Answer:
x = 3 or x = 7
Step-by-step explanation:
X² - 8x + 14 = 2x - 7
x² - 8x + 14 - 2x + 7 = 0
Now we have a quadratic equation ;
x² - 10x + 21 = 0
-3 and - 7 gives a sum of - 10 and a product of 21
x² - 3x - 7x + 21 = 0
x(x - 3) - 7(x - 3) = 0
(x - 3) = 0 or (x - 7) = 0
x = 3 or x = 7
A submarine rises to the ocean's surface at 720 feet in 6 minutes. Find the points submarine's change in elevation per minute.
Answer:
The submarine gains 120 feet of elevation per minute.
Step-by-step explanation:
Explain or show - Describe how the graph of y=3x+1 is the same and different from the graph of y=3x+4. your reasoning YA a. How are they the same? b. How are they different? x c. Explain or show your reasoning: (Feel free to use graph paper if you'd like.)
Answer:
a.) they have the same slope
b.) they have different y-intersepts
c.) in the slope-intercept formula y = mx + b, m is the slope and b is the y-intercept. since the two equations have the same slope but different y-intercepts we can infer they are parallel.
Billy reads 75 pages of a novel in 50 minutes. At this rate, how many hours will billy spend reading the entire 350-page novel?
Answer:
8hours 45minutes
WORKING OUT
75÷50=1.5
so 1 page would take 1.5 minutes
1.51 x 350= 525 minutes
8.75 hours
Which of the following are adjacent angles?
Answer:
c
Step-by-step explana i think its right
PLEASE HELP ASAP!!
The graph represents which system of inequalities?
A.) y<=-2x+3
y<=x+3
B.) y>=-2x+3
y>=x+3
C.) y<=-3x+2
y<=-x+2
D.)y>-2x+3
y>x+3
Answer:
Its the yellow area
Step-by-step explanation:
x/-3 is less than -10
solve the inequality
Answer:
-7 or just 7
Step-by-step explanation:
Find x.
Side splitter theorem
Answer:
x = 9
Step-by-step explanation:
The outer and inner triangles are similar, thus the ratios of corresponding sides are equal, that is
[tex]\frac{8}{8+4}[/tex] = [tex]\frac{x-3}{x}[/tex] , that is
[tex]\frac{8}{12}[/tex] = [tex]\frac{x-3}{x}[/tex] ( cross- multiply )
12(x - 3) = 8x
12x - 36 = 8x ( subtract 8x from both sides )
4x - 36 = 0 ( add 36 to both sides )
4x = 36 ( divide both sides by 4 )
x = 9
i don’t kno the answer help
Answer:
Yes
Step-by-step explanation:
It is true because the equation would be 1 is less than or equal to 3-(-4)
Can someone please help me on Number 3 Please :)
Answer:
18000000 km
Step-by-step explanation:
25000*24*30=18000000
Define a variable, write an inequality, and solve each problem.
9. The sum of a number and five is more than negative seven.
Answer:
x+5>-7
Step-by-step explanation:
The sum of a number and five translates to x+5. It then states that this expression is more than negative seven, therefore you use a greater than sign to get x+5>-7
complete the equation 4/5= ____×
1/5
Answer:
HI! I think the answer is 4.
Answer:
4/5 = 4 x 1/5
Step-by-step explanation:
Since we can write 4 as 4/1, that means 4 is the answer. This is because you multiply the top numbers and the bottom numbers, 4x1 is 4, and 1x5 is 5, so that means the answer is 4 since that problem got us 4/5.
HELPPPPPP PLEASEEEEee 34 + 2 ⋅ 5 = ____. (Input whole numbers only.) (1 point)
Answer:
44
Step-by-step explanation:
Describe and correct the error in using properties of parallelograms.
Answer/Step-by-step explanation:
Opposite angles of a parallelogram are equal to each other.
Therefore, <S = <U, and <T = <V
Consecutive angles of a parallelogram are supplementary.
Therefore,
m<S + m<V = 180°
50° + m<V = 180°
m<V = 180° - 50° (subtraction property of equality)
m<V = 130°
The cost of renting a boat at a lake is $35 per hour plus $5 for life jackets. Write an
• equation in slope-intercept form that can be used to calculate the total amount you would pay for
renting a boat. (assume only you need a life jacket)
Answer:
y = 35x + 5
Step-by-step explanation:
Slope-intercept form is y = mx + b
m is the slope, b is the constant, or y-intercept.
In this case, 5 is our constant. You pay a one-time fee of $5 for a life jacket. This price doesn't change nor do you have to pay it again, so this is your constant.
35 is our slope. 35 represents the $35 you pay for each hour with the boat. This is our slope because it will change overtime, based on x, or the number of hours you are renting the boat.
y is the total cost, since you have to add up $35 times the number of hours you are renting, plus the $5 for the life jacket.
I need help on this pls. Will give brainliest.
Answer:
a, b, and d
Step-by-step explanation:
you can have the same output, but not the same input
Answer: a, b, d
Step-by-step explanation:
the x values (input values) CANNOT be the same in a set of coordinates; if they do have the same x values, then the are not a function.
both c and e have some of the same x values so they can't pass the vertical line test and therefore are not functions.
hope this helps!!
brainliest to who ever answers correctly
Answer:
it’s either no slope or 0, I dont exactly know which one you would put in to be correct
Step-by-step explanation:
one more lol sprry for a lot of post
Answer:
A
Step-by-step explanation:
jan has a 12-ounce milkshake.Four ounces in the milkshake are vanilla,and the rest is chocolate.What are two equivalent fractions that represent the fraction of the milkshake that is vanilla
Answer:
In this item, we are given that out of 12 ounces of ingredients comprising the milkshake, there are 4 ounces vanilla. Expressing this into fraction will give us an answer of 4/12. This fraction can be one of the answers. Since we are asked for two fractions, we can simplify 4/12 such that we get an equivalent fraction that is equal to 2/6. Hence, the answers to this question are 4/12 and 2/6.
Step-by-step explanation:
Which mathematical property is demonstrated?
7 + 9 + 3 = 7 + 3 + 9
commutative property of addition
associative property of multiplication
commutative property of multiplication
associative property of addition
Answer:
I am pretty sure that the answer to this question is A: comunative property of addition
Step-by-step explanation:
I'm 99% sure
I'm sorry if it turns out to be wrong
cause I have not yet finished the test
slope of 0 and passes through (7, 4)
Answer:
y = 4
Step-by-step explanation:
Assuming you require the equation of the line.
A line with a slope of zero is a horizontal line parallel to the x- axis, with equation
y = c
where c is the value of the y- coordinates the line passes through
The line passes through (7, 4 ) with y- coordinate 4, thus
y = 4 ← equation of line
CAN YOU PLEASE HELP ME ?
Answer:
Where is the question we can help you with
I don't understand, help.
9514 1404 393
Answer:
x = 20°y = 70°Step-by-step explanation:
The hash marks indicate that the lower triangle is isosceles. That means its base angles are equal. The external angle marked 40° will be the sum of those two equal angles, so ...
x + x = 40°
x = 20°.
x is one of the two acute angles in the right triangle. The other is y, which is the complement of x.
y = 90° -x = 90° -20°
y = 70°
_____
Additional comments
The angle marked 40° is one of a "linear pair". The other angle in that pair is the obtuse angle in the lower triangle. Its measure is 180°-40° = 140°. The two base angles of that isosceles triangle are both x°, so you have ...
x° +x°+140° = 180°
2x° = 180° -140° = 40°
That is, the sum of the two angles will be equal to the external angle marked 40°. The relevant theorem says "an exterior angle is equal to the sum of the remote interior angles." Remembering this is a useful shortcut, so you don't have to find the third interior angle, which is 140° in this case.
help with this .........
9514 1404 393
Answer:
x = 30
Step-by-step explanation:
Supplementary angles total 180°.
5x° +x° = 180°
6x = 180
x = 180/6 = 30
The value of x is 30.
What’s the solution for x- 4 = 2
Answer:
6
Step-by-step explanation:
6-4=2
Answer: x=6
Step-by-step explanation:
x-4=2
x = 2+4
x=6
Check: 6-4=2
A line with a slope of 1/3 passes through (-5,r) and (4,1).
To make this work correctly, the value of r=
Answer:
r=-2
Step-by-step explanation:
your welcome :D also if there's another answer could you give me brainliest pls
Three friends go grocery shopping together, and each guys the same kinds of strawberries. Akio buys 2 pounds and pays 1.50. Gordon buys 3 pounds and pays 2.25. Maria buys 4 pounds and pays 3.00.
Answer: Graph B
Step-by-step explanation:
The unit price for the strawberries is:
= 1.5 / 2
= $0.75 per pound
Graph B is the right graph as it uses a unit price of $0.75 per pound for strawberry price. This is why it has points of the graph that mirror the friends purchases such as (2, 1.5) , (3, 2.5) and (4, 3).
Answer:
wut lol
Step-by-step explanation:
Can you please help me with this???
Answer:
SQT = 100
Step-by-step explanation:
A full circle equals 360 degrees, when the other angles are added up 140 + 120 = 260 which is 100 off of 360 meaning the last angle is that 100 degrees.
WHOEVER ANSWERS THIS FIRTS GETS BRAINIEST
Answer:
62mm
Step-by-step explanation:
Add each side together, check answer.
Start by adding 17 and 10 together. Break it down and that equals 27. Add 11 and you get 38. Add 19 and 5 to get 24 and add that to 38. Answer, 62mm.
Mary went to the supermarket and noticed that 3 pounds of chicken was $15. If she wanted to buy 7 pounds of chicken, how much would it cost
Answer
$35
Step-by-step explanation:
3lbs is 15 so get the price of 1 lb by dividing 15 by 3 which is 5. then multiply 5 by how many lbs you want. in this case 5 time 7 is 35
Answer:
$35.00
Step-by-step explanation:
each pound of chicken cost $5 so 5x7=35
Over the past 15 years, a business owner has made at most $4,000 in profits each week .Which graph represents the business owner's possible profits each week ?
Answer:
3,120,000
there are 52 weeks in a year:
52 x 15 = 780
Now multiply the salary to it:
780 x 4,000 = 3,120,000
I think this is correct
Answer:
d
Step-by-step explanation:
I got it correct so it must be correct
