Answer:
equilateral because all the sides are equal
A teacher randomly selects students to answer questions during class. There are 14 boys and 12 girls in the class. Once the teacher selects a student, the teacher does not select that student again until all the other students have been selected. What is the probability that the teacher will select a boy to answer the first question and another boy to answer the second question?
А. 7/13
B. 7/25
C. 7/26
D. 1/13
Answer:
I believe that it is 7/26, but I think someone may still need to check my work.
Step-by-step explanation:
The first chance is 14/26, and the second is 13/25. If you incorporate those into each other, the closest option in my eyes is 7/26. However, I am not completely sure about this, so you should take this answer with a grain of salt.
Two numbers are in the ratio 7:5 The difference of the two numbers is 246. Find
the numbers
Answer:
861 : 615
Step-by-step explanation:
7 + 5 = 12
246 ÷ 12 = 123
7 × 123 = 861
5 × 123 = 615
861 -65 = 246
Using partial quotients, which would be the best choice for the first number to subtract in the division problem 673 divided by 25?
Answer:
Best for choice for the first number to subtract = 500
Step-by-step explanation:
The dividend is 673 while the divisor is 25
First step is to subtract from the dividend an easy multiple like 100 times the divisor,20 times the divisor, 10 times the divisor, 5 times the divisor 2 times the divisor etc.
The best choice for the first number to subtract will be 20 times the divisor because when we multiply 20 by 25 and subtract from 673,we will get 173. And the next quotient will be 6 which is in units as the first one of 20 was in tens.
Best choice to subtract = 20 × 25 = 500
Answer: 500
Step-by-step explanation:
Solve the
equation:
-X/5 =q
Answer:
x = -5q
Step-by-step explanation:
-x/5 = q
-x = 5q
x = -5q
Answer:
-2
Step-by-step explanation:
I made a fort by connecting two boxes.
The first box is 555 meters long, 999 meters wide, and 999 meters high.
The second box is 333 meters long, 888 meters wide, and 222 meters high.
How many cubic meters of space does my fort have?
Answer:
453m^3
Step-by-step explanation:
The cubic meters of space does the gorilla have to play in her fort is equal to adds the volume of the first box and the volume of the second box.
The volume of the box is equal to: V = LWH
Find the volume of the first box:
V1 = 5x9x9 = 405m^3
Find the volume of the second box:
V2 = 3x8x2 = 48m^3
Add V1 and V2:
405m^3 + 48m^3 = 453m^3
Suppose that a phone that originally sold for $800 and loses 3/5 of its value each year after it is released.
3. Write an equation for the value of the phone, p, t years after it is released.
Answer:
128 after 2 years
Step-by-step explanation:
A principal of $4500 is invested at 4.25% interest, compounded annually. How much will the investment be worth after 12 years?
Use the calculator provided and round your answer to the nearest dollar.
The money will be worth 7412 at the end of the 12th year.
What is compound interest?Compound interest is the interest that accrues on a loan or deposit on both the initial interests and principal.
Analysis:
To calculate the amount after 12 years we use the compound interest formula, A = P[tex](1 + \frac{r}{100} )^{n}[/tex]
where A = amount after a period of time, P = initial principal = 4500, r = rate = 4.25, n = number of years = 12.
A = 4500[tex](1 + \frac{4.25}{100} )^{12}[/tex] = 7412
In conclusion, 7412 dollar will be realized at the end of the 12th year.
Learn more about compound interest: brainly.com/question/24924853
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Find the x and y intercepts
3x + 12y= 24
Answer:
x-intercept: (8,0)
y-intercept: (0,2)
What the answer please help me i need it now I’ll mark brainleist.
If u dont know dont answer
Answer:
Step-by-step explanation:
slope is -7
Answer:
The slope is -7
Step-by-step explanation:
7x + y=28
-7x -7x
y=-7x+28
Draw a line for each of the scenarios below.
10^2 - 36
Helpppppp
The sum of a number x and 4, all divided by 3
12 i think. is it? no idea.
Answer:
(y+4) divided 3
Step-by-step explanation:
PLEASE HELPPP
four subtracted from x is lees than or equal to -19
Answer:
x < or = -15
Step-by-step explanation:
x-4 < or = -19
x < or = -19+4
x < or = -15
Answer:
Word form to number form:
[tex]x-4\leq -19[/tex]
To solve for x:
[tex]x\leq -15[/tex]
Step-by-step explanation:
I don’t know what answer you want, but I put an answer that converted your word form to number form, and I also solved for x. In case you want it graphed, it is shown in the attached image.
Hope this helps and answers your question! :)
X + 4 /3 as a substitution when x = 5
Let's say you have two line segments, AB and CD which bisect each other at point E. Explain why AC = DB.
Answer:
[tex]AC=DB[/tex]
(corresponding parts of congruent triangles are equal)
Step-by-step explanation:
Consider triangles ACE and BDE.
As AB and CD bisect each other at point E,
[tex]AE=BE\\CE=DE[/tex]
As AB and CD intersect each other at point E and vertically opposite angles are equal,
∠AEC = ∠BED
So,
ΔAEC ≅ ΔBED (Using SAS congruence criteria)
(According to SAS congruence criteria, if two sides and the included angle of one triangle are equal to the corresponding two sides and the included angle of another triangle then the two triangles are said to be congruent.)
Hence,
[tex]AC=DB[/tex]
(corresponding parts of congruent triangles are equal)
When segments AB and CD bisect each other at point E, the two triangles formed, [tex]\triangle AEC $ and $ \triangle BED[/tex], are congruent to each other SAS Congruence Theorem, therefore, AC = DB.
Recall:
Congruent triangles have equal sides and equal angles that corresponds to each other.Line segments AB bisecting line segment CD at point E will give us the triangles AEC and BED if we join A to C, and B to D.
Thus, the following information can be deduced from the image of both triangles shown in the attachment below:
[tex]EC \cong ED\\\\AE \cong BE[/tex] (congruent segments)
[tex]\angle AEC \cong \angle BED[/tex] (vertical angles)
From the above stated, [tex]\mathbf{\triangle AEC \cong \triangle BED}[/tex] by the SAS Congruence Theorem.
Since both triangles are congruent, all their corresponding sides would be congruent, therefore AC = DB.
In summary, when segments AB and CD bisect each other at point E, the two triangles formed, [tex]\triangle AEC $ and $ \triangle BED[/tex], are congruent to each other SAS Congruence Theorem, therefore, AC = DB.
Learn more here:
https://brainly.com/question/25126780
The width of DNA is approximately 0.0000000025 meter wide. What is 6 times the width of DNA, in scientific notation?
1.5 × 10-12 meter
1.5 × 10, -12, meter
1.5 × 10-10 meter
1.5 × 10, -10, meter
1.5 × 10-9 meter
1.5 × 10, -9, meter
1.5 × 10-8 meter
1.5 × 10, -8, meter
Answer:
1.5×10-9 meter.
........
Help plz idk I need help ASAP
Answer:
1. A
2. - (b)
3. a = c - b
find the value of k
4x+y=8
y=kx+2
options
-4
4
-1/4
1/4
Answer:
4 i think im not sure
Step-by-step explanation:
Subtract yy from both sides of the equation.
4x=8−y4x=8-y
y=kx+2y=kx+2
Divide each term by 44 and simplify.
Tap for more steps...
x=2−y4x=2-y4
y=kx+2
If A = 2 + 7i, B = 5 + 8i, and C = 1 + 3i , where i is the imaginary unit. Find B-AC, give your answer as a complex number in standard form.
Please give full answer
Answer:
24 - 5iStep-by-step explanation:
GivenA = 2 + 7i B = 5 + 8i C = 1 + 3iTo findValue of B - AC in standard formSolutionB - AC =5 + 8i - (2 + 7i)(1 + 3i) =5 + 8i - 2 - 7i - 6i - 21i² =3 - 5i + 21 =24 - 5i6th grade math I mark as brainliest zoom in if needed
Answer
A. 42 tickets
Explanation
Since everyone must go on the ride together the number of tickets must be a multiple of 8 (since there are 8 people). 42 is the only number that is not a multiple of 8.
Solve -1 4/5x = 9 please hep and fast
Answer:
[tex]x = \frac{ - 14}{45} [/tex]
Step-by-step explanation:
[tex] \frac{ - 14}{5x} = 9 \\ - 14 = 9 \times 5x \\ - 14 = 45x \\ x = \frac{ - 14}{45} [/tex]
Can You Solve This?
6 = 2(1+2) =
= X
you trying to say the 6÷2(1+2)?
Because the answer is 9.. I guess-
Solve |5x - 1|= |2x + 5|
Answer:
x=2
Step-by-step explanation:
5x−1=2x+5(Possibility 1)
5x−1−2x=2x+5−2x(Subtract 2x from both sides)
3x−1=5
3x−1+1=5+1(Add 1 to both sides)
3x=6
3x
3
=
6
3
(Divide both sides by 3)
Answer:x1 = - 4/7 x2 = 2
Step-by-step explanation:
3. Estimate:
48
x 38
Answer:
1,824 about 1,820 for an estimate
Step-by-step explanation:
Brooke measures the height of her bean plant for a science project. The bean plant is 12.5 inches ta How many centimeters tall is Brooke's bean plant?
Answer:
31.75 cm
Step-by-step explanation:
1 inch = 2.54 cm
Therefore, 12.5 x 2.54 = 31.75
The figure is a parallelogram.
Solve for x.
L2FwcGhvc3RpbmdfcHJvZC9ibG9icy9BRW5CMlVvWm1vYnYzTkY3T0xKLWloMHlvX0htUE9SVkdWdHpDS2tmazduVHcwT2h5cHUyV1BRanRTc2VtMi1hSC1WdFpzTEUtNkt4Y2hTY0NaeHd0WWsxNXNIcGtucHE5QS4wczJLeGNoSEYzYy1vNkV6?w=400&h=400
a
x=1
b
x=11
c
x=7
d
x=7
solve 93 divide by 4 using the area model, long division, and the Distributive property.
Answer:
23.25
Step-by-step explanation:
Your answer would be 23.25, but if you have to show work, this will still help you either way.
The value of 93 divided by 4 is 23.25.
What is division?Division is the process of dividing a number by a given number.
Given to divide 93 by 4.
93/4
= (90 + 3)/4
= 90/4 + 3/4
= 22.5 + 0.75
= 23.25
Hence, the value of 93 divided by 4 is 23.25.
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Solve the
equation:
6x = -78
Answer:
Step-by-step explanation:
6x= -78 you just solve it algabraicly
6x= -78
/6x /6x
x= -13
Answer:
x = 13
Step-by-step explanation:
Divide both sides of the equation by the same term
6x/6 =78/6
Simplify
Cancel terms that are in both the numerator and denominator
6x/6=78/6
x=78/6
Divide
x=78/6
x=13
Hope this helps!
Please help me thank you.
Answer: yeah I need this too
Step-by-step explanation:
Malcolm and Theo's families are both traveling to the same vacation resort.
The equation d=65t models the distance, d, that Malcolm's family travels after t hours.
The graph below shows the relationship between the distance and the amount of time that Theo's family traveled.
Solution :
Equation for Malcom's family travels after t hours is d = 65 t
From the graph, equation for Theo's family travels after travels after t hours is
[tex]$d=\frac{225}{4.5}t$[/tex]
[tex]$d=50 t$[/tex]
For Malcom's family, speed [tex]$= \frac{d}{t}$[/tex] = 65 miles per hour
For Theo's family, speed [tex]$= \frac{d}{t}$[/tex] = 50 miles per hour
Malcom's family traveled faster than Theo's family by
= (65-50) miles per hour
= 15 miles per hour