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gregori [183]
3 years ago
8

Help pls look at the picture

Mathematics
1 answer:
Alika [10]3 years ago
3 0

Answer:

Option A: -\frac{4}{3} is the correct answer.

Step-by-step explanation:

Given that:

Slope of the line = \frac{3}{4}

Let,

m be the slope of the line perpendicular to the line with slope \frac{3}{4}

We know that,

The product of slopes of two perpendicular lines is equals to -1.

Therefore,

\frac{3}{4}.m=-1\\

Multiplying both sides by \frac{4}{3}

\frac{4}{3}*\frac{3}{4}m=-1*\frac{4}{3}\\

m = -\frac{4}{3}

-\frac{4}{3} is the slope of the line perpendicular to the line having slope \frac{3}{4}

Hence,

Option A: -\frac{4}{3} is the correct answer.

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Answer: the answer would be A. the number of hours Noel worked

sorry i responded so late but i hope this helps you

Step-by-step explanation:

4 0
3 years ago
I don’t understand what to do
denis23 [38]
Find the S.A of all the cubes and then add them together.

S.A = 6a²

a is the side length

S.A = 6(3)² = 54
S.A = 6(2)² = 24
S.A = 6(1)² = 6

Now add them all together.

54 + 24 + 6 = 84

So the total surface area is 84

Hope this helps :)
3 0
3 years ago
the base length of a particular triangle is 4 inches mote than its height. it the area of the triangle is 10.5 square inches, fi
IRINA_888 [86]

Answer:

<u>Height = 3 inches and Base length = 7 inches</u>

Step-by-step explanation:

1. Information provided to answer the question correctly:

Base of the triangle = x+ 4

Height of the triangle = x

Area of the triangle = 10.5 inches²

2. Find the base length and height

Let's recall the formula of the area of a triangle:

Area = (Base * Height)/2

Replacing with the values we know:

10.5 = x (x + 4)/2

21 = x² + 4x

x² + 4x - 21 = 0

(x + 7) (x - 3) = 0

(x₁ + 7) = 0 ⇒ x₁ = -7

(x₂ - 3) = 0 ⇒ x₂ = 3

We take  x₂ as the answer because x₁ = -7 is not a valid height.

<u>Height = 3 inches and Base length = 7 inches</u>

3 0
4 years ago
Y= -3x+5 please solve
pychu [463]
X can be from -1.6 to -1.7 or x can be from -3.3 to 3.3
6 0
3 years ago
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PLEASE HELP! QUIZ QUESTION
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Answer:

30 i think because 3x is 90

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3 years ago
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