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2 years ago

What simple machine is this? i'll mark brainliest!

Mathematics

2 answers:

ryzh [129]2 years ago

8 0

Answer:

Balance scale/ lever

Step-by-step explanation:

how do i explain what something is when its right there :(

BartSMP [9]2 years ago

6 0

A LEVER

Its a lever because both sides can be controlled by eachother :)

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It's the day before Valentine's Day and Shelly needs to get Valentine cards for all of her classmates.The desks are arranged in

Vitek1552 [10]

Answer:

Step-by-step explanation:

No of desks along length of the rectangle = 7 as it is 7 rows wide.

No of desks along breadth of the rectangle = 7 as it is 5 rows long.

Total number of students is product of these two numbers.

So number of students = 35.

But three desks are empty.

Total students = 35- 3

= 32.

4 0

2 years ago

3x^2-5=43 how do i solve this using the square root property

slava [35]

Answer:

x = 4

x = -4

Step-by-step explanation:

bro i dont know but i hope this help a little, sorry

4 0

3 years ago

Started off with 25 gallons drove a 150mills how many gallons is left

Tema [17]

It depends on your fuel economy, how much fuel the car burns per 100 miles etc.

3 0

2 years ago

Find the distance and midpoint of a segment with the following endpoints: (5,-1) and (-9,-1)

Likurg_2 [28]

Answer:

$d = 14$

$(-2,-1)$

General Formulas and Concepts:

Order of Operations: BPEMDAS
Distance Formula: $d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$
Midpoint Formula: $(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})$

Step-by-step explanation:

Step 1: Define

(5, -1)

(-9, -1)

Step 2: Find distance d

Substitute: $d = \sqrt{(-9-5)^2+(-1-(-1))^2}$
Simplify: $d = \sqrt{(-9-5)^2+(-1+1)^2}$
Subtract/Add: $d = \sqrt{(-14)^2+(0)^2}$
Evaluate: $d = \sqrt{196}$
Evaluate: $d = \14$

Step 3: Find Midpoint

Substitute: $(\frac{5-9}{2},\frac{-1-1}{2})$
Subtract: $(\frac{-4}{2},\frac{-2}{2})$
Divide: $(-2,-1)$

7 0

2 years ago

The diameter of a circle endpoints are A(-1, 5) and B(4,-3). Use the midpoint formula to find the coordinates of the center of c

mina [271]

Answer:

centre = ( $\frac{3}{2}$ , 1 )

Step-by-step explanation:

using the midpoint formula

midpoint = [ $\frac{1}{2}$ (- 1 + 4), $\frac{1}{2}$ (5 - 3) ] = ( $\frac{3}{2}$ , 1 )

6 0

3 years ago