Please help need this answer

Please Help Need This Answer

Answers

Answer 1

Answer:

Step-by-step explanation:

The next (best) step is to divide everything by a.

D is not correct because only bx is divided by a. You cannot neglect to divide -c by a

B will eventually be done in some form but it is much easier to deal with division by a. The way b is done is not correct.

A is completely wrong. It's far to soon to be dealing with square roots.


Related Questions

square root of 10 with work

Answers

√10 = 3.16227766017

10√= √2×5
10√=√2√5
√2=1.414
√5=2.236

How do box plots work?

Answers

A box and whisker plot also called a box plot displays the five-number summary of a set of data. In a box plot, we draw a box from the first quartile to the third quartile. A vertical line goes through the box at the median. The whiskers go from each quartile to the minimum or maximum.

Answer:

A box and whisker plot—also called a box plot—displays the five-number summary of a set of data. ... In a box plot, we draw a box from the first quartile to the third quartile. A vertical line goes through the box at the median. The whiskers go from each quartile to the minimum or maximum.

Write an expression for the area of the rectangle below.

Answers

Rectangle area = length × width

Rectangle area = ( 7x - 2 )( 3x + 4 )

Rectangle area = 21x^2 + 22x - 8

Thus the correct answer is option D .

I am stuck. Please help.

Answers

Answer:

the first one: 24.8

the second one: 2012

24.8.

2012

hope this helped!!

Determine is the point (9,5) is the solution to the system of inequalities below.

Answers

Answer:

9>5

Step-by-step explanation:

9 comes further in counting than 5

=9=nine=greater than five=5=five

Find the sum or type
"impossible”
[1 -2 1] + [4 -5 -6] ]
[[?]
[ ]]

Answers

Answer:

27

Step-by-step explanation:

looked on photomath

The above diagram shows 4 island countries in the Marina Ocean. Each inch on the map represents a distance of 750 miles. The capital of each island country is marked with a star.

If a pilot takes off from the capital of Orange Island and flies to the capital of Red Island, how far has he flown?
A.
5,500 miles
B.
1,500 miles
C.
3,000 miles
D.
4,500 miles

Answers

Answer:

c because each island is 750 and if you x's 4 x750 it gives you 3,000 which is c

Answer:

C.

3,000 miles

Step-by-step explanation:

pls, tell me if wrong have a good night/day <3

man can so help me wit this ixk and give the real answer ill give u 80 point plz

Answers

Answer:

136

Step-by-step explanation:

Answer:

136

step by step explanation

David wants to buy 2 pineapples and some bananas. The price of 1 pineapple is $2.99. The price of bananas is $0.67 per pound. David wants to spend less than $10. Draw a graph to represent this inequality. Choose the answer choice that best describes the graph that represents the number of pounds of bananas David can buy.

A. a closed circle on 6, shaded to the left

B. a closed circle on 6, shaded to the right

C. an open circle on 6, shaded to the right

D. an open circle on 6, shaded to the left

Answers

Answer:

10 ≥ 2(2.99) + 0.67b  

10 ≥ 5.98 + 0.67b

4.02 ≥ 0.67b

6 ≥ b

David can buy 6 pounds of bananas at most.

Step-by-step explanation:

Its A OR B

make me brainest please

A special truck cleans the surface of the ice rink shown below. The figure is composed of a square and two semicircles. If the truck cleans the entire surface how many square meters of ice will the truck clean? Use 3.14 for pi. Round your answer to the nearest tenth.

Answers

24Answer:

Step-by-step explanation:

Solve for y! I need help ASAP. PLEASE

Answers

Answer:

y = 2

Step-by-step explanation:

The way you solve this is you transform it until one side of the equation is just "y"

3y + 2 = 8   ;    subtract 2 from both sides

3y = 6   ;     divide both sides by 3

y = 2

pls help, simple, and not that hard

Answers

Answer: A) None of the above

==================================================

Explanation:

Let's solve (x-2)(x-5) = 0 and doing so leads to x = 2 or x = 5. Plugging either value in for x makes the expression (x-2)(x-5) become 0.

Let's pick a value to the left of x = 2, let's say we pick x = 0. Plug this into the expression (x-2)(x-5) and we get the following:

(x-2)(x-5)

(0-2)(0-5)

(-2)(-5)

10

The result is a positive number, meaning that (x-2)(x-5) is positive when we select a value smaller than 2.

Now we'll repeat this with a value between 2 and 5. Let's say we pick on x = 3.

So,

(x-2)(x-5)

(3-2)(3-5)

(1)(-2)

-2

The result is negative, so (x-2)(x-5) is negative when 2 < x < 5. This immediately rules out choices C and E.

Unfortunately, answer choices B and D won't work either for similar reasoning. The only thing left is choice A.

Side note: The answer in interval notation is [tex](-\infty, 2] \cup [5, \infty)[/tex] so basically it's everything but values between 2 and 5; however, x = 2 and x = 5 are part of the solution set.

Another side note: if you flip the inequality sign from [tex]\ge[/tex] to [tex]\le[/tex], then the answer would be choice C.

Which of the following is NOT a solution of the equation represented by the graph?
A. (0, 2)
B. (1, 0)
C. (3, –4)
D. (4, –1)

Answers

D. (4,-1) is not a solution

HELPP REAL ANSWERS ONLY, NO LINKS!!!!!!!!! Provide explanation for brainliest optional though. HURRY!!!!!!!

Answers

Answer:

25

Step-by-step explanation:

Okay we know the length is 5 inches if this is a square then the width is 5 inches as well. This is because 5 x 5 = 25

Answer:

equal the 4 sides

Step-by-step explanation:

TAKE HOME
1. Find the angle between the vectors:
i-23 + 5k and 3i+j - 2k

Answers

Answer:

The angle between the two vectors

∝ = 64°

Step-by-step explanation:

Step(i):-

Given that the vectors

                           [tex]a^{-} = i^{-} - 2j^{-} +5k^{-}[/tex]

          and

                         [tex]b^{-} = 3i^{-} +j^{-} -2k^{-}[/tex]

[tex](a^{-} . b^{-} ) = (i^{-} - 2j^{-} +5k^{-} ) . (3 i^{-} + j^{-} - 2k^{-} )[/tex]

           =  3 (i⁻ . i⁻) - 2(j⁻.j⁻) -10(k⁻.k⁻)

          = 3 - 2 -10

          = -9

Step(ii):-

Let '∝' be the angle between the two vectors

                    [tex]cos\alpha = \frac{a^{-}.b^{-} }{|a||b|}[/tex]

                  [tex]cos\alpha = \frac{|-9| }{\sqrt{1+4+25}\sqrt{9+1+4} }[/tex]

                 [tex]cos\alpha = \frac{|-9| }{\sqrt{30}\sqrt{14} }[/tex]

               [tex]\alpha =cos^{-1} ( \frac{|-9| }{\sqrt{30}\sqrt{14} })[/tex]

              ∝ = cos⁻¹(0.4392) = 63.947

Final answer:-

The angle between the two vectors

               ∝ = cos⁻¹(0.4392) = 63.947

                ∝ = 64°

For Tammy's wedding she wants to
purchase $80 flower centerpieces to put on
tables. The flower shop will also charge her
$35 for delivering the centerpieces. If Tammy
has a budget of $1000 to decorate the tables,
how many centerpieces can she buy?

Answers

Answer:

She can only buy 12 centerpieces.

Step-by-step explanation:

To solve this question, we must first create an expression. We know that the total would be $1000. The delivery is included in that budget and it is a constant. EACH centerpiece is $80. From that information, you can build an expression.

80c + 35 = 1000

-------------------------------------

Next, you will need to solve for c, or any variable you choose. If you solve it, you will be left with:

c= 12.06

--------------------------------------

Since you cannot buy a fraction of a centerpiece, this concludes that the answer would be 12.

Good Luck!!

Brainliest?

4) Margaret owns 56of a section of land. She planted corn on 14of her land. What fraction of the entire section is planted with Margaret’s corn? a) 524 b) 624 c) 310 d) 103

Answers

Answer: (a) [tex]\dfrac{5}{24}[/tex]

Step-by-step explanation:

Given: Fraction of section of land = [tex]\dfrac{5}{6}[/tex]

Fraction of corn planted on land = [tex]\dfrac14[/tex]

The fraction of the entire section is planted with Margaret’s corn =

[tex]\dfrac{5}{6}\times\dfrac{1}{4}\\=\dfrac{5}{24}[/tex]

The correct option is (a).

The fraction of the entire section is planted with Margaret’s corn = [tex]\dfrac{5}{24}[/tex]

I uploaded the files.

Answers

Answer:

Part 1

a) the least amount of stickers is 20

b) the most stickers you can use is 22

Step-by-step explanation:

Working on part 2

Can I have some help please.

Answers

Answer:

with?

Step-by-step explanation:

...............................................

i need help plz giving brainlist

Answers

Answer:

625

Step-by-step explanation:

it is essentially 5*5*5*5

A rectangle has a length of 5 cm and a
width of 4 cm. Every dimension is
tripled to form a second rectangle.
What is the ratio of the areas of the two
rectangles?

Answers

Answer:

1:9

Step-by-step explanation:

First Rectangle:

width x height = area

4 * 5 = 20

Second Rectangle:

(4*3)*(5*3)=x

12 * 15 = 180

Ratio:

180/20 = 90

1:9

Answer:

1:9 or 1/9

Step-by-step explanation:

if a rectangle is 5cm × 4cm

Area of rectangle= length ×width

= 5 × 4

=20cm²

if we triple dimensions of a rectangle we get the second rectangle

therefore, (5×3)cm × (4×3)cm

Area of second rectangle= 12 ×15

=180cm²

ratio is 20/180= 1/9 (Ans.)

find the equation of the straight line passing through P -2,1and parallel to the line with equation 2x - 3y=1​

Answers

Answer:

[tex]y=\frac{2}{3} x+\frac{7}{3}[/tex]

Step-by-step explanation:

Parallel lines have the same slope. Therefore, the line we're trying to find the equation for and the given line 2x-3y=1​ must have the same slope.

1) Find the slope of 2x-3y=1​

To do this, rewrite this equation in slope-intercept form: [tex]y=mx+b[/tex] where [tex]m[/tex] is the slope and [tex]b[/tex] is the y-intercept (the value of y when the line crosses the y-axis)

[tex]2x-3y=1[/tex]

Subtract 2x from both sides

[tex]2x-3y-2x=1-2x\\-3y=-2x+1[/tex]

Divide both sides by -3 to isolate y

[tex]\frac{-3y}{-3}=\frac{-2}{-3}x+(\frac{1}{-3} )\\y=\frac{2}{3}x-\frac{1}{3}[/tex]

Now, we can easily identify that [tex]\frac{2}{3}[/tex] is in the position of m, the slope. Plug this into [tex]y=mx+b[/tex]:

[tex]y=\frac{2}{3} x+b[/tex]

2) Find the y-intercept

[tex]y=\frac{2}{3} x+b[/tex]

To find the y-intercept, plug the given point P(-2,1) into the equation and solve for b

[tex]1=\frac{2}{3} (-2)+b\\1=\frac{-4}{3}+b[/tex]

Add [tex]\frac{4}{3}[/tex] to both sides of the equation

[tex]1+\frac{4}{3}= \frac{-4}{3} +b+\frac{4}{3} \\\frac{3}{3} +\frac{4}{3}= b\\\frac{7}{3}[/tex]

Therefore, the y-intercept of the line is [tex]\frac{7}{3}[/tex]. Plug this into our original equation:

[tex]y=\frac{2}{3} x+b\\y=\frac{2}{3} x+\frac{7}{3}[/tex]

I hope this helps!

At a large university, 15% of students are left-handed. A psychology professor selects a random sample of 10 students and records L = the number of left-handed students in the sample.
Describe the assignment of digits to the outcomes being left-handed and being right-handed:
left-handed = 1–15, right-handed = 16–100
left-handed = 1–5, right-handed = 6–0
left-handed = evens, right-handed = odds
left-handed = 00–14, right-handed = 15–99

Answers

Answer:

D. left-handed = 00–14, right-handed = 15–99

Step-by-step explanation:

Got it right on edge 2021

Oil leaks out of a tanker at a rate of r=f(t) liters per minute, where t is in minutes. If f(t)=Ae^(−kt), write a definite integral expressing the total quantity of oil which leaks out of the tanker in the first hour.

Answers

Answer:

The definite integral expressing the total quantity of oil, 'V', which leaks out of the tanker in the first hour is given as follows;

[tex]V = \int\limits^{60}_0 {A \cdot e^{(-k \cdot t)}} \, dt[/tex]

Step-by-step explanation:

From the question, we have;

The rate at which oil leaks out of the tanker, r = f(t)

The unit of the oil leak = Liters per minute

The unit of t = Minutes

[tex]If \ f(t) = A \cdot e^{(-k \cdot t )}[/tex]

Therefore, we have;

The definite integral expressing the total quantity, 'V', of oil which leaks out of the tanker in the first hour is given as follows;

[tex]V = \int\limits^{60}_0 {A \cdot e^{(-k \cdot t)}} \, dt[/tex]

Therefore, we have;

[tex]\int\limits^{60}_0 {A \cdot e^{(-k \cdot t)}} \, dt = \dfrac{A \cdot e ^{60 \cdot k} - A}{k \cdot e ^{60 \cdot k} }[/tex]

What is the other shape in the composite figure besides the rectangular prism?
triangular pyramid
square pyramid
triangular prism
cube

Answers

Answer:

cube

Step-by-step explanation:

The shape in the middle of the two rectangular prism would be a cube. This is the case since the angle at the base of the rectanglular prism forms a 90-degree angle. This indicates that the line is a straight line and would also form a 90-degree angle with the bottom angles as well. This would ultimately indicate that it forms a square, and since the shape is a 3-Dimensional shape it would be classified as a cube in this image.

Answer:

Triangular Prism

Step-by-step explanation:

The middle shape is a rectangular prism.

The top and bottom is a Triangular Prism.

Irma deposited $90 in a savings account earning 5% interest, compounded annually.
To the nearest cent, how much interest will she earn in 3 years?

Answers

Answer:

6.76

Step-by-step explanation:

Go to quizlet.

Which of the following ratios is used in finding the tangent of an angle in a right triangle?

A.
hypotenuse/opposite leg
B.
opposite leg/hypotenuse
C.
opposite leg/adjacent leg
D.
adjacent leg/hypotenuse



Please select the best answer from the choices provided


A
B
C
D

Answers

Answer:

B

Step-by-step explanation:

I did the same exact question and I got it right.

what is the measure of angel R ? pls i need help​

Answers

Answer:

40

Step-by-step explanation:

(120 - 40)/2 = 80/2 = 40

Question and answer choices in screenshot (i think I've asked a similar question that had the same situation and character before but it wants to know something different)... DONT USE LINKS OR BLANK ANSWERS!

!!THIS IS NEEDED FOR A QUIZ TODAY!!

Answers

Answer:

The answer would be D.

Step-by-step explanation:

The answers is not C because your not adding, the answer is not A because its backwards And the answers is not B because it has the d on 24 but she didn't drink 24 drinks she only drank two so the answer would be D.

Reflection in the Y axis (geometry)

Answers

so a trick for things like these is let’s start with the axis that’s being reflected, it’s the Y. so something I learned is that for example look at point E, E is 1 away from the y axis. so to reflect it you go one away on the other side.

Answer: E(1,0) D(5,-2) G(5,-3) F(2,-5)
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