Mathematics High School

I NEED HELP WILL MARK BRAINLIEST

I NEED HELP WILL MARK BRAINLIEST

Answers

Answer 1

Answer:

4.5 units

Step-by-step explanation:

Related Questions

please answer and show step. ​

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Answer:

i believe the answer is 25.

Step-by-step explanation:

this is because if a=how much money deposited after  t= depositing weekly and 16 is being multiplied by t. that leads me to believe she deposits $16 weekly. therefore, her original deposit was $25.

tell me if this is incorrect.

Answer:

25

Step-by-step explanation:

In this equation, the original deposit was 25 dollars. The equation shows how much total money was in the account every week. It is written in slope-intercept form, which is y=mx+b, where m is the slope (how much the account is increasing each week) and b is the y-intercept (what was in the account after 0 weeks). This means 25 dollars must be the initial deposit because it is the total before any new weekly deposits.

Ms. Murray has a collection of 25 dimes and nickels. How many nickels does Ms. Murray have if she has a total of $2.30?

Answers

four nickels,
because 1 dime=10¢ and so 21 x .10 = 2.10 and 1 nickel=5¢ so .05 x 4 = .20

2.10 + .20 = 2.30

I’m not sure if the explaining made sense but it’s 4 nickels :)

just need help with the way. thanks!

Answers

Answer:

KN ≈ 20.7 cm

Step-by-step explanation:

Using Pythagoras' identity in right triangle KLM to find KM

LM² = KL² + KM²

28² = 16² + KM²

784 = 256 + KM² ( subtract 256 from both sides )

528 = KM² ( take the square root of both sides )

[tex]\sqrt{528}[/tex] = KM

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

Using the sine ratio in right triangle KMN

sin64° = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{KN}{KM}[/tex] = [tex]\frac{KN}{\sqrt{528} }[/tex] ( multiply both sides by [tex]\sqrt{528}[/tex]

[tex]\sqrt{528}[/tex] × sin64° = KN , that is

KN ≈ 20.7 cm ( to 1 dec. place )

In circle A, ∠BAE ≅ ∠DAE.

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Answer: the length of BE is 27

PLEASE HELP ME WITH THIS !!

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3x3.5=10.5ft since 1 cm=3.5ft, and the car is 3cm
D) 10.5ft should be the correct answer

Find the slope of the line
y = -5x + 5

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Answer:

-5

Step-by-step explanation:

this is a y = mx + b equation. m is slope.

Answer:

-5

Step-by-step explanation:

When a linear function is in the form y=mx+b then m represents the slope of the line.

Need help with geometry HW.

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Answer MKL = 45

Step-by-step explanation: 51.5+38.5=90

Then divid 90 by 2 and you get 45

pls help i only have 10 minutes on my math test!!
the ratios are


8:5 ?????:10

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Answer:

yes

Step-by-step explanation:

Answer: 16:10 i think

Find the value of x.

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Answer:

45 degrees

Step-by-step explanation:

Before we start, it is important to know that the sum of all angles of a triangle adds up to 180. Since one of the angle measure is already given to us, 90, we can subtract this from 180.

180-90=90

This tells us that the two remaining angles will add together to equal 90. In addition, it also tells us that the two remaining angles are equal. This means we can divide 90 by 2, and it leaves us that x= 45 degrees.

the angles inside a triangle = 180°.

You can see that this is a right triangle so one of the angles equals 90°. 180-90= 90°.

Now we can see the remaining two angles add up to 2x. So if we put all our work together 2x= 45°.
Divide both sides by 2 to get x alone

And we come to that x equals 22.5.

x= 22.5°

Daniel had a social studies quiz. He answered eighty-seven out of 100 exercises correctly. Choose the decimal that shows the part of the quiz that Daniel answered correctly.

Answers

Answer:

0.87

Step-by-step explanation:

Out of a total number of 100 questions, Daniel is said to have answered 87.

We first express this as a fraction.

Total number of questions he answered divided by total number of quiz questions

= 87/100

As a decimal, 87 divided by 100 = 0.87.

You can easily get this by using the calculator.

Thank you!

Answer:

Step-by-step explanation:

0.87 because 87+0=87

The slope of the minute hand on an analog clock is given by the expression cot(π/30 t), where t is time in minutes. Which of the following best represents the first time when the slope is 0.5?

-9.7 min.
-10.0 min.
-10.3 min.
-10.6 min.

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Answer:

10.6 minutes.........

10. Find the vertex, domain and range from the function y = = 2|x|
a V(2,0), Domain: x E R, Range: y E (00, 2]
b V(0,2), Domain: x E R, Range: y € [2,00)
C V(0,0), Domain: x E R, Range: y € (0,0]
d V(0,0), Domain: x E R, Range: y € [0, 0)
Check it
skip

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The answer would be a-v(2,0),domain: x E R, Range: y E (00,2]

.A radio station sends a signal in a circular
area with an 80-mile radius. Find the
approximate area in square kilometers that
receives the signal. (Hint: 1 square mile z
2.6 square kilometers)

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Answer:

52,249.6

Step-by-step explanation:

The amount of money earned on a job is directly proportional to the
number of hours worked. If $70,00 is earned in 5 hours, how much money
is earned in 22 hours of work?

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Answer:

$308 is the correct answer. Please refer to the attachment. If not able to understand then please let me know, I will resend it wih proper explanation. Hope it helps you. Thanks.

i fr need help please find x ​

Answers

Answer:

14

Step-by-step explanation:

below is 12+2 which is the same size as the top one

Dan buys a car for £1700.
It depreciates at a rate of 4% per year.
How much will it be worth in 4 years?
Give your answer to the nearest penny where appropriate

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Answer: £2080.00 :)

hope it helps

Complete the Area Model by dragging the response to the correct location/

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Answer:

x2, 6x, 4x2

Step-by-step explanation:

Answer: x2 , 6x , 4x , 24 .

Step-by-step explanation: i got it wrong but it did tell me the correct answer !

what is 4/9 in the simplest form?

Answers

Answer:

it already is in simplest form

Step-by-step explanation:

4/9 is the simplest form. There is no way to simplify it further.

If this is incorrect, please, don't refrain to tell me. Thank you.

am i right ? i just need clarification

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Answer:

yes!!

Step-by-step explanation:

Ellie earns money by raking leaves. She earns $2.25 for each bag she fills with leaves. This week, she earns $24,75. How many bags of leaves does Ellie fill this week? Show your work.

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Answer:

she raked 11 bags of leaves

Step-by-step explanation:

24.75 divided by 2.25= 11

0.2
y is inversely proportional to V1+x.
When x=8, y = 2.
Find y when x = 15.

Please help me with this real quick!

Answers

Answer:

y = 1.5

Step-by-step explanation:

Given y is inversely proportional to [tex]\sqrt{1+x}[/tex] , then the equation relating them is

y = [tex]\frac{k}{\sqrt{1+x} }[/tex] ← k is the constant of variation

To find k use the condition when x = 8, y = 2 , then

2 = [tex]\frac{k}{\sqrt{1+8} }[/tex] = [tex]\frac{k}{\sqrt{9} }[/tex] = [tex]\frac{k}{3}[/tex] ( multiply both sides by 3 )

6 = k

y = [tex]\frac{6}{\sqrt{1+x} }[/tex] ← equation of variation

When x = 15, then

y = [tex]\frac{6}{\sqrt{1+15} }[/tex] = [tex]\frac{6}{\sqrt{16} }[/tex] = [tex]\frac{6}{4}[/tex] = 1.5

8j + 3-j=17
solve for J

Answers

First you have to combine like terms which you would combine 8j and j which would be 7j+3=17 then subtract 3 from 17 giving you 14. And after that your left with 7j=14 then divide 7 on both sides giving you 2 as your answer.
Hiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii it’s 2

5. Find the slope of a line perpendicular to the graph of the given equation:
y = 2/7x + 1
-7/2
2/7
-2/7
7/2

Answers

Answer:

2/7

Step-by-step explanation:

Slope is the number in front of the x

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Answers

Answer is 16 because 16/4 = 4 + -12 = -8

Answer:

m=16

Step-by-step explanation:

-8=m/4+(-12)

4=m/4

16=m

so first, you add 12 to the other side to cancel out the -12. 12-8=4. so now you have 4=m/4. to isolate the m, you have to multiply by 4 on both sides, which gives you 16=m or m=16.

i hope this helps :)

Due in 5 minutes!!!!!!

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It is not clear at all

Answer:

Pls send a more clearer picture

Step-by-step explanation:

Find the surface area of a triangle prism side of the right triangular base measure 9 cm 12 cm and 15 cm the height Prism is 20 cm

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Answer:

I think its 20 cm

Step-by-step explanation:

SOMEONE PLS HELP WITH THIS!!!!!!!!

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Answer:

either 240 ft or 300 ft

Factor completely:
x^3 - x^2 - 6x

Answers

Answer:

[tex]x(x-3)(x+2)[/tex]

Step-by-step explanation:

1. Find the GCF (Greatest Common Factor)

[tex]GCF=x[/tex]

2. Factor out the GCF and simplify.

[tex]x(x^{2} -x-6)[/tex]

3. Factor [tex]x^{2} -x-6.[/tex]

Which two numbers add up to -1 and multiply to -6?

-3 and 2

Rewrite the expression using the numbers above.

[tex](x-3)(x+2)[/tex]

4. Done!

[tex]x(x-3)(x+2)[/tex]

HELP HELP ASAP PLEASE

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If I’m not wrong it would be y=2x+9
so the 3rd option

i need help i keel putting in the correct answer and it says it wrong

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Answer:

Hi how are you doing today Jasmine

Answer:

36cm^2

Step-by-step explanation:

12 x 4 = 48

9 * 4 =36

36/3 =12

48 - 12 = 36

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