Step-by-step explanation:
5x²-45=05x²=45x²=9x=√9x=3hope it helps.
Answer:
x=±√9 or x= 3, x=-3
Step-by-step explanation:
The problem requires us to find the x.
So we must isolate the variable, as so-
[tex]5x^2-45=0\\5x^2=45[/tex] (add 45 to both sides)
Now we can divide both sides by -
[tex]5x^2=45\\x^2=9[/tex]
Now we must square root both sides to find the root of x.
[tex]\sqrt{x^2} =\sqrt{9}[/tex]
x=±√9
or x= 3, x=-3
Please help and NO LINKS I WILL REPORT
An angle measures 7/9ₙ radians. What is the degree measure of the angle?
A.) 2.44°
B.) 140°
C.) 280°
D.) 439.6°
Answer:
B. 140 degrees
Step-by-step explanation:
Edge 2020
A square pyramid has which of the following faces.
A) 4 rectangles and 1 square
B) 1 square and 4 triangles
C) 2 squares and 4 rectangles
D) 6 squares
E) 1 square and 3 triangles
Answer:
B
Step-by-step explanation:
because there's one square on the bottom and four triangles on the sides
Which statements are true for the functions g(x) = x2 and h(x) = –x2 ? Check all that apply.
For any value of x, g(x) will always be greater than h(x).
For any value of x, h(x) will always be greater than g(x).
g(x) > h(x) for x = -1.
g(x) < h(x) for x = 3.
For positive values of x, g(x) > h(x).
For negative values of x, g(x) > h(x).
Answer:
For any value of x, g(x) will always be greater than h(x)
g(x) > h(x) for x = -1
For positive values of x, g(x) > h(x).
For negative values of x, g(x) > h(x).
Answer:
Which statements are true for the functions g(x) = x2 and h(x) = –x2 ? Check all that apply.
g(x) > h(x) for x = -1.
For positive values of x, g(x) > h(x).
For negative values of x, g(x) > h(x).
Step-by-step explanation:
and for the lazy people its just C, E, F
An envelope has a perimeter of 30 inches. Its area is 50 square inches. What are the dimensions of the
envelope?
inches by
inches
Answer:
10x5
Step-by-step explanation:
5
10 10
5
10x2=20
5x2=10
10+20=30
10x5=50
Please help!
I’ll give the brainliest to the one who gives me the right answer, thank you!
Answer:
153.94
Step-by-step explanation:
Find the area of the sector:
A = (1/4)(14^2π)
A = (1/4)(196π)
A = 49π
A ≈ 153.94
6 gallons 3 pints = pints
Answer:
51
Step-by-step explanation:
Each gallon is equal to 8 pints. That means that you can just multiply 8 by 6, which gives you 48, then add 3.
Hope that this helps!
Answer:
51
Step-by-step explanation:
I need help pls guys and girls helpp mee
Answer:
C
Step-by-step explanation:
The expression 6x - 4 represents the diameter of a circle. The radius is 16 inches. What is the value of x?
Answer: 6
Step-by-step explanation:
Firstly, it should be noted that the diameter of a circle is twice its radius. In this case, the diameter of the circle will be:
Diameter = Radius × 2
Diameter = 16 × 2 = 32 inches
Therefore, to solve for x goes thus:
6x - 4 = 32
6x = 32 + 4
6x = 36
x = 36/6
x = 6
help please ill give branliest for best answer
Answer:
x=31
y=64
Step-by-step explanation:
the angle with the double mark is 85° so the angle on the same line which is marked (x) is 31°
since sum of angles in a triangle is 180° , therefore, y= 180-85-31 which is 64°
0.33333333×3.14×8×8×18
Answer:
1205.75999
Step-by-step explanation:
A section of a deck is shaped like a trapezoid. For this section, the length of one base is 29 feet, and the length of the other base is 24 feet. The height is 12 feet. What is the area of this section of the deck?
Answer:
A=318
Step-by-step explanation:
A= a+b/2h=24+29/2.12=318
Due in 5 mins help please!
K
9.6
16
M
L
Answer:
Step-by-step explanation:
Can anybody help and explain this? (Part a and b)
Answer:
Step-by-step explanation:
Part A
Given equation of the circle is,
x² + y² - 4x + 2y = b
Standard equation of the circle is given by,
(x - h)² + (y - k)² = r²
Here, (h, k) is the center and r = radius of the circle
Now we will convert this equation into a standard equation of the circle,
x² - 4x + y² + 2y = b
x² - 2(2x) + 2² + y² + 2y + 1² = b + 2² + 1²
(x² - 2(2x) + 4) + (y² + 2y + 1) = b + 4 + 1
(x - 2)² + (y + 1)² = √(b + 5)²
Therefore, (2, -1) will be the center of the given circle.
y-coordinate of the circle = -1
Part B
Since, radius of the circle is 7 units,
Therefore, [tex]\sqrt{b+5}=7[/tex]
b + 5 = 49
b = 49 - 5
b = 44
Find the Surface Area SA=2lw+2lh+2hw Length = 4 cm Height = 3 cm Width = 2cm
A. 24cm squared
B. 26cm squared
C. 52cm squared
D. 9cm squared
Answer:
solution given:
the Surface Area SA=2lw+2lh+2hw
Length = 4 cm
Height = 3 cm
Width = 2cm
we have
the Surface Area SA=2lw+2lh+2hw=2×4×2+2×4×3+2×3×2=52cm²
its
C. 52cm squared
Need help on number 3! Ik the answer for number 4 only 3!!!
Find the area of the triangle. 7 in. 18 in. The area is square inches.
find the means 01023 234
Answer:
This is not really clear, I will assume that the values in the question are:
{0, 1, 0, 2, 3, 2, 3, 4}
For a set of N elements, {x₁, x₂, ..., xₙ}
The mean of the set is given by:
[tex]Mean = \frac{x_1 + x_2 + ... + x_n}{N}[/tex]
In the case of our set, {0, 1, 0, 2, 3, 2, 3, 4}, we have 8 values.
Then the mean of our set is:
[tex]Mean = \frac{0 + 1 + 0 + 2+ 3 + 2 + 3 + 4}{8} = \frac{15}{8} = 1.875[/tex]
In a lottery, the top cash prize was $615 million, going to three lucky winners. Players pick four different numbers from 1 to 59 and one number from 1 to 49 . A player wins a minimum award of $225 by correctly matching three numbers drawn from the white balls (1 through 59 ) and matching the number on the gold ball (1 through 49 ). What is the probability of winning the minimum award?
Answer:
10063571 out of 593750689 or 1.69491525424%
Step-by-step explanation:
To find probability when all variables are known, you can just multiply the numbers you need. In this case we multiply 59 * 59 * 59 *49 since these are the balls we are picking from. We can find the chance of the top prize by multiplying all the numbers. 59 * 59 * 59 * 59 * 49
Can someone help me with this question please
9514 1404 393
Answer:
linear
Step-by-step explanation:
We notice that adjacent x-values all differ by 1.
Similarly, we notice that all y-values differ by 0.5. When differences are constant, the function is linear.
The tree diagram below illustrates the possible outcomes of three tosses of a balanced coin. What is the probability that “heads” will come up exactly two out of three times
please explain step by step
3/8 = 0.375 = 37.5%
====================================================
Explanation:
Start at the very left hand side of the diagram. Also, start at the top as well. So you'll start at "heads". Trace along the top most path and you'll get "heads, heads, heads". This says we got 3 heads in a row. But we want a case where heads only comes up exactly twice. So we rule out this scenario.
Go back to the first "heads". Now trace along the top, but don't land on that third "heads". Instead, go to the "tails" that is underneath in that last column. So you'll have "heads, heads, tails". This time we got exactly two heads out of three tosses. Off to the side somewhere, make a tally of how many times this scenario happens. Another time it happens is when we get "heads, tails, heads". Another time is when you get "tails, heads, heads".
There are only three situations where we get exactly two heads out of three tosses. This is equivalent to the event "getting exactly one tail", so that might be an easier scenario to track down.
If you traced out all of the possible paths, you would find that there are 8 different paths. Note how 2^3 = 2*2*2 = 8 is a numerical way to compute this, due to the fact that each coin toss has 2 outcomes and we have three tosses total.
Since we have three outcomes where we got exactly two heads, out of 8 outcomes total, this leads to the answer being 3/8
Side note: 3/8 = 0.375 = 37.5%
----------------------
We could also solve this problem by listing out all the possible scenarios. I'll use H for heads and T for tails. Something like HHT means we got heads twice in a row, then tails later. The order matters.
Listed below are the 8 possible outcomes. The items in bold represent situations where we get exactly two heads, which is the same as getting exactly one tail.
HHHHHTHTHHTTTHHTHTTTHTTTThe order of each of those eight items is the same as the order if you were to trace out the possible paths of the table given (starting at the top and moving down). We can see that there are 3 cases where we get exactly two 'H's out of 8 possible outcomes total. So that's another way to arrive at 3/8
The value of Acme Stock decreased a total of $40 over the last 5 days. What integer represents the average decrease in stock value each day?
Answer:
rewrwefe
Step-by-step explanation:
FFewF
what is 3/4 x 7?????
Answer:
The answer is 5 1/4
It’s simple if you need more help just ask
Help 15 points for the answer
Answer:
3x² + 7x + 6
Step-by-step explanation:
Big Rectangle:
A = bh
A = (x + 3)(x + 2)
A = x² + 2x + 3x + 6
A = x² + 5x + 6
Small rectangle:
A = bh
A = (x + 1)(2x)
A = 2x² + 2x
Combined:
x² + 5x + 6 + 2x² + 2x
3x² + 7x + 6
hii please help i’ll give brainliest!!
Answer:
the answer is c
Step-by-step explanation:
plato users
plz help what is the slope of this line shown?
Answer:
slope= -3
Step-by-step explanation:
i hope this helps :)
2
EXERCISE 6.4
Challenge
Use the given rules to complete the following tables.
1
2
3
4
12
Position in sequencen
Term in sequence y = 2n + 3
the position in the
Imagine that you
work for 30 days.
Which of the
following two salar
would you rather
earn? Explain your
choice.
2.
1
2
3
4
15
10
Position in sequencen
Term in sequence y = -2n - 4
3.
2
Position in sequencen
3
18
4
10
Term in sequence y = -5n - 4
1
2
3
4
11
Position in sequencen
Term in sequence y = -2n - 14
10c on the first
20c on the seca
day; 40c on the
third day; 800
the fourth day
so on, for 30 C
R100 on the f
day; R101 on
second day;
on the third
and so on, fa
days.
.
10
5.
1
2
3
4
10
Position in sequencen
Term in sequence y = n+1
6.
2
1
20
3
4
Position in sequences
Term in sequence y = 2r2
Answer:
Unit 9 Answer Key.pdf
Step-by-step explanation:
Search that up and you'll see all the answers
Please give me Brainliest and like and rate please hope this helps BYE!
Someone answer this please
Answer:
-23/6=y
Step-by-step explanation:
3x-6y=11
3*-4-6y=11
-12-6y=11
y=-23/6
17.39 divided by 4.7
Answer:
3.7 is the right answer
Step-by-step explanation:
Answer:
3.7
Step-by-step explanation:
How can we use the zero product property to determine the solutions (roots/zeros/x-intercepts) of a quadratic equation??
Help pls no links or I’ll report
Answer:
A) 6x - 3 + 8x
B) 14x - 3
E) 2 (3x - 2) + 8x + 1
Option 1, 2, and 5 are the correct answers.