Answer:
30
Step-by-step explanation:
12 is 40% of the total number of cards.
12 = 0.4x, where x is total number of cards
/0.4 /0.4
30 = x
30 cards
Rewrite the equation by completing the square.
6 - 16 = 0
(x +
Answer:
6-16=10x here is you answer
When Josh and Sean were each 5 years old, Josh was 1.5 inches taller than Sean. Josh grew at an average rate of 2.75 inches per year from the time that he was 5 years old until the time he was 13 years old. Josh was 63 inches tall when he was 13 years old. How tall was Sean when he was 5 years old?
A. 39.5 inches
B. 42.5 inches
C. 44.75 inches
D. 47.75 inches
Step-by-step explanation:
josh is 1.5 inches taller than sean
so, let sean's height be x
sean = x
josh = x + 1.5
each year josh gain 2.75 inches, and now he's 13 so how many year has passed
13 y - 5 y = 8
then how tall he grew
2.75×8=22
x + 1.5+22=63
x=63-22-1.5
x=39.5
I will give brainliest and 25 points
pls help me,I don't know how much longer I can stare at this question and please only answer part two,I already did part one and three.and pls include an explanation on how you found the answer.pls and thank you
The following dot plot represents a random sample of elementary students and the number of children that live in their home. Part 1: What is the range of the data set? Part 2: What is the interquartile range of the data set? Part 3: What is the mean absolute deviation of the data set? [Round both the mean and the mean absolute deviation to the nearest tenth.]
Answer:
30 i think please be right
Answer:
its 30
Step-by-step explanation:
plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz
Answer:
60 degrees
Step-by-step explanation:
A triangle is 180 degrees and there is already 40 and 80 degrees.
So... 180-80-40=60 degrees.
Hope this helps :D
Determine the slope of the line that passes through the points
(6,4) and (2,7).
Answer: -3/4
Step-by-step explanation:
change of y/change if x
so 7-4/2-6 which gets you -3/4
Lemme know if you need a better explanation hope this helps
Ron and Freddy built structures out of snap cubes. Ron's tower had an 8-inch square base. Freddy had a 6-inch square base. If Ron's tower had a volume of 320 cubic inches and Freddy's had a volume of 180 cubic inches, Whose tower was taller? Explain your reasoning.
Answer: Ron tower's
Step-by-step explanation:
Given
Ron tower has a base of [tex]A_r=8\ in.^2[/tex]
Freddy tower has a base of [tex]A_f=6\ in.^2[/tex]
Suppose the tower is in the shape of a square prism
The volume of Ron and Freddy tower is [tex]320\ \text{and}\ 180\ in.^3[/tex]
The volume of a square-based prism is [tex]V=\frac{1}{3}a^2h[/tex]
[tex]\therefore \text{height of Ron tower is}\ h_r=\dfrac{3V}{A_r}\\\\\Rightarrow h_r=\dfrac{3\times 320}{8}=120\ in.[/tex]
The height of Freddy tower is
[tex]\Rightarrow h_f=\dfrac{3V}{A_f}\\\\\Rightarrow h_f=\dfrac{3\times 180}{6}=90\ in.[/tex]
Thus, the height of Ron's tower is more than Freddy's tower by [tex]30\ in.[/tex]
The crispy rice treats have cooled, Mrs. Williams cuts them into 30 equal pieces. She gives two-fifths of the treats to her son and takes the rest to school. How many treats will Mrs. Williams take to school?
Answer:
18 pieces
Step-by-step explanation:
divide 30 by 5
you'll get 6
so one-fifth is equivalent to 6 of the pieces
multiply 6 by 2
you'll have 2 so two-fifths is equal to 12 pieces of rice crispy treats
subtract 12 from 30
30 - 12 = 18
So she took 18 pieces to school.
Two shops, Lidal and Oldi, sell the same brand of toilet rolls but with different package sizes. Calculate the price per 36 rolls for each shop.
Answer:
The answer is below
Step-by-step explanation:
At Lidal shop, 4 toilet rolls is sold for £2.40. Therefore the cost of each toilet roll is given as:
Cost of each roll at Lidal = £2.40 / 4 = £0.60 per roll
Cost of 36 rolls = cost for each roll * 36 rolls = £0.60 per roll * 36 rolls = £21.6
At Oldi shop, 9 toilet rolls is sold for £4.68. Therefore the cost of each toilet roll is given as:
Cost of each roll at Oldi = £4.68 / 9 = £0.52 per roll
Cost of 36 rolls = cost for each roll * 36 rolls = £0.52 per roll * 36 rolls = £18.72
Write Expresion as an Exponent
aaabbccccc
Answer:
a³b²c⁵
Step-by-step explanation:
simply count them
May you please help
Answer:
3) [tex]\frac{9}{15}[/tex]
Step-by-step explanation:
sine = [tex]\frac{opposite}{hypotenuse}[/tex]
sine = [tex]\frac{9}{15}[/tex]
One day, the outdoor temperature increased by 5/10 degree every hour for 6 hours. How much did the temperature increase by the end of 6 hours.
Answer:
3 degrees
Step-by-step explanation:
(5/10)*6
3
HELPPPPP!!! Can you TEACH ME HOW TO DO THIS and will give b
Answer:
yh I can help the answer is 185/1000 bc u have to convert it as a fraction and u can simplify it by 5 then the answer will be 37/200 plz try this if not I will tell u something else
What is the volume for this prism?? Thank you :)
Answer:
Volume = Area by height. V = A X h.
Step-by-step explanation:
i hope it helps
I'll give brainliest.
Answer
*edit* oh wow im srry
Step-by-step explanation:
Answer:
y = 5x + 4 (if the question is asking for an equation that is)
Step-by-step explanation:
Solve for the slope using y2-y1/x2-x1
Substitute: 19 - 9/ 2 - 1
Now you get 5 as your slope
Substitute this value into y = mx+b for the y - int
Remember m is the slope and b is the y intercept
After you solve for the y - intercept you get y = 5x + 4
use the grouping method to factor the polynomial below completely 3x^3+6x^2+5x+10
A. (3x^2+5)(x+2)
B. (3x^2+2)(x+2)
C. (3x^2+5)(x+5)
D. (3x^2+2)(x+5)
30 POINTS AND BRAINLIEST TO FIRST RIGHT ANSWER
Answer:
Look ate the image.
Step-by-step explanation:
Please helppppp!!!
Convert 2/7 to a decimal.
Round to the nearest hundredth.
Answer:
0.29
Step-by-step explanation:
I know
_______ :21=5:7
10:100=_______:200
12:28=_________:7
48:_________=8:9
36:75=12:________
56:120=_______:8
2:4=________:2
45:________=15:20
_______:65=9:13
180:210=_______:35
63:_______=7:8
48:72=4:_______
________:100=6:10
36:108=6:________
3:________=1:3
_________:180=8:20
81:126=9:_______
________:33=2:3
Answer:
Step-by-step explanation:
1) 10:18=5:9
2) 15:21=5:7
3) 10:100=20:200
4) 12:28=3:7
5) 48:54=8:9
6) 36:75=12:25
7) 56:120=3.733:8
8) 18:24=6:8
9) 2:4=1:2
10) 45:60=15:20
11) 45:65=9:13
12) 180:210=30:35
13) 63:72=7:8
14) 48:72=4:6
15) 60:100=6:10
16) 36:108=6:18
17) 3:9=1:3
18) 72:180=8:20
19) 81:126=9:14
20) 22:33=2:3
Answer:
1. 15 :21=5:7
2. 10:100=20:200
3. 12:28=3:7
4. 48:54=8:9
5. 36:75=12:25
6. 56:120=3.73..:8
7. 2:4=1:2
8. 45:60=15:20
9. 45:65=9:13
10. 180:210=30:35
11. 63:72=7:8
12. 48:72=4:6
13. 60:100=6:10
14. 36:108=6:18
15. 3:9=1:3
16. 72:180=8:20
17. 81:126=9:14
18. 22:33=2:3
HELP!
What is the missing term? What is the rule? 8 9/10, 7 7/10, 6 1/2 , _________
Answer:
5 3/10
Step-by-step explanation:
You subtract 1 1/5 from the number (n).
(In equation) x = n - 1 1/5
75 - 4w = 63 solve for w
Answer:
w3
Step-by-step explanation:
move the constant to the right hand side and change it's sign
calculate the difference
divide both sides of the equation by 4
9514 1404 393
Answer:
w = 3
Step-by-step explanation:
Isolate the w term by subtracting the constant on that side.
75 -75 -4w = 63 -75
-4w = -12
Get w by itself by dividing by its coefficient.
-4w/-4 = -12/-4
w = 3
classify this triangle
Answer:
Right, isosceles
Step-by-step explanation:
Right: it has a 90° angle
Isosceles: two sides of equal lengths
Which equation best represents the graph?
Answer:
The third one
Step-by-step explanation:
The graphs in the reversed shape of a cup are the graphs of quadratic equations whose coefficient of
x^2 is negative.
So, the answer must be either the first or the third.
It can be seen that when x= -4, y becomes 5.
Substituting the value of x, the third equation gives the value 5.
So, the answer is the third one.
Factor the polynomial: x^9 - x^5
Select one:
a. x^5(x^4 - 4x)
b. x^5(1 - 4x)
c. x^5(1 - x)
d. x^5(x^4 - 1)
What is the range of the function graphed below?
Answer:
(-∞, 2)Step-by-step explanation:
As we see on the graph, the range is:
(-∞, 2) ory < 2A robotics company sells robot vacuum cleaners. Since the newest model was introduced a
while back, the old model has seen its sales fall by a consistent 30% per month. If 8,400 old
vacuum cleaners were sold this month, how many will be sold 3 months from now?
Which is the correct equation for the following sequence? 1, 4, 16, 64...
Step-by-step explanation:
You multiply all your answers by 4. For example: 1×4= 4 ; 4×4=16; 16×4= 64... proceeding like that.
x is greater than or equal to 96.
x ≥ 96
easy, u sure that's the right qs?
How do you solve 6y/2y +2/6x^2y
Answer:
i think 6y=21
Step-by-step explanation:
Given ΔADC and ΔAEB, What is AE?
Answer:
AE = 43.2 units
Step-by-step explanation:
As per the given question image, it can be seen that in the
1.
2. is common to both the triangles.
3. Two angles are common, so the third angle is also equal to .
All the three angles in the are equal to each other, hence the triangles are similar.
As per the property of similar triangles, the ratio of their sides will be equal.
AB : AC = AE : AD
AC = 88 units
BC = 55 units
AB = AC - AB = 33 units
Let side AE = units
Side AD = AE + ED
So, AD =
Using the ratio:
So, AE = 43.2 units
The base (b) of the triangle is
y feet.
The height (h) of the triangle is
feet
The area of the triangle is
square feet
Answer:
10 15 75
Step-by-step explanation: