Answer:
Ok, suppose that we have two fractions with the same denominator but different numerator, let's write them as:
a/b and c/b
We can write these two as:
a*(1/b) and c*(1/b)
Now if we want to add these, we get:
a*(1/b) + c*(1/b)
Now we can take the common factor (1/b), and write the sum as:
(a + c)*(1/b)
now we can rewrite this as:
(a + c)/b
then we got:
a/b + c/b = (a + c)/b
We can directly compare the numerators because we can think on the same denominator as a common factor.
A bag contains 10 red marbles. The ratio of red marbles to blue marbles is 5 to 1. Find the number of blue marbles in the bag.
Answer: there are 2 blue marbles
Step-by-step explanation:
10 / 2 = 5
If there are 5 to 1 then 5 + 5 = 10
So 1 + 1 = 2
(Sorry if that didn’t make much sense)
find the slope between points (3, 1) and 3, -2)
Answer:
3
Step-by-step explanation:
What is Dangerous on living for 7 days on a can of sardines Questions. . . .
Answer:
YOU MIGHT FALL OFF
Step-by-step explanation:
that's the answer
-kenma #3
The area values of the circles given in the attachment are :
28.26 cm²50.24 in²314 m²12.56 cm²254.34 ft²4.52 km²7850 in²379.94 m²19.63 cm²200. 96 ft²1256 m²78.5 cm²7.07 m²113.04 in²200. 96ft²38.47 cm²0.28 km²3.14 cm²Area of a circle =
[tex] {\pi} {r}^{2} [/tex]
Where, r = Radius
[tex] \frac{\pi {d}^{2} }{4} [/tex]
d = diameter
[tex]\pi = 3.14[/tex]
1.)
r = 3cm
Area = 3.14 × 3² = 28.26 cm²
2.)
r = 4 in
Area = 3.14 × 4² = 50.24 in²
3.)
r = 10 m
Area = 3.14 × 10² = 314 m²
4.)
r = 2cm
Area = 3.14 × 2² = 12.56 cm²
5.)
r = 9 ft
Area = 3.14 × 9² = 254.34 ft²
6.)
r = 1.2 km
Area = 3.14 × 1.2² = 4.52 km²
7.)
r = 50 in
Area = 3.14 × 50² = 7850 in²
8.)
r = 11 m
Area = 3.14 × 11² = 379.94 m²
9.)
r = 2.5 cm
Area = 3.14 × 2.5² = 19.63 cm²
10.)
d = 16 ft
Area = (3.14 × 16²) ÷ 4 = 200. 96ft²
11.)
d = 40 m
Area = (3.14 × 40²) ÷ 4 = 1256 m²
12.)
d = 10 cm
Area = (3.14 × 10²) ÷ 4 = 78.5 cm²
13.)
d = 3 m
Area = (3.14 × 3²) ÷ 4 = 7.07 m²
14.)
d = 12 in
Area = (3.14 × 12²) ÷ 4 = 113.04 in²
15.)
d = 16 ft
Area = (3.14 × 16²) ÷ 4 = 200. 96ft²
16.)
d = 7cm
Area = (3.14 × 7²) ÷ 4 = 38.47 cm²
17.)
d = 0.6 km
Area = (3.14 × 0.6²) ÷ 4 = 0.28 km²
18.)
d = 2 cm
Area = (3.14 × 2²) ÷ 4 = 3.14 cm²
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Mrs. Warren has b boxes of Girl Scout cookies that
she wants to distribute to the members of her troop. If
she gives each girl 4 boxes, she will have 11 boxes left
over. If she wanted to give each student 5 boxes, she
would need an additional 12 boxes. How many girls
are in Mrs. Warren's Girl Scout troop?
A) 12
B) 23
C) 27
D) 32
Answer:
B) 23
Step-by-step explanation:
23 girls x 4 boxes each = 92 boxes
92 + 11 extra = 103
23 girls x 5 boxes each = 115 boxes
115 - 12 = 103
Mrs. Warren has 103 boxes and 23 girls in her Girl Scout troop.
Mrs. Warren has 103 boxes and 23 girls in her Girl Scout troop. so option B is correct.
What is the unitary method?The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.
Given; Mrs. Warren has b boxes of Girl Scout cookies that she wants to distribute to the members of her troop.
If she gives each girl 4 boxes, she will have 11 boxes left over then,
23 girls x 4 boxes each = 92 boxes
92 + 11 extra = 103
If she wanted to give each student 5 boxes, she would need an additional 12 boxes then,
23 girls x 5 boxes each = 115 boxes
115 - 12 = 103
Hence, Mrs. Warren has 103 boxes and 23 girls in her Girl Scout troop. so option B is correct.
Learn more about the unitary method;
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The box plot represents the amount of time 15 pet owners spend exercising their pets each day.
Box plot:
0
15
30
45
60
75
90
105
120
True or False
The range is 105 minutes
I need help ASAP please
I will give thanks with Brainlist for correct ans.
Answer:
rotations, translations, and reflections will not have an effect on a triangles size or shape. They just move it, rotate it, or mirror it.
Only a dilation will change a triangles size. Dilations scale a triangle up or down which change the triangles segment lengths but does not change it's angle sizes.
(×-5)²
ayudenme a resolver estooo:((
Look at the three dimensional solid below
Answer:
A.
Step-by-step explanation:
Answer: A
Step-by-step explanation:
A gym charges an initial fee plus $25 per month. John paid $200 for six months. Assume the relationship is linear.
a.What is the rate of change and what does it mean in context to the situation?
b. What is the initial value and what does it mean and context to the situation?
i will give brainliest!!!!!
Step-by-step explanation:
a. The rate of change is $33.33 per month
200/6 = approximately $33.33 per month
This means that in addition to the initial fee, Josh has to pay $33.33 per month for the gym membership.
b. The initial value is $25. This is a constant value and a one time fee to open and attain a gym membership.
Can somebody help me. Will Mark brainliest.
Answer:
around 81.2 degrees
Step-by-step explanation:
use inverse tangent
remeber tan = O/H
divide it first
84/13
6.461538461538462
then use invese tan([tex]tanx^{-1}[/tex])
81.20258929000894
or around 81.2 degrees
Help me with this :))))))))
Answer:
19.1
Step-by-step explanation:
6.6 + 12.5 = 19.1
Answer:
19.1
Step-by-step explanation:
It is adding PQ to QR which added up to 19.1
need help please asap!
Answer:
40 degrees
Step-by-step explanation:
90 degrees-50 degrees is equal to 90 degrees.
Answer:
a = 40°
Step-by-step explanation:
Since the total angle measurement is 90°, you can tell by the square indicator in the bottom right, you need to subtract 90 by 50. Doing to gives you 40. You can check by reversing this process. 50 + 40 = 90
,mood swings.......................................................................
Answer:
Brand A i think
Step-by-step explanation:
Answer:B
Step-by-step explanation:
The diameter of a circle is 7 ft. Find its area to the nearest tenth.
Answer:
38.5ft²
Step-by-step explanation:
we know the formula for Area is
A=pi*r²
A=38.5
f(x)=x^2 g(x)=x-5
(f of g)(-2)=
Step-by-step explanation:
search u po sa math papa dali LNG yan
What is UT? Please show work
Answer:
UT is the right angle triangle.
where UV is 8cm
TV:17cm
UV:?
Angle:UTV:60
UT is a right angle triangle
Choose the correct equation to represent the problem: 35% of what number is 42
a NYC street vendor spends $75 a day on supplies it cost the vendor $0.50 to make a pretzel the vendor sells each 3 dollars
Answer:
very unclear picture, and unclear question. is that really how it's worded?
Step-by-step explanation:
PLEASE HELPPPPP!!!!!! Solve each equation. Check your solution. (Please help! I will give brainliest to whoever answers them all!)
1. -1/2 = -6/18h
2. 16 = 3/10 a
3. 3/5 x = 12
4. 15/7y = 3
5. 14/3 = -7/9b
1) Answer:
[tex]h = \frac{3}{2} [/tex]
2) Answer:
[tex]a = \frac{160}{3} [/tex]
3) if you mean,
[tex] \frac{3}{5} x = 12[/tex]
Then the answer is. x = 20.
but, if you mean
[tex] \frac{3}{5x} = 12[/tex]
then the answer would be, x = 1/20.
4) Answer:
[tex]y = \frac{5}{7} [/tex]
5) If you mean,
[tex] \frac{14}{3} = - \frac{7}{9b} [/tex]
then the answer would be, b = -1/6
but if you mean,
[tex] \frac{14}{3} = - \frac{7}{9} b[/tex]
then the answer would be, b = -6
Can any one help my brother ?
Answer:
going down is 1/3
going across is 2/8
Step-by-step explanation:
Answer:
its 2/3 going down
2/8 going across
Step-by-step explanation:
What number is the opposite of the opposite of -99?
Answer:
Step-by-step explanation:
99
Answer: the opposite of -99 is 99 if your doing the absolute value
Step-by-step explanation:
A rain barrel has a diameter of 18 inches and a height of 3 feet. Find the total surface area to the nearest hundredth
Answer:
8.25 feet approx
Step-by-step explanation:
Given data
Diameter= 18inches to feet= 1.5 feet
radius= 1.5/2= 0.75 feet
Height= 3 feet
The expression for the total surface area of the barrel(cylinder) is given as
TSA= 2πrh+2πr^2
substitute
TSA= 2*3.142*0.75+ 2*3.142*(0.75)^2
TSA= 4.713+ 6.284*0.5625
TSA= 4.713+ 3.53475
TSA= 8.25 feet
Hence the TSA is 8.25 feet approx
Write the area as a product:
3x^2 - 7x - 6
Answer:
product is a ⋅ c = 3 ⋅ − 6 = − 18 and whose sum is b = − 7 .
Step-by-step explanation:
Factor
− 7 out of − 7 x .
3 x 2 − 7 ( x ) − 6
Rewrite
−7 as 2 plus −9
3 x 2 + (2−9) x −6
Apply the distributive property.
3 x 2 + 2 x − 9 x − 6
Isabell watch the movie that was four hours long. She stood up every 1/4 hours to stretch your legs. How many times it Isabell stand up during the movie?
Answer:
16
Step-by-step explanation:
3 times 3 times 9 times 10 Equals??
Answer:
810
Step-by-step explanation:
3 x 3 x 9 x 10 = 810 [times means multiply]
810.
3 X 3 = 9
9 X 9 = 81
81 X 10 = 810
Hope this helps and have a nice day.
-R3TR0 Z3R0
THE COFFICENT OF y in term -y /3 is
Answer:
-1/3
Step-by-step explanation:
hope it helps thanks
Answer:
-1/3
Step-by-step explanation:
juan sells raffle tickets at a charity event for $6 each.How many tickets does he have to sell to make $1114?
Answer:
186
Step-by-step explanation:
1114/6=185.6
then you round it cuz u cant sell .6 of a ticket
186
PLZ PLZ PLZ Solve this
find the smallest natural number by which 1008 should be multiplied to make it a perfect square
Answer:
7
Step-by-step explanation:
Therefore 1008 must be multiplied by 7 to make it a perfect square.
What is the perimeter of a rectangle with a length of
9
x
−
4
and a width of
5
x
+
2
?
Answer:
6
Step-by-step explanation:
The perimeter of a rectangle with a length of 9x - 4 and a width of (5x + 2) will be 18x - 4.
What is the perimeter of the rectangle?Let W be the rectangle's width and L its length. The perimeter of the rectangle will be defined as the total length of all of its sides. So the rectangle's perimeter will be given as,
Perimeter of the rectangle = 2(L + W) units
The dimension of the rectangle is given as,
L = 9x - 4
W = 5x + 2
Then the perimeter of the rectangle is given as,
P = 2(L + W)
P = 2(9x - 4 + 5x + 2)
P = 2(14x - 2)
P = 18x - 4
The perimeter of a rectangle with a length of 9x - 4 and a width of (5x + 2) will be 18x - 4.
More about the perimeter of the rectangle link is given below.
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