Answer:
7 cmStep-by-step explanation:
Volume of the prism is the product of its base area and height
V = AHV = 1260 cm³H = 18 cmFind base area:
A = 1260/18 = 70 cm²Area of the trapezoid:
A = 1/2(b₁ + b₂)hSubstitute given values and solve for h:
70 = 1/2(12 + 8)h70 = 10hh = 70/10h = 7 cmFind area of base
Volume/Height1260/1870cm²Now
Height of trapezoid base be x
1/2(12+8)x=7020x=140x=7cm26. The two triangles below are similar. What
is the perimeter of triangle XYZ?
Answer:
24
Step-by-step explanation:
6 ÷ 15 = 0.4
X to Y = 20 × 0.4 = 8
Y to Z = 25 × 0.4 = 10
Perimeter: a + b + c
6 + 8 + 10 = 24
Even I am surprised by what I wrote. Hopefully, it is right and helps you ^-^ Please comment if you have any questions.
-Tay did this
2x²-3x-5 (Factor completely)
[tex]\tt{} {2x}^{2} - 3x - 5[/tex]
[tex]\tt{} {2x}^{2} + 2x - 5x - 5[/tex]
[tex]\tt{}2x \times (x +1 ) - 5(x + 1)[/tex]
[tex]\tt{}(x + 1) \times (2x - 5)[/tex]
What is the perimeter of the composite figure?
Answer: 96 cm
Step-by-step explanation:
The perimeter is the combined sum of the sides.
So 18 + 22 + 3 + 8 + 6 + 15 = 72
To find the 2 missing sides we use the information we already have.
On the top, we can see 18 is overall the largest line from the missing side.
So we'll need to subtract something from 18.
15 - 8 = 7 ( Inferencing )
18 - 7 = 11 ( length of the top missing side )
22 - 9 = 13
11 + 13 + 72 = 96 cm
Answer: The perimeter is 85 cm
Step-by-step explanation:
To find the perimeter you will need to add the distance around the shape.
But there seem to be one missing side .
To find that missing side we will have to add 3cm and 6 cm then subtract it from 22.
3 + 6 = 9
22 - 9 = 13
Now add the distance around the shape plus the 13.
22 + 15 + 6 + 8 + 13 + 3 + 18 = 85
Given that the random variable X = number of days a student sleeps in during the week, what is the correct notation for the probability that a student will sleep in at least 3 days?
Answer:
X > 3/7Step-by-step explanation:
X > 3/7
We know that the student sleeps in at least 3 days, but we don't know what the exact number is, we use an inequality where X is greater than or equal to 3 out of the 7 days.
help me pls
which equation represents a line which is parallel to the line.
y=3x-8
What is the area of a triangle with a base of 24 inches and a height of 8 inches? Remember the formula to find the area of a triangle is 1/2bh (1/2 x b x h). Also, remember how to label your answer!
Answer:
96inches
Step-by-step explanation:
24*8=192
192/2=96
a farmer was on his tractor and drove by some chickens and pigs in his field he counted 30 heads and 84 legs
Determine whether enough information is given to prove that the triangles are congruent
1. Yes
2. No
In a secondary school there are 40 classes altogether.
8 of the classes are Year 7 classes.
What fraction of the classes in the school are Year 7?
Give your answer in its simplest form.
HELPPPP ASAPPP MARKING BRAINLIEST
Answer:
1) a
2) c
3) a
Step-by-step explanation:
1) Subsitute
2.14x - 42.9 = ?
2.14(22.4) - 42.9 = ?
47.936 - 42.9 = ?
= 5.036
2) Factor out
6y^2 + 27y
both have 3 and y in common so ...
3y(2y + 9)
3) Distribute
12m(m - 3n)
12m * m = 12m^2
12m * -3n = -36mn the only reason -3 is NOT a positive is b/c it has subtraction sign b4 the number
put it in order:
12m^2 - 36mn
Kate is painting a ceramic paperweight shaped like a rectangular prism, as shown here. She wants to find the surface area of the paperweight so she can determine how much paint she needs.
The area of one of the bases is .
The area of each lateral rectangular face is .
The surface area of the paperweight is .
Answer:
area of one of the basses is 1.44 square feet
area of each lateral rectangular face is 0.96 square feet
SURFACE AREA OF THE PAPERWEIGHT IS 6.72 square feet.
Step-by-step explanation:
Answer:
The other person is 100% right! Give them brainliest :)
Step-by-step explanation:
-2.73 as a mixed number
7.23 I think I do not know
A function has cheating x's.
True
False
List all the integers that satisfy
2< x < 6
Answer:
3,4,5
Step-by-step explanation:
Integers means whole number
< and > means that the integers can't be the same as the number before.
Hope that helps!!
please help best anwser gets brainly anwser the 2 question no work needed
Answer: 16⁹ and False.
Step-by-step explanation:
Answer:
B ,false
Step-by-step explanation:
(7x^3)(3x^7)
Multiply.
Your answer should be a monomial in standard form.
(3.2 + 6.8)x - (36 divided by 4)x PLEASE HELPPP
Answer:
i dont no but what i got was 10x+144d^3 but do u want to sovle for x i got u X
Step-by-step explanation:
my hair is so curly lol
Answer:
You're a beauty! (I'm a girl so don't take it personally) Your hair is really curly!
Step-by-step explanation:
pls help i really really need help on this. We just learned this but i can't remember it.
I'm really sleepy and wanna sleep. So i would appreciate your help.
:)
Answer:
114 cm²
Step-by-step explanation:
Area of shaded region
= area of circle -area of square
[tex]\boxed{area \: of \: circle = \pi {r}^{2} }[/tex]
Given that radius= 10cm, r= 10cm.
[tex]\boxed{area \: of \: square = side \: \times side}[/tex]
Let the length of a side of the square be x cm.
Applying Pythagoras Theorem,
10² +10²= x²
100 +100= x²
x²= 200
[tex]x = \sqrt{200} [/tex]
Area of square
= x²
= 200cm²
Area of shaded region
= 3.14(10²) -200
= 3.14(100) -200
= 314 -200
= 114 cm²
What is the average of 4 1/2, 3 1/3, 2 , 2 1/6
Answer:
3
Step-by-step explanation:
To find the average add all these numbers together, then divide by how many numbers you have.
[tex]4\frac{1}{2} +3\frac{1}{3} +2+2\frac{1}{6} =12[/tex]
[tex]\frac{12}{4} =3[/tex]
[tex]Answer: 3[/tex]
2x + 3y = 23
-x+10y = 46
Answer:
x=4 y=5
Step-by-step explanation:
what number is larger 1/2 or 1/4 ?
It is 1/2 because picture a hundred and a half of a hundred is 50 , and a fourth is 25. Therefore it is 1/2
what is the answer of x²(x³)
Answer:
[tex]x^{5}[/tex]
Step-by-step explanation:
When bases are same and are multiplied, their powers are added.
Do mark me as brainly. Thanks
Lee performed the best on stage because the other contestant were not as confident as (him, he)
Answer:
him or he was
Step-by-step explanation:
Write a compound interest function to model each situation. Then find the balance after the given number of years.
$50,000 invested at a rate of 3% compounded monthly; 6 years
$43,000 invested at a rate of 5% compounded annually; 3 years
$65,000 invested at a rate of 6% compounded quarterly; 12 years
Answer:
See explanation
Step-by-step explanation:
The standard compound interest formula is [tex]A = P(1+\frac{r}{n})^{nt}[/tex] where:
P is the principal amount
r is the interest rate (typically as a percentage)
t is the time
n is the times compounded per unit of time
So,
1) [tex]A = 50000(1+\frac{0.03}{12})^{(12)(6)} =59847.42[/tex]
2) [tex]A = 43000(1+\frac{0.05}{1})^{(1)(3)} =49777.88[/tex]
3) [tex]A = 65000(1+\frac{0.06}{4})^{(4)(12)} =132826.08[/tex]
You should check my answers though, I may have mixed up some terms.
Every year, the value of a car decreases by 15% of its value in the previous year. If the value of the car was $86,700 in 2012, find its value in 2010.
Answer:
$112,710
Step-by-step explanation:
so first we have to find what is 15% of 86700
so 15/100×86700=$13005
so it is written that 86700 is in 2012 means 2010 it will be
2 times more which means 30% that means just have to do is multiply it two times which makes it $26010
so $86700+$26010=$112710
hope it helps you
please mark me as brainlist
the cost to buy a sweater at sweaterfactory.com is 19 with free shipping i have 50 dollars creat an inequality to represent how many sweaters i can buy
Answer:
34
Step-by-step explanation:
Maria and her friend go to a movie. At the snack stand, they each get a drink that costs $5 and a popcorn that costs $8. Maria pays for her friend. How much does Maria pay altogether?
Answer:
Step-by-step explanation:
opppppssss
Answer:
5 + 5= 10
8 + 8 = 16
10 + 16 = 26
if shes paying for everything maria pays 26 dollars
help a sister out please!
Answer:
it would be 8 because it is a parallelogram and they are parallel to each other
Step-by-step explanation:
CD=AB
select all the statements that are true about square EFGH.
Answer:
sorry but theres no answer to that if we can't see the square :|
Step-by-step explanation:
Answer:
Step-by-step explanation:
