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Solving equations
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Questions (8,771)
Jan needs to solve this equation for x. What would be the best first step?
3x - 5 = 26 Responses Subtract 5 from the right side
1 answer
asked by
Anonymous ;)
139 views
Which equation has the same solution for x as x−12=40
? Responses x4=13 , x over 4 is equal to 13 x+12=−40 x plus 12 is equal
1 answer
asked by
Anonymous ;)
172 views
Principal Jordan ordered 65 cupcakes from Sweet Sue's Bakery for his monthly honor roll party. Since this was a bulk order,
5 answers
asked by
Anonymous
908 views
Select the correct answer.
Which equation, when solved, gives 8 for the value of x? A. 5/2x + 7/2 = 3/4x + 14 B. 5/4x - 9 = 3/2x
2 answers
asked by
John B
135 views
Question: Find the value of the variables in the table.
Table: X j 5 7 10 12 Y 10 13 19 k 34 A) k = 4; j = 28 B) k = 28; j = 4 C)
7 answers
asked by
Mi-Kai-La
918 views
Without using a calculator, solve for x in the equation 0.5
𝑥 × 0.1251−𝑥 = 32. (3marks)
2 answers
asked anonymously
66 views
Hello,
An airplane makes a 990 km flight with a tailwind & returns, flying into the same wind. The total flying time is 3 hrs 20
4 answers
asked by
Kayla
1,389 views
If you multiply a number by 3 and divide by 4, the result is 24. What is the number?
2 answers
asked anonymously
64 views
Solve for x: 2/7 = x/13
2 answers
asked anonymously
29 views
Which could be the first step in solving the equation represented by the model below?
3 x tiles and 4 negative 1 tiles = 2 x
16 answers
asked anonymously
163 views
how do you solve
7(3x+4)=8(2x+5)+13 expand the parenthesis...I will do the left side.. 21x + 29= Now, subtract sixteen x from
3 answers
asked by
Tony
732 views
The equation D=1.2(SQRT)H gives the distance, D, in miles that a person can see to the horizon from a height, h, in feet.
A.
2 answers
asked by
Paradise
1,041 views
In your industrial oven, you bake two baking sheets with 12 scones each, two baking sheets with 20 cookies each, and one baking
4 answers
asked by
ggift
525 views
-6r-5=7-12r
I can up with r=-3. Is this correct?
3 answers
asked by
Wendy
367 views
How to solve for x:
2^(2x) + 2^(x) -12 = 0 Steps too I tried solving this but I ended with ln(12) / 2ln(2) + ln(2) but the real
1 answer
asked by
Amy
342 views
1. What is the solution to 89+k=-42?
a. K = 131 b. K = 47 c. K = -47 d. K = -131** 2. What is the additive inverse of -7? a. -7
30 answers
asked by
Lorea
11,690 views
One more than 3 times a number is the same as 5 times the number, decreased by 15. Find the number.
• Assign the variable •
5 answers
asked by
Sarah
3,007 views
1. The difference between three times a number and 11 is 10.
Whould it be: 3x - 11 = 10? 2. One more than the difference between
20 answers
asked by
Dab
3,418 views
To guard against a fall, a ladder should make an angle of 75o or less with the ground. What is the maximum height that a 20-foot
5 answers
asked by
Anonymous
2,648 views
The depth of water, h, in metres at time t, in hours, is given by the formula: h(t)=7.8+3.5sin[pi/6(t−3)]. Its a 24 hours
3 answers
asked by
Sherry
983 views
1. patricia owned so many posters that she decided to sell 77 of them to her friends . after selling the posters , she still has
6 answers
asked by
math help
2,774 views
concert tickets are for sale online. there is a handline fee of $3.50 added to the cost of every tickets. if you uy 7 tickets
4 answers
asked by
lee
536 views
Solve:
12+4|6x−1|<4 5−6|x+7|less than or equal to 17 ...can you please explain to me.. i know that it's like solving
1 answer
asked by
jc
387 views
An ice cream shop makes vanilla and chocolate ice cream. The vanilla ice cream machine has a 180 cup capacity, and it sells 20
2 answers
asked anonymously
197 views
(2**) ***- Enter 2 missing digits at index 4 from end
_ _ 21
10 answers
asked by
as
4,354 views
change the subject of the formula
make x the Subject of the formula y = 1/2 x + 1 -2 from both sides y-2 = 1/2 x ÷ by 1/2 from
2 answers
asked by
Anonymous
576 views
1. what equation represents the following word sentence?
the quotient of a number b and 0.3 equals negative 10 i think it's b/0.3
4 answers
asked by
teaopi
2,331 views
Joe can paint a room in 6 hours while Sue can paint the same room in 5 hours. Working together, how long would it take them to
3 answers
asked by
Jennifer
1,083 views
X alpha (y÷z).x = 27 when y = 9 z= 2. (a) Find the relationship between x, y and z. (b) Find x when y =14 and z = 12.
2 answers
asked anonymously
60 views
3x+4 solve for x
4 answers
asked anonymously
47 views
3. P =
(2𝑥𝑦) 3𝑐−5𝑦 , make y the subject of the formula. A. y = 2x2 — 5p B. y = (2𝑝+5𝑐) 𝑝 C. y =
2 answers
asked anonymously
97 views
Jerry solved the system of equations.
x minus 3 y = 1. 7 x + 2 y = 7. As the first step, he decided to solve for y in the second
7 answers
asked by
What is the solution to the system of equations below? 2 x minus y = 10 and y = negative one-hal
188 views
Sarita showed the steps to solving the equation.
5 (x minus 3) + 7 (x + 4) = 73 Steps Sarita’s Solution Sarita’s Verification
10 answers
asked anonymously
104 views
The equation below has one solution.
9 x minus 10 = 3 x + 2 What is the solution to the equation? –2 –1 1 2
21 answers
asked anonymously
79 views
Maria solved the equation.
4 (3 x minus 8) minus 4 = 24. 12 x minus 32 minus 4 = 24. 12 x minus 36 = 24. 12 x = 60. x = 5. What
21 answers
asked by
zach
130 views
Select the correct answer.
What is the solution of 5/2x - 7 = 3/4x + 14? ? A. x = -6 B. x = 6 C. x = 8 D. x = 12
5 answers
asked by
John B
115 views
If s=1/2make t the subject of the formula
2 answers
asked by
Vikun Lazarus
88 views
What values for Ø (0≤Ø≤2π) satisfy the equation? 2 sin Ø cos Ø + √3 cos Ø=0
4 answers
asked by
slayrat
91 views
Show your steps. Solve the equation in the interval from 0 to 2π. Round to the nearest hundredth. 7cos(2t) = 3
2 answers
asked by
Blake
76 views
a/x+b=c make x the subject of formula
4 answers
asked by
Gift Augustine
129 views
What values for θ (0 ≤ θ ≤ 2π) satisfy the equation?
2 sinθ cos θ + √2 cos θ = 0 A. pi/2, 3pi/4, 3pi/2, 7pi/4 B.
2 answers
asked by
Blake
96 views
solve 3x²+8x+7x
A) 3x² + 15x B) 18x3 C) 3x²+1 D) 3x²-x
2 answers
asked by
ray
117 views
X-2/3=5
4 answers
asked anonymously
47 views
Mary is making chocolate milkshakes for Holly's birthday party. There will be sixteen people at the party. It takes half of a
2 answers
asked anonymously
97 views
Solve the equation by completing the square. around to the nearest hundredth if necessary.
X^2+5x=6
2 answers
asked anonymously
45 views
Which equation has exactly ONE solution?
Responses A 8+3x2 = 13 + x8 + 3 x 2 = 13 + x B 3+12x2 = 6x + 153 + 12 x 2 = 6x + 15 C
4 answers
asked anonymously
78 views
8 − 12
x = −6(34 x − 2) + 4
2 answers
asked anonymously
42 views
What values for theta (0 <= theta <= 2pi) satisfy the equation?
2 sin theta cos theta + sqrt2 cos theta = 0 a. pi/2, 3pi/4,
6 answers
asked by
Katya
90 views
A student solved the following equation using the following steps:
2(2x + 2) = 4(x + 4) 4x + 4 = 4x + 4 4 = 4 Infinite solutions
47 answers
asked by
llc
141 views
Consider the following solution of 5x plus 7 equals 92.
Step 1: 5x plus 7 equals 92 line break 5x plus 7 minus 7 equals 92 minus
2 answers
asked by
Butterball
85 views
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