Answer:
42 is correct
Step-by-step explanation:
Correct.
[tex]y^2-x =49-7 = 42[/tex]
yes, 7 squared is 49. 49-7 is 42
need help with this question
Answer:
z ≈ -0.92
Step-by-step explanation:
Put the numbers in place of the corresponding variables and do the arithmetic.
[tex]z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{pq}{n}}}=\dfrac{\dfrac{495}{1708}-0.30}{\sqrt{\dfrac{0.30(1-0.30)}{1708}}}=\dfrac{495-0.30(1708)}{\sqrt{1708(0.30)(0.70)}}=\dfrac{-17.4}{\sqrt{358.68}}\\\\\boxed{z\approx -0.92}[/tex]
Can you help me
nonsence!report
Answer:
8. B
9. A
10. C
11. B
Step-by-step explanation:
8. you factor the bottom equation and get that 1/2 and -2 are the roots
9. I would put none of the above, but that's not a choice, so the second most convincing is A
10.
11.
you can do the rest :)
A tortoise moves at a speed of 34 inches in 11 seconds. What is its average speed in feet per hour?
Answer:
927.3 feet per hour
Step-by-step explanation:
first determine how many seconds are in one hour
there are 60 seconds in one minute and 60 minutes in one hour
so there are 60x60, or 3600 seconds in one hour
now you can create a proportion of inches/seconds = inches/seconds
let 'x' = inches per hour
34/11 = x/3600
cross-multiply to get:
11x = 3600x34
11x = 122,400
x = 122,400/11
x = 11,127.3 inches per hour
to determine how many feet per hour you must divide 11,127.3 inches by 12
this equals 927.3 feet per hour
5 more than a number is 21. Write it in an equation.
Answer:
5 + x = 21
Step-by-step explanation:
5 more than a number is 21. Write it in an equation.
5 + x = 21
-------------------------
Answer:
5+x=21
Step-by-step explanation:
A number 5 is the number added to the variable "X".
----> x+5=21. Hence “5 more than a number is 21. ” written as an algebraic expression is “x+5”.
So a number 5 more than x is 21 means that if you add x+5, you recive 21
Hope it helps!!
sal made 8 diffrent pizzas. 3/4 of eat pizza was esten. How much pizza was eaten in all?
Step-by-step explanation:
6 pizzas were eaten
Identify the correct equation for following statement.
What number is 8% of 50
4
Step-by-step explanation:
8 percent * 50 =
(8:100)* 50 =
(8* 50):100 =
400:100 = 4
Each baseball hat costs the same amount of money. The cost for 18 baseball hats was $217. What is the unit price?
PLS SHOW EXPLANATION
Answer:
$12.05
Step-by-step explanation:
217 divides by 18 is 12.05
Please help me solve this
H(x)=2/3x-1
H(-3)
Answer:
-3
Step-by-step explanation:
So they are essentially giving you x, so you replace it with -3.
H(-3) = 2/3 (-3) -1
2/3 × -3 = -2
-2 - 1 = -3
H(-3) = -3 ⬅This is a true statement.
Hope this helps :)
Suppose that a ball is rolling down a ramp. The distance traveled by the ball is given by the function s(t)=6t2, where t is the time, in seconds, after the ball is released, and s(t) is measured in feet. Find the ball's average velocity in each of the following time intervals.
a.
Answer:
12
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A painter ordered 3 gallons of red paint for $35 per gallon. He ordered 5 gallons of blue paint for $39 per gallon. What is the total cost of both kinds of paint?
Answer:
$300 is the total cost for both kinds of paint
Step-by-step explanation:
1) Start by breaking down the problem so it was more simple
- Red paint is $35 per gallon; blue is $39 per gallon
2) Since it is by gallon, you will multiply the number of gallons by the cost for each to get the total cost of each
- 35 * 3 = $105 for 3 gallons of red paint
- 39 * 5 = $195 for 5 gallons of blue paint
3) Total cost together; you will add the total cost of red and blue paint together
- 105 + 195 = $300
You invested $27,200 and started a business selling vases. Supplies cost $11 per
vase and you are selling each vase for $28. Determine the number of vases, x, that
must be produced and sold to break even.
Line P passes through the point (3,4) and is Perpendicular to the line with equation 3x+2y=8. What is the equation for line p?
Answer:
y = 2/3x + 2
Step-by-step explanation:
3x + 2y = 8
2y = -3x + 8
y = -3/2x + 4
Slope : -3/2
Slope of the perpendicular line: 2/3 (slope of the perpendicular line is opposite reciprocal)
Point (3,4)
y-intercept = 4 - (2/3)(3) = 4 - 2 = 2
how many 5/16 are in 1 and 7/8
Answer:
You can fit 6 5/16 in 1 and 7/8
Step-by-step explanation:
1 7/8 = 15/8 = 30/16 = 6 5/16
Simplify the following expression.
(12 - 7) × 9 - 6
Answer:
39
Step-by-step explanation:
(12−7)×9−6
Subtract 7 from 12 to get 5.
5×9−6
Multiply 5 and 9 to get 45.
45−6
Subtract 6 from 45 to get 39.
The answer is equal to 15
Step-by-step explanation:
12 - 7 = 59 - 6 = 35 × 3 = 15counting practice 4. Your bank account requires a 4-digit personal identification number (PIN) to access. How many possible 4-digit codes are there
Answer:
10000 total possible PIN numbers.
Point P is located at (4, 8) on a coordinate plane. Point P
will be reflected over the x − axis. What will be the
coordinates of the image of point P?
Answer:
P' (4, - 8 )
Step-by-step explanation:
Under a reflection in the x- axis
a point (x, y ) → (x, - y ) , then
P (4, 8 ) → P' (4, - 8 )
Solve for x: 2x^2+3x=2
Make it equal to 0
2x2+3x=52358592020394883
how to simplify x+3x
John wants to construct a fence around his farm.
The farm is circular in shape with a diameter of 3 ft.
What is the length of fencing material he will need to fence one complete circle around his farm?
(Use 3.14 for the value of ∏ (pi))
Answer:
9.42
Step-by-step explanation:
Step-by-step explanation:
\begin{gathered}p = \pi \: r \\ \end{gathered}p=πr
=3.14 × 3ft
=9.42 ft
PLEASE I NEED HELP INSTANTLY AND I WILL GIVE BRAINLY
Work Sample Question - Justify your answer mathematically to earn full credit.
Convert the linear equation written in Standard Form (Ax + By = C) to Slope-Intercept Form (y = mx +b). To earn full credit you must show all mathematical steps to justify your final equation. The expectation is for students to rewrite the original equation, show transforming the equation, and stating the final equation in Slope-Intercept Form (y = mx + b).
Standard Form: -8x - 2y = -24
Answer:
y = -4x + 12
Step-by-step explanation:
-8x - 2y = -24
Add '2x' to both sides
-2y = 8x - 24
Divide the entire equation by (-2)
[tex]\dfrac{-2y}{-2}=\dfrac{8x}{-2}-\dfrac{24}{-2}\\\\[/tex]
y = -4x + 12
1. What is the 10th term of an arithmetic sequence
15,9,3,-6....?
Answer:
-42
i used a calculator and subtracted by 6. 6 times
plz help,
it's angles and sums
Answer:
60• okokokokokokokokokokoko
Find the slope of a line with these two points:
(3, 4) and (-1, 2)
a. -1/2
b. -1/3
c. 1/2
d. 3/4
Answer: C
Step-by-step explanation:
slope = (y2 - y1) / (x2 - x1)
= (2 - 4) / (-1 - 3)
= -2 / -4
= 1/2
Ny – 18 = -3
what’s the answer?
Step-by-step explanation: N+ 15/y,y (/=) 0
a number plus 2 is at most 1
Answer:
n+2 [tex]\leq[/tex] 1
Step-by-step explanation:
A number n plus 2 is n+2. Isa at most 1 means [tex]\leq[/tex] 1
So, n+2[tex]\leq[/tex] 1
Guided Practice
Write y = −4x^2 − 24x − 34 in vertex form.
You may refer back to your notes while solving this problem.
Step 1
Find the equation of the line of symmetry and the x-coordinate of the vertex.
Type your answer and then click or tap Done.
The axis of symmetry is the line x = Fill in the blank text field 1
.
Answer:
I think it is 4.25
Step-by-step explanation:
I multiplied 4 and 4 to get 16 and subtracted that
given m=a+b+c which equation represents c in terms of the other variables?
Answer:
m - a - b = c
Step-by-step explanation:
m = a + b + c
-a = -a Add -a from both sides
m - a = b + c
-b = -b Add -b from both sides
m - a - b = c
Find the simple Interest earned . Principal : $ 456 Interest Rate: 3% Time : 3 years
Answer:
41.04 $
Step-by-step explanation:
We Know,
Simple Interest= Principle× Rate of Interest× Time
or, 456× 3/100× 3
or, 456× 0.03× 3
or, 41.04
Therefore, Simple Interest is 41.04 $
What is the missing numerator? 8 5 3 2
Answer:
3
Step-by-step explanation:
if you put 3 into the numerator you can evaluate the equation.
by placing 3 in the numerator, you can then create a common denominator (20) which also changes the value of 3 to 12.
12 + 18 =30
if you liked my answer please mark it brainliest !! thank you <3
Which shows one way to determine the factors of x3 + 4x2 + 5x + 20 by grouping?
x(x2 + 4) + 5(x2 + 4)
x2(x + 4) + 5(x + 4)
x2(x + 5) + 4(x + 5)
x(x2 + 5) + 4x(x2 + 5)
Answer:
x²(x+4)+5(x+4)
Step-by-step explanation:
(x³+4x²)+(5x+20)
x²(x+4)+5(x+4)
Answer:
b
Step-by-step explanation:
