Mathematics High School

Could someone help me with this? ​

Could Someone Help Me With This?

Answers

Answer 1

Answer:

120 + -40(3) = 0

Step-by-step explanation:

3(40) = 120

120 + -40(3) = 0

Related Questions

find the slope of the line passing through points (-6,3) and (2,5)

Answers

Answer:

1/4

Step-by-step explanation:

Slope = (5-3)/(2-(-6))

= 2/8

= 1/4

What’s the slope of the line?

Answers

Answer: 2

Step-by-step explanation:

[tex]\frac{rise}{run} = \frac{2}{1}[/tex]

A pig farmer needs 60 square feet to house a sow. The pen is 6.4 ft by 10.5 ft. Will it be large enough? Explain your reasoning

Answers

Answer:

Yes!

Step-by-step explanation:

To find the area, multiply the sides.

6.4x10.5+67.2

Then subtract

67.2-60=7.2

There is still 7.2 ft² after the sow.

Yes! 6.4 ft by 10.5 ft. Will  be large enough

What is Area of Rectangle?

The area of Rectangle is length times of width.

Given,

A pig farmer needs 60 square feet to house a sow.

The pen is 6.4 ft by 10.5 ft.

We need to find the area we get by 6.4 ft and 10.5 ft.

The area of rectangle=Length×Breadth

6.4x10.5

67.2

67.2 is more than 60 which the farmer expected

Then subtract

67.2-60=7.2

There is still 7.2 ft² after the sow

Hence, Yes the pen is 6.4 ft by 10.5 ft is large enough.

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divide nine by three, then subtract two double the results

Answers

Answer:

2

Step-by-step explanation:

hope this helps

Answer:

-3

Step-by-step explanation:

because nine divided by 3 is 3 then subtract 3 which is 0 then subtract 3 again which is -3

Evaluate: 7.921 x 104.
79,210,000
7,921
792.1
79,210

Answers

Answer:

72,910

Step-by-step explanation:

7.291 x 10^4

10^4 means to move the decimal places four times.

7.921 = 79.210 = 792.10 = 7921.0 = 79,210

Joe is traveling from one city to another. He is looking at a map and realizes that 4 cm represents 25 miles.He then used a ruler to measure the distance on the map between two cities that he is traveling. The distance between them is 160 cm. How far, in miles are the two cities apart?

Answers

Answer:

The two cities are 1,000 miles apart

Step-by-step explanation:

The key to solving this is in the scale given:

4cm represents 25 miles

4cm = 25 miles

∴ 1 cm = 25 ÷ 4 = 6.25 miles

Measured distance on map = 160cm

1 cm = 6.25 miles

∴ 160 cm = 160 × 6.25 = 1000 miles

∴ The two cities are 1,000 miles apart

hr
Solve for x. Write both solutions, separated by a
comma.
2x2 - x - 10 = 0
Enter the correct answer.

Answers

X is equivalent to 7
x is indeed equivalent to 7

Which one weighs more? (2 points)
6. Which one weighs more: a pumpkin that weighs 6 kilograms
or a turkey that weighs 15 pounds? Explain your reasoning. Note:
1 pound equals about 0.45 kilograms.
Explain how you know. (2 points)

Answers

Answer:

The turkey weighs more

Step-by-step explanation:

15 x .45 = 6.75

6.75 > 6

Rewrite the following in
decimal form:
356 thousandths

Answers

Answer :
0.356

Solving steps:




HELP PLEASE I NEED THE ANWSER NOOOOOOW

Answers

Answer:

4

Hope this helps

Find the equation of the line

Answers

Answer:

y = 2x - 7

Step-by-step explanation:

The question is asking for slope-intercept form, y = mx + a.

Given:

(1, -5) and (9, 11)

Find the slope (m) between the two points:

m = (y2 - y1) / (x2 - x1)

x1 = 1

x2 = 9

y1 = -5

y2 = 11

m = ( 11 - (-5) )/(9 - 1)

= 16/8

m = 2

y = 2x + a

Use one of the two points to find a (I will use (1, -5)):

-5 = 2(1) + a

-5 = 2 + a

-7 = a

a = -7

y = 2x + (-7)

y = 2x - 7

Does the graph represent an exponential growth
or an exponential decay function?

Answers

there’s no graph......

Answer:

Ummmm... I'm sorry but there is no graph or equation, so I can't answer this question with them...

Samantha invested $660 into an account that paid 3.5% interest compounded annually. Samantha did not make any additional deposits or withdrawals. What is the total amount of interest paid by this investment at the end of 5 years?

Answers

115.5. Multiply all those number together to get your answer.
Hope I helped!

115.5  is the total amount of interest paid by this investment at the end of 5 years

What is Percentage?

percentage, a relative value indicating hundredth parts of any quantity.

Given,

Samantha invested $660 into an account that paid 3.5% interest compounded annually.

We need to find  total amount of interest paid by this investment at the end of 5 years

A=P(1+rt)

A is final amount

P is principal amount

r is rate of interest

t is time

A=?,P=660,r=3.5%=0.035, t=5

A=660(1+0.035(5))

=660(1+0.175)

=660(1.175)

A=775.5

To check the total amount of interest paid by this investment at the end of 5 years

We need to find difference between initial amount and final amount

775.5-660

115.5

Hence 115.5  is the total amount of interest paid by this investment at the end of 5 years

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It's going to be Lindsay's birthday soon, and her friends Mary, Jacqui, Tadeusz, Opal, and Tony have contributed equal amounts of money to buy her a present. They have $30.00 to spend between them. Write and solve an equation to determine how much they contributed.

This is due in 45 mins please Help!
Giving out 50 points

Answers

$30/5=6. Therefore, each person contributed 6 dollars

The equation to determine how each of them contributed is

x= 30/5 = $6.

What is Unitary Method?

The unitary technique involves first determining the value of a single unit, followed by the value of the necessary number of units.

For example, Let's say Ram spends 36 Rs. for a dozen (12) bananas.

12 bananas will set you back 36 Rs. 1 banana costs 36 x 12 = 3 Rupees.

As a result, one banana costs three rupees. Let's say we need to calculate the price of 15 bananas.

This may be done as follows: 15 bananas cost 3 rupees each; 15 units cost 45 rupees.

We have,

They have $30.00 to spend between them.

let $x be the amount each contributed.

So, the equation to determine how each of them contributed

x = 30/ 5

x= $6.

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Mai made $112 for 8 hours of work.
At the same rate, how many hours would she have to work to make $252?

Answers

Answer:

18 hours

Step-by-step explanation:

Answer:

The correct answer would be 18 hours

Step-by-step explanation:

18 is correct because if you do $112 divided by 8 hours to get the unit rate of 14 dollars every hour, then do $252 divided by 14 which is the unit rate to equal 18 hours of work.

HAVE A GOOD DAY!

Use Law of Cosines to solve for the missing side of the triangle:

Answers

Answer: where is the picture?

Step-by-step explanation: I'll answer if it is easy for me

Can someone help with these two questions

Answers

Answer:

1. A

2. I cant see answer D

But if it's 36

IT'S CORRECT

martymade 10 kg of dough after working 5 hours. how much dough did her make if he worked 7 hours?

Answers

Answer:

14 kg

Step-by-step explanation:

3600 stitches in 3 minutes
QUICK PLEASE

Answers

Answer:

1200

Step-by-step explanation:

Answer:

1,200 stitches a minute

Step-by-step explanation:

Hope this helps!!

Please help

Solve for x.

Answers

Answer:

x = 17

Step-by-step explanation:

Since 2 sides of the triangle are congruent then it is isosceles, so

The 2 base angles are congruent, both 29°, thus

11x - 65 = 180 - (29 + 29) = 180 - 58 = 122 ( add 65 to both sides )

11x = 187 ( divide both sides by 11 )

x = 17

Yuma needs a singer. Singer A is offering her services for an initial $75 in addition to $35 per hour. Singer B is offering his services for an initial $150 in addition to $20 per hour. When will the two singers charge the same amount of money? The two singers will charge the same amount of money after hours.

Answers

Answer:

5 hours

Step-by-step explantioon:

35x+75=20x+150

15x+75=150

15x=75

x=5

Write the equation of a line that passes through (-5, 3) and has a slope of -2 in slope intercept form.

Answers

Answer:

y = -2x -7

Also:

Plz mark brainliest if this helped :)

Jamisha is solving the equation 4 ( x − 2 ) = 34 for x . Her work is shown in the table.

Answers

Answer:

Step-by-step explanation:

4x -8 = 34

4x = 42

x = 42/4 = 21/2 = 10.5

what is 5% of 345,000​

Answers

Answer:

17,250

Step-by-step explanation:

What is sin 45°?
A. 1/√2
B. √3
c. 1
D. 1/√3
E. 1/2
F. √3/2​

Answers

Answer:

A. 1/√2

Step-by-step explanation:

I just took the test.

Good luck mate!

The value of Sin 45° is 1/√2

What are trigonometric functions?

In mathematics, trigonometric functions are real functions that relate an angle of a right-angled triangle to ratios of two side lengths. The six trigonometric functions are Sine, Cosine, Tangent, Secant, Cosecant, and Cotangent.

Given here Sin 45° and Sin 45 degrees is the value of sine trigonometric function for an angle equal to 45 degrees. The value of sin 45° is 1/√2 or 0.7071 (approx).

Hence, the value of Sin 45° is 1/√2

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A rectangle has a length of 6 cm and an area of 18 cm square what is the width of the rectangle

Answers

Answer:

3

Step-by-step explanation:

Tom has a can of paint that covers 37 1/2 m² each board on the fence has a area of 3/16 m² how many boards can he paint.

Answers

Step-by-step explanation:

37 and 1/2 divided by 3/16 =

75/2 divided by 3/16 =

75/2 * 16/3 =

25*8 = 200 <--- 75 cancels 3; 16 cancels 2

Albert bought 9 pounds of fish at a grocery store at $5 per pound for salmon and $3 per pound for catfish. He spent a total of $37 on the salmon and catfish. This can be represented using the following system of equations:5s +3c = 37 s + c = 9 How many pounds of salmon did Albert purchase?

Answers

Answer:

5 pounds

Step-by-step explanation:

To find that we simply solve the system of equationsSo make c the subject of the formula of equation 2[tex]s+c=9\\c=9-s[/tex] Substitute in equation 1 [tex]5s+3c=37\\5s+3(9-s)=37\\5s+27-3s=37\\5s-3s+27-(27)=37-(27)\\2s=10\\s=5[/tex] so that's 5 pounds of salmon

Brandon was trying to buy a new gaming console that costs $500. If he 17 poi
is charged 7% sales tax, how much money will he need altogether?

Answers

Answer:

Step-by-step explanation:$500 X 0.07 equals $35.00

Add $500 + $35 = $535

100 points if answered right
Which equation can be used to find 40 percent of 25? Start Fraction 25 divided by 1 Over 40 divided by 1 End Fraction = Start Fraction 25 Over 40 End Fraction Start Fraction 100 times 4 Over 40 times 4 End Fraction = Start Fraction 400 Over 16 End Fraction Start Fraction 40 times 4 Over 25 times 4 End Fraction = Start Fraction 160 Over 100 End Fraction Start Fraction 40 divided by 4 Over 100 divided by 4 End Fraction = Start Fraction 10 Over 25 End Fraction

Answers

Answer:

a

Step-by-step explanation:

Answer:

The answers that I got that were correct are: B, C, and E

Explanation:

The answer for this problem is 10 when you try to Find the percentage of one number in relation to another with the formula Percentage = (number you want to find the percentage for ÷ total) × 100. Move the decimal point two places to the right to convert from a decimal to a percentage, and two places to the left to convert from a percentage to a decimal.

Brainlist Please!

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