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3 years ago

Identify:12 - 9 + 3a - 2a + 6b - 3b + b

Mathematics

2 answers:

Kay [80]3 years ago

6 0

Answer:

i think the anwser is a+4b+3

Step-by-step explanation:

shusha [124]3 years ago

3 0

Answer: 3 + a + 10b

Step-by-step explanation: combine like terms

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PLEASE HELP IM FAILING PLZ ONLY ANSWER IF YOU ARE 100% SURE

Ganezh [65]

Answer:

Its 1.75

Step-by-step explanation:

hes going 0.25 faster every meet

3 0

3 years ago

On a coordinate plane, triangles R S T and L M N are shown. Triangle R S T has points (5, 5), (2, 1), and (1, 3). Triangle L M N

ivolga24 [154]

Answer:

LMN has a larger area

Step-by-step explanation:

Given

RST

$R =(5,5)$

$S= (2,1)$

$T = (1,3)$

LMN

$L = (0,-1)$

$M= (2,-4)$

$N= (-2,-3)$

Required

Compare both areas

The area of triangle is:

$Area = \frac{1}{2}|x_1y_2 - x_2y_1 + x_2y_3 - x_3y_2 + x_3y_1 - x_1y_3|$

For RST, we have:

$Area = \frac{1}{2}|5*1 - 2*5 + 2*3 - 1*1 + 1*5 - 5*3|$

$Area = \frac{1}{2}|-10|$

Remove absolute signs

$Area = \frac{1}{2}*10$

$Area = 10$

For LMN, we have:

$Area = \frac{1}{2}|x_1y_2 - x_2y_1 + x_2y_3 - x_3y_2 + x_3y_1 - x_1y_3|$

$Area = \frac{1}{2}|0*-4-2*-1+2*-3--2*-4--2*-1-0*-3|$

$Area = \frac{1}{2}|-14|$

Remove absolute signs

$Area = \frac{1}{2}*14$

$Area = 7$

<em>By comparing both areas, we can conclude that LMN has a larger area</em>

3 0

3 years ago

What is the answer X=-2(6+4)

Digiron [165]

Answer:

X = -20

Step-by-step explanation:

X = -2(6+4)

^ add 6 and 4 together first because they are in parentheses

-2(10)

^ this parenthesis means you want to multiply -2 and 10

because 2 x 10 = 20

that must mean -2 x 10 = -20

therefore, the value of X is -20

X= -20

3 0

2 years ago

Write each equation in standard form. y=0.5x+3

dimulka [17.4K]

The equation in standard form is 0.5x-y=-3.

6 0

3 years ago

This is my question it is kind of confusing but can you guys help me solve it thanks.

Anna35 [415]

Answer:

2.3h - 2.9d - 14

Step-by-step explanation:

6h - 3.7h - 7.9d + 5d - 14

= 2.3h - 2.9d - 14

5 0

3 years ago

Identify:12 - 9 + 3a - 2a + 6b - 3b + b​

Identify:12 - 9 + 3a - 2a + 6b - 3b + b