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Rudik [331]
3 years ago
5

A number f multiplied by -12.3 is -73.8

Mathematics
2 answers:
algol [13]3 years ago
5 0
F = 6

When you divide -73.8 by -12.3, you'll get 6.
Aloiza [94]3 years ago
5 0
1. Write out equation
-12.3 x f = -73.8

2. Divide both sides of equation by -12.3 to isolate f
f = -73.8/-12.3

3. Calculate what -73.8/-12.3 is equal to
f = 6
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F the range of the function f(x) = 7x – 2.7 is {14.1, 30.9, 41.4, 58.9, 68}, what is its domain?
grigory [225]
You need to solve  5 equations  
1. 7x - 2.1 = 14.1
2. 7x - 2.1 = 30.9  and so on


1. 7x - 2.1 = 14.1
7x = 16.2
x = 2.314     so first number in the domain is  2.314

You can calculate the other 4 in the same way
7 0
3 years ago
Help me plzzz<br>i need help<br><br>​
mina [271]

Answer: 5/6 ÷ 5/12 = 5/6 x [12]/[5] = [60]/30 =2

Step-by-step explanation:

The key to this is knowing that when you divide anything by a fraction, it is the same as multiplying by the reciprocal of the fraction, or the flipped version. In this case, we are given 5/6 divided by 5/12, which equals 5/6 x12/5. Then you can so normal fraction multiplication to get 60/30, which is 2.

7 0
2 years ago
Simplify the expression. What classification describes the resulting polynomial?
valentinak56 [21]

Answer:

A quadratic Trinomial

Step-by-step explanation:

hope this helps

Given

(3x² - 11x - 4) - (2x² - x - 6)

Distribute both parenthesis, noting the second is distributed by - 1

= 3x² - 11x - 4 - 2x² + x + 6 ← collect like terms

= x² - 10x + 2 ←  this is a quadratic with 3 terms, thus trinomial → A

8 0
3 years ago
Read 2 more answers
Which equation is it please help me !!
iren [92.7K]

Answer:

y-8x=-2

Step-by-step explanation:

so the slope of the perpendicular line has to the negative receprical of the slope of this line which gives

-(-8)=8

let us put all the equations into slope intercept form

a.y=-8x+6

b.y=-1/8x-5

c.y=1/8x-5

d. y=8x-2

y=mx+b

as you can see the only line with a slope of 8 is y-8x=-2

8 0
2 years ago
Which of the following sets could be the sides of a right triangle? {2, 3, square root of 13} {2, 2, 4} (1, 2,square root of 3 }
ddd [48]

Answer:

3545344534

Step-by-step explanation:

8 0
3 years ago
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