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just olya [345]
3 years ago
9

What is 91 divided by 0.7

Mathematics
2 answers:
lorasvet [3.4K]3 years ago
8 0

Answer:

130

Step-by-step explanation:

kow [346]3 years ago
6 0

Answer:

130 is ur answer, happy holidays!

Step-by-step explanation:

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Transpose then formula <br><br> F = (9/5)C + 32<br><br> So that C is the subject of the equation.
Phoenix [80]

Answer:

C = F - 32 /(9/5)

Step-by-step explanation:

F = (9/5)C + 32

Subtract 32 from both sides

F - 32 = (9/5)C + 32 - 32

F - 32 = (9/5)C

Divide both sides by (9/5)

F - 32/(9/5) = (9/5)C/(9/5)

F - 32/(9/5) = C

C = F - 32 /(9/5)

3 0
4 years ago
Read 2 more answers
If a function f ( x ) has values f ( 4 ) = 6 and f ( 8 ) = 18, use what you have learned about function patterns to find f ( 16
taurus [48]

Answer:

a) f(16) = 42

b) f(16) = 54

c) f(16) = 162

d) f(16) = 30

Step-by-step explanation:

a) y = mx + b ∧ m = (f(8) - f(4))/(8-4) ⇒ m = (18 - 6)/(8 - 4) = 3

b = y - mx = 6 - 3(4) = 6 - 12 = - 6

f(16) = 3(16) - 6 = 42

b) y = kxⁿ ∧ f(4) = 6 = k4ⁿ ∧ f(8) = 18 = k8ⁿ ⇒ 18/6 = (k8ⁿ)/(k4ⁿ) ⇒ 3 = 2ⁿ

n = ㏑(3) / ㏑(2) ⇒ k = y/xⁿ ⇒ k = 6/4ⁿ = 2/3

f(16) = 2/3 × 16ⁿ = 54

c) y = aeᵇˣ ∧ f(4) = 6 = aeᵇ⁴ ∧ f(8) = 18 = aeᵇ⁸ ⇒ 18/6 = (aeᵇ⁸)/(aeᵇ⁴) ⇒ 3 = e⁴ᵇ

b = ㏑(3/4) ∧ a = y / eᵇˣ ⇒ a = 6 / e⁴ᵇ = 2

f(16) = 2eᵇ¹⁶ = 162

d) y = a㏑(bx) ∧ f(4) = 6 = a㏑(b4) ∧ f(8) = 18 = a㏑(b8)

⇒ 18 - 6 = a㏑(b8) - a㏑(b4) ⇒ 12 = a㏑(8b/4b) ⇒ a = 12 / ㏑(2)

f(4) = 6 = a㏑(4b) ⇒ b = (√2)/4

f(16) = a㏑(b16) = 30

3 0
3 years ago
the sum of two numbers is 15 less than twice the first number their difference is 5 less than twice the second number.  Find the
Marina86 [1]
X --- <span>first number
y --- </span><span>second number

x + y = 2x - 15
x - y = 2y - 5

x - 2x + y = -15
x - y - 2y = - 5

-x + y = -15
x - 3y = - 5
-----------------
-2y = -20  /:(-2)
y = 10

</span>x - 3y = - 5   ⇒  x = - 5 + 3y = - 5 + 3 · 10 = - 5 + 30 = 25

Ans.:
x = 25
y = 10
5 0
4 years ago
Read 2 more answers
which equation is the equation of the line in point slope form that has a slope of 12 and passes through the point (-1,14)
Art [367]

y - 14 = 12( x + 1)

the equation of a line in ' point - slope form ' is

y - b = m(x - a) → (m is slope and (a, b) a point on the line)

here m = 12 and (a , b) = ( - 1, 14)

y - 14 = 12(x - (-1)) ⇒ y - 14 = 12( x + 1)


5 0
3 years ago
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​ y=−8x−3 x+y=7 ​ Is (3,4)(3,4)left parenthesis, 3, comma, 4, right parenthesis a solution of the system? Choose 1 answer: Choos
kirill [66]

Given:

The system of equation is

y=-8x-3

x+y=7

To find:

Whether (3,4) is a solution of the given system or not.

Solution:

We have,

y=-8x-3          ...(i)

x+y=7            ...(ii)

Putting the value of y in (ii) from (i), we get

x+(-8x-3)=7

x-8x-3=7

-7x=7+3

-7x=10

Divide both sides by -7.

x=\dfrac{10}{-7}

x=-\dfrac{10}{7}

Putting x=-\dfrac{10}{7} in (i), we get

y=-8\times (\dfrac{-10}{7})-3

y=\dfrac{80}{7}-3

y=\dfrac{80-21}{7}

y=\dfrac{59}{7}

So, the only solution of the given system is \left(-\dfrac{10}{7},\dfrac{59}{7}\right).

Hence, (3,4) cannot be a solution of given system, Hence the correct option is B.

7 0
3 years ago
Read 2 more answers
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