Answer: the answer is m=–1/2
Step-by-step explanation: To factor –2.8 out of –16.8m–11.2, you’ll need to factor and set each factor equal to zero. If you mark me brainliest please I will be happy if not I won’t be happy! :)
If a = -3, find the value of
a) 2a
b) a2
c) 3a2
Answer:
A) -6
B) -6
C) -18
Step-by-step explanation:
Answer:
a) 2(-3)=-6
b) -3(2)= -6
c) 3(-3)2= -18
Step-by-step explanation:
Solve for m y-y=m(x-x)
Answer:
m = y/x
Step-by-step explanation:
y-y = m(x-x)
simplify:
-2y = m(-2x)
simplify again
-2y = -2mx
divide to get rid of -2 and x
-2y = -2mx
----------------
-2x
y
- = m
x
help please thank you so much !
Answer:
I feel the answer is D (Sorry if this isn't the correct answer)
There is approximately .62 miles in 1.0 kilometers.if you were traveling 70 km per hour,about how fast would you be traveling in miles per hour
Answer:
70km=43.5mph
Step-by-step explanation:
Please gives me Brainlest, hope it help!
Write an expression for the perimeter of the triangle shown below:
A triangle is shown with side lengths labeled 2.3x plus 14, 2x, and negative 0.2x plus 15.
4.1x + 29
4.1x − 29
4.5x + 29
4.5x − 29
Answer:
4.1x + 29
1. Combine like terms (2.3x + 2x= 4.3x - 0.2x = 4.1x)
2. add the 14 + 15 = 2
That gives you the equation 4.1x + 29
I took this quiz got it right
What is the value of x in the equation -2/3x9=-3
Answer:
your equation is false
A public swimming pool that holds 45,000 gallons of water is going to be drained for maintenance at a rate of 100 gallons per minute. The amount of water, w (in gallons), in the pool after t minutes is given by the function w = 45,000 – 100t. How many minutes will it take to empty the pool?
Answer:
450 minutes
Step-by-step explanation:
Given
w = 45000 - 100t
Required
Determine how long it'll take to empty the pool
Being empty means there's no water in the pool.
So, we have to set w to 0 to get the value of t
i.e w = 0
Substitute 0 for w in w = 45000 - 100t
0 = 45000 - 100t
Collect Like Terms
100t = 45000
Divide through by 100.
t = 450
Hence, it'll take 450 minutes to empty the pool
is this table a function? explain how you know
December + 724.37
January + 3,912.26
February - 1,051.51
March - 4,023.02
What is the overall profit or loss for the first four months the deli was open?
Answer:
They lost a total of $5.074.53
Step-by-step explanation:
I believe the question is asking how much money the company lost in these four months, so you would just add 1051.51 and 4023.02
Hope this helps! I apologize if I'm incorrect
HELP PLEASE! Thank you! 15 POINTS
Answer:
Step-by-step explanation: for 8 thirds use the long lines to count back from 5 to 0 then once u get 0 use the little lines to get to 8 thirds towards 5 and do the same for -11 thirds but towrds -5
HELPPPPPP IN NEED
The temperature was less than 20 degrees Fahrenheit on the morning of the
test what is the inequality to represent the situation
Answer:
>20 degrees
Step-by-step explanation:
what is ( 3.1 x 10^5) ( 2.2 x 10^7) in scientific notation?
Answer:
= 2.231 × 107
PLEASE HELP ME ASAP?!?Classify the following triangle. Check all that apply.
Answer:
B and c I think lolll
Answer:
isoceles right triangle
Step-by-step explanation:
1. it has a right angle
2. it has to equivalent sides
-6x - x + 10 = 15 - 7x - 5
O a. all real numbers
O b.-12
O c. 10
O d. 12
What is the answer
Answer:
a
Step-by-step explanation:
Given
- 6x - x + 10 = 15 - 7x - 5 , that is
- 7x + 10 = - 7x + 10
Since both sides of the equation are equal then all real numbers will make the equation true.
????????????????????????????
Answer:
Step two was incorrect
Step-by-step explanation:
when he solved
e/4 *4= 2.5*4
He said that 2.5*4=8 which is incorrect
It equals 10 so the actual answer is-
e=10
1) Which is NOT a solution to the equation:
3y + x = 25
(1,8)
(10,5)
(2,7)
(13,4)
URGENT!!
What are factored forms of the following expressions
Find the coordinates of the orthocenter of triangle ABC with vertices A (2, 0), B (2, 4), and C (6, 0).
9514 1404 393
Answer:
(2, 0)
Step-by-step explanation:
The orthocenter of a right triangle is the vertex where the right angle is located. Here, that is vertex A.
The orthocenter is (2, 0).
__
The orthocenter is the point where the altitudes intersect.
Can somebody plz help s with this math question this is my last question !
Answer: x=30 degrees
Step-by-step explanation:
Reason: Triangle Congruency
ΔABC ≅ ΔDEC --> this means that ∠A≅∠D, ∠B≅∠E, ∠C≅∠C --> definition of congruent triangles55°+65°+2x= 180° --> CPCTC (Corresponding parts of congruent triangles are congruent) and sum of angles in trianglex= 30 degrees--> AlgebraGCSE maths question about the turning point of the graph.
please help!
Answer:
The coordinates of the turning point are (2, -9)
Step-by-step explanation:
The coordinates of the turning points of the quadratic equation
y = ax² + bx + c, are (h, k), where
h = [tex]\frac{-b}{2a}[/tex] k is the value of y at x = h∵ The equation of the curve is y = x² + bx + c
→ By comparing it with the form above
∴ a = 1
∵ The point (0, -5) lies on the curve
→ Substitute x by 0 and y by -5 in the equation to find the value f c
∵ -5 = (0)² + b(0) + c
∴ -5 = 0 + 0 + c
∴ -5 = c
→ Substitute it in the equatin
∴ y = x² + bx - 5
∵ The point (5, 0) lies on the curve
→ Substitute x by 5 and y by 0 in the equation to find the value f c
∵ 0 = (5)² + b(5) - 5
∴ 0 = 25 + 5b - 5
→ Add the like terms in the right side
∴ 0 = 20 + 5b
→ Subtract 5b from bth sides
∵ 0 - 5b = 20 + 5b - 5b
∴ -5b = 20
→ Divide both sides by -5 to find b
∴ b = -4
→ Substitute it in the equatin
∴ y = x² - 4x - 5
∵ a = 1 and b = -4
→ Substitute them in the rule of h above t find it
∵ h = [tex]\frac{-(-4)}{2(1)}[/tex] = [tex]\frac{4}{2}[/tex]
∴ h = 2
→ To find k, substitute x by 2 and y by k
∵ k = (2)² - 4(2) - 5
∴ k = 4 - 8 - 5
∴ k = -9
∴ The cordinates of the turning point are (2, -9)
A password contains 6 digits such as 174668 how many different passwords can be formed
Answer:
there are 1 million possible passwords
Answer: One million possible combinations
How would you solve this problem? Type below:
Answer:about maybe 6 hours
Step-by-step explanation:
because movies are almost 1 to 2 hours and for all of those it would be 6 hours
Answer:
5.25 hours of movie-marathon-watching
Step-by-step explanation:
To solve this problem, you should multiply 3 times 1.75. (.75 is equal to 3/4.)
Please mark me Brainliest, I need it to move onto the next level. <3
Each month, Ellie spends 6 hours in tap class at her dance studio. If each month she spends 30% of her class time in tap class, what is the total number of hours she spends in dance classes each month? Show your work or explain how you found your answer in complete sentences.
Answer:
high so I think your answer might be so says each month at least $26 and tap class at her dance studio if each when she spends 30 of her class time in tap class how is the total number of hours spent it in dance class each month show your work or explain how he found your answer in a sentence so basically divide 30 by 6 and then you get your answer which is 5
PLEASE HELP
The recipe for 2 dozen blueberry muffins calls
for 3 cups of sugar. The number of muffins
varies directly with the amount of sugar you
use. Estimate how many cups of sugar are
needed to make 6 dozen muffins
Answer:
9 cups of sugar
Step-by-step explanation:
Since 2*3=6 (dozens of muffins), 3*3=9 (cups of sugar)will be the answer
Answer:
Step-by-step explanation:
2/3=6/×
Cross multiply
2x=18
Divide both sides by 2
X=9
9 cups of sugar is needed
Twelve books cost $59.88 and 21 books cost $104.79. Is there is a constant of proportionality between these purchases?
the answer to your question is $4.99
Can you please give a step by step answer with the reasons?
Answer:
I'm uploading a picture. Hope this helps.
Step-by-step explanation:
9 x − 3 1/2 PLSS HELP I DO NOT UNDERSTAND
Step-by-step explanation:
9 times - 31 = - 279
-279 /2 = - 139.5
Which one is correct? Please hurry <3
Answer:
1500
Step-by-step explanation:
I did the math and got it right
Russell built a walking bridge with two
planks. One of the planks was 22 feet
wide and the other was 3 feet wide.
What is the combined width of the planks?
Answer:
50
Step-by-step explanation:
22 for the long sides
22+22=44
3 for the short sides
3+3=6
44+6=50
A model car is constructed with a scale of 1 : 15. If the actual car is 12 feet long, which proportion represents the lenght x of the model car?
Answer:
0.8 feet
Step-by-step explanation:
1:15
x:12
So to find 1 unit,
x= 12÷15
=0.8
