Answer:
x=8 or -8
Step-by-step explanation:
64 squared = 8 or -8
8x8=64
-8x-8 = 64
Answer:
Take the root of both sides and solve.
x=8,−8
Step-by-step explanation:
Max is spending the afternoon at the ice rink with friends. it costs $7.00 to rent skates for a day, and $4.00 for each hour of skating. He has $20.00 to spend at the ice rink. Which inequality shows the number of hours, h, Max can skate if he also has to rent skates?
Answer:
20 greater than or equal to 4x + 7
Step-by-step explanation:
hope this helps!
solve the system of equations by graphing
3x+2y=42
4x-3y=5
Answer:
i rly hate graph them but what ever heres the graph
(8,9)
Hope This Helps!!!
Wanda Maximoff orders takeout for all her friends and has it delivered to her house. She tips the driver $8.25. The total
cost of the food was $40. What percent did she tip the driver?
Answer:
20.6%
Step-by-step explanation:
($8.25)/($40) = 0.206, or 20.6%
A bookstore tracked the data of the weight of their deliveries and the number of books in each box. They created a
scatterplot and trend line based on the data.
Which statement would be a reasonable prediction based on the scatterplot and trend line?
A. A box with 10 books should weigh about 2 pounds.
B. A box with 10 books should weigh about 4 pounds.
C.A box with 10 books should weigh about 6 pounds.
D. A box with 10 books should weigh about 12 pounds.
Answer:
✓ Answer:c
.Step-by-step explanation: I dont have time to explain.
A car valued at $14,000 depreciated 18% per year. After how many years will the value have depreciated to $1000?
Answer:
Little more than 5 years
Step-by-step explanation:
Given the following question:
Original value of the car is $14,000
18% depreciated or diminish in value per year.
How many years would it take for the cars value to reach $1000?
To find the answer we must first find 18% of the 14,000 speaking how that's how much the car value diminishes in a year.
18% of 14000:
[tex]\frac{p\times n}{100}[/tex]
[tex]\frac{18\times14000}{100} =18\times14000=252000\div100=2520[/tex]
[tex]=2520[/tex]
18% of 14000 is 2520, which means each year the cars value depreciates $2520 dollars.
[tex]14000-2520=11480-2520=8960-2520-6440-2520=3920-2520=1400[/tex]
[tex]=1400[/tex]
Which means it will take a "little more than 5 years" for the cars value to reach $1000.
Hope this helps.
What is 226. 8 rounded to the nearest whole number
Answer:
226.8 rounded to the nearest whole number is 227
Step-by-step explanation:
226 is farther away than 227 on a number line, so it rounds to 227.
1. four times a number, decreased by six
Answer:
4x-6
Step-by-step explanation:
x = a number
4 times x minus 6
graph abc with vertices a(-2,1) b(0,3) c (1,1)?
Please help
Answer:
ok don't worry graphing is super easy.
remember this right is always positive and up is always positive. Left is always negative and down is always negative.
Therefore, point a = left 2 spaces up 1
b = stay right in the middle and move 3 up on the line
c = 1 right, 1 up
Have a great day! :)
pls mark brainliest
Answer:
*View attached graph for a visualization*
Step-by-step explanation:
Rule: (x, y) → (x + 3, y - 2)
A(-2, 1) → A'(-2 + 3, 1 - 2) → A'(1, -1)
B(0,3) → B'(0 + 3 - 2) → B'(3,1)
C(1,1) → C'(1 + 3, 1 - 2) → C'(4, -1)
PS: Vertice A is written incorrectly. It should have been A(-2, 1) like they stated in the beginning.
Hope this helps!
Jeremy wants to give a 20% gratuity to his cab driver. His fare is $35.50. What is the total amount he will pay the driver?
Answer:
42.60$
Step-by-step explanation:
35.50+(20/100×35.50)
35.50+(0.2×35.50)
35.50+7.10
42.60
Stan started soccer practice at 6:00 pm. Practice lasted for 1 hour and 55 minutes. What time was practice over?
8:55 pm
6:55 pm
7:45 pm
7:55 pm
Answer:
7:55 pm is the correct time
Answer:
7:55 is the answer of the problem
a = 4 and b = -3 calculate the value of 2 a + b
Answer:
The answer is five
Step-by-step explanation:
2a + b = 5 because 2*4 = 8 and 8 - 3 equals five.
Answer:
5
Step-by-step explanation:
Plug in the given numbers: 2(4)+(-3)
Perform Multiplication: 8+(-3)
Cancel out signs: 8-3
Perform Subtraction: 5
Really need help on this
Answer:
Lol is that one 1/b^7
Step-by-step explanation:
if you need explanations dm here
solve/x+6/=8 solving absolute value equations
Answer:
x=2
Step-by-step explanation:
transpose 6
8-6 is 2
u can also check if u say 2 + 6 it will give u 8 which means 2 is correct
3 2/7 + 1 6/7
answer please this is a grade
Answer:
5 1/7
Step-by-step explanation:
Because we first add the whole numbers 3 and 1 which = 4 wholes.
Then 2 + 6=8/7 so since our nominator is more than our demionater we add another whole so now we have 5 wholes and what is left over?
1 since we took away 7 from 8 which is 1/7 so our answer is 5 wholes and 1/7
Hope this helps have a awesome day:)
[tex]Hello[/tex] [tex]There![/tex]
Let's do this step-by-step explanation![tex]3\frac{2}{7} + 1\frac{6}{7} .[/tex]
[tex]=\frac{23}{7} +1\frac{6}{7}.[/tex]
[tex]=\frac{23}{7} +\frac{13}{7} .[/tex]
[tex]=\frac{36}{7} .[/tex]
[tex]= 5\frac{1}{7} .[/tex]
ANSWER:
[tex]5\frac{1}{7}[/tex]
Hopefully, this helps you!!
[tex]XxEmilychuXx[/tex]
Can someone tell me what I did wrong?
Answer:
40 cm²
Step-by-step explanation:
Surface Area = 4 x Area of Triangle + Area of Square
= 4 x 1/2 x 4 x 3 + 4 x 4
= 24 + 16
= 40 cm²
I cannot tell what you did wrong unless provided with your calculations as well.
find a, b and c please help
Answer: a=21, b=42, c=117
Step-by-step explanation:
Help it’s math and i suck at math
Peter can paint a house in 10 hours. Melanie can paint the same house in 9 hours. How long would it take if they worked together?
Answer:
SOLUTION: It would take about 4.7 hours if they worked together.
Step-by-step explanation:
What is the value of the function when x = 2?
Answer:
The corresponding y-value where x = 2 is -2
From the given graph, we can see that we have a straight line almost passing through the origin.
There are several points on the line expressed as a coordinate (x, y). This means that for every x-value on the x-axis, there are corresponding y values
From the line, we can see that the corresponding y-value where x = 2 is -2
Step-by-step explanation:
Answer:
-2
Similarly construct a horizontal line which goes through the point of intersection. The value of the function here at x = 2 is -2. Therefore, the value of the function is -2.Step-by-step explanation:
good evening! Can someone please answer this, ill give you brainliest and your earning 50 points. Would be very appreciated.
[tex]\\ \rm\longmapsto f(x)=40(0.6)^x[/tex]
Now
x=4[tex]\\ \rm\longmapsto f(4)[/tex]
[tex]\\ \rm\longmapsto 40(0.6)^4[/tex]
[tex]\\ \rm\longmapsto 40(1.3)[/tex]
[tex]\\ \rm\longmapsto 5.2ft[/tex]
Option A
Answer:
5.2 ft (nearest tenth)
Step-by-step explanation:
Given function: [tex]f(x)=40(0.6)^x[/tex]
where:
[tex]f(x)[/tex] = height of each bounce (in ft)[tex]x[/tex] = number of bouncesTo determine the height of the 4th bounce, substitute [tex]x=4[/tex] into the function:
[tex]\implies f(4)=40(0.6)^4[/tex]
[tex]=40 \cdot 0.1296[/tex]
[tex]=5.184[/tex]
[tex]=5.2 \textsf{ ft (nearest tenth)}[/tex]
Kendall swam (n) laps in a pool. Sophia swam 12 lesd than Kendall. How many laps did they swim altogether
i got -3 - 2a² is that correct?
[tex]12+5a² \\ -(15-3a²) \\- - - - - \\ - 3 + 8 {a}^{2} \\ - - - - - [/tex]
Solution :-
[tex]12+5a²-(15-3a²)\\12+5a²-15+3a²\\12-15+a²(5+3)\\ -3+8a²[/tex]
Hey there!
12 + 5a^2 - (15 - 3a^2)
DISTRIBUTE -1 WITHIN the PARENTHESES
= 12 + 5a^2 - 1(15) - 1(-3a^2)
= 12 + 5a^2 - 15 + 3a^2
COMBINE the LIKE TERMS
= (5a^2 - 3a^2) + (12 - 15)
= 5a^2 + 3a^2 + 12 - 15
= 8a^2 - 3
Therefore, your answer is: 8a^2 - 3
Good luck on your assignment & enjoy your day!
~Amphitrite1040:)
James is flipping a coin twice. He says the probability that he’ll get tails both times is 1/2. Which of these is true?
James flipping the coin is an illustration of probability
James' claim is false
How to determine the true statement
The sample space of a coin is:
S = {H,T}
So, the probability of obtaining a tail is:
P(T) = n(T)/n(S)
This gives
P(T) = 1/2
When the coin is flipped twice, the probability that he’ll get tails both times is
P(T and T) = 1/2 * 1/2
Evaluate the product
P(T and T) = 1/4
From the question, he says the probability that he’ll get tails both times is 1/2.
Hence, James' claim is false
Read more about probabilities at:
https://brainly.com/question/25870256
omar started to run on a treadmill after setting its timer for 78 minutes. the display says that he has finished 47% of his run. how many more minutes have gone by
Answer:
36.66 minutes have gone by
Step-by-step explanation:
x/78 = 47/100 cross multiply
x times 100 = 78 times 47
x100 = 3666
/100 /100
x = 36.66
4(x+3)+3(5−x)
A
x + 27
B
x + 8
C
2x + 15
D
19x + 11
Answer:
(A). X + 27
Step-by-step explanation:
4(x+3) + 3(5-x)
4x + 12 + 15 - 3x4x - 3x + 12 + 15x + 27 (A)Answer:
4(x+3)+3(5-x)
=4x+12+(15-3x)
=4x+12+15-3x
=x+27
so its A (x+27)
8. The measure of ZH is (11x - 29). If x= 19,
find the measure of ZH, then classify the
angle.
Answer:
given ,
[tex]\bold{ZH = (11x - 29)}[/tex]
Also ,
[tex]\bold{x = 19}[/tex]
substituting the value of x in the value of ZH , we get
[tex]\bold{ZH = 11(19) - 29 }\\\bold{ ZH = 209 - 29 }\\ \bold\blue{ZH = 180}[/tex]
hope helpful~
The measure of ∠H is 180 degrees, which is a straight angle.
What is a straight angle?An angle with a measure of exactly 180 degrees is called a straight angle. It is an angle with arms that point in opposing directions from the vertex and unites to make 180°.
The given measure of ∠H is (11x - 29).
To determine the measure of ∠H when x = 19, we can simply substitute x = 19 into the expression for the measure of ∠H:
∠H = 11x - 29
∠H = 11(19) - 29
∠H = 209 - 29
∠H = 180
Here, ∠H has a measure of 180 degrees, which is a straight angle.
Therefore, the measure of ∠H when x = 19 is 180 degrees.
To learn more about straight angles click here:
https://brainly.com/question/9662298
#SPJ7
The surface area of a cube is 54. What is it's volume?
Answer:
Using the formulas
A=6a2
V=a3
Solving for V
V=6A3/2
36=6·543/2
36≈27
Your class is having a class picture taken on the lawn. The photographer is positioned 14 feet away from the center of the class. The photographer turns 50° to look at either end of the class.
a. What is the distance between the ends of the class? Round your answer to the nearest tenth.
The distance is about
feet.
b. The photographer turns another 10° either way to see the end of the camera range. If each student needs 2 feet of space, about how many more students can fit at the end of each row? Explain. Round answers to the nearest tenth when necessary.
About
more students can fit at the end of each row. The triangle formed by the
° angle has an opposite leg that is about
feet longer than the opposite leg of the triangle formed by the
° angle. Because each student needs 2 feet of space,
more students can fit on each end with about
feet of space left over.
Answer:
a) 33.4
b) About 3 students can fit at the end of each row. The triangle formed by the 60° angle has an opposite leg of that is about 7.5 feet longer than the opposite leg formed by the 50° angle. Because each students needs 2 feet of space, 3 more students can fit on each end with about 1.5 feet of space left over.
Step-by-step explanation:
A. I used the Tangent ratio which is opposite/adjacent
tan(50)=x/14
14*tan(50)=x
*Use you calculators here and you should get about 16.68, but this is only one of the right triangle, so multiply that by 2 and you should get about 33.36 which rounded should become 33.4
B. For the amount of students you can fit at the end of each row, you need to find how long the opposite leg of the 60° triangle is than the opposite leg of the 50° triangle. to do this use the tangent ratio
since the 60° triangle is a special triangle, the opposite side is 14√3
14√3 - (14 · tan(50) ≈ 7.56 ← the answer is 7.5 probably since they didn't round (in Big Ideas)
7.56/2 ≈ 3.78 ← 2 feet of space for each student
↑answer is just 3 since you cannot split living objects
The last answer is 1.5
the get the left over amount, we would have to take the length opposite leg of the 60° triangle and divide it by the length of the opposite leg of the 50° triangle
14√3 ÷ (14 · tan(50) ≈ 1.45 ← must use parentheses otherwise they will divide your answer by 14 and then multiply, which none of us wants.
how many degrees would the minute hand on a clock have to turn from 6am to reach 12pm
akeeeeeeeeeeeeeeeeeeetseeeeeeeeeeebe
Answer:
180° is the accurate correct answer
Step-by-step explanation:
mark me as brainliest
Identify the vertex of the following parabola.
y = x2 - 4x +1
Answer:
Step-by-step explanation:
Image result for Identify the vertex of the following parabola. y = x2 - 4x +1
To find the vertex of a parabola, you first need to find x (or y, if your parabola is sideways) through the formula for the axis of symmetry. Then, you'll use that value to solve for y (or x if your parabola opens to the side) by using the quadratic equation. Those two coordinates are your parabola's vertex.