Step-by-step explanation:
First subtract 7 from both sides, so now you have 1/6x = -48 then divide both sides by 1/6
so x = -288
Sorry if its the wrong answer, thats what I got
A photo album costs $10.49 before discount and tax.
There is a 30% off discount. After the discount, a 6%
sales tax is added.
What is the total after discount and tax?
Answer:
Total after tax and discount is $7.78
Step-by-step explanation:
(10.49×0.3)= 3.15
10.49 - 3.15 = 7.34
(7.34×0.06)= 0.44
7.34 + 0.44 = 7.78
Mac has taken seven maths exams this year. His average mark is 78%. What mark must he get on the eighth exam to raise his average to 80%?
Mac must get 90 on the eighth exam to raise his average to 80%.
What is average?The average is calculated as the product of all values divided by all possible values. It can also be described as mean. The mean in statistics is the average value for the particular sample or collection of data. It is determined by dividing the total number of observations by the total number of observations.
Given:
Mac has taken seven math exams this year.
His average mark is 78%.
Let x be the required score.
To find the mark to raise his average to 80%:
According to the question,
78(7) + x = 8(80)
546 + x = 640
x = 640 - 546
x = 90
Therefore, the required mark is 90.
To learn more about the average;
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What is the solution to the system of equations?
Fill in the blanks to explain one way to solve this system of equations using elimination.
6x + 2y = 14
5x – 2y = 8
First, add the two equations to get 11x =
. Then substitute
for x in either equation to get y =
.
Please answer for Brainiest.
#10) Cross multiply and divide to solve for x*
2/5 = X/70
Answer:
28=x
Step-by-step explanation:
2/5=x/70
(70/1)(2/5)=x/70(70/1)
here you cancel 70 into 5 to get 14 and on the other side cancel both the 70s
14*2=x
28=x
Answer:
28
Step-by-step explanation:
multiply 2 * 70 then divide by 5
What is the name of the transformation in which each point on a figure is turned through a given angle and direction around a given point?
Answer:
rotationStep-by-step explanation:
A rotation is a transformation in a plane that turns every point of a figure through a specified angle and direction about a fixed point. The fixed point is called the center of rotation. The amount of rotation is called the angle of rotation and it is measured in degrees.
Therefore, the fixed point is called the center of rotation.
What are the angles?
Angles are formed when two lines intersect at a point. The measure of the 'opening' between these two rays is called an 'angle'.
A rotation means that the transformation in a plane that turns every point of a figure through a specified angle and direction about a fixed point.
So,the fixed point is called the center of rotation. The amount of rotation is called the angle of rotation and it is measured in degrees.
Hence, the fixed point is called the center of rotation. The amount of rotation is called the angle of rotation and it is measured in degrees.
To know more about the angle
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pls help find the value of x
-3(3x-8) apply distributive property
Answer:
-9x+24
Step-by-step explanation:
Multiply using the distributive property. Hope this helps :)
43<9x-2
Answer please ..?
Answer:
x > 5
Step-by-step explanation:
How do I do this O-O
Answer:
1) x intercept-> 24
y intercept-> -6
2) slope-> 1/4x
3) i posted the screenshot in the description
4) -20 cups- -1 dollar
(20*.25)-6
-30 cups- 1.5
-40 cups- 4 dollars
5)- $1 -> 4
$10->40
$100-> 400
Step-by-step explanation:
hope this helps!
ABCD is a parallelogram. Find the indicated measure:
Answer:
12 12 12 12 12 12 12 12 12 1 2 12 12
bill paid $35.99 in tax on a laptop that cost $449.99. about what percent sales tax did bill pay
Answer:
Bill paid about 7% sales tax.
Step-by-step explanation:
First, to find the value of 1%, I divided $449.99 by 100, which gave me 4.4999. I then divided the amount paid for tax by the value of 1%. That;s $35.99 ÷ $4.4999 = 7.199439887977596. Obviously, you can't put that in your math homework, plus the question says "about," so you're going to round. Because the first number after the decimal point is less than five, you round down. Therefore, the sales tax is about 7%.
PLEASE HELP ASAP ILL GIVE YOU 30 POINTS Jamie is excited for spring break this year. Her family is planning a vacation! She fully intends to take 20 pictures each day. checking her phone before leaving she notices she has 75 pictures already on the phone.
Given that the vacation will last a full seven days and Jamie's phone can hold a total of 200 pictures. How many pictures will she need to delete an order to make enough room in her phone for vacation photos?
Answer:
15 photos
Step-by-step explanation:
one can start off by first seeing how many photos will be taken on the vacation. We can do that by multiplying the days with how many photos will be taken for each- so 20×7= 140. Then we can take the total amount of photos the phone cam hold-200 subtract what we already have 200-75= 125 thats how much space if left but we need more (140). So the. we can start making quick guesses by taking 5 from 75 and see what we get then taking another 5 and another if needed we get 60 that finally gives when subtracted from 200- 200-60=140 the amount of space we need. Then finally we can just do 75-60 to get the total amount of photos we must delete. 75-60= 15
Anyone help me with this please
Answer: B. 4x + 17 = 23
Step-by-step explanation:
There are 4 x's, a 17, and it shows that the total is 23.
4 x's = 4 × x = 4x
4x + 17 = 23
Hope I helped!
Answer:
Answer would be B.
Step-by-step explanation:
What is 20% of 800?
I apparently need 20 characters in this so I wrote this! Don't mind it though!
Answer:
160
Step-by-step explanation:
MARK ME BRAINLIEST
Answer:
160
Step-by-step explanation:
20/100 × 800
= 160
hope it helps
At a sale this week, a desk is being sold for $133 . This is 35% of the original price.
What is the original price?
Answer:
392.35
Step-by-step explanation:
35% + 35% is 70 % so 133 +133 is 70 % witch is 269.
next we need to figure out 30 percent and they give us 35 % so. you add to zeros to 30 because percentage is out of 100 and there are 2 zeros in 100. so it look like this
3000 ÷ 133 = 22.56 is 30% of 133
70% + 30% = 100%
269 + 22.56= 291.56 is your answer
A game controller that was $25 last year is $37 this
year. What is the percent of change in the price of the
game controller?
Twice the difference of a number and 10 is at most 20
HELP i need to find area AND perimeter there is a triangle and a rectangle
Answer:
perimeter of this figure is = 54 cm
and area of traingle is = 1/2*base *height
so = 1/2*8*6
=. 24cm*cm
and area of rectangle = length * breadth
area = 112cm*cm
so total area = 112+ 24 = 136cm*cm
hope it helps and your day will full of happiness
Answer:
138 cm^2 = Area . 54 cm = Perimeter
Step-by-step explanation:
Find the area of the triangle- b * h = A
2
8 * 6 = A
2
48/2 = A
24 = A
Find the area of rectangle- l * w = A
16 * 7 = A
112 = A
Add the areas together. 24 + 112 = 136 cm^2
Perimeter is adding up all the sides. s + s + s + s + s
16 + 7 + 8 + 10 + 13 = 54 cm
Aiden has two toy cars that measure 2/1 4 inches, three that measure 2/3 8 inches and one that measure 2/7 8 inches one that measure 2/3 4 inches.
Answer:
thats sucks
Step-by-step explanation:
Question 4 of 5
Solve y3 = 125.
O A. y = 15
O B. y = 25
O C. y = 5
O D. y = 11.2
Answer:
the answer is c. y=5 =5×5×5
Someone please explain I have zero clue how to answer this!
Answer:
x=62
Step-by-step explanation:
152-90(because of the right angle)
the 28 is a red herring
round to the nearest tenth
Answer:
Step-by-step explanation:
Say you wanted to round the number 838.274. Depending on which place value you'll round to, the final result will vary. Rounding 838.274:
Rounding to the nearest hundred is 800
Rounding to the nearest ten is 840
Rounding to the nearest one is 838
Rounding to the nearest tenth is 838.3
Rounding to the nearest hundredth is 838.27
Basic Rules of Rounding
When you "round to the nearest _____" regardless of what goes in the blank the steps are nearly always the same:
Identify which place value you are rounding to. The smaller the place value, the more accurate the final result will be.
Look to the next smallest place value, the digit to the right of the place value you're rounding to. For example, if you want to round to the nearest ten you'd look at the ones place.
If the digit in the next smallest place value is less than five (0, 1, 2, 3, or 4), you leave the digit you want to round to as-is. Any digits after that number (including the next smallest place value you just looked at) become zeros, or drop-off if they're located after the decimal point. This is called rounding down.
If the next smallest place value is greater than or equal to five (5, 6, 7, 8, or 9), you increase the value of the digit you're rounding to by one (+1). Just like before, any remaining digits before the decimal point become zeros, and any that are after the decimal point are dropped. This is called rounding up.
Round to the Nearest Hundred: 3250
Identify the hundreds digit: the 2 in 3250
Identify the next smallest place value: the 5 in 3250
Is that digit greater than or equal to five? Yes, so round up.
Increase the hundreds digit by one, so 2 becomes 3. Every digit after becomes a zero.
3250 rounded to the nearest hundred is 3300
Round to the Nearest Ten: 323.5
Identify the tens digit: the 2 in 323.5
Identify the next smallest place value: the 3 in 323.5
Is that digit greater than or equal to five? No, so round down.
The tens digit stays the same at 2. Every digit after becomes a zero. Digits after the decimal point are dropped.
323.5 rounded to the nearest ten is 320
Round to the Nearest Ten: 499
Identify the tens digit: the first 9 in 499
Identify the next smallest place value: the second 9 in 499
Is that digit greater than or equal to five? Yes, so round up.
The tens digit increases by one. Since 9+1=10, you need to carry the 1 and add it to the digit in the hundreds place. Each digit after becomes a zero.
499 rounded to the nearest ten is 500
Round to the Nearest Tenth: 0.74
Identify the tenths digit: 7 in 0.74
Identify the next smallest place value: the 4 in 0.74
Is that digit greater than or equal to five? No, so round down.
The tenths digit stays the same at 7. Since the remaining digits are after the decimal point you just drop them.
0.74 rounded to the nearest tenth is 0.7
Round to the Nearest Hundredth: 3.141
Identify the hundredths digit: the 4 in 3.141
Identify the next smallest place value: the second 1 in 3.141
Is that digit greater than or equal to five? No, so round down.
The hundredths digit stays the same at 4. Drop the digits to the right of 4.
3.141 rounded to the nearest hundredth is 3.14
Please help me! ASAP! WILL GIVE BRAINLIEST!!!
Someone please help with my brothers homework, i'll give you a five star rating and the brainliest answer! :D
Answer:
your answer would be 450
A number is greater than 8 The same number of possible solutions to the inequality
Answer:
48
Step-by-step explanation:
Answer:
There is one solution because 9 is the only number between 8 and 10.
Brainliest?
What is the value of x?
Answer:
12cm
Step-by-step explanation:
Which system below has no solution?
y=-4 * and y= 2 x-3
y= 4 * and y= 2 x - 3
y=-4* and y= 2 x + 3
y=-4-* and y= 2 x-3
Answer:
y=-4-* and y= 2 x-3
Step-by-step explanation:
Answer:
y = 4^ and y = 2 x - 3
Which of the following is an increasing exponential function whose y-intercept is 50?
y = (2)* + 50
y = 50x - 4
y = 50(1.4)*
y = 500.05)*
(The little star things are x in exponent form)
What is the slope of the line that passes through the points (-3,-9) and
(-4,-9)?
Answer:
y= -1x
Step-by-step explanation: