Assigning answers to statements about square numbers, whether it is always true, sometimes true or never true:
a the last digit is 5 - sometimes trueb the last digit is 7 - never truec last digit is a square number last digit is not 3 or 8 - never trueWhat are square numbers?
The term square numbers refers to numbers which are gotten when an integer multiplies itself. It is also called a perfect square. This number type is important in the field of mathematics and always applied.
Example of perfect squares are 4, 9, 16, 25, 36, 49, 64. 91, 100 and so on.
A perfect square will never have 2, 7, 3, or 8 as the last digit hence we can say that:
a the last digit is 5 - sometimes trueb the last digit is 7 - never truec last digit is a square number last digit is not 3 or 8 - never trueRead more perfect squares here: https://brainly.com/question/26119721
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5 [ 4 − ( − 2 ) ] + 6
Answer: 36
Step-by-step explanation:
Given expression
5 [4 - (-2)] + 6
Expand parentheses
5 [4 + 2] + 6
Simplify values in the bracket
5 [6] + 6
Simplify by multiplication
30 + 6
Simplify by addition
[tex]\boxed{36}[/tex]
Hope this helps!! :)
Please let me know if you have any questions
What is the measure of the largest angle?
Answer:
90°
Step-by-step explanation:
The angles of a triangle have a sum of 180°.
x + 2x + 3x = 180
6x = 180
x = 30
Substitute the value for the largest variable.
3(30) = 90
3s(4 + 6)2 is an example of
Answer:
A. An Algebraic Expression
Step-by-step explanation:
Since we have no equal sign in the problem, we know that it is an expression. An equation has an equal sign and another value so we can simplify to find the value of whatever variable we are working with. We also know that it is not anything numerical because we are working with variables. With this information we will see that the correct answer is A.
Best of Luck!
Answer:
options A an algebraic expression
Step-by-step explanation:
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Amy uses 48-cent stamps and 7-cent stamps to mail a gift card to a friend. If the postage is $2.07, how many of each stamp did Amy use?
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Answer:
3 48-cent stamps
9 7-cent stamps
Step-by-step explanation:
The number of 48-cent stamps Amy can use is less than 207/48 ≈ 4.3, so we can find the numbers by trial and error. We want ...
48a +7b = 207 . . . . . . postage in cents, where a, b are the numbers of stamps
b = (207 -48a)/7 = 29 4/7 -a(7 -1/7) = (29 -7a) +(a+4)/7
In order for b to be an integer, we must have (a+4) a multiple of 7. The least value of 'a' that will make this true is a=3. That value gives ...
b = (29 -7·3) +(3+4)/7 = 8 +1 = 9
Amy used 3 48-cent stamps and 9 7-cent stamps.
I am a prime number.
Tam two digits.
The sum of my digits is 8.
My tens digit is 6 less than my ones digit.
Answer:
17
Step-by-step explanation:
17 is a prime number17 has two digitsThe digits in 17, 1 and 7, add up to 8The tens digit is 6 less than the ones digit place.The base of a triangle measures 12 1/2" (twelve and 1/2 inches). The height of the triangle is 27". What is the area (in square inches)?
(Remember A=1/2base x height)
Answer:
168.75 in²
Step-by-step explanation:
12.5 * 27 = 337.5
337.5/2 = 168.75
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-Chetan K
Find the length of Jl.
JI=2x - 6
KJ=2x - 15
KI=15
Answer:
x=12
Step-by-step explanation:
2x-15 + 2x-6 = 15
4x = 36
x = 9
2 x 9 - 6 = 12
A pool charges $7 for 2 daily pool passes.
Which table could represent the situation?
Answer:
Therefore, membership of the pool will be less expensive until number of visits to the pool is one fourth of the membership.
Option B is the table which could represent the given situation.
What is a linear equation?A linear equation is an equation in which the highest power of the variable is always 1. It is also known as a one-degree equation.
According to the question
A pool charges $7 for 2 daily pool passes.
Using the linear equation y = mx + b
Substitute x = 2, y = 7
[tex]7 = 2m + b[/tex].....(1)
Substitute x = 4, y = 14
[tex]14 = 4m + b[/tex] .....(2)
Using elimination method
Subtract equation 1 from 2
[tex]14 - 7 = 4m - 2m + b - b[/tex]
[tex]7 = 2m[/tex]
[tex]m=\frac{7}{2}[/tex]
Substitute m = [tex]\frac{7}{2}[/tex] in equation 1
[tex]7=2(\frac{7}{2} )+b[/tex]
b = 7 - 7
b = 0
Substitute b = 0 in equation 1
7 = 2m
Similarly
14 = 4m
21 = 6m
28 = 8m
Hence, Option B is the table which could represent the given situation.
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Given w = 2+2i, Find w+1/w
Answer:
0
Step-by-step explanation:
w+1/w=(2+2i)+1/(2+2i)
=(2+2i)+(2+2i)-1
=0
Answers will be auto-submitted when time expires.
1. Answer the question below. (1 point)
Which function is quadratic?
A
X
O
1
2
6
3
0
у
18
12
0
B
х
-3
-1
-2
1
-1
3
5
y
C
८x
-2
4
0
0
2
4
4
16
D
X
1
5
2
7
3
9
4
11
y
Ο Α
Answer:
Try taking a screen shot as this is indecipherable.
Step-by-step explanation:
50% is 20% of what number?
Answer:
I think the answer is 30 percent
Help help help please hurry
Answer:
1st is a cilinder
2nd is a sphere
3rd is a rectangle
4th is a cone
formulas for volume..maybe...
Find the midpoint M of the two sets of points. (Use midpt. formula)
X(-3, 4) Y(1, -1)
0 (-1,2.5)
(-2, 2.5)
0 (-1, 1.5)
(-2, 1.5)
Answer:
(-1, 1.5)
Step-by-step explanation:
Find the midpoint of points A(-4,0) and B(3,-10) graphically.
Answer:
(7,10)
Step-by-step explanation:
i need help with this equation.
g= -2+2a
Answer: a= [tex]g+2 / 2[/tex]
Step-by-step explanation:
g= -2 + 2a
>> -2+2a=g ( side change )
>> -2+2a +2 = g+2 ( adding 2 both side)
>> 2a = g+2
>> 2a /2 = g+2 /2 ( divide by 2 both side)
>> a= g+2 /2
7+6(-8x-7)=3(-6x+8)+1
Answer:
x = -2
Step-by-step explanation:
7 - 48x - 42 = - 18x + 24 + 1
-35 - 48x = -18x + 25
-48x +18x = 25 =35
-30x = 60
x = -2
Answer:
-2
Step-by-step explanation:
7+6 (-8x-7)=3 (-6x+8)+1
7-48x-42= -18x+24+1
-48+18= 24+1-7+42
-30x=60 then divide the two sides with -30
x= -2
find the total distance the model airplane
Answer:
1833 miles is the total distance if the model airplane.
Simplify equation 9/-4-7i
Answer:
[tex] - \frac{36}{65} + \frac{63}{65} i[/tex]
Step-by-step explanation:
[tex] \frac{9}{ - 4 - 7i} [/tex]
➡️ [tex] \frac{9( - 4 + 7i)}{( - 4 - 7i) \times ( - 4 + 7i)} [/tex]
➡️ [tex] \frac{ - 36 + 63i}{16 - 49 {i}^{2} } [/tex]
➡️ [tex] \frac{ - 36 + 63i}{16 - 49 \times ( - 1) } [/tex]
➡️ [tex] \frac{ - 36 + 63i}{16 + 49} [/tex]
➡️ [tex] \frac{ - 36 + 63i}{65} [/tex]
➡️ [tex] - \frac{36}{65} + \frac{63}{65} i[/tex] ✅
calculate the arthmetic mean of 40,50,60,70,80,90.
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Answer:
65
Step-by-step explanation:
The six numbers are sequential multiples of 10, so the mean is halfway between the middle two. Halfway between 60 and 70 is 65.
The mean of the 6 numbers is 65.
write down what you know from the markings
Answer:
YMCA means nothing without the A
Step-by-step explanation:
Help the question is hard
Answer:
x = - 15
Step-by-step explanation:
Givens
The trick is to let the letters = points of a clock that keeps time this way.
l = 9 oclock
C = 3 oclock
-H= -8
Formula
(x - l) / C = -H
Solution
Substitute the givens into the equation
(x - 9) / 3 = -8 Multiply both sides of the equation by 3
3*(x - 9)/3 = -8*3 Simplify
(x - 9) = - 24 Remove the brackets
x - 9 = - 24 Add 9 to both sides.
x-9+9 = -24+9 Combine
x = - 15
The circled ones I need help on
Please help I don’t get it
It’s asking if it’s equal to or not equal to
Answer:
Both questions seem to be equal
Step-by-step explanation:
1.12: X, Y, and Z are equal to A, B, and C since they are all variables.
1.13: 0 has the value of nothing so in a way that would mean it can equal the empty box.
I hope this helps. It is a bit confusing since I do not know the main objective.
[tex]A=4\pi r^2[/tex]
Answer:
I have attached an image for the answer
please mark as brainliest thanks!
Answer:
i dont know, sorry
Step-by-step explanation:
A coin is flipped two times and the number of heads is counted. Which of the following is a valid assignment
of probabilities for the number of heads observed in two flips?
8.
Number of heads
Probability
0
1/10
1
5/10
2
4/10
b.
Number of heads
0
1
2
Probability
1/4
2/4
1/4
C.
0
1
Number of heads
Probability
2
1/3
1/3
1/3
d. All answer options are correct
Answer:
5/10, 1, 2/4,
Step-by-step explanation:
The following is the number of oil changes for the last 7 days at the Jiffy Lube located at the corner of Elm Street and Pennsylvania
Avenue.
41
15
39
54
31
15
33
Determine the mean, median, and mode. (Round "Mean" to 2 decimal places.)
Mean
Median
3257
54
Mode
Given:
[tex]\to \bold{41,15,39,54,31,15,33}[/tex]
Arrange numbers into ascending order:
[tex]\to \bold{15, 15, 31, 33, 39, 41, 54 }[/tex]
Mean formula:
[tex]M=\frac{\text{total of given number}}{\text{total number}}[/tex]
[tex]=\bold{ \frac{{15+ 15+ 31+ 33+ 39+ 41+ 54 }}{7}}\\\\= \bold{\frac{228}{7}}\\\\= \bold{32.57}\\\\[/tex]
Median formula:
n=7 that is an odd number then
[tex]=\bold{(\frac{n+1}{2})^{th}} \ term\\\\=\bold{(\frac{7+1}{2})^{th}} \ term\\\\=\bold{(\frac{8}{2})^{th}} \ term\\\\=\bold{(4)^{th}} \ term\\\\ =\bold{33}[/tex]
Mode:
As per the above-given definition its value =15
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Please help!
Find the value of x for which ABCD must be a parallelogram.
Answer:
x=5
Step-by-step explanation:
5x-8=2x+7
5x-2x=7+8
3x=15
X=15/3
x=5
Answer:
5
Step-by-step explanation:
cause
angle c and angle a are alternate angle and alternate angle are always equal so 5X-8=2x+7
5x-2x=7+8
3x=15
or x=5
Which of the following is equal to 3,409? A. ( 3 × 10 4 ) + ( 4 × 10 3 ) + ( 9 × 10 1 ) B. ( 3 × 10 3 ) + ( 4 × 10 2 ) + ( 9 × 10 0 ) C. ( 3 × 10 2 ) + ( 4 × 10 1 ) + ( 9 × 10 0 ) D. ( 3 × 10 3 ) + ( 4 × 10 2 ) + ( 9 × 10 1 )
Answer:
A=1633
B=1617
C=1610
D=1626
Step-by-step explanation:
I am not totally sure about 3409 ?
None of the following option sum up to 3400 or close.
What is sum ?Sum is addition
According to the question given we have to determine which of the following is 3409.
A. ( 3 × 104 ) + ( 4 × 103 ) + ( 9 × 101 )
= 312 + 412 + 909.
= 724 + 909
= 1633.
B. ( 3 × 103 ) + ( 4 × 102 ) + ( 9 × 100 )
= 309 + ......
C. 300 + 400 + 900 not sum up to 3400.
D. 300 + 400 + 900 again not sum up to 3400
So, none of the following options sum up to or sum up close to 3400.
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If a gas tank can hold 30 gallons, how many gallons does it contain when it is three-fifths full?
Answer:
3/5 of 30 = (3/5)*30
3/5 of 30 = (3/5)*303/5 of 30 = (3*30)/5
3/5 of 30 = (3/5)*303/5 of 30 = (3*30)/53/5 of 30 = 90/5
3/5 of 30 = (3/5)*303/5 of 30 = (3*30)/53/5 of 30 = 90/53/5 of 30 = 18
3/5 of 30 = (3/5)*303/5 of 30 = (3*30)/53/5 of 30 = 90/53/5 of 30 = 18So when the tank is 3/5 full, there are 18 gallons in the tank.
Does anyone know how to divide a fourth degree polynomial
Answer: Polynomial long division can be used to divide a polynomial by any polynomial with equal or lower degree. The Division Algorithm tells us that a polynomial dividend can be written as the product of the divisor and the quotient added to the remainder.
Step-by-step explanation:
Express the edge length of a cube as a function of the cube's diagonal length d. Then express the surface area and volume of the cube as a function of the diagonal length.
a. A function for the edge length of a cube is L(d) = _________________
b. A function for the surface area of a cube is Ald) = _____________
c. A function for the volume of a cube is V(d) = ________________
Answer:
Step-by-step explanation:
If L is the length of a side, the longest diagonal in the cube is
d = √(L² + L² + L²) = √(3L²) = L√3
meaning
a) L(d) = d/√3 = ⅓d√3
b) A(d) = 6(L(d))² = 6(⅓d√3)² = 6(⅟₉d²(3)) = 2d²
c) V(d) = (L(d))³ = (⅓d√3)³ = ⅟₂₇d³3√3 = ⅟₉d³√3