The sum of two numbers is -6. The difference is 16. Find the two numbers.
Answer:
[tex]-5\:\mathrm{and}\: 11[/tex]
Step-by-step explanation:
We can write the following system of equations:
[tex]\begin{cases}x+y=6\\x-y=16\\\end{cases}[/tex]
Adding both equations together, we isolate [tex]x[/tex] and get:
[tex]2x=22,\: x=11[/tex]
Plugging [tex]x=11[/tex] in any of the equations, we can solve for [tex]y[/tex]:
[tex]11+y=6,\: y=-5[/tex]
Verify that the solution pair [tex](11, -5)[/tex] works [tex]\checkmark[/tex]
Therefore, the two numbers are [tex]\fbox{$-5\:\mathrm{and}\: 11$}[/tex].
define seperation by evaporation
Answer:
Evaporation is great separating a mixture of a soluble solid and a solvent .The involves heating the solution until the solvent evaporates leaving behind the solid residue.
May it help you
Pls help it due ASAP
Please show workings
Can somebody help me ?
Answer:
B) part
Step-by-step explanation:
what is the velocity of a train that is traveling 400 kilometers south in 5 hours
Answer:
80 km/h
Step-by-step explanation:
Velocity = 400/5 km/h = 80 km/h
Which statements are true? Select all that apply.
9514 1404 393
Answer:
A, B, D
Step-by-step explanation:
The figure is symmetrical about the horizontal centerline, so triangles, angles, and segments above that line are congruent with corresponding segments below that line. Choices A, B, D are true statements.
__
There is nothing in the figure to indicate that ΔFGK is isosceles, so statement C cannot be considered to be true.
The surface areas of two cubes have a ratio of 49to 81. What is the ratio of the edge lengths of the two cubes
Answer:it is 3 to 4
Step-by-step explanation:
This is correct
The ratio of the edge lengths of the two cubes is 7 : 9.
What is surface area of cube?The surface area of the cube can be defined as the total area covered by all six faces of the cube.
Given
The surface areas of two cubes have a ratio of 49 to 81.
Formula of surface area of cube = 6[tex]a^{2}[/tex]
Surface area of cube 1 = [tex]6a^{2} _{1}[/tex]
Surface area of cube 1 = [tex]6a^{2} _{2}[/tex]
Surface areas of two cubes have a ratio of 49 to 81.
[tex]\frac{6a^{2} _{1} }{6a^{2} _{2}}=\frac{49}{81}[/tex]
⇒ [tex]\frac{a^{2} _{1} }{a^{2} _{2}}=\frac{49}{81}[/tex]
⇒ [tex](\frac{a_{1} }{a_{2} } )^{2} =\frac{49}{81}[/tex]
⇒ [tex]\frac{a_{1} }{a_{2} } =\sqrt{\frac{49}{81} }[/tex]
⇒ [tex]\frac{a_{1} }{a_{2} } =\frac{7}{9} }[/tex]
⇒ [tex]a_{1}:a_{2} = 7:9[/tex]
Hence, the ratio of the edge lengths of the two cubes is 7 : 9.
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What can you say about the measurements of a ramp with a slope of 1/4?
Answer:
all answers on the graph will be 4 times that amount
Step-by-step explanation:
rise over run
basically if y is 1 and its of a slope of 1/4 then youd multiply it by 4. 2/8 3/12
as well as it will always be a positive slope :)
There are 10 children at a party. If each child gets 1/8 of the pizza, how many pizzas will be needed?
Answer:
2 pizzas
Step-by-step explanation:
Plz help me!! I dont understand
Answer: D
Step-by-step explanation:
The rest are not
Sani has 2 shirts, 2 pairs of pants, and
2 pairs of socks. How many different
possible outfits can Sani wear?
Answer:
Step-by-step explanation:
It says that Sani has 2 shirts and 2 pairs of pants and 2 pairs of socks. You have to add all the up together. 2+2+2=6 He can wear 6 different possible outfits.
express the following ratio in their simplest form 65g:2kg
Answer:
we cant express it. only itself can because in 2021 we can talk to anyone and ask them a question
Mary has a garden shaped like the figure below. The drawing is not to scale.
What is the area of the garden?
Answer:
the answer is 200 square feet
Step-by-step explanation:
Lincoln constructs a triangle with one side 5 inches long and another side 7 inches long. Which is NOT a possible length for the third side?
12 inches
3 inches
6 inches
11 inches
Answer:
Step-by-step explanation:
I can help
BRAINLIEST! URGENT! If you answer both and leave an explanation, I will mark you brainliest!
the value of y is four less than one-third of x. what is the equation of the relationship
Answer:
y=1/3x-4
Step-by-step explanation:
Answer:
y=1/3x-4
Step-by-step explanation:
4 is negative cause it says less than..
how to find the area of a circle with the diameter of 30
Several ordered pairs from a continuous exponential function are shown in the table.
A 2-column table has 4 rows. The first column is labeled x with entries 0, 1, 2, 3. The second column is labeled y with entries 4, 5, 6.25, 7.8125.
What are the domain and range of the function?
The domain is the set of integers, and the range is y > 4.
The domain is the set of integers, and the range is y > 0.
The domain is the set of real numbers, and the range is y > 0.
The domain is the set of real numbers, and the range is y > 4.
Answer:
The answer is C, The domain is a set of real numbers, and the range is y>0.
Step-by-step explanation:
If you recall from the instruction, the domain has to be whole numbers, because of it is not then the function will decrease into fractions never quite reaching zero. X has to be a real number, because it cannot be a fraction to keep an increasing rate, making the domain all real numbers. The range can never hit 0, so that means y>0.
Based on the values of the ordered pairs in the table of the exponential function, the domain is a set of real numbers, and the range is y>0.
What are the domain and range of the function?
The domain of a function refers to the set of possible input values.
For a graph, the domain refers to the set of possible input values shown on the x-axis.
The range of a function is the set of possible output values.
For a graph, the range is the set of possible output values shown on the y-axis.
Based on the values of the ordered pairs in the table of the exponential function, the domain is a set of real numbers, and the range is y>0.
Learn more about domain and range at: https://brainly.com/question/10197594
Only number 14 and pls explain txs
Step-by-step explanation:
since right angle triangle,then:
180-(90+35)=B=55
use cosB=opposite/hypotenuse
cos55=x/12
x=cos55x12
x=6.88
9514 1404 393
Answer:
9.8
Step-by-step explanation:
The mnemonic SOH CAH TOA reminds you of the relationship involving the adjacent side and the hypotenuse:
Cos = Adjacent/Hypotenuse
cos(35°) = x/12
Multiplying by 12 gives x:
x = 12·cos(35°) = 12×0.81215
x = 9.8
hich list is in order from least to greatest?
1.94 times 10 Superscript negative 5, 1.25 times 10 Superscript negative 2, 6 times 10 Superscript 4, 8.1 times 10 Superscript 4
1.25 times 10 Superscript negative 2, 1.94 times 10 Superscript negative 5, 6 times 10 Superscript 4, 8.1 times 10 Superscript 4
1.25 times 10 Superscript negative 2, 1.94 times 10 Superscript negative 5, 8.1 times 10 Superscript 4, 6 times 10 Superscript 4
1.94 times 10 Superscript negative 5, 1.25 times 10 Superscript negative 2, 8.1 times 10 Superscript 4, 6 times 10 Superscript 4
Answer:
The options in the question was not properly arranged/ formatted. See the arranged options in the explanation section
The correct option is A.
1.94 times 10 Superscript negative 5, (1.9 x 10⁻⁵)
1.25 times 10 Superscript negative 2 (1.25 x 10⁻²),
6 times 10 Superscript 4 (6 x 10⁴),
8.1 times 10 Superscript 4 (8.1 x 10⁴)
Step-by-step explanation:
Which list is in order from least to greatest?
1.94 times 10 Superscript negative 5,
1.25 times 10 Superscript negative 2,
6 times 10 Superscript 4,
8.1 times 10 Superscript 4
1.25 times 10 Superscript negative 2,
1.94 times 10 Superscript negative 5,
6 times 10 Superscript 4,
8.1 times 10 Superscript 4
1.25 times 10 Superscript negative 2,
1.94 times 10 Superscript negative 5,
8.1 times 10 Superscript 4,
6 times 10 Superscript 4
1.94 times 10 Superscript negative 5,
1.25 times 10 Superscript negative 2,
8.1 times 10 Superscript 4,
6 times 10 Superscript 4
Which list is in order from least to greatest?
A.
1.94 times 10 Superscript negative 5, (1.9 x 10⁻⁵)
1.25 times 10 Superscript negative 2 (1.25 x 10⁻²),
6 times 10 Superscript 4 (6 x 10⁴),
8.1 times 10 Superscript 4 (8.1 x 10⁴)
B
1.25 times 10 Superscript negative 2 (1.25 x 10⁻²),
1.94 times 10 Superscript negative 5 (1.9 x 10⁻⁵),
6 times 10 Superscript 4 (6 x 10⁴),
8.1 times 10 Superscript 4 (8.1 x 10⁴)
C.
1.25 times 10 Superscript negative 2 (1.25 x 10⁻²),
1.94 times 10 Superscript negative 5 (1.9 x 10⁻⁵),
8.1 times 10 Superscript 4 (8.1 x 10⁴),
6 times 10 Superscript 4 (6 x 10⁴)
D.
1.94 times 10 Superscript negative 5 (1.9 x 10⁻⁵),
1.25 times 10 Superscript negative 2 (1.25 x 10⁻²),
8.1 times 10 Superscript 4 (8.1 x 10⁴),
6 times 10 Superscript 4 (6 x 10⁴)
Answer: D im taking the test For the unit test
Step-by-step explanation:
8.1 times 10 Superscript 4, is less than 6 times 10 Superscript 4
6 is a whole number and 8.1 is not.
PLEASE HELP I WILL GIVE BRAINLIEST:)
Answer:
x= 107.3-51
56.3
Step-by-step explanation:
Equation: First define your variables. We'll say x= the second number.
So we can make our equation x= 107.3-51
107.3-51 is 56.3.
So the solution is 56.3
Answer:
56.3 i the second angle
Step-by-step explanation:
107.3=x+51
subtract 51
56.3 is the second angle
What is the perimeter of rhombus STAR
Answer:
160 cm
Step-by-step explanation:
m = 5.71 + 0.25n
j = 4.66 + 0.60n
In the equations above, m and j represent
the price per gallon of milk and orange juice,
respectively, n months after December 31, 2018.
What was the price per gallon of milk when it was
equal to the price per gallon of orange juice?
A) $5.96
B) $6.21
C) $6.46
D) $6.71
Answer:
C) $6.46
Step-by-step explanation:
Equations
The price per gallon of milk (m) and the price per gallon of orange juice (j) are given below:
m = 5.71 + 0.25n
j = 4.66 + 0.60n
Where n is the number of months after December 31, 2018.
It's required to find the value of n when both prices are equal:
4.66 + 0.60n = 5.71 + 0.25n
Subtracting 0.25n:
4.66 + 0.60n - 0.25n = 5.71
Subtracting 4.66:
0.60n - 0.25n = 5.71 - 4.66
Operating:
0.35n = 1.05
n = 1.05/0.35
n = 3
The price per gallon of milk for n=3:
m = 5.71 + 0.25*3
m = 5.71 + 0.75
m = $6.46
What Is the value of -6?
Answer:
the value of -6 is -6
Step-by-step explanation:
PLEASE ANSWER QUICK I NEED HELP!!!
Use the graph to answer the question below.
What is the slope of the line given in the graph?
Answer:
_____________Y= -2X-10 __________
Answer:
y= -2/1x + 10
What is the slope of the line that passes through the points (-10,0) and (-13, 3)?
Write your answer in simplest form.
Answer:
Submit Answer
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O
Answer:
-1
Step-by-step explanation:
Remember: Slope is rise/run
It rose 3
It ran -3
So -1
Please help
Need working for 2 and 3
Answer:
Question 3:
51/16
As a mixed number =
3 3/16
Step by step explanation:
You have to convert the fraction into improper fractions so 8 ½ = 17/2
and 2⅔ = 8/3
then you do 17/2 ÷ 8/3 which =
51/16 theb turn this number into a mixed number which is
3 3/16
Anyone know the answer to this?
Answer:
124.80 ft
Step-by-step explanation:
Height of Daniel = 6 ft
The angle of elevation from his eyes to the top of the statue is = 68°
Daniel is 48 ft away from the base of the statue
To find the height of the statue apply the tangent of an angle formula then add height of Daniel as;
Tan 68° = h/48
h= {48 tan 68°} + 6 ft
h= 124.804168964
h= 124.80 ft
A 100 feet driveway climbs 5 feet in height to reach the garage. What is the angle of the driveway in degrees. Report answer to nearest 0.1\displaystyle ^{\circ} ∘ (one decimal place).
Answer:
Slope and Width
If it's too flat, drainage may become an issue, and if it's too steep, the surface becomes slippery and dangerous. As a general rule, a driveway should be less than a 15% grade, which means that it should not rise more than 15 feet over a distance of 100 feet.
Step-by-step explanation:
mark as BRAINLY
a 100oz bottle costs $2.97 and a 200oz bottle costs $5.78 what is the unit price of each one?
Answer: BOTTLE 1 =0.0297 BOTTLE 2 =0.0289
Step-by-step explanation:
In a unit rate, the denominator is always 1. So, to find unit rate, divide the denominator with the numerator in a way that the denominator becomes 1. For example, if 50 km is covered in 5.5 hours, the unit rate will be 50 km/5.5 hours = 9.09 km/hour
bottle 1: $2.97/100 oz = unit rate
bottle 2: $5.78/200 oz=unit rate
BOTTLE 1 =0.0297
BOTTLE 2 =0.0289