Answer:
a. the first and last one
b. the second and third one
Step-by-step explanation:
a. 11x-3x-10x=18x, so the first one is definitely the answer. If you look at the last one, you can see that 10x+8x also equals 18x. The other options do not equal 18x, so those can be eliminated.
b. If you distribute the 3 outside of the parentheses, you can see that the expression 3(1+3y) equals 3+9y (because 3*1=3 and 3*3y=9y). So, the third one can be determined to be one of the answers. We can see that the second one also simplifies to be 3+9y, so this one can also be determined to be the answer. The other ones can be eliminated because they do not equal 3+9y.
Hope this helped! :)
Answer:
a) 18x and 8x + 10x
b) 3 × 1 + 3 × 3y and 3 + 9y
Step-by-step explanation:
11x - 3x = 8x and then 8x + 10x is left. The answers are 18x and 8x + 10x.
3 × 1 is 3 and 3y × 3 is 9y.
A doghouse is to be built in the shape of a right trapezoid, as shown below. What is the area of the doghouse?
A right trapezoid with a top side of 7 feet and a height of 7 feet. The bottom side is extended to the right with 3 more feet.
A. 24.5 square feet
B. 59.5 square feet
C. 70 square feet
D. 147 square feet
20 hm = m
3,412 mm = km
0.25 m = mm
590 mg = g
75cm = m
12.5 m = km
8,808 cm = km
20 hm = mm
1,235g = kg
12 decimeters = dm
deka
20 L = mL
13.6 mL = L
Answer:
Step-by-step explanation:
20 hm = 2000 m
3,412 mm = 0.003412 km
0.25 m = 250 mm
590 mg = 0.59 g
75cm = 0.75 m
12.5 m = 0.0125 km
8,808 cm = 0.08808 km
20 hm = 2000000 mm
1,235g = 1.235 kg
12 decimeters = 0.12 dam
20 L = 20000 mL
13.6 mL = 0.0136 L
Hope this helps :)
Answer:
See below.
Step-by-step explanation:
Let's review the metric prefixes used in this problem:
m = 1/1000
h = 100
c = 1/100
k = 1000
da (deca) = 10
20 hm = 20 × 100 m = 2,000 m
3,412 mm = 3412/1000 m × 1 km/(1000 m) = 0.003412 km
0.25 m = 0.25 m × 1000 mm/m = 250 mm
590 mg = 590 mg × 1 g / (1000 mg) = 0.59 g
75 cm = 75 × m/100 = 0.75 m
12.5 m = 12.5 m × 1 km / 1000 m = 0.0125 km
8,808 cm = 8,808 cm × 1 m / 100 cm × 1 km / 1000 m = 0.08808 km
20 hm = 20 × 100 m × 1000 mm/m = 2,000,000 mm
1,235 g = 1,235 g × kg/(1000 g) = 1.235 kg
12 dm = 12 dm × 1 m / 10 dm × 1 dam / 10 m = 0.12 dam
20 L = 20 L × 1000 mL/L = 20,000 mL
13.6 mL = 13.6 mL × 1 L / 1000 mL = 0.0136 L
Pls help me thank you
Answer:
that is 100
Step-by-step explanation:
5 to the power of 5 is 1oo
Which of the following functions represents a linear function?
Answer:
f(x) = x
Step-by-step explanation:
it's the only one that is a straight line in a graph
HELP
How many quarts of pure antifreeze must be added to 3 quarts of a 10% antifreeze solution to obtain a 60% antifreeze solution?
Round to nearest tenth if possible
Answer:
3.75 quarts, rounded to 3.8 quarts
Step-by-step explanation:
3 quarts of solution is 10% antifreeze, so 0.3 quarts are already antifreeze, and 2.7 quarts are not.
a(the antifreeze we already have)+x(what we're going to add)= 1.5*2.7
Let me explain. If we have 60% antifreeze, 40% is not. 60/40=1.5
Substitute a for 0.3
0.3+x=4.05 Subtract 0.3 from both sides
x=3.75
4:00 am to 8:00 is how many hours
Answer:
10 hours
Step-by-step explanation:
assuming its 8pm if its 8 am 4 hours
whats 3 plus 3 times 1
pls jelp i havent been able to get it
Answer:
6
Step-by-step explanation:
3+3x1=6 when you do math you go by PEMDAS (parentheses, exponents, multiplication,division,addition, and subtraction) always go in the order of PEMDAS. So with this question you do M (multiplication) then you do A(addition). so it will be 3x1=3+3=6 hope this sums it up
3. Find Each Angle Measure
Answer:
m1=125 degrees
m2=55 degrees
m3=55 degrees
m4=125 degrees
m5=125 degrees
m6=55 degrees
m7=55 degrees
Step-by-step explanation:
becoz the image thing says m8 is 125 degrees
and that just gave us the answer for measures 5, 4, and 1 because a is parallel to b so thats why you can see that all of the measures are all the same
now for 2, 3, 6, and 7 we needa find those righht?
remember full circle is 360 degrees and we know measures 4 and 1 is 125 degrees,
so all we gotta do is add them which is 250 degrees and subtract from 360 degrees
360-250 = 110 degrees
ok now divide by 2 since were lookink for 2 and 3 not 2 and 3 combined
110/2=55 degrees
and boom all of those angles are the same for 5, 6, 7, and 8
Somebody help me with this? Please
Answer:
See the attached image for solutions.
Step-by-step explanation:
X-ray vision to all students ratio:
6:36, which can be simplified to 1:6.
Flight to all students ratio:
8:36, which can be simplified to 2:9.
Flight to inivisibility ratio:
8:36, which can be simplified to 2:3.
Hope this helps! :)
Answer:
X-ray vision to all students: 6:36 = 1:6
Flight to all students: 8:36 = 2:9
Flight to inivisibility: 8:36 = 2:3
Hope this helps!
The length of line segment AD is 6.8 cm. The length of line segment AB is 3 cm. The length of line segment BC is 1.6 cm. Find the length of line segment CD.
Answer:
9.6
Step-by-step explanation:
This is a four side figure which is most likely to be a trapezium.So AD is the hypotenuse,AB is side (a),BC is the height and CD is side (b).
The regular price of a watch is $32.25. During a sale, the watch was marked 16% off. What was the price of the watch during the sale?
A. $5.16
B. $16.25
C. $21.16
D. $27.09
I need a quick answer please, I will give Brainliest
Answer:
Percent: 140, 275, 0.08
Fraction: 16/25, 1 2/5, 2/25
Decimal: 0.64, 12.5, 0.125, 2.75
Step-by-step explanation:
0.08 = 8%
The tables give the price of a kayak rental from two different companies.
Answer:
after five hours,
Step-by-step explanation:
I do not know if that is right hope that helps
The answer is after 5 hours.
Hope this helps
HELP MEE look at the picture attached
Find the area of the figure.
A family makes gumbo to serve during a Jazz Fest. The gumbo recipe requires twice as many cups of chopped tomatoes as diced onions. Which expression can be used to represent the number of cups of diced onions based on the number of cups of chopped tomatoes, t?
Answer:
2t
Step-by-step explanation:
Answer:
2t
Step-by-step explanation:
hope this helps :)
PLEASE HELP!
A triangular sign has a 45 degree angle angle and a 52 degree angle. Describe how you could find the 3rd angle of the sign
Answer:
83
Step-by-step explanation:
X + 52+45=180
X=180-97
So, x= 83
-note sorry for getting the question wrong it is now fixed.
Answer:
83
Step-by-step explanation:
triangles are 180º
45 + 52 = 97
180 - 97 = 83
A bakery sells 7 muffins for $3.50. What's the unit rate? $2/muffin $0.50/muffin $0.70/muffin $3.50/muffin
Answer:
$0.50/muffin
Step-by-step explanation:
To find the unit rate we have to find out how much 1 muffin costs:
To do this we can divide both sides by 7:
7÷7 for 3.50÷7
1 muffin for 0.50
Therefore our answer is $0.50/muffin
Answer:
$0.50 / muffin
Step-by-step explanation:
7 muffins for $3.50
To find the unit rate, we need to find what 1 muffin costs.
so
1 muffin = 3.5/7 = 0.5
$0.50 per muffin.
Hope this helps! If you have any further questions, let me know! :)
- profparis
if I helped you, i would appreciate a brainliest :D
A truck drove 208 miles on 5 gallons of gas. How far should it be able to go on a full, 11-gallon tank?
Answer:
457.6
Step-by-step explanation:
if he drove 208 on 5 gallons, 208/5 =41.6 miles per gallon. 41.6*11= 457.6
Answer:
457.6 miles
Step-by-step explanation:
So 208 miles equals 5 gallons so if you add 208 two times you will already have used 10 gallons and that equals 416 miles so far. So now you have to divide 208 by 5 and that equals 41.6 so 416 plus 41.6 equals 457.6 miles
i NEED help with the blank spaces
In your own words define “reciprocal” and describe how to find the reciprocal of a fraction. Use 3/6 as an example in your explanation.
Answer:
reciprocal- flipping the denominator and numerator
Step-by-step explanation:
3/6 as a reciprocal is 6/3 just simply flip the numbers
Answer:
reciprocal- flipping the denominator and numerator
Step-by-step explanation:
Brainliest! Please answer quickly!
___________________________
Answer:
N = 85
Step-by-step explanation:
(236 + 542)+N = 863
778 + N = 863
N = 863 - 778
N = 85
Answer:
N=85
Step-by-step explanation:
(236 + 542) + N = 863
Go in order of PEMDAS (Parantheses, Exponents, Multiplication, Division, Addition, Subtraction)
236 + 542= 778
now we have
778+N = 863
(778 plus a number equals 863)
to find the number (N) we can subtract 778 from 863.
863-778=85
so,
N = 85
Hope this helps! Please let me know if you need more help, or if you think my answer is incorrect. Brainliest would be MUCH appreciated. Have a great day!
Stay Brainy!
−Kallmekrish
a group of 20 tourists pay $160 to go on a swamp tour if the cost per person stays the same how much will the tour cost 30 tourists?
$ 180
$ 200
$220
$240
Answer:
$240
Step-by-step explanation:
20 = $160;
10 = $80
* 3 = 30 =$240
Jake has 900 cm³ of material. He uses 14.5 cm³ to make a right triangular prism. He wants to make a second prism that is a dilation of the first prism with a scale factor of 4.
How much more material does Jake need in order to make the second prism?
Select from the drop-down menu to correctly complete the statement.
Jake needs an additional (13.5, 28, 42.5)
cm³ of material to make the second prism.
Jake needs an additional 42.5 cm³ of material to make the second prism.
Amount of material availableSince Jake has 900 cm³ of material and he uses 14.5 cm³ to make a right triangular prism. The amount of material available to make the second prism is V = 900 cm³ - 14.5 cm³
= 885.5 cm³
Scale factor
Now, the second prism is gotten by ditaion of the first prism by a factor of 4.
Since we have volume, (scale factor)³ = volume of second prism/volue of first prism
Volume of second prismSo, volume of second prism, V' = (scale factor)³ × volume of first prism = 4³ × 14.5 cm³ = 928 cm³
Amount of material more neededSo, the amount of material more needed to make the second prism is V"' = V' - V = 928 cm³ - 885.5 cm³
= 42.5 cm³
So, Jake needs an additional 42.5 cm³ of material to make the second prism.
Learn more about amount of material here:
https://brainly.com/question/26671861
Answer:
42.5 cm³ for K12
sense the pic was blurry last time
please help asap-
1. Your friend's house is 4.5 miles north and 6 miles east of the firehouse. How far is your friend's house from the firehouse?
2. A cube of ice has a surface area of 24 square inches. What is the volume of the ice?
3. solve 1/3x^3 = 9
Answer:
1. = 7.5
2. = 8 inches
3. = x=3
Step-by-step explanation:
1) 7.5 miles north-east
2) 8 cubic inches
3) x = 6.24
Step-by-step explanation:
1) Use pythagorus thereom:
a² + b² = c²
4.5² + 6² = c²
20.25 + 36 = c²
c = √56.25
c = 7.5
7.5 miles north-east
2) The ice is a cube,
Surface area = 24
Cube has 6 sides
24 / 6 = 4
1 side = 4
1 length = √4
1 length = 2
Volume = bhd
Volume = 2³
Volume = 8 in.³
3) ⅓x³ = 9
⅓x = (3√)9
⅓x = 2.08
x = 2.08 / ⅓
x = 6.24
Solve for x in the diagram below
Answer:
80 degrees
Step-by-step explanation:
Since we know that a straight line is 180 degrees and 100 degrees and x lie on the same line:
100 + x = 180
x = 80
Hope this helps :)
Answer:
80 degrees
Step-by-step explanation:
Given: Side c is the length of the hypotenuse of a right triangle Sides a and bare lengths of the legs of a right triangle. The area of the large square is equal to the area of the four congruent triangles plus the area of the small square.
what could be the second statement
Answer:Given: Side c is the length of the hypotenuse of a right triangle Sides a and bare lengths of the legs of a right triangle. The area of the large square is ...
Step-by-step explanation:
If you draw a right triangle inside a sphere, which statement about the legs of the right triangle is TRUE?
Each leg of the right triangle is greater than the radius of the sphere.
Each leg of the right triangle is equal to the hypotenuse of the sphere.
Each leg of the right triangle is less than the radius of the sphere.
Each leg of the right triangle is equal to the radius of the sphere.
Answer:
The 3rd one if I'm not mistaken. Correct me if I'm wrong, I'm so so sorry if it's incorrect
Answer:
Each leg of the right triangle is equal to the radius of the sphere.
Step-by-step explanation:
I took the quiz and it was right
can someone please help me
Answer:
40
Step-by-step explanation:
Two ways we can solve this problem:
1. Graphically
2. Mathematically
Because you already solved it graphically, I will show you how to do so mathematically. Of course, graphically is much much easier and more efficient in this problem.
Let's break the problem down.
First, we are given a graph which contains a slope.
To find slope, we use the technique -> rise/run
Picking 2 obvious points from the graph, we can see
1st point -> (10, 20)
2nd point -> (40, 80)
Now, let's find the slope
[tex]\frac{80-20}{40-10} = \frac{60}{30} = 2[/tex]
Now, we have an equation y = 2x, where y = number of pies and x = cups of sugar
We want to find how many cups of sugar we need to bake 80 pies. Simply substitute 80 = number of pies = y
y = 2x -> 80 = 2x
Solving for x, divide both sides by 2
40 = x
We need 40 cups of sugar.