Veronica used a copy machine to make an entargement of a triangle. The original triangle has side lengths of 6 cm, 8 cm, and 10 cm. The
copy has side lengths of 7.2 cm, 9.6 cm, and 12 cm.
Which scale factor did Veronica use to make the enlargement?
A: 5/8
B:5/6
C:6/5
D:8/5
Answers
Answer:
Step-by-step explanation:
B 10/12 = 6/7.2 = 8/9.6 = 5/6
Answer:
The anwser is C: 6/5
Step-by-step explanation:
12 divided by 10 = 1.2 = 6/5
9.6 divided by 8 = 1.2 = 6/5
7.2 divided by 6 = 1.2 = 6/5
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Answer:
8: 73.2 cm
10: 738 mm
Step-by-step explanation:
8: A= 12.2 (4.5 + 7.5) / 2 --> 146.2 / 2 = 73.2 cm
10: A= 36 (22 + 19) / 2 --> 1,476 / 2 = 738 mm
Answer:
8: 73.2
10: 738
Step-by-step explanation:
Area of a trapezoid = [tex]A=\frac{a+b}{2} h[/tex]
where a and b = base lengths and h = height
For #8
These are the given dimensions
Base 1 = 4.5
Base 2 = 7.5
Height = 12.2
All we have to do is plug in the values into the formula
So....
[tex]A=\frac{4.5+7.5}{2} 12.2\\4.5+7.5=12\\\frac{12}{2} =6\\6*12.2=73.2[/tex]
Hence the answer is 73.2cm²
For #10
Once again all we have to do is plug in the values into the formula
[tex]A=\frac{22+19}{2} 36\\22+19=41\\\frac{41}{2} =20.5\\20.5*36=738[/tex]
Hence the answer is 738
If 30% of a number equals 8, find 90% of that number.
Answers
Answer:
8.88
Step-by-step explanation:
I believe it is 8.88 becuase this question is asking to find 90% pf that number.
What do you need to do?
you have to make a proportion.
8/x 90/ 100
You would now cross multiply. 90* x = 90x 8*100= 800
the equation you would need is 90x = 800. divide them and you get 8.88.
ROUNDED: you get 9.
I believe this is correct sorry if it was incorrect.
step by step explanation;
pls help. quickly please
Answers
Answer:
10 months.
Step-by-step explanation:
1200 + 25x = 1450; x = 10
All of the following expressions simplify to -5x + 7, except ( x - 2) - (6 x - 9) (5 x + 1) - (-10 x + 6) -4 x + 2 x + 7 - 3 x (4 x + 3) + (-9 x + 4)
Answers
Answer:
(-4x+2)+(7-3x)
Step-by-step explanation:
it would give you -7x+9 I believe the others all equal -5x+7
SOMEONE HELP ASAPPPP PLEASEEE,PLEASE EXPLAIN HOW U GOT YOUR ANSWER, I NEED AN EXPLANATION IN ORDER TO COMPLETE THIS! NO LINKS OR YOU WILL BE REPORTED, I WILL GIVE BRAINLIEST!!!!! I NEED THE ANSWER TODAY THIS ASSIGNMENT IS DUE TODAY
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Answer:
x = 5
Step-by-step explanation:
4x + 2y + z = 24
2x - 3y - z = 2
5x + y + 2z = 21
-----------------
Eliminate z
Add the 1st and 2nd eqn
4x + 2y + z = 24
2x - 3y - z = 2
----------------
6x - 1y = 26 eqn A
Multiply the 2nd eqn by 2, then add the 3rd.
4x - 6y -2z = 4
5x + y + 2z = 21
----------------
9x - 5y = 25 eqn B
---------------
Now you have 2 eqns in 2 unknowns, not 3.
Multiply eqn A by 5 and subtract eqn B.
30x - 5y = 130 eqn A times 5
9x - 5y = 25 eqn B
-------------
21x = 105
x = 5
Answer:
x = 5 is the answer
Step-by-step explanation:
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Answer: acute for #1 obtuse for #2 and isosceles for #3
Step-by-step explanation:
Flip a coin 10 times,How many heads?How many tails?
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Answer:
5 heads 5 tails (I think)
Step-by-step explanation:
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Answer:
answer is 1/100, 1/100, and 100
Answer:
0.5 is 1/100 times 50. 0.005 is 1/100 times 0.5. 50 is 100 times 0.5
Step-by-step explanation:
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Answer:
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B. n=11
Step-by-step explanation:
it's really hard to explain, but it is a series of steps needed to make the denominator equal to eachother, canceling them out and solving for n.
Find the mean absolute deviation for the data in the table. Round to the nearest tenth if necessary.
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Name this Solid
pentagonal prism
pentagonal pyramid
hexagonal prism
hexagonal pyramid
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Answer:
hexagonal pyramid
Step-by-step explanation:
i think its this but otherwise pay attention in class
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“m” represents the gradient and “c” represents the y intercept
Answer: “A”
What is the length of a car if the length on the scale model car is 17cm and the scale is 2cm : 50cm?
Answers
850 = 2x
425 = x
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Answers
M
M
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The volume of a right rectangular prism is 70 7/8 cubic feet and its base is a square with a side length of 4 1/2 feet. what is the height?
Answers
Answer:
7/2 feet
Step-by-step explanation:
Volume of Right Rectangular Prism: V = w * h * l
You are given the volume, and the base (which would include l and w)- and are told to find h.
70 7/8 cubic feet = 4 1/2 feet * h * 4 1/2 feet (simplify the right side)
70 7/8 cubic feet = 81/4 feet squared * h (divide both sides by 81/4)
7/2 feet = h
The height will be 7/2
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Answers
Answer:
3. 37.5
4. 60
5. 32
Step-by-step explanation:
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Answer:
3. A=37.5ft
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Three ropes of length 2 m 84 cm, 4 m 26 cm and 7 m 10 cm are to be cut into small pieces of equal length. What is the greatest possible length of each equal part, so that there is no wastage? How many pieces are there in total?
Answers
The greatest possible length of each piece is 2 cm.
What is HCF?The highest common factor is defined as the set of numbers with the highest common multiple. The highest positive integer with more than one factor in the set is HCF.
Three ropes of length 2 m 84 cm, 4 m 26 cm, and 7 m 10 cm are to be cut into small pieces of equal length.
We have been given the lengths of the ropes as
2 m 84 cm = 284cm
4 m 26 cm = 426cm
7 m 10 cm= 710 cm
We have to determine the greatest possible length of each equal part So that there is no wastage
So the greatest possible length of each piece will be the HCF of the length of the ropes.
⇒ 284 = 2× 142
⇒ 426 = 2 × 213
⇒ 710 = 2 × 355
Hence, the HCF of the 284, 426, and 710 is 2.
Therefore, the greatest possible length of each piece is 2 cm.
Learn more about the highest common factor here:
https://brainly.in/question/3803222
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A store bought 200 toys at a cost of $20 each. The store sold all the toys at a percent markup of 30%. Find the total selling price.
Answers
Answer:
5200
Step-by-step explanation:
200x20=4000
30% of 4000 is 1200
4000+1200
Answer:
5200
Step-by-step explanation:
200×20=4000
30% of 4000 is 1200
4000+1200=5200
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Answers
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1. Four thousand five hundred ten
2. 51.65 rounded to the nearest whole number is 52.
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4. [tex]6940 / 10^{2}[/tex] = 69.4
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6. (2 x 7) - (2 x 5) = 4
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Answers
Answer:
Jasraj walked 4 kilometers all together
Step-by-step explanation:
First, add.
1,500 + 500 = 2,000
Then, multiply by 2.
2,000 × 2 = 4,000
Now, we have to convert to kilometers.
1 kilometer = 1000 meters
4,000 ÷ 1,000 = 4
So, Jasraj walked 4 kilometers!
Have a wondeful day! :)
What is the probability of pulling a heart
52 cards and 13 hearts
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Answers
Answer: The probability of drawing a heart out of the deck is 13/52, or 1/4. The probability of drawing an even number as card #2 (c∈{2,4,6,8,10}) for any suit is 20/51, except when the first card drawn is an even heart, then the probability of the second draw is 19/51.
Step-by-step explanation:
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Answers
Answer:
Step-by-step explanation:
Circumstance of a curcle C=2*pi*r
So if you want to find r from this equation you come up with r=C/2*pi. That's exactly what they give you in the problem.
Now you know that C= 26.69 so replacing what we know in the formula r=C/2*pi you get
r=26.69/2*3.14 =4.25
So looking at the figure you they said r=4.25
That means that the figure is has to be a circle.
Hope that makes sense.
Realice los siguientes ejercicios de Proporciones
a) 1/16 = 7/x
b) 1/3 = x/9
c) 2/5 = x/15
d) 6/9 = 5/x
e) 78/9 = 39/x
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Answers
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ytfdjyuguuc
Step-by-step explanation:
yfullk;ljknlm
Find the slope of the line
Answers
Answer:
-2/3x
Step-by-step explanation:
To find the slope, you would do rise/run.
To get to one point to the other, you move 2 units down and 3 to the right.
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A student is using a spinner with four equal sections numbered 1 through 4. He also tosses a fair coin. What is the correct sample space for this compound event?
A. {H, T}
B. {(HT, 1), (HT, 2), (HT, 3), (HT, 4)}
C. {(1,H), (2,H), (3,H), (4,H), (1,T), (2,T), (3,T), (4,T)}
D. {1, 2, 3, 4}
Answers
Answer:
C. {(1,H), (2,H), (3,H), (4,H), (1,T), (2,T), (3,T), (4,T)}
stwo by step explanation:
What is the width of this rectangular prism if the volume is 162 cm cubed?
A. 3 cm.
B. 3 cm. squared
C. 3 cm. cubed
D. 108 cm.
Answers
Answer:
A 3 cm
Step-by-step explanation:
Volume is lxwxh, 6x9= 54, and 54x3=162
Answer: 3
Step-by-step explanation:
The equation for volume of a rectangular prism is lwh. We have the lh and 6 times 9 is 54. Now we just divide 162 and 54 and that's the width which is 3. And to double check 3 times 9 times 6 is 162 :)
5.2 times 9.3 times what equals 120.9 ?
Answers
Answer:
5.2x9.3x2.5=120.9
hope this helps have a great day :3 also can i get brainliest ty
Answer:
2.5
Explanation:
5.2×9.3×2.5=120.9
I got the answer by multiplyinh 5.2×9.3=48.36 then i divided 120.9 by 48.36 to get the answer which is 2.5