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3 years ago

-11f=7(1-2f)+5 solve for f

Mathematics

2 answers:

SVETLANKA909090 [29]3 years ago

4 0

Answer:

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

f = 4

Anna71 [15]3 years ago

4 0

Answer:

f = 4

Step-by-step explanation:

I got this answer ON Khan Academy.

Hope this helps! :)

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Help please <br> Show work if you can

grin007 [14]

Answer:

answer is 350 square cm sry can't give explanation

Step-by-step explanation:

8 0

3 years ago

The forumal below is used to convert a temputure in degrees celsius, C, to a tempurturein degrees fahrenheit, F.

Vika [28.1K]

Answer:

59 F

Step-by-step explanation:

F=1.8C+32

Let C = 15

F = 1.8 (15) +32

Multiply 1.8 times 15

F = 27+32

F = 59

15 degrees C is 59 degrees F

5 0

3 years ago

Tim buys a jacket at $120.00. If he buys it during the Christmas sale,He will pay only 102.00. Calculate the percentage discount

Harman [31]

Answer:

15% discount

Step-by-step explanation:

1 - (102/120)

1 - 0.85 = 0.15 = 15%

3 0

3 years ago

A cylinder has a radius of 2.8 inches and a height of 2.4 inches. Which cylinder is similar?

Eddi Din [679]

If two figures are similar, the ratio of their corresponding sides are equal

Let us take the ratio of the radius to the height of the given cylinder. This gives us,

$\frac{radius}{height}=\frac{2.8}{2.4}$

In the simplest form, we have,

$\frac{radius}{height}=\frac{7}{6}$

Let us now find out which of the cylinders in the option has the same ratio,

For option A,

$\frac{radius}{height}=\frac{1.8}{1.4}$

In the simplest form, we have,

$\frac{radius}{height}=\frac{9}{7}$

For option B,

$\frac{radius}{height}=\frac{1.4}{1.2}$

In the simplest form, we have,

$\frac{radius}{height}=\frac{7}{6}$

For option C,

$\frac{radius}{height}=\frac{5.6}{4.2}$

In the simplest form, we have,

$\frac{radius}{height}=\frac{4}{3}$

For option D,

$\frac{radius}{height}=\frac{2.4}{2.8}$

In the simplest form, we have,

$\frac{radius}{height}=\frac{6}{7}$

<h2>Hence the correct answer is B</h2>

4 0

4 years ago

Read 2 more answers

If f(x) = -x-2, what is f¹(x)?

astra-53 [7]

Answer:

f¯¹(x) =9x+18, for the pictorial(image) question
what is the send question is it asking derivative or inverse
If it is inverse f¯¹(x)=-x-2 as it is
Or if it is derivative f'(x)=-1

Step-by-step explanation:

<h2>For the image question f(x)=1/9x-2,f¯¹(x)=?</h2>

f(x)=1/9x-2............given
y=1/9x-2................swapping f(x) by y to Easily write
x=1/9y-2................interchanging x and y
1/9y-2=x................changeling side of equation
9(1/9y-2)=(x)9.......multiplying both sides by 9 to override the fraction on the right side
y-18=9x
y=9x-18.................Return to where it were
<em><u>f¯¹(x)=9x+18</u></em>..........swap back f¯¹(x) in the y

<h2>For the question f(x)=-x-2,f¯¹(x)=?</h2>

following the ☝️ arrangement
y=-x-2
x=-y-2
-y-2=x
-y=x+2
y=-x-2
f¯¹(x)=-x-2

4 0

2 years ago