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2 years ago

98=(?8)+(4*8) what is the answer

Mathematics

2 answers:

OLga [1]2 years ago

7 0

Step-by-step explanation:

9*8=(?*8)+(4*8)

Let ? be replaced by x,

9*8=(x*8)+(4*8)
72=8x+32
72-32=8x
40=8x
40/8=x
5=x

So, the answer is:-

9*8=(5*8)+(4*8)

Paladinen [302]2 years ago

3 0

Step-by-step explanation:

please mark me as brainlest

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Sqr root 8+3 Sqr root 2+ Sqr root 32 simplest form

Kisachek [45]

Answer:

 $9\sqrt{2}$ 

Step-by-step explanation:

The given question is :

$\sqrt{8} +3\sqrt{2} +\sqrt{32}$

8 = 4 * 2

32 = 16 * 2

$\sqrt{8} =\sqrt{4*2} = 2\sqrt{2} \\\sqrt{32} =\sqrt{16*2} =4\sqrt{2}$

∴ $\sqrt{8} +3\sqrt{2} +\sqrt{32}$

= $2\sqrt{2} +3\sqrt{2} +4\sqrt{2}$

= $9\sqrt{2}$

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3 years ago

1. Which is the inverse of the function f(x)= = 1/3x + 5?

kotykmax [81]

Answer:0

Step-by-step explanation:

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2 years ago

What is the rate of change and initial value for the linear relation that includes the points shown in the table?

defon

The initial value: 25, rate of change: -5 ⇒ answer C

Step-by-step explanation:

The table:

→ x : 1 : 3 : 5 : 7

→ y : 20 : 10 : 0 : -10

The linear relation between x and y is y = m x + b, where

m is the rate of change
b is the initial value

Let us use the table to find m and b

∵ $m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$ , where $(x_{1},y_{1})$

and $(x_{2},y_{2})$ are any two ordered pairs in the table

∵ $(x_{1},y_{1})$ = (1 , 20)

∵ $(x_{2},y_{2})$ = (3 , 10)

∴ $m=\frac{10-20}{3-1}=\frac{-10}{2}=-5$

∵ m is the rate of change

∴ The rate of change is -5

Substitute the value of m in the form of the linear relation

∴ y = -5 x + b

To find b substitute x and y in the equation by the coordinates of any points in the table, let us chose point (5 , 0)

∵ x = 5 and y = 0

∴ 0 = -5(5) + b

∴ 0 = -25 + b

- Add 25 to both sides

∴ 25 = b

∵ b represents the initial value

∴ The initial value is 25

The initial value: 25, rate of change: -5

Learn more:

You can learn more about the linear equation in brainly.com/question/4326955

#LearnwithBrainly

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3 years ago

Select all the ratios equivalent to 8:6. A. 4:3 B. 6:8 C. 16:12 D. 10:8 E. 7:5

omeli [17]

9514 1404 393

Answer:

A, C

Step-by-step explanation:

The given ratio can be reduced by removing a factor of 2 from each element.

8 : 6 = 4 : 3 . . . . matches A

It can be put in other forms by multiplying each element by the same factor. Using a factor of 2 on the original ratio values, we get ...

8 : 6 = 16 : 12 . . matches C

Any ratio that doesn't reduce to the integer ratio 4 : 3 is not equivalent. The ratio with elements reversed (3:4) is not equivalent.

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2 years ago

A hungry elf ate 20 of your muffins. That was 5/8 of all of them! With how many did you start?

Sergeeva-Olga [200]

Answer:

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Step-by-step explanation:

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2 years ago

9*8=(?*8)+(4*8) what is the answer

98=(?8)+(4*8) what is the answer