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2 years ago

10

What is the value of X in the situation

2 answers:

Nataly [62]2 years ago

8 0

The answer is D: -1
If you plug it in, it’s the only one that works

OLga [1]2 years ago

4 0

I think the answer is D

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A bag contains yellow marbles and red marbles, 23 in total. The number of yellow marbles is 4 less than 2 times the number of re

Orlov [11]

First let’s express the total number of marbles as such:
y(yellow marbles) + r(red marbles)=23; y+r=23

now let’s express the relation of yellow marbles to red marbles:
y=2r(2 times red marbles) - 4(4 less marbles); y=2r-4

since we figured out what y equals, we can plug into the first equation we created:
(2r-4)+r=23

now solve for r:
2r-4+r=23
combine like terms
3r-4=23
add 4 to both sides
3r=27
divide both side by 3
r=9

plug r back into first equation and solve for y:
y+9=23
subtract 9
y=14

there are 9 red marbles and 14 yellow marbles!

3 0

3 years ago

What is 60 divided by 5 +1 X(12-6)? ....(step by step)what to do

natita [175]

Answer:

5.455

Step by step explanation

Going by BODMAS

Bracket=(12-6)=6

Multiplication =(1*6)=6

Addition=(5+6)=11

Therefore; 60/11=5.455

5 0

3 years ago

3 squares are positioned to form a triangle. the small square is labeled 6 units, medium square is 8 units, and large square is

LuckyWell [14K]

The area of the square of the leg 6 is 36 square units.

The area of the square of the leg 8 is 64 square units.

The area of the square of the hypotenuse square is 100 square units.

The length of the hypotenuse is 10 units.

Formula Used

Area of square, A = $(a)^{2}$

Here, $a$ is the length of the side of the square.

Pythagoras Theorem is given as,

$h^{2} =p^{2} +b^{2}$

Here, $h, p, b$ are the hypotenuse, perpendicular, and the base of a right angle triangle respectively.

Area of the Square of the Leg 6

Length of the edge of the square = 6 units

Area of square = 6*6

= 36 square units

Area of the Square of the Leg 8

Length of the edge of the square = 8 units

Area of square = 8*8

= 64 square units

Area of the Hypotenuse Square and the Length of the Hypotenuse

Applying Pythagoras theorem,

$h^{2} = (8)^{2} +(6)^{2}$

$h^{2} = 64+36$

$h = \sqrt{100}$

$h = 10 units$

Therefore, the area of the hypotenuse square is 100 square units and the length of the hypotenuse comes out to be10 units.

Learn more about area of square here:

brainly.com/question/1658516

#SPJ4

5 0

1 year ago

What is the slope of y = -2x?

DedPeter [7]

Answer:

slope = - 2

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y-intercept )

y = - 2x is in this form

with slope m = - 2 and c = 0

7 0

3 years ago

Will give brianlist

MrRa [10]

A. 120 millimeters.

4 0

3 years ago