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miskamm [114]
3 years ago
5

8÷3+ 13 to the square root

Mathematics
1 answer:
gavmur [86]3 years ago
3 0

Answer:

3.9581139448

Step-by-step explanation:

8 ÷ 3 + 13

8 ÷ 3 = 2.66666667

2.66666667 + 13 = 15.6666666

square root of 15.6666666 is 3.9581139448

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X2-5x+10=0 is it quadratic equation? how can i identify the value of a,b,c? help
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A= 1
B= -5
C= 10

In order to figure it out, you can think about it like this..

4 0
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(7/6)3y+15=(49/36)4y
Doss [256]

Answer:

y=54/7

Step-by-step explanation:

8 0
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4/5 + 2 /5 ÷ 2/ 3(they are fractions)PLEASE HURRY
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Answer:

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Step-by-step explanation:

Hope this is what you were looking for

4 0
3 years ago
A car completes a journey at an average speed of 40km/h.At what speed must it travel on the return journey if the average speed
nalin [4]
The distance, s = 40t₁ where t₁ is the time to complete the outward journey.
The same distance = vt₂ where t₂ is the time to complete the return journey at speed v.
For the whole journey, 2s=60(t₁+t₂). Therefore s=30(t₁+t₂)=40t₁=vt₂.
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5 0
3 years ago
Fill in the blank with a constant, so that the resulting quadratic expression is the square of a binomial. $\[x^2 + 22x + \under
saw5 [17]

Answer:

$\[x^2 + 22x + 121\]$

Step-by-step explanation:

Given

$\[x^2 + 22x + \underline{~~~~}.\]$

Required

Fill in the gap

Represent the blank with k

$\[x^2 + 22x + k\]$

Solving for k...

To do this, we start by getting the coefficient of x

Coefficient of x = 22

<em />

Divide the coefficient by 2

Result = 22/2

Result = 11

Take the square of this result, to give k

k= 11^2

k= 121

Substitute 121 for k

$\[x^2 + 22x + 121\]$

The expression can be factorized as follows;

x^2 + 11x + 11x + 121

x(x + 11)+11(x+11)

(x+11)(x+11)

(x+11)^2

<em>Hence, the quadratic expression is </em>$\[x^2 + 22x + 121\]$<em></em>

8 0
3 years ago
Read 2 more answers
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