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Stella [2.4K]
3 years ago
6

Is (4,-2) a solution of the intequality why or not why

Mathematics
1 answer:
krok68 [10]3 years ago
3 0

Answer:

Step-by-step explanation:

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A right triangle has two equal sides. The hypotenuse is 10 cm. What is the perimeter of the triangle?
Scorpion4ik [409]

Answer:

Isosceles Right Triangle Example

Step-by-step explanation:

Find the area and perimeter of an isosceles right triangle whose hypotenuse side is 10 cm. Therefore, the length of the congruent legs is 5√2 cm. Therefore, the perimeter of an isosceles right triangle is 24.14 cm.

Hope this answer helps ^^

4 0
3 years ago
The value of a second-hand car is £8000. Each year it loses 20% of its value at the start of this year. work out its value in 5
Elodia [21]

Answer:

the value in the five years is  £2,621.44

Step-by-step explanation:

The computation of the value in the five years is given below:

= The value of the second car × (1 - losses percentage)^number of years

= £8,000 × (1 - 0.20)^5

= £8,000 × 0.80^5

= £8,000 ×  0.32768

=  £2,621.44

Hence, the value in the five years is  £2,621.44

We simply applied the above formula so that the correct value could come

And, the same is to be considered

7 0
2 years ago
find 2 positive integers whose difference is 1 and the difference of their squares is 5 pls help i would appreciate it.
il63 [147K]

Answer:

1 and 2

Step-by-step explanation:

1^2 + 2^2 =

1 + 4 = 5

8 0
3 years ago
it is given that the x intercept and y intercept of a straight line L are 3 and 5 respectively. If L passes through P(k, 10) fin
statuscvo [17]

Answer:

<em>k=-3</em>

Step-by-step explanation:

<u>Equation of a line</u>

The general equation of a line can be written as:

Ax+By=C

The x-intercept is the point where the line crosses the x-axis, i.e. y=0, thus replacing x=3 and y=0:

A(3)+B(0)=C

3A=C

Solving for A:

A=C/3

The y-intercept is the point where the line crosses the y-axis, i.e. x=0, thus replacing x=0 and y=5:

A(0)+B(5)=C

5B=C

Solving for B:

B=C/5

Replacing into the general equation:

\displaystyle \frac{C}{3}x+\frac{C}{5}y=C

Simplifying by C:

\displaystyle \frac{x}{3}+\frac{y}{5}=1

The point P(k,10) belongs to the line, thus:

\displaystyle \frac{k}{3}+\frac{10}{5}=1

Operating:

\displaystyle \frac{k}{3}+2=1

\displaystyle \frac{k}{3}=-1

Multiplying by 3:

\boxed{k=-3}

7 0
2 years ago
Use the table to answer the question.
Aleks04 [339]

Answer:

y = x ÷ x

Step-by-step explanation:

x = 13

y = 13 ÷ 13

y = 1

so y = x ÷ x

5 0
3 years ago
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