Answer:
2÷(−2) = -1
Step-by-step explanation:
Answer:
-1 <3
Step-by-step explanation:
giving brainliest 3x^{2} -5x-2=0
Answer:
Step-by-step explanation:
I can guess what the instructions are, but it'd be helpful if you were to share them.
3x^2 - 5x - 1 = 0 is a quadratic with coefficients {3, -5, -1}. Find the discriminant b^2 - 4ac: 25 - 4(3)(-1) = 13.
Because the discriminant is positive, we know we have two unequal real roots here. Continuing with the quadratic formula, we obtain:
-(-5) ±√13 5 ± √13
x = ----------------- = ----------------
2(3) 6
Answer:
4x=2
Step-by-step explanation:
3x^2-5x-2=0
9x-5x-2=0
4x +2 +2
4x=2
Which equation is the slope intercept form 4x+2y=-96
Answer:
the answer for this problem is y= -2x-48
Step-by-step explanation:
4x+2y= -96
2y= -96-4x
y= -48-2x
y= -2x-48
Ruby uses 1/4 yard of ribbon to make 2 bows.
Answer:
1/4 ÷ 2
Step-by-step explanation:
Answer:
the first option 1/4 ÷ 2
hope it helped!!!
The area of a rectangular garden is 96 square feet. The width is 4 feet less than the length. What is the length of the garden?
9514 1404 393
Answer:
12 ft
Step-by-step explanation:
We can let x represent the average of length and width. Then the length is x+2, and the width is x-2. Then the area is ...
(x +2)(x -2) = 96
x^2 = 100
x = √100 = 10
The length is x+2, so ...
the length of the garden is 12 feet.
Michael wants to buy 2 tickets to the circus. Each ticket costs $37.50. How much will Michael spend for the tickets to the circus
Answer:
15Step-by-step explanation:y = family members = 7x = cos
Step-by-step explanation:
Answer:
$75.00
Step-by-step explanation:
2 x $37.50 = $75.00
What’s the answer??
Given f (x) = 6x2 and g(x) = 3x +4, find g (f (4)).
Answer:
292
Step-by-step explanation:
Given
f(x) = 6x²
g(x) = 3x + 4
Now.
f(4) = 6 * 4²
= 6 * 16
= 96
Now
g(f(4) = g( 96)
= 3 * 96 + 4
= 288 + 4
= 292
Hope it will help :)❤
What value represents the solution of the equation 2 (x+5) = }(2 - 4)?
A
-8
B
-6
С
6
D
8
Answer:
C -6
step by step explanation:
Pls help me good Afternoon/evening/morning
Answer:
b. 14
Step-by-step explanation:
The sum of rational numbers and an irrational numbers
Answer:
Step-by-step explanation:
The sum of any rational number and any irrational number will always be an irrational number.
If the gradient of a line joining the points (-2, 6) and (5, b) is 14.
Find the value of b.
Answer:
b = 104
Step-by-step explanation:
Slope is expressed as;
m = y2-y1/x2-x1
14 = b - 6/5-(-2)
14 = b - 6/5+2
14 = b-6/7
Cross multiply
b-6 = 14 * 7
b - 6 = 98
b = 98 + 6
b = 104
What is the diameter of the following circle
Answer:
d = 140 in
Step-by-step explanation:
Remember that d = 2r. If r = 70 in, then d = 140 in
In which number is the digit 7 one thousand times larger than it is in the number 1,227
Answer:
The number is 7,122.
Step-by-step explanation:
This is simply a question of place value.
The concept of place value explains that the position a digit is within a number affects its value. Now the digit has several value slots which it can occupy within a number.
Let me use the number 7, 654, 321 to demonstrate this:
The digit 1 occupies the unit place; hence it has a value of 1
The digit 2 occupies the tens place; hence it has a value of 20
The digit 3 occupies the hundreds place; hence it has a value of 300
The digit 4 occupies the thousands place; hence it has a value of 4000
The digit 5 occupies the tens of thousands place; hence it has a value of 50,000
The digit 6 occupies the hundreds of thousands place; hence it has a value of 600,000
The digit 7 occupies the millions place; hence it has a value of 7,000,000
Therefore, to make the digit 7 in the number 1,227, one thousand times larger than it is, we have to move the place value of the digit to the thousands position.
This will make the number 7,122.
in 1,227, seven has a value of only 7 units, but in 7,122. seven has a value of 7,000
Find the surface area of a cube with the following side length.
9
Answer:
486
Step-by-step explanation:
Find the shaded area. Leave your answers in terms of PI.
Answer choices:
4π
64π
6π
8π
Answer:
8π cm^2
Step-by-step explanation:
Here's your solution
=> Area of biggest circle = πr^2
=> Area = 16π cm^2
=> Area of small circle = 4π cm^2
=> there are two circles hence both area =
8π cm^2
=> now, Area of shaded region = 16π cm^2 - 8π cm^
=> Area = 8π cm^2
hope it helps
if there was 180 keys and he sent some and now he got 107 keys how many did he spend
Answer:
73
Step-by-step explanation:
Exit Slip: Find the Circumference and the Area of the given circle. Show all work!!
A=πr2=π·4.52≈63.61725
C=2πr=2·π·4.5≈28.27433
C≈28.27. - the circumference
A≈63.62 - AREA
If I roll a dice 120 times how many times I expect to get a 2
Answer:
If one rolls a dice 120 times, he/she expect to get a 2, 20 time
Step-by-step explanation:
The probability of getting a 2 when the dice is rolled 1 time is [tex]\frac{1}{6}[/tex]
Given - The dice is rolled for 120 times
Probability of getting a 2 is
[tex]\frac{1}{6} *120\\= 20[/tex]
Thus, if one rolls a dice 120 times, he/she expect to get a 2, 20 time
i need help with all of thies
Answer:
The equation for finding the hypotenuse is:
c^2+c^2=h^2
For example, in the first exercise:
8^2+10^2=164^2
For clearing the equation, find out the root of 164=
12.8
Hypotenuse of the first triangle is 12.8!
Let me help you with the next, if you still dont get it:
8^2+13^2=233^2
Root of 233: 15.2
Hypotenuse of second triangle is 15.2!
A blueprint of a house shows a
bedroom with an area of 12 square
inches. If the blueprint's scale is
1 inch : 3 feet, what would be the
actual square footage of the bedroom?
Answer:
108
Step-by-step explanation:
3 ft. squared is 9 ft.
9x12=108
The actual square footage size of the bedroom will be 108 sq. ft.
What is area of rectangle?
The area of any shape is the number of unit squares that can fit into it. Here "unit" refers to one (1) and a unit square is a square with a side of 1 unit. So, the area of a rectangle is the number of unit squares within the boundary of the rectangle.
Here, Scale : 1 inch = 3 ft.
Let, the length of the bedroom on blue print be x inches and breadth be y inches.
then the actual length of bedroom will be 3x ft. and actual breadth will be 3y ft.
Area in blue print = xy = 12 sq. inches
Area of actual bedroom = length X breadth
= 3x X 3y
= 9xy
= 9 X 12
= 108 sq. ft.
Thus, the actual square footage size of the bedroom will be 108 sq. ft.
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11. In circle R. BC = 5 and CE = 12
Which values are not possible lengths for segments AC and CD,
respectively?
В
A. 6 and 10
B. 3 and 20
C. 4 and 15
D. 12 and 13
Answer:
D) 12 and 13
Step-by-step explanation:
BC x CE = AC x CD
5 x 12 = AC x CD
60 = AC x CD
A) 6 x 10 = 60, yes
B) 3 x 20 = 60, yes
C) 4 x 15 = 60, yes
D) 12 x 13 ≠ 60, so no
The values that are not possible lengths for segments AC and CD,
is 12 and 13
Option D is correct
Chords in a circle :when two chords intersects in a circle , then the product of the length of segments of the chords are equal
Product of chordsFrom the given circle , the product of the measure of the segments are equal
[tex]AC \cdot CD= BC \cdot CE[/tex]
In circle R, BC = 5 and CE = 12
Substitute the values inside the formula.
[tex]AC \cdot CD= BC \cdot CE\\AC \cdot CD= 5 \cdot 12\\AC \cdot CD= 60[/tex]
Now we look at the options and see which one gives the product 60
[tex]6 \cdot 10=60\\3 \cdot 20=60\\4 \cdot 15= 60\\12 \cdot 13= 156[/tex]
The values that are not possible lengths for segments AC and CD,
is 12 and 13 because the product is 156 not 60.
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NO LINKS!!!!!!!!! please solve it and explain it.
Answer:
3/2
Step-by-step explanation:
(70,60),(50,30)
m=Δy/Δx=60-30/70-50
=> 30/20=3/2
hope it helps
have a great day!!
In ΔKLM, l = 570 cm, k = 490 cm and ∠K=46°. Find all possible values of ∠L, to the nearest degree.
Step-by-step explanation:
In ΔKLM, l = 570 cm, k = 490 cm and ∠K=46°. Find all possible values of ∠L, to the nearest degree.
K
L
M
k = 490
l = 570
46°
?°
\frac{\sin A}{a}=\frac{\sin B}{b}
a
sinA
=
b
sinB
From the reference sheet (reciprocal version).
\frac{\sin L}{570}=\frac{\sin 46}{490}
570
sinL
=
490
sin46
Plug in values.
\sin L=\frac{570\sin 46}{490}\approx 0.836783
sinL=
490
570sin46
≈0.836783
Evaluate.
L=\sin^{-1}(0.836783)\approx 56.8\approx 57^{\circ}
L=sin
−1
(0.836783)≈56.8≈57
∘
Inverse sine and round.
\text{Quadrant II: } 180-57=123^{\circ}
Quadrant II: 180−57=123
∘
Sine is positive in quadrants 1 and 2.
\text{Check for possibility:}
Check for possibility:
No triangle's angles may add to more than 180.
46+57=103
46+57=103
∘
←Possible
Less than 180.
46+123=169}
46+123=169
∘
←Possible
Less than 180.
Answer: 57
and 123
The measure of angle L from the given triangle KLM is 57°.
What is sine rule?Law of Sines In trigonometry, the law of sines, sine law, sine formula, or sine rule is an equation relating the lengths of the sides of any triangle to the sines of its angles.
The formula for sine rule is sinA/a=sinB/b=sinC/c. Where, A=angle A, a=length of side a, B=angle B, b=length of side b, C=angle C and c=length side c.
Given that, in ΔKLM, l = 570 cm, k = 490 cm and ∠K=46°.
By using sine rule in the triangle KLM, we get
sinL/l=sinK/k
sinL/570=sin46°/490
Here, sin46°=0.7193
sinL/570=0.7193/490
sinL/570=0.001467
sinL=0.8367
∠L=sin⁻¹(0.8367)
∠L=57°
Therefore, by using sine rule the measure of angle L is 57°.
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answer choices:
3
2 sq root 3
3 sq root 3
6
9
Answer:
third
Step-by-step explanation:
hope it helped!!!
A 12 foot ladder is placed 3 feet from a house and leaned against the house. At what height does the ladder touch the house?
what the sums of 4 to the power of 9 divided by 2
Answer:
131072?
Step-by-step explanation:
The graph below shows the hourly wage of Tina when she was working
summers from high school through college. How much did her salary
increase between 2001 and 2006? Do not include units in your answer.
Tina's salary increased upto 5 between 2001 and 2006.
What is Graph?Graph is the pictorial representation of a mathematical relation, function in Cartesian or other mathematical plane.
Here in the given problem there is one graph in Cartesian Plane.
The graph shows the change in hourly wage of Tina with respect to year.
According to the graph,
Tina's hourly wage in 2001 is 5.50; in 2002 is 6.50; in 2003 is 7.00; in 2004 is 7.75; in 2005 is 8.50 and in 2006 is 10.50; in 2007 is 11.50.
Then the change in hourly wage of Tina in between 2001 and 2006 is = 10.50 - 5.50 = 5
Hence the change in hourly wage of Tina in between 2001 and 2006 is 5.
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the owner of a zoo described to take a random sample of the zoos visitors to find out which exhibit was the visitor's favorite. the results are shown in the provided table. if the zoo has 819 visitors , about how many would say the gorillas is their favorite exhibit?
819 is the answer because thats how many visitors he got
round answer to the nearest whole number!!
Answer:
138,706 typewriters
Step-by-step explanation:
290,000(0.9)^7
=138,706
Answer:
138,706 typewriters
Step-by-step explanation:
:>
Olive is allowed to bring one friend on a trip with her.
She does not want to play favorites.
What is NOT a random method of choosing a friend? what’s is NOT a random method of choosing a friend
Answer:
Process of elimination
Step-by-step explanation:
If Olive wants to choose a friend while not playing favorites, while also not being random, she has to eliminate the ones she knows she will NOT take on the trip. She can choose this by selecting the one she knows that will be best on the trip with her, depending on the situation.
Or, if Olive only has one friend, then it wouldn't be surprising that she would take that one friend on the trip, since she has no one else to choose. This way, it is not playing favorites, nor is it random. Hope this helps you!
Mary makes trait mix with bulk nuts and dried fruit. She spends on the dried fruit Mixed nuts cost $2.50 per pound. She has a total of $12 to spend
How many pounds of nuts can she buy?
Answer:
4 pounds
Step by Step Explaintion
The required Mary can buy 4 pounds of mixed nuts with her remaining budget.
What is simplification?The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.
Here,
If Mary has a total of $12 to spend and she spends $2.50 on dried fruit, then she has $12 - $2.50 = $9.50 left to spend on mixed nuts.
If mixed nuts cost $2.50 per pound, then Mary can buy $9.50 / $2.50 per pound = 3.8 pounds of mixed nuts.
However, since Mary cannot buy a fraction of a pound, the actual amount of mixed nuts she can buy will be limited to the nearest whole number.
Therefore, Mary can buy 4 pounds of mixed nuts with her remaining budget.
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