Step-by-step explanation:
Number of black marbles = 3
Total number of marbles = 2 + 3 + 1 + 4 = 10
P(Drawing a black marble) = 3/10
Since the drawing is replaced,
they are considered independent events.
=> P(Black marble, following by black)
= [P(Drawing a black marble)]²
= (3/10)²
= 9/100. (B)
A biologist is recording the loss of fish in a pond. He notes the number of fish, f, in the pond on June 1. On July 1 there were 63 fish in the pond, which is 52 fewer fish than were in the pond on June 1. What is the number of fish in the pond on June 1?
Which equation can be used to find the number of fish in the pond on June 1?
63−f=52
f−52=−63
f−52=63
f−63=−52
Answer:
the correct answer should be f-52=63
Step-by-step explanation:
When you add 98 to a number you usually...
Aneser:
+98
Step-by-step explanation:
when you are adding something to something to something else u put a plus sign to add it hope this helps
answeeeeeeeeeeerrr thank you
Answer:
x = 52
m<ACD = 159
m<ACB = 21
Step-by-step explanation:
1) Set up an equation.
2x + 55 = 3x + 3 (the two interior angles on the opposite of the triangle and the exterior angle are equal to the exterior angle)
2) Solve for x.
2x + 55 = 3x + 3
-x + 55 = 3
-x = -52
x = 52
3) Substitute 'x' into each angle required to find m<ACD and m<ACB.
m<ACD = 3(52) + 3
= 156 + 3
= 159
CHECK:
2(52) + 55 = 159
104 + 55 = 159
159 = 159
m<ACB + m<ACD = 180
m<ACB + 159 = 180
m<ACB = 21
Saige splits the following rectangle into 4 rows and 5 columns.
How many total same-sized squares did Saige make?
same-sized squares did saige make?
The total number of same-sized squares Saige made is 20
How to determine the number of same-sized squares?The given parameters are:
Rows = 4
Columns = 5
The number of same-sized squares is calculated as:
Square = Rows * Columns
This gives
Square = 4 * 5
Evaluate
Square = 20
Hence, the total number of same-sized squares Saige made is 20
Read more about rows and columns at:
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The museum of natural history has an auditorium that can seat 200 people. A class of 45 students is seated in the auditorium for a lecture. What decimal represents the portion of the seats in the auditorium that are empty? Please help FAST!
Answer:
.225
Step-by-step explanation:
45/200
please answer asap correctly dont troll!!!
Answer:
10
Step-by-step explanation:
Bro, again the same question))
a>17-8
a>9
A ball is launched into the sky at 54.4 feet per second from a 268.8 meter tall building. The equation for the ball’s height, h, at time t seconds is h = -3.2t^2 + 54.4t + 268.8. When will the ball strike the ground?
Answer:
7.41
Step-by-step explanation:
Vertical component:
S = 268.8
U = 0
V =?
A = 9.8
T=?
S = ut + 0.5at^2. u = 0
268.8 = 0.5x9. 8xt^2
T = 7.41 seconds
Answer:
4.42 seconds is the correct answer
Step-by-step explanation:
Solve.
X = -7
4x - 4y = 12
Submit
Answer:
Point Form:
( − 7 , − 10 )
Equation Form:
x = − 7, y = − 10
Step-by-step explanation:
Solve for the first variable in one of the equations, then substitute the result into the other equation.
Answer:
y = -10
Step-by-step explanation:
4x - 4y = 12
Substitute the x with -7, since it has been given.
4(-7) - 4y = 12
-28 - 4y = 12
Add 28 onto both sides
-28 + 28 - 4y = 12 + 28
-4y = 40
Divide by -4 to isolate the variable
-4y/-4 = 40/-4
y = - 10
Check:
Substitute the y and x
4x - 4y = 12
4(-7) - 4 ( -10 ) = 12
-28 + 40 = 12
12 = 12
or.....
try to see if x stays as -7
4x - 4y = 12
4x - 4 (-10) = 12
4x + 40 = 12
Subtract 40 onto both sides
4x + 40 - 40 = 12 - 40
4x = -28
Divide by 4 onto both sides to isolate the variable
4x/4 = -28/4
x = -7
And it's correct
Hope this helped!
What is the sum of 2x+1 and its opposite?
Answer:
Zero. The sum of anything and it's opposite is zero, that's how an opposite is defined . In this case, the opposite of 2x+1 is -(2x+1)=-2x-1 by the distributive property . Adding like terms, 2x+-2x+1+-1=0+0=0.
PLEASE ANSWER ASASP
16d + 5 = -10
what is d?
Answer:
d = -15/16
Step-by-step explanation:
To solve for D, you have to get D alone on one side of the equation (one side of the equal sign).
So get rid of the other numbers that are being added or subtracted to d first. To do that, you have to do the opposite of what is being done.
So u have +5 on the left, you have to minus it to get rid of it. Whatever you do on one side of the equation, you have to do to the other side
so 16d +5 minus 5 = -10 minus 5
the 5 cancels out on the left and -10 - 5 = -15
now you have 16d = -15
Now you have to get rid of the 16. It's being multiplied to d so to do opposite is to divide it by 16. And whatever you do on one side, u have to do on the other.
16d divided by 16 = -15 divided by 16
16d/16 = d -15/16
So d = -15/16
For the expression, value of d is,
⇒ d = - 15/16
What is an expression?Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
Given that;
The expression is,
⇒ 16d + 5 = - 10
Now, We can solve the expression as;
⇒ 16d + 5 = - 10
Subtract 5 from both side;
⇒ 16d + 5 - 5 = - 10 - 5
⇒ 16d = - 15
Divide by 16 both side;
⇒ d = - 15/16
Therefore, For the expression, value of d is,
⇒ d = - 15/16
Learn more about the mathematical expression visit:
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can someone make sure my answers are correct
Answer:
Yes they are all correct. Great job!
Answer:
yep these are correct
Step-by-step explanation:
28 divided by x+4=11
Answer:
x = -16/11
Step-by-step explanation:
28/(x+4)=11
28=11(x+4)
28=11x+44
11x=-16
x=-16/11
Answer: x=4
Step-by-step explanation:
28 divided by x+4=11
28 divided by x=7
28/7=4
Work backwards using the Distributive Property.
8(2) + 6(2) =
O 6(8+2)
O 8(2 +6)
O (8+6)2
O 2(6+2)
Justine drew a scale drawing of a house and its lot. The scale of the drawing was 1 inch : 6 feet. In the drawing, the backyard is 8 inches long. What is the length of the actual yard? QUICKKKKKKKKKKKKKKKKKKKKKKKKKKKKK
Answer:
48 inches
Step-by-step explanation:
1 inch is 6 feet.
8 inches would be 48 feet.
d + 5.5 = 10. Solve for d.
Answer:
4.5
Step-by-step explanation:
d=10-5.5
d= 4.5
we just need to minus 10 with 5.5 so that we can find d
Find the unit rate. Round to the nearest hundredth, if necessary.
$190 for 16 ft
Answer:
About $11.88 per foot
Step-by-step explanation:
2.
(04.01 LC)
Which of the tables represents a function? (5 points)
Table A
Input Output
5 3
5 2
4 1
Table B
Input Output
1 2
3 2
5 3
Table C
Input Output
0 0
1 2
1 3
Table D
Input Output
4 2
4 3
4 4
Table A
Table B
Table C
Table D
Answer: the awnser is B
PLEASE PLEASE HELP ME!
Answer:
x = 65.4
Step-by-step explanation:
Formula For Cos: cos (x°) = adjacent/hypotenuse
Adjacent = 5
Hypotenuse = 12
cos (x) = adjacent/hypotenuse
cos (x) = 5/12
x = cos⁻¹ (5/12)
x = = 65.3756816478359
x = 65.4 (rounded)
Tip: cos⁻¹ is inverse of cos.
Therefore, x = 65.4
Hope this helped! <3
Solve the system of equations:
x+y=5
-4x-2y=-8
Which point on the graph below is the solution to the system of linear equations?
A. W
B. X
C. Z
D. Y
Answer:
the correct answer would be Y! i took it!! make me most brainlessly please!!!
Step-by-step explanation:
what is 0.47 of £1 as pound sign
Answer:
In the Unicode standard, the symbol £ is called POUND SIGN, and the symbol ₤ is the LIRA SIGN.
Is this the Right answer?
Answer:
yes i think it is
Step-by-step explanation:
checked each of them
When using a number line, in which direction should you move when subtracting a negative value?
Answer:
LEFT
Step-by-step explanation:
Answer:
Move to the right when you're subtracting a negative number.
Jada made 8 cups of blueberry jam and divided the jam equally among 6 containers. How much jam went in each container?
Answer:
1.3 repeated is the answer
Answer:
Well if there is 8 cups and you want to divide it equally into 6 containers that would be 1.33 cups in each container
I will mark you brainliest if you go subscribe to seema beauty care and more on y o u t u b e and put the screenshot in answer.
Step-by-step explanation:
Just subscribed wish you the best on your channel!!!
A rectangle has an area of 6 1/2 square inches. It's length is 2 1/4 inches. What is the width
6 1/2 / 2 1/4
13/2 x 4/9= 52/18
2 16/18
2 8/9
text me (850)-814-8472.
Answer: kk
Step-by-step explanation:
If your gonna answer thanks
A.
B.
C.
D.
Can someone please get me the answer fast
Answer:
i think its 3.5 because of how it is going
-3p>-48 Solve the inequality
9514 1404 393
Answer:
p < 16
Step-by-step explanation:
Dividing the inequality by a negative number will reverse the comparison.
-3p > -48
(-3p)/(-3) < (-48)/(-3) . . . . divide both sides by the coefficient of p
p < 16
_____
Alternate solution
Add 3p+48 to both sides.
-3p +(3p +48) > -48 +(3p +48)
48 > 3p
Divide both sides by 3; no reversal is necessary.
16 > p . . . . . same answer as above, without the comparison reversal
1. Angle 3 and Angle 6 are examples of which type of angle pair?
Which has the greatest value for 1? *
A. 0.1
B. 0.21
C. 0.321
D. 0.4321