You are given the expressions:
3 x (3 + 7) – 42 = 2.
Explain how you will
find the solution
Answers
Answer:
22/15=x
Step-by-step explanation:
Well first off we have to do the stuff in the parentheses-
3x(3+7)-42=2
9x+21x-42=2 Now we have to get x by itself
+42 +42
9x+21x=44 Now add the like terms
30x=44 Divide by 30
/30 /30 30 chancels out
44/30 Simplify
22/15=x
Do the parenthesis first, 3+7=10, then do the exponent and get 256,multiply 3 times 10 and get 30, do 256 divided by 2 and get 128, finally do 30-128 to get 98.
98 is your answer
Related Questions
Test test tes t testtest
Answers
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HELP ASAP WHICH OF TJE FOLLOWING IS THE SOLUTION OF THE EQUATION??( I picked a random answer)
Answers
Answer:
A
Step-by-step explanation:
helpppp me on thisss
Answers
Answer:
B
Step-by-step explanation:
3600/30/16=15/2=7 1/2
Find the measure of angle z in the following figure
Answers
Answer:
z=40 degrees
Step-by-step explanation:
a triangle is 180 degrees
<ACB=50 (180-130=50)
50+90=140
180-140=40
Answer:
40 degrees
Step-by-step explanation:
so in order to find this we first off know that every triangle's inside angles are equal to 180 degrees total.
so if we take that <A is equal to 90 degrees
then we see that the outside of <C is equal to 130 and line BCD is a confirmed straight line
then each line is equal to 180 degrees so we subtract 130 from 180 in order to find the inside angle of C so that would equal 50
so now that we know <A=90
and <C=50
then we add those two together and that equals 140 degrees
and so there is only one more angle which is <Z
so we subtract 140 from the total amount of 180 degrees in the triangle
leaving us with <Z=40 degrees
one half of a box of cereal is filled with marshmallows of those marshmallows, one sixth of them are green how much of the box is filled green marshmallows
Answers
Answer:
Hopefully, I am correct is it 1/4??
Step-by-step explains:
(Sorry If I am wrong I just guessed.)
What is the value of the missing angle?
Answers
180-150= 30
Have a good day hope I helped
180 is the whole number of an angle, so you’d take 180 (the whole) and subtract 150 (the angle shown) , which would make your answer 30.
Hope this helped!
April pays a dog-walking service $30 each week to walk her dog. Let w = the number of weeks. Let d = the number of dollars April pays the service. Part A Which equation represents the problem?
Answers
Answer:
4x+30x(14 the at that the answer
When converting, if you go from a larger unit to a smaller unit you will _____________. Divide Multiply Subtract Add
Answers
Answer:
Dividing or Subtracting
Step-by-step explanation:
Answer:
multiply
Step-by-step explanation:
When converting a larger unit to a smaller one, you multiply; when you convert a smaller unit to a larger one, you divide.
Write the equation of the line that passes through the points (1, -6) and (8, 9). Put
your answer in fully reduced point-slope form, unless it is a vertical or horizontal line.
Answers
Answer:
[tex]y-9 = \frac{15}{7} (x-8)[/tex]
Step-by-step explanation:
Point-slope form is represented by [tex]y-y_1 = m (x-x_1)[/tex]. To write an equation with it, we need the slope of the line and a point the line crosses through. We already have at least one point the line crosses through, so let's figure out the slope.
To find the slope, use the slope formula [tex]\frac{y_2-y_1}{x_2-x_1}[/tex]. [tex]x_1[/tex] and [tex]y_1[/tex] represent the x and y values of one point the line crosses, and [tex]x_2[/tex] and [tex]y_2[/tex] represent the x and y values of another point the line crosses. So, using the x and y values of (1, -6) and (8, 9), substitute them into the formula and solve:
[tex]\frac{(9)-(-6)}{(8)-(1)} \\= \frac{9+6}{8-1} \\= \frac{15}{7}[/tex]
Thus, the slope is [tex]\frac{15}{7}[/tex].
2) Now, using the point-slope form of [tex]y-y_1 = m (x-x_1)[/tex], substitute [tex]m[/tex], [tex]x_1[/tex], and [tex]y_1[/tex] for real values in order to write an equation in point-slope form. The [tex]m[/tex] represents the slope, so substitute [tex]\frac{15}{7}[/tex] in its place. The [tex]x_1[/tex] and [tex]y_1[/tex] represent the x and y values of one point on the line. So, choose any one of the points given - either one is fine - and substitute its x and y values for [tex]x_1[/tex] and [tex]y_1[/tex]. (I chose (8,9)). This gives the following equation and answer:
[tex]y-9 = \frac{15}{7} (x-8)[/tex]
x-7=7-x how many solutions are there
Answers
Answer:
There is one solution
Step-by-step explanation:
2x=14
There is only one that could solve this, that wold be 7 and no other number besides -7
Lisa added
4 7/15 and 5 2/5 to get a sum of 10 2/15.
Which of the following explains whether her answer is reasonable?
A.
No; 7/15and 2/5 are both less than 1, so the sum has to be less than 10.
B.
No; 7/15 and 2/5 are both less than 1/2, so the sum has to be less than 10.
C.
No; 7/15 and 2/5 are both greater than 1/2, so the sum has to be less than 10.
D.
Yes; 7/15 and 2/5 are both greater than 1/2, so the sum has to be greater than 10.
Answers
Answer:
B
Step-by-step explanation:
i did it
Pls can you help me
9xy · (2/3x)³ = (__ / __) x⁴y
Answers
Answer:
8x4y
————
3
Step-by-step explanation:
:)
This graph shows the relationship between x, the number of hours Mr. David
works, and y, the number of dollars he ears.
Mr. David's Earnings
A. Based on the graph, is the relationship between x and y proportional?
Explain your reasoning
B. What does the point (3,90) represent in the context of this situation?
C. Based on the graph, how many dollars will Mr. David earn if he works
10 hours? Show or explain how you got your answer.
D. Write an equation that could be used to find y, the number of dollars
Mr. David earns for working x hours.
Answers
Answer:
A. Proportional by $30
B. 3 represents the hours he works
90 represents the money he earned
C. $300
D. I don know, sorry
Step-by-step explanation:
The relationship is linear, the point (3, 90) represents in 3 hours he earns 90 dollars, in 10 hours, he earns 300 dollars, and the linear equation is y = 30x.
What is the linear system?A Linear system is a system in which the degree of the variable in the equation is one. It may contain one, two, or more than two variables.
This graph shows the relationship between x, the number of hours Mr. David works, and y, the number of dollars he earns.
A. Based on the graph, the relationship between x and y proportional is a linear relationship.
B. The point (3,90) represents in 3 hours he earns 90 dollars.
D. The linear equation will be
[tex]\begin{aligned} \rm y - 30 &= \rm \dfrac{90-30}{3-1} (x - 1)\\\\\rm y - 30 &= \rm 30x - 30\\\\\rm y &= \rm 30x \end{aligned}[/tex]
C. Based on the graph, the amount of money in dollars will Mr. David earn if he works 10 hours will be
y = 30x
y = 30 × 10
y = $300
More about the linear system link is given below.
https://brainly.com/question/20379472
#SPJ2
Using all the rest of my points on this all just here for points answers will be reported
Answers
Height = 4 feet tall
Radius = 1 foot
So just do pi * 1^2 * 4
3.14 x 1^2 x 4 = 12.56 cubic feet
please help me, i have been on this problem for 45 minutes.
Answers
Answer:
Step-by-step explanation:
The absolute difference is 77-(-8)=85. The only option that is equivalent is
|-8|+77
Malachy and Paul win some money and share it in the ratio 4:5. Malachy gets £44. How much did Paul get?
Answers
9514 1404 393
Answer:
£55
Step-by-step explanation:
Multiplying the given ratio units by 11 tells you the answer.
4 : 5 = 44 : 55
Paul got £55.
Solve sinx=0.8 in the interval 0≤x≤360∘ Principal value: x=53.1∘ What is the other solution in the interval?
Answers
9514 1404 393
Answer:
126.9°
Step-by-step explanation:
The sine of an angle is the same as the sine of its supplement. The other solution in the interval is ...
180° -53.1° = 126.9°
Can someone help me?
Answers
Answer:
18
Step-by-step explanation:
Hope this helps!
Answer: $25
Step-by-step explanation:
1: 0.18 * ? = 4.50
2: ? = $4.50 / 0.18
3: ? = $25
find the area.......
Answers
A= 1/2*9.1*6
= 27.3mi^2
Answer:
A= 1/2*9.1*6
= 27.3mi^2
Step-by-step explanation:
i actaully knew this im not sure why they deleted my last answer
Solve this system of equations
Y=2x
X = -y + 6
Answers
Answer:
(2, 4 )
Step-by-step explanation:
Given the 2 equations
y = 2x → (1)
x = - y + 6 → (2)
Substitute x = - y + 6 into (1)
y = 2(- y + 6) ← distribute
y = - 2y + 12 ( add 2y to both sides )
3y = 12 ( divide both sides by 3 )
y = 4
Substitute y = 4 into (2) for corresponding value of x
x = - 4 + 6 = 2
solution is (2, 4 )
Joe sold a total of 10 baked goods. Each cookie costs $1.25 and each brownie costs $2.50. Joe made $20 at the bake sale. How many cookies did Joe sell?
Answers
Answer:
16 cookies
Step-by-step explanation:
20/1.25=16
You take the total cost and divide it by the individule cost
Answer: Joe sold 5 cookies
Step-by-step explanation:
If you do the multipaction you will know that 2.50 x 5 = 12.50 and then you would have 5 more baked goods so then you would multiply 1.50 x 5 which equals 7.5 which when you add together equals a total of 20
Lines A and B are parallel lines cut by a transversal. Find the value of x.
A
108
X
Answers
Answer:
The value of x is 108
Step-by-step explanation:
This is because the A and B lines are parallel meaning that the point where the line passes through one will be at the same degree as the other one
ILL GIVE U BRAINLYIST
Answers
Answer:
I dont know much how to do, Im sorry, But this is the formula
Step-by-step explanation:
In order to find the Volume of a Composite Solid
You have to multiply the whole base area by the height.
Which relationships describe angles 1 and 2?
Select each correct answer.
vertical angles
supplementary angles
complementary angles
adjacent angles
Two lines intersecting in a right angle with a ray splitting the third quadrant with one labeling the left angle and two labeling the angle right of the ray
It's multiple answers. If you don't know it Please don't answer!!
Answers
Answer:
I think adjacent angles are the vertical angles but supplementary angles are 2 angles that combine to equal 180 degrees and complementary angles are 2 angles that add up to 90 degrees so the right angle with a ray splitting it is a complementary angle.
Step-by-step explanation:
Consider the linear function y = 5x + 12 and the linear function represented by the table of values below. 2 X у 2 29 4 53 6 77 8 101
Answers
Answer:
17x
Step-by-step explanation:
y=mx + b=5x +12=17x
that is all
While mining, Sandy found a large metal bar that weighed 32 grams. Sandy was also able to determine that the bar contained 75% copper. How many grams of copper are in the metal bar? Round your answer to the nearest whole number if necessary. x Clear Undo Redo
Answers
Answer:
40%
Step-by-step explanation:
make 20*5=100 , total, 8*5 which makes 40
Answer:
there would be 24 grams of copper.
Sweet Swannies Store had a sale offering 15% off all its merchandise.
Find the total discount received if I purchased the following items:
Jacket - $85
Beanie - $22
Scarf - $32
Answers
Answer:
85+22+32=139
139×15%=20.85
$20.85
or
22×15=3.30
32×15=4.80
85×15=12.75
12.75+4.80+3.30=$20.85
$20.85
what does 6+9 equal all together
Answers
Answer:
15
Step-by-step explanation:
Answer:
15
Step-by-step explanation:
6+9 is equal to fifteen. I don't really know how to explain it, its just adding 6 to 9.
1) A box is placed on the floor. The base has an area of 5 m2.
The box exerts of force of 126 N on the floor. Work out the
pressure on the
ground.
Answers
pressure = 126 N / 5 m2
so the pressure is 25.5 N/m2
what is the median in the box plot ? 50 60 70 80 90 100
Answers
Answer:Median
Arrange your numbers in numerical order.
Count how many numbers you have.
If you have an odd number, divide by 2 and round up to get the position of the median number.
If you have an even number, divide by 2. Go to the number in that position and average it with the number in the next higher position to get the median.
Step-by-step explanation: