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LenaWriter [7]
3 years ago
12

Can someone help me??? It's for extra credit

Mathematics
1 answer:
Gala2k [10]3 years ago
7 0

Answer:

<h2 /><h2>-7 , -1</h2>

Step-by-step explanation:

if the equation of line p is

4x+7y=20 then the equation of line q must be

-7 x +4y=15 because perpendicular lines have

slopes with a product of -1

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Diana ran a total of 9 3/4 miles over three days. She runs the same distance each day. How many miles did Diana run each day?
Natasha2012 [34]

Answer:

3 1/4

Step-by-step explanation:

4 0
2 years ago
Write 2.467 as a percent.<br> a. 0.02467%<br> b. 246.7%<br> c. 24.67%<br> d. 2,467%
I am Lyosha [343]
Correct answer is a because u divide it by 100 to its percentage
6 0
3 years ago
If Jake drove 3/4 of the 128-mile trip, how many miles did he drive?
Gnoma [55]
3/4*128=96
He drove 96 miles
7 0
3 years ago
Read 2 more answers
Let f(x)=2x+2. Solve f^-1(x) when x=4
Gre4nikov [31]
F⁻¹(x) stands for the invers of function f(x). The inverse of f(x) is equal to x. We need to solve for x.

solve for x
f(x) = 2x + 2
2x + 2 = f(x)
2x = f(x) - 2
  x = \dfrac{f(x)-2}{2}
f⁻¹(x) = \dfrac{x-2}{2}

Determine the value of f⁻¹(x) when x = 4
f⁻¹(x) = \dfrac{x-2}{2}
f⁻¹(4) = \dfrac{4-2}{2}
f⁻¹(4) = \dfrac{2}{2}
f⁻¹(4) = 1
When x = 4, the value of f⁻¹(x) is equal to 1
4 0
2 years ago
Multiply. −2(−5)(−3)
Dominik [7]

The multiplication of −2(−5)(−3) is -30

The multiplication of numbers in brackets with negative signs takes a method whereby the signs are taken into account when performing the arithmetic operation.

From the given question, we are to multiply:

= - 2 × (-5) × (-3)

= +10 × (-3)

= -30

Learn more about the multiplication of numbers here:

brainly.com/question/1755985

4 0
2 years ago
Read 2 more answers
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