Mathematics High School

Find the area:
Please help!

Answers

Answer 1

Answer:

40 yd^2

Step-by-step explanation:

Area for a triangle is A = base * height / 2 = 8*10/2 = 40 yd^2

If it is helpful, plz give me Brainliest.

Answer 2

Answer:

40 yd^2

Step-by-step explanation:

The formula is (B*H)/2

The base is 8 and the height is 10

8*10=80

80/2

= 40

Don't forget to put the units:

40 sq. yards

Related Questions

Please help with math

Answers

Answer:

Scale factor = 3

Step-by-step explanation:

Using similar triangles

AT/AG = AB/AC

9/3 = x+10/3x-10

Cross multiply

3(x+10) = 9(3x-10)

Expand

3x+30 = 27x-90

3x-27x = -90 - 30

-24x = -120

x = 120/24

x = 5

For the larger triangle;

AC = 3x-10

AC = 3(5)-10

AC =15-10

AC = 5

AB = x+10

AB = 5+10

AB = 15

For the scale factor;

Since AT/AG = AB/AC

9/15 = 3/5

3*3/5*3 =3/5

Since the numerator and denominator of the larger triangle is multiplies by the same factor i.3 3. Hence the scale factor is 3

PLEASE PLEASE PLEASE
HELP ME!!!!!

Answers

Answer:

3 adjacent

4. complementary

A car traveled 3600 miles in 3 hours. Find the speed of the car.

Answers

Answer:

speed=distance/time

speed=3600/3

speed=1200m/s

Answer:

The car is going 1200 miles per hour.

Step-by-step explanation:

Q6. A triangle has base 9 cm and perpendicular height 5.6 cm. Work out
the area of the triangle. *
5.6 cm
9 cm

Answers

Answer:

I got 25.6cm² but I could be wrong

By the end of August, the school counselors had a completed 12 out of every 16 students requested schedule changes. What percentage of the schedule changed had been completed?

Answers

12/16 students is about 80%

Hello Brainliest! I need you to help! Thank you Brainliest! (You will get brainliest lol)

Answers

Answer:

2/3

Step-by-step explanation:

Answer:

2/3

Step-by-step explanation:

see figure in triangle PQR,ANGLE PQR=90°,segQS seg PR find x,y and z

Answers

Answer:

x=4√5

y=12

z=6√5

is your answer look it once

Find the value or ratio of the following:

Answers

Answer:

see below

Step-by-step explanation:

cos = adj/ hypotenuse

Cos A = 30 /34

Simplifying

Cos A = 15/17

HELP DUE SOON Which is the better buy?
25 carnival tickets for $30
or
40 carnival tickets for $50

What is the unit rate for the 25 tickets option? *

Answers

The 40
Is better . It’s like your paying 1 for it and the other one maybe like 1.50 or so

The better buy is the 25 for $30.
25 carnival tickets for $30
30/25 = 1.20

40 carnival tickets for $50
50/40 = 1.25
1.20<1.25
Therefore, the 25 for $30 is the better buy.
May I please have brainliest? Hope this helps!! Have a wonderful day!

There are 2 similar rectangles. The perimeter of the large rectangle is 75 meters, The perimeter of the small rectangle is 50 meters. Find the scale factor.

Answers

Here is my answer. I hope this is helpful.

What will most banks do about a bounced check?

return a bounced check and assess a charge to your account

send you to jail if you bounce a check

give you a warning

cover a bounced check

ANSWER ASAP!!! THIS IS QUESTION 17 CONSUMER MATH

Answers

The first one, return your check

6) Reflection: Across the line x = 1

Answers

Answer:

The coordinates of the new triangle would be (2,2), (-1,0) and (-2,4)

Manuel can mow 2 yards per hour. Let h represent the number of hours. Which equation best represents how long it will take him to mow 30 yards?
A=2h=30
B=30(2)=h
c 30h=2
D h/2=30

Answers

Answer:

2h = 30

Step-by-step explanation:

i hope helper

Make this into a smaller word problem
7.4z−5(−1.6z+2.4)
:D

Answers

Answer: 15.4z- 12

Expand by distributing terms.

2 Remove parentheses.

3 Collect like terms.

4 Simplify.

2. The weights (in pounds) of three adult males are

160, 215, and 195. The standard error of the mean of

these three weights is

(a) 190. (b) 27.84. (c) 22.73. (d) 16.07. (e) 13.13.

Answers

Answer:

(d) 16.07

Step-by-step explanation:

Step 1

We find the mean

Formula = Sum of Terms/Number of Terms

= 160+ 215 + 195/3

= 570/3

= 190

Step 2

We find the Standard Deviation

We use the formula for Sample Standard deviation =

√Mean - x/n - 1

n = 3

= √[(160 - 190)² + (215 - 190)² + (195 - 190)²]/3 - 1

= √1550/3

= √775

= 27.83882181

Approximately = 27.84

Step 3

We find the Standard Error of the mean

The formula = Standard deviation/√n

= 27.84/√3

= 16.07

Option d is correct

Based on the information given, the standard error of the mean of these three weights is 16.07.

The mean of the numbers will be:

= (160 + 215 + 195)/3

= 190

The standard deviation will be approximately 27.84.

Lastly, the standard error will be:

= 27.84 × ✓3

= 16.07

Learn more about mean on:

https://brainly.com/question/14532771

One bundle of shingles covers 32 square feet. How many bundles should you buy to cover a roof that is 540 ft2?

Answers

Answer:

17 bundles

Step-by-step explanation:

540 divided by 32 is around 16.875, so buy 17 bundles

Answer:

You should by 17 bundles of shingles.

Step-by-step explanation:

540 divided by 32 is 16.875.

So, you will need almost 17 bundles.

If you were to only buy 16, you would not have enough.

Simplify: 10x+2x-3= 9
A. x=-1
B. x=-2
C. x=1
D. x=2

Answers

Answer:

C. x = 1

Step-by-step explanation:

Combine like terms

10 + 2 − 3 = 9

12 − 3 = 9

Add 3 to both sides of the equation

12 − 3 + 3 = 9 + 3

Add the numbers

12 = 9 + 3

12 = 12

[tex]\frac{12x}{12} = \frac{12}{12}[/tex]

Cancel terms that are in both the numerator and denominator

[tex]x = \frac{12}{12}[/tex]

Divide the numbers

x = 1

Therefore the correct answer is C. x = 1

Answer:

C. x = 1

Step-by-step explanation:

Have a great day

A line passes through the point (-6, 5) and has a slope of -3.

Write an equation in slope-intercept form for this line.

Answers

Answer:

Step-by-step explanation:

−

Explanation:

The slope-intercept form of a line is:

where:

is the slope of the line

is the y-intercept

We are given that

and the line passes through

(

)

∴

⋅

−

Therefore the equation of the line is:

−

graph{y=4x-26 [-1.254, 11.23, -2.92, 3.323]}

What percentage of the world's current population is under the age of 14?

How many people is that?

How many people are 14 or older?

Answers

Answer:

25,69% in 2019

Step-by-step explanation:

mark me please

**PLEASE ANSWER LITERALLY EVERY TIME I TRY POSTING A QUESTION NO ONE EVER ANSWERS.**

The McDonald's Play Place is going to increase its ball pit size to allow for more fun! The ball pit was originally 10 feet by 12 feet. They have decided to increase each side by the same amount. Express the area of the new pit as a polynomial in simplest form.

Answers

Please note that I'm not 100% sure on this question!

Answer:

[tex]x^{2} + 22x + 120[/tex]

Step-by-step explanation:

The ball pit was originally 10 × 12 feet long, or a 120ft area.

We can express the areas of the side and bottom extensions as [tex]12x[/tex] and [tex]10x[/tex] respectively.

The corner adjacent to both extensions can be expressed as [tex]x^{2}[/tex].

We can put these numbers into a polynomial:

[tex]x^{2} + 12x + 10x + 120[/tex]

This polynomial can then be simplified.

[tex]x^{2} + 22x + 120[/tex]

please help will mark brainlyist

Answers

Answer:

45.5

Step-by-step explanation:

66+3x+8=5x+50

3x+74=5x+50

75=2x+50

2x=25

x=12.5

3×+8=45.5

There is a line that includes the point (3, 7) and has a slope of 1. What is its equation in
slope-intercept form?

Write your answer using integers, proper fractions, and improper fractions in simplest form.

Answers

Answer:

Y=1x+7

Step-by-step explanation:

y=mx+b

m: slope

b: y axis

I’m timed plsss answer correctly I’ll mark u brainliest

Answers

Answer:

[tex]\sqrt{125}[/tex]

Step-by-step explanation:

Use Pythagorean theorem since you have a right triangle [tex]15^{2}[/tex] = [tex]10^{2} + x^{2}[/tex]

225 = 100 + [tex]x^{2}[/tex] so x = [tex]\sqrt{125}[/tex]

Answer:

x = 5[tex]\sqrt{5}[/tex]

Step-by-step explanation:

Using Pythagoras' identity in the right triangle.

x² + 10² = 15²

x² + 100 = 225 ( subtract 100 from both sides )

x² = 125 ( take the square root of both sides )

x = [tex]\sqrt{125}[/tex] = [tex]\sqrt{25(5)}[/tex] = 5[tex]\sqrt{5}[/tex] ← in simplest radical form

Please help
need help asap

Answers

Answer:

288pi

Step-by-step explanation:

radius is 24

equation is 1/2*pi*r^2

1/2*pi*24^24

288pi

A shirt that is normally 19.95 is on sale for 20% off what is the sale price

Answers

Answer:

$15.96

Step-by-step explanation:

Sales price = $19.95

Discount = 20%

Amount paid = $19.95 - ($19.95*20%) = $19.95 - $3.99 = $15.96

Answer:

$15.96

Step-by-step explanation:

The sales price is $19.95. The discount is 20%.

$19.95 - ($19.95 × 20%)

$19.95 × 20% = $3.99

$19.95 - $3.99 = $15.96

x + 6 = -6

please help me pls

Answers

x=12
explanation...

−
6
=
6

−
6
+
6
=
6
+
6
add both sides to the equation
and then simplify

this is a lil hard can i get help?

Answers

Answer:

A. 5+3=3+5

Step-by-step explanation:

The commutative property of addition says that changing the order of numbers does not change the sum. In this case, they both equal 8 even though the numbers are switched.

Find the intersection of the circle x² + y2 = 29 and y = x-3 algebraically.

Answers

Answer:

(x=-5 and y =-2) or (x=2 and y=5)

Step-by-step explanation:

i did the math it wasn't that hard

One equation in a system is 4x – 2y = 8. Which equation gives the system no solution?

Answers

Answer:

-8

Step-by-step explanation:

Correct me if i'm wrong

what do I do and how do I do it ?

Answers

Answer:

Step-by-step explanation:

because it is

Answer:

Step-by-step explanation:

A line is

y=mx+b where m is the slope, however we are told that this is a horizontal line, thus the slope is zero as y does not change, With zero slope y=mx+b becomes

y=b where the constant b is the value of y. We have the point (5,-7) so b=-7 and the line is

y=-7

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Find the area: Please help!

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Find the area:
Please help!