If the volume for 3-D polyhedra A is 300 cm3 and the volume for 3-D polyhedral B is 900 cm3. How many times bigger is the volume of pyramid B than pyramid A? Select one:
a. 3%
b. 30%
c. 300%
d. 3000%
Answers
Answer:
c. 300%
Step-by-step explanation:
In order to solve this problem you just have to divide the bigger polyhedral by the smaller polyhedral:
As this is equal to 3, you know that the bigger polyhedral is 3 times bigger than the smaller polyhedral so now you just make a rule of three, if an object that is 100% bigger than other is 1 time bigger, what would be the percentage of an object that is 3 times bigger?
Once you clear the X the equation would look like this:
V(B)/V(A)=900/300=3=300/100=300%
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Answers
If A central angle has a measure of 2. 3 radians and the subtended arc length is 12 cm, then the radius of the circle is approximately 5.2 cm.
The formula relating the central angle, radius, and arc length of a circle is:
arc length = radius × central angle
We can use this formula to find the radius of the circle, given the central angle and arc length.
Substituting the given values, we get:
12 cm = r × 2.3 rad
Solving for r, we divide both sides by 2.3 rad:
r = 12 cm / 2.3 rad
Using a calculator, we get:
r ≈ 5.2174 cm
Rounding to the nearest tenth, we get:
r ≈ 5.2 cm
Learn more about radius here
#SPJ4
−5 ≤ x ≤ 5
0 ≤ x ≤ 5
All real numbers
All positive numbers
Answers
y=k*e^(-x) with k=1(1=k*e^(-0)) is defined for all reals.
Answer C
Answer:
the answer is all real numbers
Step-by-step explanation:
b. 8,000 × 50
c. 120 × 300
2. Fill in the missing factors to find the given estimated product. The first one is done for you.
a. 582 x 23 ≈ __600________ x ___20_______ = 12,000
b. 325 x 454 ≈ __________ x __________ = 150,000
c. 6,397 x 349 ≈ __________ x __________ = 1,800,000
3. Round the factors and estimate the products. Round to the highest place value.
a. 656 × 106 ≈ __________ x __________ = __________
b. 3,108 × 7,942 ≈ __________ x __________ = __________
c. 425 × 9,311 ≈ __________ x __________ = __________
Answers
Answers
Answer:
Step-by-step explanation:
99/9=11 and is she falls two times you would multiply by two so sour answer would be 22
Answers
3y – x = –7
The system has one solution.
The system consists of parallel lines.
Both lines have the same slope.
Both lines have the same y–intercept.
The equations represent the same line.
The lines intersect.
Answers
Answer:
The correct answers are:
- The system has one solution.
- The lines intersect.
Step-by-step explanation:
We are given system of linear equations as:
y=x-4--------(1)
and 3 y-x= -7----------(2)
on substituting the value of 'y' from equation (1) into equation (2) we have:
3(x-4)-x=-7
⇒ 3x-3×4-x=-7
⇒ 3x-x= -7+12
⇒ 2x=5
⇒
also putting the value of x into equation (1) we have:
- Hence, we get a unique value of x and y on solving the system of linear equations.
Hence, the system has one solution.
- the slope for line y=x-4 is 1 ( since on comparing the equation with y=mx+c; where m denotes the slope of line and c is the y-intercept)
y-intercept is -4
but the slope of line 3y-x = -7 i.e.
hence the slope of second line is: .
and y-intercept is .
- They represent different lines.
- the lines intersect at the point
Answer and explanation:
Given : Equations and
To find : Which statements about the system are true? Check all that apply.
Solution :
First we solve the system of equations,
.....(1)
......(2)
Substitute y from (1) in (2),
Substitute the value of x in (1),
1) The system has one solution i.e.
2) The system has solution which means it is not parallel lines.
Writing equation in slope from,
where m=1 and c=-4
where
and c=-4
3) Both lines have different slopes.
4) Both lines have the same y-intercept.
5) The equations represent the different lines.
6) The lines intersect at