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2 years ago

What is the answer to this

Mathematics

1 answer:

Softa [21]2 years ago

7 0

Answer:

5 f

Re-order terms so that constants are on the left

. 5

5 f

solution

5 f

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F(x) = x-7<br> What is the value of x when f(x) = 3? Enter the answer in the box.

Wewaii [24]

Answer:

10 =x

Step-by-step explanation:

f(x) = x-7

Let f(x) = 3

3 = x-7

Add 7 to each side

3+7 = x-7+7

10 =x

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2 years ago

Jill earns 1.5 times her normal hourly rate for each hour she works after 40 hours in a week. she worked 52 hours this week and

beks73 [17]

This equation can be set up letting x be the hourly rate:40x+1.5x(52-40)=638 [40 times the rate, plus 1.5 times the rate for the hours over 40 equals the pay]40x+78x-60x=63858x=638x=11 hourly rate is $11/hr

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2 years ago

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Please help me with my math please.?

Lady_Fox [76]

Answer:

x = 6, y = 0, m = -1
y = mx + b
0 = -1(6) + b
0 = -6 + b
6 = b
y = -1x + (6)

Step-by-step explanation:

^^^
See answer, pretty simple.

4 0

1 year ago

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FrozenT [24]

Answer:

What grade is this?

Step-by-step explanation:

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2 years ago

Consider the line 7x+9y=5

alisha [4.7K]

Answer:

The slope of a line parallel to this line will be: -7/9

The slope of the perpendicular line will be:

$\frac{-1}{\frac{-7}{9}}=\frac{9}{7}$

Step-by-step explanation:

We know the slope-intercept form

$y=mx+b$

Here,

m is the slope

b is the y-intercept

Given the equation

$7x+9y=5$

simplifying to write in the lope-intercept form

$y=-\frac{7}{9}x+\frac{5}{9}$

Thus, the slope of the line is: -7/9

The slope of a line parallel to the line:

We have already determined that the slope of the line is: -7/9

We know that the parallel lines have the same slope.

Thus, the slope of a line parallel to this line will be: -7/9

The slope of a line perpendicular to the line:

We have already determined that the slope of the line is: -7/9

As we know that the slope of the perpendicular line is basically the negative reciprocal of the slope of the line.

Thus, the slope of the perpendicular line will be:

$\frac{-1}{\frac{-7}{9}}=\frac{9}{7}$

4 0

2 years ago