Please help! What is the answer?
Answer: 6.4cm
Step-by-step explanation:
The area of a trapezoid is given as:
= 1/2(a + b)h
We then slot the given values into the formula. This will be:
1/2(15.8 + b) × 7.3 = 81.03.
7.3(15.8 + b)= 81.03 × 2
7.3(15.8 + b) = 162.06
115.34 + 7.3b = 162.06
7.3b = 162.06 - 115.34
7.3b = 46.72
b = 46.72/7.3
b = 6.4
Therefore, the answer is 6.4cm.
For which sample size (n) and sample proportion (p) can a normal curve be
used to approximate the sampling distribution?
Answer:
Option c.
Step-by-step explanation:
Using the normal curve to approximate a sampling distribution:
For a sample size n and a proportion n, the normal curve can be used if:
[tex]np \geq 10[/tex] and [tex]n(1-p) \geq 10[/tex]
Option a:
[tex]np = 35*0.8 = 28 > 10[/tex]
[tex]n(1-p) = 35*0.2 = 7 < 10[/tex]
So option a cannot be used.
Option b:
[tex]np = 65*0.9 = 58.5 > 10[/tex]
[tex]n(1-p) = 65*0.1 = 6.5 < 10[/tex]
So option b cannot be used.
Option c:
[tex]np = 65*0.8 = 52 > 10[/tex]
[tex]n(1-p) = 65*0.2 = 13 > 10[/tex]
So option c can be used, and is the answer
Option d:
[tex]np = 35*0.9 = 31.5 > 10[/tex]
[tex]n(1-p) = 35*0.1 = 3.5 < 10[/tex]
So option d cannot be used.
The answer is given by option c.
What is the volume of the square pyramid? Round to the nearest hundredth, if needed.
1,575 cm 3
735 cm 3
525 cm 3
245 cm 3
Answer:
245 [tex]cm^{3}[/tex]
Step-by-step explanation:
Formula for volume: [tex]a^{2}[/tex] [tex]\frac{h}{3}[/tex]
a = base edge
Base edge = 7
h = height
Height = 15
So, [tex]7^{2}[/tex] × [tex]\frac{15}{3}[/tex] = 245 [tex]cm^{3}[/tex]
Hope this helps :D
Answer:
245 cm 3
Step-by-step explanation:
I had the same question and this is the answer I got correct
Write an equation to find x
Answer:
180 - 105 = x-2
hope this helped and brainliest please
What is the greatest possible value for STATS in the cryptarithm shown here given that V = 1? [Different letters represent different digits, and no leading digit can equal 0.]
Answer:
1427
Step-by-step explanation:
The perimeter is about WHAT HELP!?
find value of x
find value of y
Given:
A figure of a right triangle.
To find:
The value of x and value of y.
Solution:
In a right angle triangle,
[tex]\sin \theta = \dfrac{Opposite}{Hypotenuse}[/tex]
[tex]\cos \theta = \dfrac{Base}{Hypotenuse}[/tex]
In the given triangle,
[tex]\sin (60^\circ)=\dfrac{x}{6}[/tex]
[tex]\dfrac{\sqrt{3}}{2}=\dfrac{x}{6}[/tex]
[tex]\dfrac{\sqrt{3}}{2}\times 6=x[/tex]
[tex]3\sqrt{3}=x[/tex]
And,
[tex]\cos (60^\circ)=\dfrac{y}{6}[/tex]
[tex]\dfrac{1}{2}=\dfrac{y}{6}[/tex]
[tex]\dfrac{1}{2}\times 6=y[/tex]
[tex]3=y[/tex]
Therefore, the value of x is [tex]3\sqrt{3}[/tex] and the value of y is 3.
1. Sarah's current account balance is $2,600. She made a single lump sum amount of
$2,000 eight years ago into the account. Calculate the equivalent simple interest
rate (quoted annually) that she earned.
Answer:
The simple interest that said investment yielded was 3.75% per year.
Step-by-step explanation:
Given that Sarah's current account balance is $ 2,600, and she made a single lump sum amount of $ 2,000 eight years ago into the account, to calculate the equivalent simple interest rate (quoted annually) that she earned the following calculation must be performed:
(2,600 - 2,000) / 8 = X
600/8 = X
75 = X
2,000 = 100
75 = X
75 x 100 / 2,000 = X
7,500 / 2,000 = X
3.75 = X
Thus, the simple interest that said investment yielded was 3.75% per year.
7^5 / 7^2 =345
true or false
Answer:
False
The answer is 343 not 345
Step-by-step explanation:
7^5 / 7^2 =
16807 / 49 =343
Answer:
False.
7⁵ ÷ 7²
= 7⁽⁵⁻²⁾
= 7³
= 343
SOMEONE HELP I HAVE 60 MINS PLEASE PLEASE PLEASE
Answer:
g(x) = 3 (x + (-5)) (x + (-9))
Zeros: (5 and 9)
Step-by-step explanation:
3a² -42a +135 = 3 (a² - 14a +45) = 3 (a-5) (a-9)
3 (a-5) (a-9) = 0
a = 5 or a = 9 ..... Zeros
How much fabric is needed to make a tent in the shape of a triangular prism with the following measures?
Answer:
C) 273 ft²
Step-by-step explanation:
7x11x3=231
2x1/2x7x6=42
231+42=273
If x represents the age of the father and
y represents the present age of the son,
then the statement for 'present age of
the father is 5 more than 6 times the
age of the son' in terms of a
mathematical equation is *
Answer:
x = 5+6y
Step-by-step explanation:
Let x represents the age of the father and y represents the present age of the son.
ATQ,
The present age of the father is 5 more than 6 times the age of the son. We can write it in the form of equation as follows :
6 times the age of the son means 6y. So,
x = 5+6y
Hence, the mathematical equation is "x = 5+6y".
Evaluate the expression.
3×2¹
Answer:
6
Step-by-step explanation:
2^1 is 2, so 2x3 is 6
Answer:
2 to the first power is just 2 so it’s 2 times 3 = [tex]\boxed{6}[/tex]
Find the area of this composite figure
Answer:
23.9425 (Round if needed)
Step-by-step explanation:
This is 2 half circles so you can find the area of a circle and divide it by 2.
First circle has a diameter of 6 cm
6/2=3 cm
So, circle has radius of 3.
Area of circle= 3.14(pi) radius^2
3.14 x 3^2= 28.26
28.26/2=14.13 cm
Area of first half circle= 14.13
Repeat that process for the second circle.
3.14 x 2.5^2=19.625
19.625/2=9.8125
14.13+9.8215=23.9425
Area=23.9425
Plzz help me plzz! I am timed
Answer:
The second answer, and fifth answer
Step-by-step explanation:
4x/3=8 what is x? PLEASE HURRY DUE TOMORROW!!!!!!
Step-by-step explanation:
4x=3×8
4x=24
x=24÷4
x=6
Which expression is equivalent to
−5a−40?
Select one:
5(a−8)
−5a(−40)
−5(a−40)
−5(a+8)
Answer :
- 5 (a+8) because - 5a-40 = - 5(a+8)
What’s the answer to this?
I have no idea how to do it
Answer:
0
Step-by-step explanation:
f(x) = y
To find f(2), it means to find the value of y when x = 2.
From the graph, when x = 2, the corresponding y-coordinate = 0.
Therefore,
f(2) = 0
Please help it's a pretty quick question, and will take only a bit of your time. Thanks!
Answer:
1. 10.625
2. 11
3. 11
Step-by-step explanation:
5a+4b=65 elimination substitute and check
Answer:
a=13 - 4b/5
b=65/4-5a/4
Step-by-step explanation:
Can someone answer this please
Answer:
3/7 times 5/4
Step-by-step explanation:
when dividing fractions, all you do is keep the first fraction, change the sign to multiplication, and flip the last fraction. In this case it would be 3/7 and 5/4
Answer:
The answer is B: 3/7 times 5/4.
Step-by-step explanation:
The process is stay, change, flip.
Stay equals keep the first fraction the same (3/7).
Change equals change the operation (division to multiplication).
Flip equals flip the second fraction (flip 4/5 to 5/4).
can someone help me with this
Solve each equation to the nearest thousand
Help pls
Answer:
I think the one on the left is 285.26
what are the major limitations of statistics
Answer: Statistics laws are true on average. Statistics are aggregates of facts, so a single observation is not a statistic. Statistics deal with groups and aggregates only.
Step-by-step explanation:
The measurements of a circular object are given in the ratio table.
a. Find the missing dimensions of other circular objects by completing the ratio table.
b. Graph the pairs of values.
Answer:
after 42 mm the next one is 63mm and after 198mm it is 946mm
Step-by-step explanation:
The Diameter of the second circle is 63 mm and the circumference of the third circle is 946.
What is circumference?The circumference of a circle is the distance along a line across it. In other words, the length of a straight line created by opening a circle matches the radius of the circle. The formula to calculate circumference is C = π * Diameter.
Given that circumference of the first circle is 198mm by that we can drive the value of the diameter(D₂). from the formula of the circumference
C = π D₂
198 = 3.14 * D₂
D₂ = 63mm.
Given that the Diameter of the first circle is 198mm by that we can drive the value of the circumference. from the formula of the circumference
C₃ = π D₃
C₃ = 3.14 * 301
C₃ = 946 mm.
Therefore, the missing dimensions of the circular object are D₂ is 63mm and C₃ is 946mm.
Learn more about circumference here:
https://brainly.com/question/28757341
#SPJ2
(-42% - 27) - (-34x + 33)
Rodrigo is planning on buying a new home. The total amount he needs to borrow is $299,132. The bank offered Rodrigo a 18 year loan with an APR of 4.48%. What is Rodrigo's monthly payment on the loan rounded to the nearest dollar? Do not include a dollar sign in your answer.
Answer:
13402
Step-by-step explanation:
PV= $299,132
I/YR= 4.48% or 0.0448
N= 216
PMT= $13402
(Excel works great with this and will solve it for you, use the PMT function and insert the numbers provided. It will show a (-) but that is because a positive PV is placed.)
CAN SOMEONE PLEASE SOLVE AND EXPLAIN THIS FREAKING QUESTION????????????????????????????????????/PLEASEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
Answer:
Step-by-step explanation:
sinx=(opposite side)/(hypotenuse)
There really is no ‘explanation’ as that ratio IS the definition of sin.
What does the shaded part of the square represent? please put how you know this thank you
Answer:
1/4
Step-by-step explanation:
i know because it's 1/4 of the square
see it's cut in half, then one half is cut in half again
(1/2)*(1/2) = 1/4
Brainliest me
Find the missing side. Round to the nearest tenth.
Step-by-step explanation:
sin∅ = opp/hyp
sin73° = x/15
x = 15sin73°
x = 15 × 0.9563
x = 14.3446
x ≈ 14.3 to the nearest tenth
Answer:
To the nearest tenth,the answer is 14.3!!!!