Answer:
x =1.28571428571
Step-by-step explanation:
6x + 2y = -10
y = -4x - 8
6x + 2(4x - 8) = -10
6x + 8x - 8 = -10
14x - 8 = 10
(we put together the like terms)
14x = 10 + 8
14x = 18
x = [tex]\frac{18}{14}[/tex]
x = 1.28571428571
What is the value of |-12| ?
Answer:
12
Step-by-step explanation:
the absolute value of any negative number is the number in positive form.
Answer:
Hello!
The value would 12 cause it is the absolute value
For example:
If the is negative 12 the absolute value would be the opposite, so it would be positive 12.
But if it was
|12| then it would stay the same
Hope this helps!
-Fishylikeswater
A car is traveling down a highway at a constant speed, described by the equation d=65t , where d represents the distance, in miles, that the car travels at this speed in t, hours. How many miles does the car travel in 1.5 hours?
Answer: 97.5m
Step-by-step explanation:
Use the drop-down menus to complete the statements.
The ordered pair given in the first row of the table can
be written using function notation as
f(3) is
f(x) = -5 when x is
Answer Notion: f(-6)=8
f(3) is -2
f(x) = -5 when x is 4
Answer:
a b b
Step-by-step explanation:
Alexis has $43 to spend at the grocery store. She needs to buy Milk that costs $2, dog food that costs $17, pasta that costs $1, soup that costs $3, and chicken that costs $12. How much money can she spend on school supplies? (assume no tax weekend)
Answer:The answer would be $8
Step-by-step explanation:
If you add up all the things she is buying and then subtract it from $43 that would be the difference. She spent $35
Andrea, Beth, & Cathy's ages are consecutive whole numbers. Andrea is the youngest, and Cathy is the oldest. The sum of their ages is 54. How old is Cathy?
Answer:
Age of Cathy = 19
Step-by-step explanation:
Find:
Sum of their ages = 54
Assume;
Age of Andrea = x
Age of Beth = x + 1
Age of Cathy = x + 2
Sum of their ages = x + x + 1 + x + 2
54 = 3 x + 3
3 x = 51
x = 17
Age of Cathy = x + 2
Age of Cathy = 17 + 2
Age of Cathy = 19
I turned the dial on my stove 45 degrees from the start position If i continue to turn the dial how many degrees further will i need to rotate it to return to the start position.
Answer:
Hello!
YOUR ANSWER IS 315 DEGREES MORE
Step-by-step explanation:
To get it to the start position is the same as TURNING IT 360 DEGREES!
So from 45 degrees to reach 360 degrees...another 315 degrees will be needed!
HOPE THIS HELPS!!
Selena and Drake are evaluating the expression (StartFraction r s Superscript negative 2 Baseline Over r squared s Superscript negative 3 Baseline EndFraction) Superscript negative 1, when r = negative 1 and s = negative 2.
Selena’s Work
Drake’s Work
(StartFraction r s Superscript negative 2 Baseline Over r squared s Superscript negative 3 Baseline EndFraction) Superscript negative 1 Baseline = (r Superscript negative 1 Baseline s) Superscript negative 1 Baseline = StartFraction r Over s EndFraction = StartFraction negative 1 Over negative 2 EndFraction = one-half
(StartFraction (negative 1) (negative 2) Superscript negative 2 Baseline Over (negative 1) squared (negative 2) Superscript negative 3 EndFraction) Superscript negative 1 = (StartFraction (negative 1) (negative 2) cubed Over (negative 1) squared (negative 2) squared EndFraction) Superscript negative 1 = (StartFraction negative 8 Over 4 Endfraction) Superscript negative 1 Baseline = StartFraction 4 Over negative 8 EndFraction = negative one-half
Who is correct and why?
Selena is incorrect because she should have substituted the values for the variables first, and then simplifed.
Selena is correct because she simplified correctly and then evaluated correctly after substituting the values for the variables.
Drake is incorrect because he should have simplified first, before substituting the values for the variables.
Drake is correct because he substituted the values for the variables first, and simplified correctly
Answer:
Selena is correct because she simplified correctly and then evaluated correctly after substituting the values for the variables.
Step-by-step explanation:
Kenji earned the test scores below in English class. 79, 91, 93, 85, 86, and 88 After his next test, his mean and median scores both change to 88. How much does he earn on this test?
Answer:
Step-by-step explanation:
We need to find what number he got on the test.
We know he got a bigger number than 88.
79+85+86+88+91+93+x.
Let's substitute x for 94.
79+85+86+88+91+93+94/2 = 88.
Since any other number thats near 94 doesn't equal 88, we know that this is exactly the right answer.
4.78 gallons of milk is sold for $11.00. If you want to buy 9.58 gallons of milk, how
much will you have to pay?
Answer:
You will have to pay $22.05.
Step-by-step explanation:
We can solve this problem by making a proportion:
4.78 gallons/11 dollars = 9.58 gallons/x dollars
By cross-multiplying, we can solve for x:
4.78x = 105.38
x = 22.05
I forgot how to do this
Answer:
[tex] \boxed{ \bold{ \huge{ \boxed{ \sf{1}}}}}[/tex]
Step-by-step explanation:
[tex] \sf{ \frac{1}{2} \times 2}[/tex]
Multiply the numerators for the numerator and multiply the denominators for its denominator and reduce the fraction obtained after multiplication into lowest term.
[tex] \dashrightarrow{ \sf{ \frac{1 \times 2}{2 \times 1} }}[/tex]
[tex] \dashrightarrow{ \sf{ \frac{2}{2} }}[/tex]
[tex] \dashrightarrow{ \sf{1}}[/tex]
Or, You can simply reduce the fraction with 2, which results to 1.
Hope I helped!
Best regards! :D
7+ (25 - 15)-42
need help!
Answer:
-25
Step-by-step explanation:
7+25−15−42
=7+10−42
=17−42
=−25
Answer: -25
Step-by-step explanation:
a circle has a radius of 2 feet. What is the circumference? Use 3.14 for Pi.
Answer:
12.57
Step-by-step explanation:
Pls halp due today >_<. Thank you!
It is constant because otherwise it wouldn't be proportional
A building is of unknown height. At a distance of 400 feet away from the building, an observer notices that the angle of elevation to the top of the building is 35º and that the angle of elevation to a poster on the side of the building is 15º. How far is the poster from the roof of the building? Round your answer to the nearest tenth.
Given :
A building is of unknown height. At a distance of 400 feet away from the building .
An observer notices that the angle of elevation to the top of the building is 35º and that the angle of elevation to a poster on the side of the building is 15º .
To Find :
How far is the poster from the roof of the building .
Solution :
Height is given by :
[tex]h=d\times tan\theta[/tex]
( Here , [tex]\theta[/tex] is angle of elevation )
So , height of tower :
[tex]H=400\times tan 35^o\\\\H=280.08 \ feet[/tex]
For height of poster :
[tex]h=400\times tan 15^o\\\\h= 107.18\ feet[/tex]
Therefore , distance of poster from the roof of the building is :
[tex]( 280.08-107.18) = $$172.9\ feet[/tex]
Hence , this is the required solution .
Each scoop of ice cream costs $3.50, which expression below represents the cost of x scoops of ice cream?
Answer:3.5•x or 3.5x
Step-by-step explanation:
(02.01)
Solve for x: 3x - 5 = 2x + 6. (1 point)
a
-1
d
-11
Answer:
Step-by-step explanation:
3x - 5 = 2x + 6
x - 5 = 6
x = 11
2 5x2 - 19x + 12
Standard form
Answer:
5x 2 19x 4
9 6x 2 19x 2
factor 5x 2 19x 4
4x 2 19x 5 0
factor 6x 2 19x 7
6x 2 19x 36Factor 5x^2-19x+12. For a polynomial of the form , rewrite the middle term as a sum of two terms whose product is and whose sum is . Tap for more steps... Factor out of . Rewrite as plus. Apply the distributive property. Factor out the greatest common factor from each group. Tap for more steps...
Step-by-step explanation:
What is the Solution
Answer:
16x=1 x=1/16 or 0.0625
2/5x=1 x=5/2 or 2.5
Step-by-step explanation:
for 16x=1 divide both sides by 16, 1 divided by 16 is 1/16 or 0.0625
for 2/5x=1 multiply by the reciprocal of 2/5 which is 5/2. 5/2 times 1 is just 5/2 or 2.5.
what is the answer to ,Evaluate 2⁶
What iswhat is 10 * 9 equal
Answer:
90
Step-by-step explanation:
a 13 ft ladder must reach 12 ft up the side of a house. how many feet from the house should the bottom of the ladder be placed?
a 13 ft ladder must reach 12 ft up the side of a house. how many feet from the house should the bottom of the ladder be placed?
Answer: 1 foot
Answer:
5 ft
Step-by-step explanation:
Ladder top, the wall and the horizontal distance will form a right triangle with:
Hypotenuse = 13 ftVertical leg = 12 ftHorizontal leg = xAs per Pythagorean theorem:
x² + 12² = 13²x² = 169 - 144x² = 25x =√25x = 5 ftJonus watches the second hand on an analog clock as it moves past the numbers. What is the
probability that at any given time the second hand on a clock is between the 2- and the 3-hour numbers?
Answer:1/12 or 8.3
Step-by-step explanation:
PLEASEEEEEEEEEE HELPPPPP❤️
Answer:
B
Step-by-step explanation:
-6+√-4 = -6+2i
Answer:
-6 + 2i
Step-by-step explanation:
The square root of -4 is the imaginary number: 2i The -6 stays the same. So add,, but don't combine real and imaginary numbers.
-6 + 2i
Brainliest for the correct answer
Answer:
Hey there!
w-99=119
w=218
x/3=103
x=309
y/2=146
y=292
Let me know if this helps :)
The scale factor of a room for a scale drawing is 2.3. The actual length of a wall in the room is 46 feet and the actual width of the room is 69 feet. What is the area of the scale drawing?
50 square feet
500 square feet
600 square feet
1380 square feet
PLEASE HELP ME!!!!!!!
Answer:
There's two ways to solve this.
Step-by-step explanation:
First way:
Let's divide the width and length by 2.3.
46÷2.3=20
69÷2.3=30
20×30
600 ft²
Second Way:
Let's find the area of the actual room.
46×69
3,174 ft²
Let's find the scale drawing squared.
2.3²=5.29
3,174÷5.29
600 ft²
Answer:
600
Step-by-step explanation:
answer on edge 2021
Have a great day!
(A) this relation is a function
(B) this relation is not a function
Answer:
(b) this relation is not a function because this relation is a one to many ,functions are only many to one and one to one
If the temperature starts out in the morning at 12° C but drops 18° by midnight, what is
the new temperature then?
(when they temperature drops, does it get colder or warmer?)
Answer:
it gets colder and it would be -6
Step-by-step explanation:
i hope
The diameter of a circle is 7 in. Find its area to the nearest tenth.
given the straight libe MN = NP with M(12,-3) and N(-2,9), calculate the coordinates of P.
Answer:
hello hai to question is from which class
Step-by-step explanation:
8Help me solve this Thanks
Answer:
B. p varies inversely as r
Step-by-step explanation:
Since, p varies directly as q
[tex] \therefore p\:\:\alpha \:\:q\\
\therefore p= kq.. (k = constant)... (1)\\
[/tex]
Since, q varies inversely as r
[tex] \therefore q\:\:\alpha \:\:\frac{1}{r} \\
\therefore q= \frac{k}{r} .. (k = constant)... (2)\\
[/tex]
From equations (1) & (2)
[tex] p = k\times \frac{k}{r}\\
p = \frac{k^2}{r}\\
p\:\:\alpha \:\: \frac{1}{r}\\
[/tex]
Hence, p varies inversely as r.