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lakkis [162]
3 years ago
10

K/4 - 5k + 1 = 1 please

Mathematics
1 answer:
irinina [24]3 years ago
4 0

Answer:

-19k ≠ 0

No solutions

Step-by-step explanation:

k/4 - 5k + 1 = 1

4 (k/4 - 5k + 1 = 1)

k-20k + 4 = 4

-19k ≠ 0

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A section of a rectangle is shaded. The area of the shaded section is 63 square units. What is the value of x?
ella [17]

Answer:

x=11  

Step-by-step explanation:

We have been given a graph of a rectangle. The area of the shaded section is 63 square units. We are asked to find the value of x.

We can see from our given graph that shaded section forms a trapezoid, so we will use area of trapezoid formula to find the value of x.

\text{Area of trapezoid}=\frac{(a+b)}{2}\times h, where, a and b represents the parallel sides of trapezoid and h represents height of trapezoid.

Upon substituting our given values in above formula we will get,

63=\frac{7+x}{2}\times 7

63=(7+x)*3.5

Upon dividing both sides of our equation by 3.5 we will get,

\frac{63}{3.5}=\frac{(7+x)*3.5}{3.5}

18=7+x

Let us subtract 7 from both sides of our equation.

18-7=7-7+x

11=x

Therefore, the value of x is 11 units.

5 0
3 years ago
Find all values of x where f(x)=0
dmitriy555 [2]

Answer:

I think x has no value in that function

Step-by-step explanation:

6 0
3 years ago
Find hypotenuse,perpendicular and base​
vampirchik [111]

Answer:

Hypotenuse = XY = 17 cm

Base = YZ = 15 cm

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7 0
3 years ago
Which number sentence is true?
Ilya [14]

The first one (when simplify) is

5.6>8.91

Which is not true if you plot it on a number line

The second one (when simplify) is

5.6<-8.91

which is not true because it is the same thing as number 1

The third one (when simplify) is

-5.6>8.91

which is obviously not true since negatives are way smaller than positives

So that leaves us the last one

Thefore the answer is OD.

I hope this helped!!

8 0
2 years ago
15 computers for 45 students, 45 computers for 135 students
dusya [7]
15 x 45 = 675
45 x 135 =6075
6 0
3 years ago
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