9514 1404 393
Answer:
y = -x -3x +y = -3Step-by-step explanation:
Rearrange as required.
The slope-intercept form is ...
y = mx + b
Eliminating parentheses and solving adding 4 gives ...
y -4 = -x -7
y = -x -3 . . . . . . slope-intercept form
__
We can add the opposite of the x-term to get standard form:
ax +by = c
x + y = -3 . . . . . . standard form
The value of x =
60°
5
x
30°
Answer:
10
Step-by-step explanation:
with reference angle 30°
perpendicular (p) = 5
hypotenuse (h) = x
Now
sin 30° = p / h
1 / 2 = 5 / x
x = 10
Hope it will help :)
A recipe for 15 bran muffins calls for 1 cup of flour. The number of muffins that can be made varies directly with the amount of flour used. There are 3 2/3 cups of flour available. How many muffins can be made?
Answer:
with 3 2/3 cups of flour 55 muffins can be made
4/7 divided by 2 1/3
HELP ME PLEASE WITH ANY QUESTION
Answer:
1.) -9
2.) 1/3 or 0.3
5.) 4
6.) 2.9
Step-by-step explanation:
The half-life of carbon-14 is 5,730 years. Suppose a fossil is found with 20 percent as much of its carbon-14 as compared to a living sample. How old is the fossil
Answer: The sample is 13414 years old.
Step-by-step explanation:
Expression for rate law for first order kinetics is given by:
[tex]t=\frac{2.303}{k}\log\frac{a}{a-x}[/tex]
where,
k = rate constant
t = age of sample
a = let initial amount of the reactant= 100
a - x = amount left after decay process= [tex]\frac{20}{100}\times 100=20[/tex]
a) for completion of half life:
Half life is the amount of time taken by a radioactive material to decay to half of its original value.
[tex]t_{\frac{1}{2}}=\frac{0.693}{k}[/tex]
[tex]k=\frac{0.693}{5730}=0.00012years^{-1}[/tex]
b) for completion of 20% of reaction
[tex]t=\frac{2.303}{0.00012}\log\frac{100}{20}[/tex]
[tex]t=13414years[/tex]
The sample is 13414 years old.
Answer: 13,307 years
Step-by-step explanation: i got it right on the quiz/asignment
Can somebody plz help figure out the rest of the answers thanks ! :D (make sure u do them correclty)
WILL MARK BRAINLIEST WHOEVER ANSWERS FIRST :DD
Answer:
Step-by-step explanation:
3. 3
4. 5
5. 6
1) 8 bananas cost £4
Work out the cost of 5 bananas.
i really need help with this question i dont understand it
HELP “The vertical supports in this truss bridge are built so that
AABO=AOCD. Which of the following statements
is NOT true?”
Answer:
The statement that is not true is;
c) m∠ABO = m∠ODC
Step-by-step explanation:
With the assumption that the lengths AO, and OD are equal, we have that in ΔABO and ΔOCD, the following sides are corresponding sides;
Segment AO on ΔABO is a corresponding side to segment OD on ΔOCD
Vertices B and C on ΔABO and ΔOCD are corresponding vertices
Therefore;
Segments AB and OB on ΔABO are corresponding sides to segments OC and OD on ΔOCD respectively
Therefore, ∠ABO on ΔABO is the corresponding angle to ∠OCD on ΔOCD
Given that ΔABO ≅ ΔOCD, we have that ∠ABO ≅ ∠OCD
Therefore;
m∠ABO = m∠OCD by definition of congruency
Answer:
DStep-by-step explanation:
Reflect square JKLM with J(1, 4), K(6, 5), L(7, 0) and M(2, -1) in the y-axis. What are the coordinates of M'?
Given:
Reflect square JKLM with J(1, 4), K(6, 5), L(7, 0) and M(2, -1) in the y-axis.
To find:
The coordinates of M'.
Solution:
We have, M(2, -1) .
If a figure reflected over the y-axis then
[tex](x,y)\to (-x,y)[/tex]
Using this rule, we get
[tex]M(2,-1)\to M'(-2,-1)[/tex]
Therefore, the coordinates of point M' are (-2,-1).
Find the slope of the line that passes through
(7,-1) and (9,0)
Answer:
1/2 or 0.5
Step-by-step explanation:
so to find the slope of two points you use the slope formula which is rise over run, y2-y1/x2-x1. so that would be -1-0/7-9. leading to -1/-2. so the slope is 1/2 or 0.5.
At hms 60% of the students voted in an election if there are 1,500 students how many voted
Answer:
900
Step-by-step explanation:
Answer:
900 voted
Step-by-step explanation:
Hurry!
which is the remainder when (x^5-2x^4+3x^3-2x^2+4x-6) is divided by (x+2)
According to a weather report, there is a 28% chance it will rain tomorrow. What is the
probability that it WILL NOT rain tomorrow? (two decimal answer approximation)
Answer:
wouldnt it be 72%?
Step-by-step explanation:
the percent is out of 100. if the probability of rain is 28% and you subtract that from 100% you are left with 72%
100%-28%
=72%
Can someone help me graph these? Right answers get brainliest!!
Answer:
Step-by-step explanation:
PLEASE HELP IM STRUGGLING IN MATH!! THANK YOU!!!!❤️
Answer:
$5193.77
Step-by-step explanation:
You want to figure out what x is.
Since x is the number of years after 1996, you can do 2005 - 1996 = 9 years.
Then, plug x = 9 into the equation:
y = 11,000(0.92)^9
Plug this into a calculator and you get: y = $5193.77
Answer 2,3,and 4
I really need help
thx
Answer:
where is the thing to answer
Answer:
Ok im going on your page to see the question
Solve the simultaneous equations
y = 2x^2
y = 3x + 14
Answer:
x = -2
And, x = 7 ÷ 2
Step-by-step explanation:
Given that
y = 2x^2
y = 3x + 14
Now equate these two above equations
2x^2 = 3x + 14
2x^2 - 3x - 14
2x^2 -7x + 4x - 14
x(2x - 7) + 2(2x - 7)
(x + 2) (2x - 7)
So it can be x = -2
And, x = 7 ÷ 2
Find the missing side length.
12
15
Answer:
you need to show the shape or somet or else I can't rlly help
Answer:
If the hypotenuse is 15 and one of the sides is 12, the answer is 9.
If these are the side lengths, the hypotenuse is square root of 369, which is about 19.21
Step-by-step explanation:
A rectangle is inscribed in a circle. Find the area of the shaded region. Use 3.14 for .
Answer:
Find the area of both the square and circle and subtract the circle’s area from the square’s
Step-by-step explanation:
Answer:
yes
Step-by-step explanation:
compare fractions, -10 1/5 and -10 1/4
Answer:
4/20 - 5/20 = -1/20, and therefore, since the answer is negative, you've proven that 5/20 (or the original 1/4) is actually the bigger number, not the 4/20 (or 1/5).
Step-by-step explanation:
производительность первого станка 14 деталей в минуту А второго 10 деталей в минуту сколько первый заказ за 5 минут Сколько минут потребуется второму станку Для выполнения этого заказа
Answer:
Can you pls enter the correct question
Jacques wants to make up packs of $0.45 comic books mixed with $0.75 ones to sell at $9.00 per pack. The number of $0.45 comic books is 4 more than the number of $0.75 comic books. Find the number of each type in the pack.
Answer:
The number of each type in the pack is 5 of $0.45 comic books and 9 of $0.75 comic books
Step-by-step explanation:
A system of linear equations is a set of two or more equations of the first degree, in which two or more unknowns are related.
Solving a system of equations consists of finding the value of each unknown so that all the equations of the system are satisfied.
In this case, the unknowns or unknown variables are:
x: number of $ 0.45 comic books
y: number of $ 0.75 comic books
Jacques wants to make up packs of $0.45 comic books mixed with $0.75 ones to sell at $9.00 per pack. Then the equation that represents this situation is:
x*0.45 + y*0.75= 9
On the other side, the number of $0.45 comic books is 4 more than the number of $0.75 comic books. Then the equation that represents this situation is:
x+4=y
The system of equations to solve is:
[tex]\left \{ {{x*0.45+y*0.75=9} \atop {x+4=y}} \right.[/tex]
One way to solve a system of equations is the substitution method, which consists of solving one of the unknowns in one of the equations and substituting its value in the next.
In this case we directly replace the expression of the variable and of the second equation in the first:
x*0.45 + (x+4)*0.75= 9
Solving:
x*0.45 + 0.75*x + 4*0.75= 9
1.2*x + 3=9
1.2*x= 9-3
1.2*x= 6
x= 6÷ 1.2
x=5
Replacing this value in the expression x+4=y you get:
5 +4=y
9=y
The number of each type in the pack is 5 of $0.45 comic books and 9 of $0.75 comic books
At a glassworks, 60 pounds of composite glass is required to produce 15 pounds of glass. How many pounds of composite are
required to produce 3 pounds of this glass?
A spider is climbing up a wall. During the daytime it climbs 5 cm, but then slips back 2 cm during the night. If it started climbing from the bottom of the wall on the morning of January 30th, on what day would it first reach a height of 74 cm?
Answer:
28 days
Step-by-step explanation:
Hope this helps. Good Luck!!
The spider would reach the height of 74 cm on 24th February by the end of the day.
What is expression in mathematics?An expression in mathematics is a combination of terms both constants and variables.
Given is that a spider is climbing up a wall. During the daytime it climbs 5 cm, but then slips back 2 cm during the night.
The net distance covered by the spider in one day -
D{n} = 5 cm - 2 cm = 3cm
The spider would reach 74 cm up in -
{x} = 74/3
{x} = 24.7
This means that the spider would reach the height of 74 cm on 24th February by the end of the day.
Therefore, the spider would reach the height of 74 cm on 24th February by the end of the day.
To solve more questions on expressions, visit the link below -
https://brainly.com/question/27911936
#SPJ2
The width of a rectangle is the length minus 3 units. The area of the rectangle is 40 units. What is the width, in unit, of the rectangle?
Answer: The width is 5
Step-by-step explanation:
The equation is x*(x-3)=40 solviing for x which is 8 but since width is x-3 then 8-3=5
Add.
(2x4+x3−4x2+3)+(4x4−2x3−x2+10x+2)
Express the answer in standard form.
Enter your answer in the box.
Answer: 6x^4-x^3-5x^2+10x+5.
Step-by-step explanation:
Answer:
See screenshot
Step-by-step explanation:
What is the quantity of work done when a crane lifts a 100-N block from 2 m above the ground to 6 m above the ground?
A. 100 J
B. 200 J
C. 400 J
D. 600 J
Answer:
400j
Step-by-step explanation:
Five times a number plus six times a number.
Answer:
5x +6y
Step-by-step explanation:
let x and y be numbers
5 times a number=5x
6 times a number = 6y
now,
ans=5x+6y
HELP!! please, quick!
Answer:
The answer is B
Step-by-step explanation:
To rotate a figure 90 degrees clockwise the figure needs to be moved from (x,y) to (y,-x)
The original figure lies at A (5,5) B (5,1) C (2,1) D (1,5)
Rotating the figure 90 degrees clockwise would be A' (5-,5), B' (1,-5), C' (1,-2), D' (5-1)