Answer:
45 x + 55 x = 350
x increases until the total equals 350
45 + 55 = 100 = relative speed of approach
(B) traveling cars meet this equation's specifications (x = 3.5)
The correct statement is option B)
What is the speed of an object?Speed is the rate at which an object's position changes, measured in meters per second. For example, if an object starts at the origin, and then moves three meters in three seconds, its speed is one meter per second. The equation for speed is simple: distance divided by time
Given here: The equation as 45x+55x=350
A car, traveling 45 mph, leaves Dallas heading for Odessa 350 miles away. At the same time, a truck leaves Odessa for Dallas traveling 55 mph on the same road.
Therefore the relative speed of the two trucks is given by 45+55=100
and let the time taken to meet is x then we can construct an equation as follows x=350/100
or, 45x+55x=350
Hence, The correct statement is option B)
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Which is the larger value below?
A)2.5×10⁴
B)3×10³
Answer:
A)2.5×10⁴
Step-by-step explanation:
A)2.5×10⁴= 25000
B)3×10³= 3000
Solve. −1.3=x−(−13.2) What is the solution to the equation? Enter your answer in the box.
Answer:
11.9
Step-by-step explanation:
Answer: x= -14.5
Hope this help
How much more is 8 3/4 than 1 1/4?
Answer:
[tex]7 \frac{1}{2} [/tex]
Step-by-step explanation:
[tex]8 \frac{3}{4} - 1 \frac{1}{4} = \frac{35}{4 } - \frac{5}{4} \\ = \frac{30}{4} \\ = 7 \frac{2}{4} \\ = 7 \frac{1}{2} [/tex]
Which equation has a solution of t = 1/4
Answer:
2t = 1 / 2
Step-by-step explanation:
2t = 1 / 2
t = 1 / ( 2 x 2 )
t = 1 / 4
Answer:
C. 2t = 1/2
Step-by-step explanation:
A. 2 1/4 + (1/4) = 4
9/4 + 1/4 = 4
10/4 = 4
2 1/2 = 4 X
B. 4(1/4) = 16
1 = 16 X
C. 2(1/4) = 1/2
1/2 = 1/2
D. (1/4) - 1 = 3/4
-3/4 = 3/4 X
Please Help! Show your work
At the school store, you buy 4 pencils and an eraser. The cost of the eraser is $0.85. Your total cost is $1.45. What is the cost of one pencil?
Answer:
it's 0.15
Step-by-step explanation:
1.45-0.85= 0.6
0.6 ÷ 4
15
pls pls pls help help pls
Answer:
b or 7/9
Step-by-step explanation:
Answer:
The correct answer is B: 7/9
A motorboat moves across a lake at a constant speed. When it begins, it is 55 km from the shore. After 12 minutes, it is 19 km from the shore. Which function describes the motorboat's distance from the shore?
A. y = –12x + 19
B. y = –3x + 55
C. y = 3x + 55
D. y = –12x + 55
Answer:
y= _3x+55
Step-by-step explanation:
we conqet two points
(0,55) (12,19)
55=B subsiquent two points into the equation
19=a,12+55
a=-3
b=55
so we choose B
Answer:-3x=55
Step-by-step explanation:I had to do it
Again, I could use some help on these as well, and i might be sending another question as well
Answer:
B?
Step-by-step explanation:
What is the cost of 2.6 pounds of cheese at $6.75 per pound
WORTH A LOT OF POINTS BRAINLIEST IF CORRECT
Answer:
$17.55
Step-by-step explanation:
simply multiply the price by the amount of the product so: 2.6*6.75= 17.55
Using subsitution, which value of x makes this equation true?
Answer:
x = 3/5
Step-by-step explanation:
After substituting each option into the equation, we find that the only option that makes the equation true is x=3/5, since 4/5 - 3/5 = 1/5.
Honestly dunno what 2 do
Step-by-step explanation:
For number one, you are looking for how many multiplication equations can equal the number given. For example,
C) 12: 1, 12, 6, 2, 3, 4,
For number 2, composite numbers are numbers that are products of two smaller numbers.
For example, 30=15x2, so it is composite. Try dividing the numbers to see if they are composite.
For number 3,
a) two factors: 5 (1, 5)
b) four factors: 15 (1, 15, 3, 5)
c) five factors: 20 (1, 2, 4, 5, 20)
Answer:
Step-by-step explanation:
b) 8: 1, 2, 4, 8
c) 12: 1, 2, 3, 4, 6, 12
d) 16: 1, 2, 4, 8, 16
e) 9: 1, 3, 9
f) 18: 1, 2, 3, 6, 9, 18
g) 50: 1, 2, 5, 10, 25, 50
h) 45: 1, 3, 5, 9, 15, 45
i) 60: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
j) 42: 1, 2, 3, 6, 7, 14, 21, 42
2a) 30: is a composite number
b) 31: not composite
c) 32: is a composite number
d) 33: is a composite number
e) 34: is a composite number
f) 35: is a composite number
g) 36: is a composite number
h) 37: not composite
NOTE: a composite number has more than two factors
3a) two factors: 11
b) four factors: 6
c) five factors: 16
You are converting the numbers shown below into scientific notation. Which of the options will be a number times 10−6? Select all that apply.
A)0.00578
B)0.00000445
C)0.000002243
D)0.000091
Help me please! correct answer gets brainliest!!
Answer:
T = 7
Step-by-step explanation:
pls help and only help if you actually know the answer
Step-by-step explanation:
simple: it will become 3 times 1/9 = 1/9+1/9+1/9 = 3/9 , which will eventually be 1/3, when both numerator and denominator will be divided by thier common factor that is 3
Help! I will give brainliest if correct
Answer:
the awnswr i believe is B, because a funcion has diffrent x's
Answer:
No, its not.
Step-by-step explanation:
1/4 times the sum of a number and −3.2 is 1.8
What is the number?
Enter your answer as a simplified mixed number.
The mixed number for the given case can be obtained as 10²/₅.
How to write a linear equation?A linear equation for the given case can be written by assuming any variable as the unknown quantity. Then, as per the given data the required operations are done and it is equated to some value.
Suppose the number be x.
Then, the following equation can be written for information given as,
1/4(x - 3.2) = 1.8
It can be solved as,
x - 3.2 = 1.8 × 4
⇒ x = 7.2 + 3.2 = 10.4
It can be written in mixed form as below,
10.4 = 10 + 4/10
⇒ 10 + 2/5 = 10²/₅
Hence, the required number is 10²/₅.
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If somebody could answer this I’ll give you a crazy amount of points
Answer:
See below
Step-by-step explanation:
1. 223 is q added to 158
223 = q + 158
2. d divided by 34 is the same as d
d / 34 = d
3. 299/b = t
4. p = 204 × p
5. 103 is equal to m added to 343
103 = m + 343
Hope that helps! :)
(Also, can you mark me as brainliest?)
help me please i need to find out what the sum is and what the product is and the remaining qotient
Answer:
Quotient 5/6
Product 8b
Sum 5/6+8b
Step-by-step explanation:
Sum is addition and there is only one expression of the three that has addition. So sum goes with 5/6+8b.
Quotient is division or fraction so 5/6 is the expression to go with quotient.
Product is times so 8b is the expression that goes with that because 8b means 8 times b.
Answer:
Quotient 5/6
Product 8b
Sum 5/6+8b
Step-by-step explanation: pls follow and star
ANSWER ASAP
For each table, write the equation that represents the price per ticket.
Answer:
Multiply.
Step-by-step explanation:
2 * 15 = 30
5 * 37.50 = 187.5
6 * 45 = 270
8 * 60 = 480
480 + 270 = 750
187.5 + 30 = 217.5.
I need help I am struggling with this!
Answer:
I THINK (so so so so so so so so sorry If you get wrong :( ) C. (8, 5)
Step-by-step explanation:
Since it is a linear equation I assumed the formula y2 - y1/ x2 - x1 would equal the solution
SORRY! if it is wrong
I really do apologize/
Answer:
I am pretty sure that it is c. (8,5)
Step-by-step explanation:
What is the constant of proportional for y=-1/2x
Answer:
-1/2 ?
Step-by-step explanation:
hey you can help me help pls
Answer:
[tex]2\frac{4}{5}[/tex]
Step-by-step explanation:
Rewriting our equation with parts separated
[tex]=9+\frac{1}{5} -6-\frac{2}{5}[/tex]
Solving the whole number parts
[tex]9-6=3[/tex]
Solving the fraction parts
[tex]\frac{1}{5} -\frac{2}{5} =-\frac{1}{5}[/tex]
Combining the whole and fraction parts
[tex]3-\frac{1}{5}=2\frac{4}{5}[/tex]
A parabola with no real zeros, a negative leading coefficient, and an odd y-intercept.
pls help!
Answer:
Step-by-step explanation:
A parabolic graph with no real zeros never touches or crosses the x-axis.
If the leading coefficient is negative, that tells us that the parabola opens down (and, in this case, that the entire graph is below the x-axis, because there are no real zeros.
If the y-intercept is odd, then the constant term, c, in ax^2 + bx + c, must be a negative, odd integer.
Suppose we say that the vertex of a particular parabola that is described by the above is (-2, -1) and that the y-intercept is -3. (Note: this is strictly an example.) Then the vertex equation of this parabola is obtained from the general vertex equation of a parabola,
y = a(x - h)^2 + k. Here h = -2 and k = -1, and so the particular parabola is
y = -a(x + 2)^2 - 1, where a is a constant and -a is negative.
In general form, this would be y = -a(x^2 + 4x + 4) - 1, or
y = -ax^2 - 4ax - 4a -1
and the constant terem (-4a -1) must be an odd negative integer
This is only one of an infinite number of possible equations for the parabola described above.
Answer:
A parabolic graph with no real zeros never touches or crosses the x-axis.
If the leading coefficient is negative, that tells us that the parabola opens down (and, in this case, that the entire graph is below the x-axis, because there are no real zeros.
If the y-intercept is odd, then the constant term, c, in ax^2 + bx + c, must be a negative, odd integer.
Suppose we say that the vertex of a particular parabola that is described by the above is (-2, -1) and that the y-intercept is -3. (Note: this is strictly an example.) Then the vertex equation of this parabola is obtained from the general vertex equation of a parabola,
y = a(x - h)^2 + k. Here h = -2 and k = -1, and so the particular parabola is
y = -a(x + 2)^2 - 1, where a is a constant and -a is negative.
In general form, this would be y = -a(x^2 + 4x + 4) - 1, or
y = -ax^2 - 4ax - 4a -1
and the constant terem (-4a -1) must be an odd negative integer
This is only one of an infinite number of possible equations for the parabola described above.
pls pls help help pls help me out
Answer:
49
Step-by-step explanation:
28 / (4/7)
= 28 * 7/4
= 7*7
= 49
Answer:
The answer is 49
Step-by-step explanation:
Trust me I'll edit and show my work if you'd like but there
Please help, I’m actually confused on this one lol
Answer:
Hmmm this is tricky maybe ask your teacher for help
Step-by-step explanation:
[tex]\text{I think it is} ~ y = \dfrac{10}3= 3 \dfrac 13 \text{ when x =10 because the relation is}~ y = \dfrac{x}3[/tex]
A proportional relationship is represented by the equation 2x=18y. If y=kx, where k is the constant of proportionality, then what is the value of k?
Which of the following best describes the equation below?
y = 3x^3-11
A.
neither linear nor nonlinear
B.
linear
C.
nonlinear
D.
both linear and nonlinear
The value of a professional basketball player's autograph rose 40% in the last year. It is now worth $294.00. What was it worth a year ago
Answer:$210
Step-by-step explanation: First you have the original worth which is equal to 100% and an additional $40%. Next you divide the current worth by 140% which can be written as 1.4. The result is $210 as the worth a year ago.
Andre was trying to write 7⁷/ 7⁻³ with a single exponent and wrote 7⁷/ 7⁻³ = 7⁴⁻³ = 71 Explain to Andre what his mistake was and what the answer should be.
Answer:
It should be 16
Step-by-step explanation:
You should mutiply the expoents to get your answer
A store is making 720 limited edition watches available for sale throughout the month. Each day, 6.25% of these watches will be made available for sale.
How many watches will have been made available for sale after 5 days?