Mathematics High School

PLZ HELP (05.01) "Sammy is trying to determine how many triangles she can create out of a square grid that has a side of 14 inches. Use the image below to determine the area Of the triangle and how many she can cut out."

Answers are on the picture

Answers

Answer 1

Answer:

Step-by-step explanation:

You first have to find the area of the square grid

To find this you multiply the sides

14 * 14 = 196

Next you have to find the area of the triangle

To find the area of a triangle you use the equation

h is height

b is base

Put in the values you know

Multiply

The area of the triangle is 49 inches squared

You divide the area of the triangle by the area of the square

196 / 49 = 4

The answer is 4 triangles

Related Questions

write a story problem that can be represented with the following equation:
7.5x + 15 = 30

Answers

Answer:

I went to a concert with my friends and every ticket costs $7.50 and I also had to pay a fee of $15.

NEED HELP ASAP ILL GIVE YOU BRAINLIST
A family just removed a big tree from their backyard. The diameter of the circular hole left behind is 7 feet across. Approximately how many square feet of grass will the family need if they want to cover the area where the tree once was?

A
22 ft²
B
39 ft²
C
44 ft²
D
154 ft²

Answers

The answer is c I hope this helps

The family needs to cover 39ft² area of grass.

What is Area of Circle?

The area of a circle is the amount of space enclosed within the boundary of a circle. The region within the boundary of the circle is the area occupied by the circle.

Here, Diameter = 7 ft.

Radius = 7/2 ft. = 3.5 ft.

The Area of Circle = πr²

A = 3.14 X (3.5)²

A = 3.14 X 3.5 X 3.5

A = 38.465 ft² ≈ 39 ft²

Thus, the family needs to cover 39ft² area of grass.

Learn more about Area of Circle from:

https://brainly.com/question/22964077

#SPJ2

If I spend 40$ on 5 pounds on concrete. What is the unit rate in dollars per pound

I need the answer and please explain how unit rate works cause I don't know lol

Answers

Answer:

8$/lb

Step-by-step explanation:

because 8 x 5 is 40 there for each pound would be 8$ if there are 5 pounds

The correct answer is $8 per pound

Ms. O'Rourke has graded 20% of her 150 students'
papers. How many papers does she still need to finish
grading?

Answers

Answer:

150−30=120 papers are still left to do

Step-by-step explanation:

150−30=120 papers are still left to do

Which graph represents the function?

f(x)=1x+1−2

IS MY ANSWER CORRECT???

Answers

Answer:yes

Step-by-step explanation:

Answer:

yes it is

Step-by-step explanation:

The perimeter of a rectangular backyard is 146 feet. It is 40 feet long. How wide is it?

Answers

9514 1404 393

Answer:

33 ft

Step-by-step explanation:

The perimeter formula for a rectangle is ...

P = 2(L +W)

Filling in the given numbers, we have ...

146 = 2(40 +W)

73 = 40 +W . . . . . . . divide by 2

33 = W . . . . . . . . . . . subtract 40

The backyard is 33 feet wide.

HURRY WILL MARK YOU BRAINLIEST

Answers

Answer:

x=11/4

Step-by-step explanation:

4x+5=8x-6

= 8

−

1 <simplify

-8x -8x

-4x=-11

x=11/4

11/4 there your welcome

Solve:
-1/4a - 4 = 4

Answers

The answer would be a=-32

Answer:

a = -12

Step-by-step explanation:

-1/4a - 4 = 4

(-1/4a / -1/4) - 4 = (4 / -1/4)

a - 4 = -16

(a - 4 + 4) = -16 + 4

a = -12

I might have made some mistake but if my memory is right this is how you solve it.

help asap due in 5 min.

Answers

Answer:

Step-by-step explanation:

just trust me hehehehhehehehhe

factorise 49m²-84mn+36n² using the identity x²+(a+b)x+ab=(x+a)(x+b)

Answers

Answer:

(7m-6n)(7m-6n)

Step-by-step explanation:

Given the expression 49m²-84mn+36n², this can also be written as;

49m²-84mn+36n²

= 7²m² - 84mn + 6²n²

= (7m)²-2*7m*6n+ (6n)²

= (7m-6n)²

= (7m-6n)(7m-6n)

Hence the expanded form is (7m-6n)(7m-6n)

Alexa's Tea Shop has caffeinated tea and decaffeinated tea. The tea shop served 100 teas in all, 50 of which were caffeinated. What percentage of the teas were caffeinated?

Answers

Answer:

50% would be the answer!

Answer:

50%

Step-by-step explanation:

we know that 50 out of the 100 teas are caffeinated. And 50/100 is 50%

What number is 36% of 3.18

Answers

Look up a percentage calculator

Answer: Percentage of 36% of 3.18 = 1.1448

The captain of the cheerleading team, Alicia, counted that they washed 58 cars. Determine if this is a reasonable number of cars that could've been washed.

Answers

Answer:

yes but no

Step-by-step explanation:

um well that is a lot by not if there is a bunch of people doing it.

A cell phone provider offers a plan that costs $40 per month plus $0.10 per text message sent or received. A comparable plan costs $50 per month but offers unlimited text messaging.. How many text messages would have to be sent or received in order for the plans to cost the same each month?

Answers

9514 1404 393

Answer:

100

Step-by-step explanation:

The $10 difference in base cost will pay for $10.00/$0.10 = 100 text messages.

4) The path of a satellite orbiting the earth causes it to pass directly over two
tracking stations A and B, which are 60 km apart. When the satellite is on one side of
the two stations, the angles of elevation at A and B are measured to be 86.4 ° and
85 °, respectively.
Find how far the satellite is from station A and how high the satellite is above the
ground. Round your answers to 2 decimal places.

Answers

Answers:

Satellite is approximately 2446.43 km from station A.Satellite is approximately 2441.61 km above the ground.

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

Explanation:

I'm assuming tracking stations A and B are at the same elevation and are on flat ground. In reality, this is likely not the case; however, for the sake of simplicity, we'll assume this is the case.

The diagram is shown below. Points A and B describe the two stations, while point C is the satellite's location. Point D is on the ground directly below the satellite. We have these lengths

AB = 60 kmAD = xCD = h

Focusing on triangle ACD, we can apply the tangent rule to isolate h.

tan(angle) = opposite/adjacent

tan(A) = CD/AD

tan(86.4) = h/x

x*tan(86.4) = h

h = x*tan(86.4)

We'll use this later in the substitution below.

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

Now move onto triangle BCD. For the reference angle B = 85, we can use the tangent rule to say

tan(angle) = opposite/adjacent

tan(B) = CD/DB

tan(B) = CD/(DA+AB)

tan(85) = h/(x+60)

tan(85)*(x+60) = h

tan(85)*(x+60) = x*tan(86.4) ............. apply substitution; isolate x

x*tan(85)+60*tan(85) = x*tan(86.4)

60*tan(85) = x*tan(86.4)-x*tan(85)

60*tan(85) = x*(tan(86.4)-tan(85))

x*(tan(86.4)-tan(85)) = 60*tan(85)

x = 60*tan(85)/(tan(86.4)-tan(85))

x = 153.612786190499

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

We'll use this approximate x value to find h

h = x*tan(86.4)

h = 153.612786190499*tan(86.4)

h = 2441.60531869599

h = 2441.61 km is how high the satellite is above the ground.

Return to triangle ACD. We'll use the cosine rule to determine the length of the hypotenuse AC

cos(angle) = adjacent/hypotenuse

cos(A) = AD/AC

cos(86.4) = x/AC

cos(86.4) = 153.612786190499/AC

AC*cos(86.4) = 153.612786190499

AC = 153.612786190499/cos(86.4)

AC = 2446.43279498247

AC = 2446.43 km is the distance from the satellite to station A.

-4 = 5 - x. SHOW ALL STEPS!

Answers

Answer:x=9

Step-by-step explanation:

-4=5-x

Add x on both sides

x-4=5

Add 4 on both sides

x=5+4

Solve

x=9

Answer:

x = 9

Step-by-step explanation:

-4 = 5 - x

5 - x = -4

-x = -4 - 5

-x = -9

x = -9/-1

x = 9

The slope below the line is -1/7. Write a point-slope equation of the line using the coordinates on the labeled point.

Answers

Honestly bro I wish I could help you but I just hope someone comes along and can help. Good luck!

Answer: y – 3 = –1/7(x – 3)

» Seven more than a number, 2, is at most 20.
1) Which inequality represents this statement?
7 – < 20
7 + x < 20
7 - 2 > 20
7 + x > 20

Answers

Answer:

i believe its 7 + x < 20

Step-by-step explanation:

The inequality function that represent the given statement should be 7 + x < 20. The second option is correct.

What is the inequality function?

It is the relationship type that shows the relationship with the graph.

Since the statement like

Seven more than a number, 2, is at most 20.

So its inequality function be like

7 + x < 20

hence, the second option is correct.

And, the rest of the options are incorrect.

Learn more about inequality here: https://brainly.com/question/11211729

i don’t understand.
online school is hard

Answers

It’s hard my dude but don’t give up

What is the equation of the line that passes through (5,-3) and (3,7)

Answers

Answer:

-5x +22

Step-by-step explanation:

( HELP! ) Charlie works at Jupiter donuts. He makes $12 per hour and gets a monthly bonus of $150. Last month, Charlie earned $390. Which equation can be used to find the number of hours (h) Charlie worked?

Answers

$390-$150/$12=20 h.

AB=
Round your answer to the nearest hundredth.
A
20
?
B
3
C

Answers

Answer:

AB= 8.77

AC= 8.24

angle a= 70

Share 20 into the ratio 1:3

Answers

Answer:

5:15 :))

Step-by-step explanation:

you would do 1+3(=4) and then divide 20 by 4(=5)

5×1=5

5×3=15

PLEASE HELP ME, ANSWER ONLY IF YOU KNOW AND IF YOU CAN ADD THE EQUATION
(Whoever adds the equation and it seems correct will earn brainliest.)

A group of friends wants to go to the amusement park. They have no more than $175 to spend on parking and admission. Parking is $12.50, and tickets cost $16.25 per person, including tax. Write and solve an inequality which can be used to determine xx, the number of people who can go to the amusement park.

Answers

Answer:

12.5 + (16.25 * 1.0716)x ≤ 175

Step-by-step explanation:

The state tax is approximately 7.16%, so it's why I multiplied 16.25 with 1.0716.

The population of a school increased by 16%, and now the population is 667. What was the
population before the increase?

Answers

Answer:

575

Step-by-step explanation:

[tex]667 \div (1 + 16\%) = 575[/tex]

in Mike’s house are broken now. His father replaced 3/14 of the broken) .4 windows. Uncle Jack replaced 1/7 of the broken windows. Who replaced the greater fraction of the broken windows?

Answers

Answer:

Mike's father produces a greater fraction.

Step-by-step explanation:

Amount of windows replaced by Mike's father = 3/14

Amount of windows replaced by Uncle Jack = 1/7

This 1/7 can also be expressed as 2/14

Now, since they both have the same denominators, it means that the higher the numerator the greater than the other fraction.

Thus, 3/14 is greater than 2/14.

Hence, Mike's father replaced a greater fraction of the broken windows.

Please help! image is shown below

Answers

The top line tells you this two figure is similar.

What does this mean? Similar figures have the exact same corresponding angles and proportionate sides.

You can find their side ratio with 38 and 15.2.

38 ÷ 15.2 = 2.5

To find x, use 55 ÷ 2.5 and you get 22 as your answer.

Find the unit rate. Enter your answer as a mixed number. 7 1 A fertilizer covers 8 square foot In = hour. The unit rate is square feet per hour.

Answers

Answer:

Step-by-step explanation:

7 1 A fertilizer covers 8 square foot In = hour. The unit rate is square feet per hour.

PLEASE HURRY !! VERY URGENT.

Answers

Answer:

If the height is h, then

h/65=sin70 so that means h=65sin70=61.08m approximately

Step-by-step explanation:

A barrel has 15 liters of water. There are approximately 29.6 milliliters in 1 fluid ounce. Which measurements is closer to the number of fluid ounces in 15 liters

Answers

Answer:

Step-by-step explanation:

There are approximately 29.6 milliliters in 1 fluid ounce. W… ... Which measurement is closest to the number of fluid ounces in 3 liters ? A. 89 fl ... We have been that some doctors recommend that men drink 3 liters of water every day . There ... Use that information to find the product of 7/8 x 40 for 15 points.

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PLZ HELP (05.01) "Sammy is trying to determine how many triangles she can create out of a square grid that has a side of 14 inches. Use the image below to determine the area Of the triangle and how many she can cut out." Answers are on the picture

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PLZ HELP (05.01) "Sammy is trying to determine how many triangles she can create out of a square grid that has a side of 14 inches. Use the image below to determine the area Of the triangle and how many she can cut out."

Answers are on the picture