Please help me solve this question:
−(−D)=
Answer
D = 0
Step-by-step explanation:
-(-D) will need to be distri by -1 so a negotive times a neg is a positive so -D turns to positive D. And positive D is on the zero.
A jacket was on sale for 20% off its original price of $60. Now, it is on sale for an additional 10% off its previous sale price. Determine whether each statement is true or false. The jacket is now 40% off its original price. True or false The jacket now costs $48.00. True or false The jacket is now 72% of its original price. True or false The jacket now costs $43.20. True or false
Answer:
Step-by-step explanation:
Step one:
given
original price= $60
discount =20% of 60
discount = 20/100*60
discount = 0.2*60
discount = $12
selling price= 60-12= $48
Added price= 10% off $48
Added price= 10/100 *48
Added price= 0.1 *48
Added price= $4.8
new price= 4.8-48=$43.2
the new price of the jacket is $43.2
1. The jacket is now 40% off its original price
40/100*60=$24-----False
2. The jacket now costs $48.00-----False
3. The jacket is now 72% of its original price= 72/100*60=$43.2----True
4. The jacket now costs $43.20------True
2). Arielle has a collection of grasshoppers and crickets. She has 561 insects in all.
The number of grasshoppers is twice the number of crickets. Find the number of
each type of insect that she has
Arielle has 374 grasshoppers and 187 crickets in all.
What is an equation?An equation is an expression that shows the relationship between two or more numbers and variables.
Let's set
x = number of grasshoppers
y = number of crickets
Arielle has a collection of 561 insects, therefore
x + y = 561 [1]
The number of grasshoppers is twice the number of crickets, so
x = 2y [2]
Substituting [2] in [1]:
2y + y = 561
Simplifying
3y = 561
Dividing by 3
y = 561/3
y = 187
From [2]:
x = 374
x = 374
Hence, the number of each type of insect that she has 374 grasshoppers and 187 crickets
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What is the slope of the line that passes through
the points (9,-5) and (8,4)?
It is -9. Rise over run. 9 up, 1 to the left, 9/1 = 9. Because the line goes down to the right, it is negative.
Please put me as the brainiest.
please help?!
elsies aunt borrows $400 with an interest rate of 1.5%. how much interest will she pay after 4 years?
show work?!
Answer:
480 duh
Step-by-step explanation:
how manny sixteenths are in 15/16
Answer:
15 sixteenths are in 15/16
Step-by-step explanation: There is a 15 in the numerator.
Answer:
1
Step-by-step explanation:
1
Sumiko and Jandella ran the bleachers together today at Poly High School. Sumiko runs these same bleachers every 6 days and Jandella runs them every 16 days.
Answer:
The soonest they will see each other again is in 48 days
Step-by-step explanation:
Here is the complete question:
Sumiko and Jandella ran the bleachers together today at Poly High School. Sumiko runs these same bleachers every 6 days and Jandella runs them every 16 days. The soonest they will see each other again is in days.
Step-by-step explanation:
From the question, Sumiko and Jandella ran the bleachers together today, that is, they saw each other today.
Sumiko runs the bleachers every 6 days while Jandella runs them every 16 days
To determine how soon they will see each other again, we will list the days they will run the bleachers separately.
For Sumiko, she will run the bleachers on the
6th, 12th, 18th, 24th, 30th, 36th, 42nd, 48th, 54th, 60th, etc days after today.
For Jandella, she will run the bleachers on the
16th, 32nd, 48th, 64th, 80th, etc days after today.
From above, they will both run the bleachers on the 48th day after today.
Hence, the soonest they will see each other again is in 48 days.
The sail and mast of a sailboat form a right triangle.What is the height of the mast on the sailboat? height 20m width 12m
Answer: 16 m
Step-by-step explanation:
Using the Pythagorean theorem you can find the height of the mast.
The formula is;
a² + b² = c²
a is one side of the triangle such as the width
b is another side such as the height
c is the hypotenuse which is the longest side.
c will therefore be 20m.
a will be 12m
12² + b² = 20²
b² = 400 - 144
b² = 256
b = √256
b = 16m
6. The table shows the relationship between x and y values.
X
35
45
65
55
82
y
94
88
76
What is the slope of the linear function in decimal form?
Answer:
y = x+5 This equation satisfies all the four sets of x and y values 1.When x = 5,y = x+5 = 5+5 = 10 2.When x = 10,y = x+5 = 10+5 = 15 3.When x =15,y = x+5 = 15+5 = 20 4.When x = 20,y = x+5 = 20+5 = 25 Hence,
Step-by-step explanation:
PLEASE HELP ASAP!!! i’ll mark brainlest
Answer:
b, c, and f
just divide 24/30 and youll arrive at .8! .8 is also the same as 8/10 and 80%
$19 dollars 95% of whats the sale price
Answer:
$18.05
Step-by-step explanation:
Answer:
The sale price is $0.95
5. Factor Completely
x2 + 16x + 64
Answer:
x^2 + 16x + 64 = (x + 8) (x + 8)
Step-by-step explanation:
Hope this helps. have a nice day
What is the slope of the line 4x-3y=6
Answer:
4
_
3
Step-by-step explanation:
Write the equation of the line that passes through the points (-7,0) and (-7,-8).
Put your answer in fully reduced point-slope form, unless it is a vertical or horizontal
line.
Answer:
undefined slope
Step-by-step explanation:
the same number is on the x-axis so it is undefined
Match each graph with the correct slope of the line. drag and drop the answer
Answer/Step-by-step explanation:
✔️Slope of the first graph:
Using two points on the line, (0, 1) and (3, 2),
[tex] slope (m) = \frac{y_2 - y_1}{x_2 - x_1} = \frac{2 - 1}{3 - 0} = \frac{1}{3} [/tex]
Slope = ⅓
✔️Slope of the second graph:
Using two points on the line, (0, 0) and (1, 1),
[tex] slope (m) = \frac{y_2 - y_1}{x_2 - x_1} = \frac{1 - 0}{1 - 0} = \frac{1}{1} = 1 [/tex]
Slope = 1
✔️Slope of the third graph:
Using two points on the line, (0, 1) and (2, 2),
[tex] slope (m) = \frac{y_2 - y_1}{x_2 - x_1} = \frac{2 - 1}{2 - 0} = \frac{1}{2} [/tex]
Slope = ½
The correct slopes of the graphs are as follows:
1. m = 1 / 3
2. m = 1
3. m = 1 / 2
slope = m = y₂ - y₁ / x₂ - x₁
1.
(0, 1)(6, 3)
m = 3 - 1 / 6 - 0 = 2 / 6 = 1 / 3
2.
(0, 0)(3, 3)
m = 3 - 0 / 3 - 0 = 3 / 3 = 1
3.
(0, 1)(4, 3)
m = 3 - 1 / 4 - 0 = 2 / 4 = 1 /2
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Joseph rented a surf board for $5.25 per hour plus a $16.75 fee. Write an expression that shows how much it will cost josheph to rent the surf board for x hours
Answer:
$22 dollars
Step-by-step explanation:
Add the two numbers. x means one for mathamatics.
A baker can bake 72 muffins in 3 hours. If the baker sell each muffin for $0.85 each, how much money can the baker make?
He will make $61.20 for 72 muffins in three hours.
A recipe uses 5 cups of milk to make 10 servings. If the same amount of milk is used for each serving, how many servings can be made from three quarts? \text{1 gallon}= 1 gallon= \,\,\text{4 quarts} 4 quarts \text{1 quart}= 1 quart= \,\,\text{2 pints} 2 pints \text{1 pint}= 1 pint= \,\,\text{2 cups} 2 cups \text{1 cup}= 1 cup= \,\,\text{8 fluid ounces} 8 fluid ounces Before you try that problem, answer the question below. How many cups will you need to find the number of servings for?
Answer:
24 servings
Step-by-step explanation:
A recipe uses 5 cups of milk to make 10 servings.
We have to carry out some conversions
We have to convert 5 cups to quarts
1 quart = 2 pints
1 pint = 2 cups
Hence, 2 pints = 4 cups
1 quart = 2 cups
1 cup =0.25 quart
5 cups = x quarts
x = 5 × 0.25
x = 1.25 quarts
Hence
1.25 quarts = 10 servings
3 quarts = x
x = 3 × 10/1.25
x = 24 servings
f ( x ) = 2 ( x − 5 ) − ( 3 x + 1 ) , find f ( − 15 ) ,
Answer:4
Step-by-step explanation:if you replace each "x" in the equation with the given x (-15) then it should go as such:
2(-15-5)-(3(-15)+1)
Then simplify
2(-20)-(-45+1)
2(-20)-(-44)
-40-(-44)
-40+44
4
if /llm what is the value of x?
Answer:
[tex]x^{\circ}=137^{\circ}[/tex]
Step-by-step explanation:
Angle 43 and x are called same-side exterior anglesThat means they sum up to 180 degrees, so[tex]43^{\circ}+x^{\circ}=180^{\circ}\\43^{\circ}-(43^{\circ})+x^{\circ}=180^{\circ}-(43^{\circ})\\x^{\circ}=137^{\circ}[/tex]how many times can 19,043 go into 100
Which value, when placed in the box, would result in a system of equations with infinitely many solutions? y = 2x – 5 2y – 4x =___
–10
–5
5
10
Answer:
the answer is -10
Step-by-step explanation:
hope this helped you!!!!
Answer:
-10 the guy above is correct :3
Step-by-step explanation:
A certain lock has four tumblers, and each tumbler can assume six positions. How many different possibilities are there?
Answer:
24?
Step-by-step explanation:
4 times 6
Possibilities for one tumbler is 6. So, the number of different possibilities for 4 tumblers is 6⁴ or 1296.
Permutation:Important information:
A certain lock has four tumblersEach tumbler can assume six positions.We can use permutation to find the number of possibilities for 1 tumble.
[tex]^6P_1=\dfrac{6!}{(6-1)!}[/tex]
[tex]^6P_1=\dfrac{6!}{5!}[/tex]
[tex]^6P_1=6[/tex]
The number of different possibilities for 4 tumblers is:
6 × 6 × 6 × 6= 1296
Therefore, the number of different possibilities for 4 tumblers is 1296.
Find out more about 'Permutation' here:
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The regular pnce of a calculator is $15.98.Today you can buy it on sale for 70% of the regular price About how much will the calculator cost?
Answer:
$11.19
Step-by-step explanation:
15.98•0.70=11.19
Answer:
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Step-by-step explanation: 3pooopppppp391ti194i19iq09r4it0941it09134t901i4t943it09431ti934it9134t91i3t90349it9130ti1093it109ti190ti0910i9ti90i9103ti9i91349ti9139i04t09i34ti9130ti109ti0914ti1903ti9304ti094t130ti1043it10i0i41i(3+4=7)d
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Write an equation in slope-intercept form for each table below. Show how you found the slope and y-intercept.
Answer:
y = 2x + 1
Step-by-step explanation:
The intercept is the point where the line touches the y axis. The slope is determined by calculating the rise divided by run.
100% of 10000000
help me please
Answer:
10,000,000
Step-by-step explanation:
If you convert 100% into a decimal, which would be 1 whole, and multiply that by 10,000,000, you would get the same number.
Answer:
The answer is 10000000
Step-by-step explanation:
0.1*10000000= 1000000
3. Please convert 47 1/2 to a decimal
Answer:
47.5
Step-by-step explanation:
keep 47 there
1/2 as a decimal well we know 1/2 is equivalent to 0.5 so just combine 47 & 0.5 and you'll get 47.5
Answer
I believe it is 47.5. I hope it helps!
Need help ASAP! Please show work if you can,
i need help to solve please
Answer:
x = 52Step-by-step explanation:
Known:
What to find = x
Exterior angle = 142
Right angle = 90
Unknown:
what unknown value is = ?
Interior angle = ?
1. Find the angle of the interior angles.
180 - 142 = 38
2. Add the two known angles
38 + 90 = 128
3. Subtract from 180
180 - 128 = 52
x = 52 is the answer.Hope this helped,
Kavitha Banarjee
Convert the following fraction to a decimal: 21/35
Answer:
0.6 hope it helps
Step-by-step explanation:
Answer:
the answer is 0.6
Step-by-step explanation:
[tex]\frac{21}{35}=\frac{3}{5}[/tex]
[tex]\frac{3}{5}=0.6[/tex]
hope this helps :)