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iren [92.7K]
3 years ago
6

The width of a rectangle is represented by 2x, and the length is represented by x2 ->

Mathematics
1 answer:
Andreas93 [3]3 years ago
3 0

Answer:

x2 ->

Step-by-step explanation:

Width area = long edge × short edge

= (2+3x).(x-4)

= 2x-8+3x²-12x

= 3x²-8-10x

= 3x²-10x-8

= x2 ->

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3. Para encontrarmos o resultado de 300 – 650, podemos: a) efetuar 650 + 300 e manter o sinal do resultado b)efetuar 650 + 300 e
hammer [34]

Answer:

To find the result of 300 - 650, we can:

a) do 650 + 300 and keep the result sign

b) do 650 + 300 and invert the result sign

c) do 650 - 300 and keep the result sign

d ) perform 650 - 300 and invert the result sign

Step-by-step explanation:

The correct answer is the letter D .

(perform 650 - 300 and invert the result sign)

300 - 650

300 is more than - 650 on the number line this is because of the negative sign of 650

so we can also write it as 650 - 300 and after getting the require result with put the negative sign to the result, so the result will be -350

Keep the sign of the number with the highest absolute value and subtract from it the lowest absolute value.

- (650 - 300)

Subtract the numbers.

- 350

therefore, the answer is d ) perform 650 - 300 and invert the result sign

5 0
4 years ago
What is the value of x?
elixir [45]

Answer: X=3

Step-by-step explanation:

This triangle has a centroid which means the line is 2/3 and 1/3.

3x+1= 2(2x-1)

3x+1= 4x-2

x=3

4 0
3 years ago
Read 2 more answers
Problem Page A principal of $2100 is invested at 7.75% interest, compounded annually. How much will the investment be worth afte
just olya [345]

Answer:

After 12 years the investment will be worth $5145.

Step-by-step explanation:

The formula used for compounded interest is:

A = P(1+r/n)^nt

where,

A = future value

P = Principal Amount

r = interest rate

n = no of times interest is compounded

t = time

In the question given:

A=?

P = $2100

r = 7.75% or 0.0775

n = 1

t= 12

A= 2100*(1+0.0775/1)^1*12

A= 2100 *(1+0.0775)^12

A= 2100 *(1.0775)^12

A= 2100 * 2.45

A= 5145

So, after 12 years the investment will be worth $5145.

6 0
3 years ago
Help meeeeeeeeeeeeee​
Vlada [557]

Answer:

18

Step-by-step explanation:

basic math .... hopefully it helped

4 0
3 years ago
Read 2 more answers
PLZ HELP I NEED AN ANSWER NOW I WILL MARK BRAINLYEST
Vesnalui [34]

Answer:

Δ MNO ≅ ΔXYZ by AAS postulate.

Step-by-step explanation:

Given:

\angle M=\angle X, \angle N=\angle Y, and YO = NZ.

Consider YO = NZ

Add OZ on both sides

YO + OZ = NZ + OZ

YZ = NO

Consider triangles Δ MNO and ΔXYZ.

   Statement                                                 Reason

1. \angle M=\angle X                                            Given

2. \angle N=\angle Y                                           Given

3. YZ = NO                                            ∵ YO = NZ

Therefore, the two triangles Δ MNO and ΔXYZ are congruent to each other from AAS postulate as two corresponding angles and a corresponding side are equal to each other.

6 0
3 years ago
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