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3 years ago

What is the weight of a square if a triangle weighs 4 grams? explain your reasoning

Mathematics

2 answers:

densk [106]3 years ago

5 0

Answer:

8 grams

Step-by-step explanation:

u add 2 triangles

stira [4]3 years ago

4 0

Answer:5

Step-by-step explanation:

yh thereu go

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Solve for x and graph the solution on the number line below.

Goshia [24]

Answer:

x ≥ 4

Step-by-step explanation:

Multiply to remove the fraction, then set equal to 0 and solve.

Inequality Form:

x ≥ 4

Interval Notation:

[ 4 , ∞ ]

The graph will be a horizontal line.

8 0

3 years ago

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Solve: 6(1-3x) +2(2x-3)=0

Radda [10]

Answer:

x = 0

Step-by-step explanation:

→ Expand out the brackets

6 - 18x + 4x - 6 = 0

→ Collect all the like terms

-12x = 0

→ Now solve

x = 0

7 0

2 years ago

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Please help me with this question #16

Zigmanuir [339]

The answer is D! The answer is D because is you put 2 square root 3 it should be equal as the same thing as square root 96/8!

8 0

4 years ago

Richard and Teo have a combined age of 20. Richard is 2 years older than twice Teo’s age. How old are Richard and Teo?

boyakko [2]

Richard is 14 years old and Teo is 6 years old.

Step-by-step explanation:

Let,

Richard's age = x

Teo's age = y

Combined age = 20 years

According to given statement;

x+y=20 Eqn 1

x = 2y+2 Eqn 2

Putting value of x from Eqn 2 in Eqn 1

$(2y+2)+y=20\\2y+2+y=20\\3y=20-2\\3y=18$

Dividing both sides by 3

$\frac{3y}{3}=\frac{18}{3}\\y=6$

Putting y=6 in Eqn 2

$x=2(6)+2\\x=12+2\\x=14$

Richard is 14 years old and Teo is 6 years old.

Keywords: linear equation, substitution method

Learn more about substitution method at:

#LearnwithBrainly

5 0

3 years ago

Solve the system by substitution.<br> - 8x + y = -32<br> - 3x – 10 = y<br> (,)

agasfer [191]

Answer:

$x=2,\:y=-16$

Step-by-step explanation:

$\begin{bmatrix}-8x+y=-32\\ -3x-10=y\end{bmatrix}\\\\\mathrm{Isolate}\:x\:\mathrm{for}\:-8x+y=-32:\quad x=-\frac{-32-y}{8}\\\\\mathrm{Subsititute\:}x=-\frac{-32-y}{8}\\\begin{bmatrix}-3\left(-\frac{-32-y}{8}\right)-10=y\end{bmatrix}\\\\Simplify\\\begin{bmatrix}\frac{3\left(-32-y\right)}{8}-10=y\end{bmatrix}\\\\\mathrm{Isolate}\:y\:\mathrm{for}\:\frac{3\left(-32-y\right)}{8}-10=y:\quad y=-16\\\\\mathrm{For\:}x=-\frac{-32-y}{8}\\\\\mathrm{Subsititute\:}y=-16\\x=-\frac{-32-\left(-16\right)}{8}\\$

$-\frac{-32-\left(-16\right)}{8}=2\\x=2\\x=2,\:y=-16$

3 0

4 years ago

Read 2 more answers