(7) - 4
(4)(7)−4
=28−4
=24
AS = 24
16. 2x - 1 = x - 4
Step 1: Subtract x from both sides.
2x−1−x=x+4−x
x−1=4
Step 2: Add 1 to both sides.
x−1+1=4+1
x=5
Answer:
x=5
To find QW
QW = 2x - 1
QW = 2(5) - 1
2(5) - 1
= 10 - 1
= 9
QW = 9
To find WS
WS = x + 4
WS = 5 + 4
5 + 4
= 9
WS = 9
what is the answer to x=y
What is the coordinate of the midpoint in the segment
shown?
Answer:
(2.5, -1)
Step-by-step explanation:
The midpoint of a line segment is just the average position of the 2 endpoints.
(x1, y1) = (1, 2)
(x2, y2) = (4, -4)
Find the average x-coordinate by adding them up and dividing by 2:
[tex]\frac{1+4}{2}=\frac{5}{2}=2.5[/tex]
Do the same for the y-coordinate:
[tex]\frac{2-4}{2}=\frac{-2}{2}=-1[/tex]
Using those, the coordinate of the midpoint is (2.5, -1)
PLEASE HELP!! This is due tonight (click on image and show your work)
Answer:
Area =1/2 b×h
b=10 ,h=12
: 10×12/2
120/2
Area= 60
Answer:
60 cm² and 36 cm
Step-by-step explanation:
The area (A) of a triangle is calculated as
A = [tex]\frac{1}{2} [/tex] bh ( b is the base and h the perpendicular height )
Here b = 10 and h = 12 , then
A = [tex]\frac{1}{2} [/tex] × 10 × 12 = 5 × 12 = 60 cm²
The perimeter (P) is the sum of the 3 sides
P = 13 + 13 + 10 = 36 cm
f(t)=0.25t[tex]x^{2}[/tex]-1.5t+2.5 the average rate of change of f(t) from t=5 to t=8
Answer:
(x)(x)
Step-by-step explanation:
Answer:
1.75
Step-by-step explanation:
[tex]m=\frac{f(b)-f(a)}{b-a}[/tex]
[tex]m=\frac{f(8)-f(5)}{8-5}[/tex]
[tex]m=\frac{6.5-1.25}{3}[/tex]
[tex]m=\frac{5.25}{3}[/tex]
[tex]m=1.75[/tex]
Therefore, the average rate of change of f(t) from t=5 to t=8 is 1.75
plz help, math finding the slope.
Answer:
5/2 or 2.5
Step-by-step explanation:
...............
Emilio asked his aunt for $20 to buy supplies for his lemonade stand. Once his stand opened he made $40 a day
The equation that represents profit is $40x - $20.
The profit after 5 days in business is $180.
The profit after 10 days in business is $380.
The profit after 10 days in business if revenue is $45 is $430.
What is profit?
Profit is total revenue less total cost.
Profit = total revenue - total cost
Profit = $40x - $20
Where:
x = number of days
What is the total profit after 5 days and 10 days?$40(5) - $20
= $200 - $20
= $180
$40(10) - $20
$400 - $20
$380
What is total profit if revenue is $45?
$45(10) - $20
= $450 - $20
= $430
To learn more about profit, please check: https://brainly.com/question/26181966
PLEASE ANSWER THIS QUESTION ITS DUE SOON
Answer:
B and E
Step-by-step explanation:
An expression is a sentence with a minimum of two numbers and at least one math operation
So B and E are expressions
Answer: E & C
Step-by-step explanation:
An expression will not have an equal sign or greater than/less than signs
So, E is an expression and C is an expression
what does these equal 360,000÷100/ 360,000÷900
Answer:
360,000÷100/ 360,000÷900 = 9
Answer:
1440000
Step-by-step explanation:
hope this helps
(2x4)+45-10+23-45/5x23
Which expression has a value of 39?
O A. A) 24 x 2 - 8 + 4(2) + 8-6
B. B) 24 x (2 + 8) + 42 + 8 - 6
O c. C) 24 x 2 - 8 + 4(2) + (8 - 6)
OD. D) 24 x 2 - (8 + 4(2)) + 8 - 6
i’m confused with this question
Answer:
First and last
Step-by-step explanation:
Hope this helps helps! :) plz mark brainliest
You deposit $350 in a savings account. The account earns 2.3% simple
interest per year. What is the balance after 2 years?
Answer:
$366.10
Step-by-step explanation:
A = P (1 + rt)
= 350 (1+0.023 x 2)
= 350 (1.046)
=366.1
Pls answer quickly only have 3 mins left
Answer:
sorry if im late but its the third one
Step-by-step explanation:
A school paid $31.25 for each calculator.
If the school bought x calculators, how much did they pay?
The school spent $500 on calculators. How many did the school buy?
Answer:
500/31.25=16
Step-by-step explanation:
The school bought 16 calculators
Yousef has $ 20 to spend at the snack bar. All of the snacks at the snack bar cost $ 1.25. How much money will Yousef have left if he buys 7 snacks?
Answer:
$11.25
Step-by-step explanation:
$1.25 x 7 = $8.75
$20 - $8.75 = $11.25
Answer:
11.25
Step-by-step explanation:
7 times 1.25 = 8.75 then 20 - 8.75 = 11.25
hope this helped :)
Find the midpoint of the segment with the following endpoints.
(10,7) and (5,4)
Answer: (7.5, 4.5)
Step-by-step explanation:
To find the midpoint, we can just find the average of the x values and the y values.
x=(10+5)/2=15/2=7.5
y=(5+4)/2=9/2=4.5
A) (-4,-1/2)
B) (-4,1/2)
C) (4-1/2)
D) (4,1/2)
What is the answer?
Answer:
x = 4, y = -1/2 (or C)
Step-by-step explanation:
If you were to put it on a graph, the lines would intersect at (4, -1/2), which is C. Hope this helps :)
Determine whether each scatter plot represents a linear relationship, a non-linear relationship, or
no relationship
Linda has a Bi-Monthly salery of $2,500.00. What is her annual salery? a $60,000.00 b $67,000.00 c $65,000.00 d $2,500.00 e $58,500.00
Elizabeth has 2 jolly ranchers less than 3 times the amount of jolly ranchers as Lucy.
1) Write an expression to represent the word phrase above.
2) Determine how many jolly ranchers Elizabeth has if Lucy has 6?
Answer:
[tex]y=3x-2[/tex] Elizabeth has 16 jolly ranchers
Step-by-step explanation:
1)
let [tex]x[/tex] be the number of jolly ranchers Lucy has
let [tex]y[/tex] be the number of jolly ranchers Elizabeth has
[tex]y=3x-2[/tex]
2)
If Lucy has 6 jolly ranchers then [tex]x[/tex] = 6
So [tex]y[/tex] = (3 x 6) -2 = 16
Elizabeth has 16 jolly ranchers
A triangle has sides with lengths of 4 inches, 8 inches, and 9 inches. Is it a right triangle?
Answer:
No, its not a right triangle
Step-by-step explanation:
[tex]4^{2} +8^{2} =9^{2}[/tex]
16 + 64 = 81
80 = 81
Answer:
[tex]\boxed {\boxed {\sf No, \ not \ a \ right \ triangle}}[/tex]
Step-by-step explanation:
If a triangle is a right triangle, it will satisfy Pythagorean's Theorem.
[tex]a^2+b^2=c^2[/tex]
When a and b are the legs of the triangle and c is the hypotenuse.
4 and 8 would be the legs of the triangle. 9 would be the hypotenuse because it is the longest side.
[tex](4)^2 + (8)^2 = (9)^2[/tex]
Solve the exponents.
[tex]16+64=81[/tex]
Add on the left side of the equation.
[tex]80=81\\80 \neq 81[/tex]
80 is not equal to 81. The triangle does not satisfy Pythagorean's Theorem, so it cannot be a right triangle.
