Mathematics Middle School

Name the following triangle:

A. equilateral and right
B. isosceles and obtuse
C. isosceles and acute
D. scalene and obtuse

Answers

Answer 1

Answer:

isosceles and obtuse

Step-by-step explanation:

We have 2 sides that are equal length - isosceles

We have an angle that is greater than 90 and less than 180 - obtuse

Answer 2

Answer:

B. Isosceles and Obtuse

Step-by-step explanation:

Two sides of the triangle have equal length, and one angle is more than 90 degrees.

Related Questions

(30 points worth, pls help)
Use the function f(x) to answer the questions. f(x) = −16x2 + 60x + 16 Part A: What are the x-intercepts of the graph of f(x)? Show your work. (2 points)

Answers

Step-by-step explanation:

x intercept y=0

0 = 16x^2 - 60x -16

0 = 16x^2 + 4x - 64x - 16

0 = 4x (4x + 1) - 16 (4x + 1)

0 = (4x - 16) (4x + 1)

4x - 16 = 0 or 4x +1 = 0

4x = 16 or 4x = -1

x = 4 or x = -1/4

(4,0) and ( -1/4,0)

Answer:

x intercept y=0

= 16x^2 - 60x -16

0 = 16x^2 + 4x - 64x - 16

0 = 4x (4x + 1) - 16 (4x + 1)

0 = (4x - 16) (4x + 1)

4x - 16 = 0 or 4x +1 = 0

4x = 16 or 4x = -1

x = 4 or x = -1/4

(4,0) and ( -1/4,0)

Step-by-step explanation:

0 = 16x^2 - 60x -16

0 = 16x^2 + 4x - 64x - 16

0 = 4x (4x + 1) - 16 (4x + 1)

0 = (4x - 16) (4x + 1)

4x - 16 = 0 or 4x +1 = 0

4x = 16 or 4x = -1

x = 4 or x = -1/4

(4,0) and ( -1/4,0)

Need help with these 2 questions ASAP, no links and a answer with an explanation will get brainly

Answers

A. = -12sqrt3

B. = 30sqrt2

A= -12sqrt3
B= 30sqrt2

A certain shampoo is available in two sizes. A 14.2-ounce bottle costs $3.98. A 33.9-ounce bottle costs $9.98.
Find the unit price for each size. Then state which size is the better buy based on the unit price.

Round your answers to the nearest cent.

Answers

Answer:

28 cents, 29 cents, The 14 oz bottle is the better buy.

Step-by-step explanation:

For part 1: Divide 3.98 ÷ 14.2. That equals 28 cents.

For part 2: Divide 9.98 ÷ 33.9. That equals 29 cents, one more than the other shampoo.

That means that shampoo 1 is the better buy

Hope this helps :)

-jp524

28 cents, 29 cents, the 14 oz bottle is better to buy.

PLS HELP MY GRADES CLOSE TOMMORW Which side lengths form a right triangle?

Answers

Letter A is right

Explanation: best of luck

Answer: B

Step-by-step explanation:

On a cold day in Moscow, the temperature was 5∘C. If the temperature drops 17∘, what is the new temperature?

Answers

Answer:

5-15 equals -12

so the temp was -12

5-10=-5 another -7 =-12

Plz help, don't put link, and don't answer if you DON'T know
[tex]\pi \\[/tex] as 3
The volume would be...
The surface area would be....

Answers

Hi, sorry for a late response, but here are the answers if they are still helpful?

The volume would be about 4,188.79

(if rounded and if not the answer is below and so is the work.)

Volume = 4

—— πr3

= 4

—— ✖️ π ✖️ 103

= 4188.7902047864 centimeters^3

The surface area would be about 1,256.64

(if rounded and if not the answer is below and so is the work.)

Surface Area = 4πr2

= 4 × π × 102

= 400π

= 1256.6370614359 centimeters^2

I believe it’s 4,188.79. I’m not sure

which angles are vertical to each other ?

Answers

Answer:

5 and 7

Step-by-step explanation:

Answer:

∠5 and ∠7

Step-by-step explanation:

They both have the same lines that cross to create the angle. And, They are on the opposite sides of the two lines which means that they are vertical.

Hope this helps :)

When a spaceship full of scientists landed on Planet Q, they found that 3/8 of the 160 aliens had 3 eyes. The rest of the aliens had 5 eyes. How many eyes total do the 160 aliens have?

Answers

Answer:

680 eyes.

Step-by-step explanation:

160 · 3/8 = 60

60 aliens have 3 eyes. That means the other 100 aliens have 5 eyes.

60 · 3 = 180

100 · 5 = 500

500 + 180 = 680

Therefore, the 160 aliens have a total of 680 eyes.

680 eyes is the answer :)
Hope this helps

Which of the following is equal to 2?

Answer choices:

A. 6 + 4 divided by (2 + 1) x 3

B.(6 + 4 divided by 2) - 1 x 3

C.6 + (4 divided by 2) + 1x3

D.(6 + 4) divided by 2 - 1 x 3

NO LINKS!!!!

Answers

Awnser is A 6+4 divided by [2+1]x3

Answer A because 6+4 divided by (2+1)x3 is 2

Represent m < 3 on the number line.

(I’ll mark as brainliest if correct, thx)

Answers

Answer:

____________________________

0 1 2 (3) 4 5 6 7 8 9 10

so since 3 is over m m would be under 3

so mark the 2 to last arrow three and under

mark brainylist pls

Pls help me so I can pass

Answers

No idea but good luck

It is constant because they are going in the same line.

The area of the rectangular floor in Tamara's room is 95 5/6 square
feet. The width of the room is 8 1/3 feet. What is the length of Tamara's
room?

Answers

area of rectangle is width × length
which means area of rectangular floor in Tamara's room = width of room × length of room
-> 95 ⅚ sq feet = 8 ⅓ feet × length of
->(95 + 5/6) sq feet = (8 + 1/3) feet × length of room
->575/6 sq feet = 25/3 feet × length of room
length of room = (575/6)/(25/3)
= 575 × 3/6 × 25)
= 23/2
= 11 ½ feet

Area of the 346+99;$ djdjekdjdjj

Help with both answers thanks.
And no links pls

Answers

Yo I don’t know if it is only me but your picture isn’t loading

Yea lol it's just gray and white there nothing there try again

Find x please I will give brainlest.

Answers

Answer:

x=28

Step-by-step explanation:

6(x+2)=180 Step 1: Write equation

6x+12=180 step 2: Expand the equation

6x=168 Step 3: Do 180-12 first

x=28 Step 4: Divide by 6 answer you got in Step 3

Step 5: replace 28 with x to see if it's correct 6(28+2)= 180

Put comment if answer is wrong and i will change my answer soon as possible

I hope this helps

x=28
you just have to narrow it down between the lines divide it and you’ll get you’re awnser hope it helps

Find x please
if you can do all the questions i will give brainleist

Answers

Answer:

2-16

3-41

4-6.5

5-18

6-9.5

7-62

8-50

9-5

10-7

11-24

12-30

I worked them all out pls trust me.

2. 16
3. 41
4. 6.5
5. 18
6. 9.5
7. 62
8. 50
9. 5
10. 7
11. 24
12. 30

X,Y and Z are three points on a unit sphere (i.e. a sphere with radius 1). The space
distance between any pair of the three points is √2 . An ant can only
crawl on the surface of the sphere. The ant starts from point X, passes through points Y and Z, and then returns to X. What is the shortest possible distance of this trip?

Answers

Answer:

The shortest possible distance is 5/3*pi.

Step-by-step explanation:

Answer:

The shortest possible distance is 5/3*pi.

Step-by-step explanation:

which angles are complementary to each other? select all that apply.

Answers

Answer:

5 and 6 as well as 2 and 3

Step-by-step explanation:

5 and 6 i’m pretty sure

The theoretical probability of selecting a consonant at random from a list of letters in the alphabet is 21/26. Wayne opens a book, randomly selects a letter on the page and records the letter. He repeats the experiment 200 times. He finds p(consonant) = 60%. How does the theoretical probability differ from the experimental probability? What are some possible sources for this discrepancy. I will mark brainlest

Answers

Answer:

The theoretical probability in this case is calculated by taking the number of consonants in the alphabet and dividing it by total number of letters in the alphabet and the distribution of letters in the written language is different than the distribution of letters in the alphabet.

which angles are complementary to 3 ? Select all that apply

Answers

Answer:

Step-by-step explanation:

4 is the answer………………..

Answer this please.
Find x

Answers

Answer:

2. 3

4. 5

8. 8

9. 24

10. 17

11. 46

Number one is correct by the way

33333333232222rkwjwhwueje

pls help im failing lol Which side lengths form a right triangle?

Answers

Answer:

4 4 8

Step-by-step explanation:

Answer:

Step-by-step explanation:

i did the math and it took forever please mark brainliest :)

PRE-ALGEBRA !! PLEASE HELP !!

Answers

its b

Step-by-step explanation:

Answer:

I think the answer is B

hope this helps

have a good day :)

Step-by-step explanation:

NEED ANSWER QUICK - NO FALSE ANSWERS BRAINLIEST WILL BE GIVEN

Answers

Answer:

f(-2) =2

Step-by-step explanation:

f(-2) means find the y value when x=-2

The y value is 2 when x=-2

F(-2)=2
Hope that helps :)

help plzz..and give steps

Answers

Answer: C

Step-by-step explanation:

the answer to your question is c

Complete the proportion you can use to convert 80 inches to centimeters. Enter your answer with one decimal place.

1 inch/2.54 centimeters = 80 inches/ ? centimeter

Answers

203.2 centimeters

I got 80 inches/203.2 centimeters by taking 80x2.54, which gave me 203.2 centimeters

203.2cm okkkkkkkkkkkkkk

Use 4's and any of the operations: +, -, × and ÷ to write number sentences.
Example: (4+4)÷(4+4)= 1
What equals 2?
What equals 3?
What equals 4?
What equals 5?

Answers

Answer:

Step-by-step explanation:

(4x4)÷(4+4) = 2

(4x4)÷ (4 +4) - 4= 4

(4+4)+(4÷ 4)- 4= 5

(4+4)- (4÷4) - 4= 3

1+1 2+1 2+2 3+2 i thjnk im not sure i really dont understand

The quadratic function h(t) = −4.9t^2 + 50t + 2 represents the height, in meters, of a toy rocket t seconds after launch. How many seconds will it take the toy to reach the ground? State your answer to the nearest whole second.

Answers

Answer:

The toy reaches the ground in 10 sec

Step-by-step explanation:

When the rocket hits the ground, h becomes zero (0). Thus, our problem here is to solve the equation h(t) = −4.9t^2 + 50t + 2 = 0,

Because of the fractional coefficient -4.9, it's best to use the quadratic equation here. The coefficients of the t terms are {-4.9, 50, 2}. Thus,

the discriminant is b^2 - 4ac = 50² - 4(-4.9)(2) = 2539.2, and the square root of this is 50.39.

The quadratic formula is as follows:

-b ± √discriminant

t = -------------------------------

which here is:

-50 ± 50.39

t = ------------------------ Since t represents time, only the positive result

-9.8 is relevant here; it is 10.24 sec,

which rounds off to 10 sec

The toy reaches the ground in 10 sec

it reaches the ground in 10 sec

I have another question plz help

Answers

Answer:

y+3x=5

Step-by-step explanation:

Y + 3 x = 5
Hope this helps :)

Diego has 75% of $10. Noah has 25% of $30. Diego thinks he has more money than Noah, but Noah thinks they have an equal amount of money. Who is right? Explain your reasoning.

Answers

Answer:

.75 x 10 = $7.5

.25 x 30 = $7.5

They have the same amount so Noah is right

Step-by-step explanation:

Answer:

They have the same amount so Noah is right

Step-by-step explanation:

0.75 x 10 = $7.5

Next you would do

0.25 x 30 = $7.5

Which of the scatterplots have no correlation? Check all that apply.

On a graph, points curve up and down.
On a graph, points are grouped together to form a horizontal cluster.
On a graph, points are grouped together to form a vertical cluster.
On a graph, points are grouped together and decrease.
On a graph, points are scattered over the graph.
Please Help : )

Answers

Answer:

2,3 and 5

Step-by-step explanation:

Scatterplots with NO correlation (meaning scatterplots that are not grouped together) are your answers.
So you would choose the following two:
On a graph, points curve up and down.
On a graph, points are scattered over the graph.

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Name the following triangle: A. equilateral and right B. isosceles and obtuse C. isosceles and acute D. scalene and obtuse

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Name the following triangle:

A. equilateral and right
B. isosceles and obtuse
C. isosceles and acute
D. scalene and obtuse