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Marat540 [252]
3 years ago
15

Please help me :) please

Mathematics
1 answer:
dangina [55]3 years ago
8 0

Answer:

In bold.

Step-by-step explanation:

6/6 = 9/a

So a = 9.

6/c = a/4.5

6/c = 9/4.5 = 2

So c = 3.

By similar triangles:

d/5 = 6/ (6+6+3)

d/5 = 6/15 = 2/5

So d = 2.

Also by similar triangles

b/5 = 12/15 = 4/5

So b = 4.

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Is ac perpidicular to xz? explain
pashok25 [27]

AC is not perpendicular to XZ, because the slope of AC is -1 and the slope of XZ is 2/3. Hence, the correct answer options are:

B. Is not

A. -1

<h3>How to calculate the slope of any straight line?</h3>

Mathematically, the slope of any straight line can be calculated by using this formula;

Slope, m = (Change in y-axis, Δy)/(Change in x-axis, Δx)

Slope, m = (y₂ - y₁)/(x₂ - x₁)

For the slope of AC, we have:

Point at A = (-1, 3)

Point at C = (4, -2)

Slope, m of AC = (-2 - 3)/(4 - (-1))

Slope, m of AC = (-2 - 3)/(4 + 1)

Slope, m of AC = -5/5.

Slope, m of AC = -1.

For the slope of XZ, we have:

Point at X = (12, 2)

Point at Z = (6, -2)

Slope, m of XZ = (-2 - 2)/(6 - 12)

Slope, m of XZ = -4/-6.

Slope, m of XZ = 2/3.

In Mathematics, a condition that must be met for two lines to be perpendicular is given by this mathematical expression:

m₁ × m₂ = -1

-1 × 2/3 = -1

-2/3 = -1 (False).

Read more on slope here: brainly.com/question/3493733

#SPJ1

<u>Complete Question:</u>

Look at the picture. Then choose the correct option from each drop-down menu.

AC choose..

A. Is

B. Is not

perpendicular to XZ, because the slope of AC is Choose...

A. -1

B. -2

C. 2

D. 1

and the slope of XZ is 2/3

5 0
1 year ago
Why is 3 1/2 multipiled by x in the equation
bagirrra123 [75]

Answer:

I don't know the equation, but I will assume that 3 1/2 is the slope.

Step-by-step explanation:

For example, in the equation y = 10x - 9, the slope is 10.

5 0
3 years ago
Read 2 more answers
Using the order of operations, what should be done first to evaluate (-2)^3 + 4 / (-15 + 9)(3) - 4
kogti [31]

Answer:

A. add -15 and 9

Step-by-step explanation:

We follow the PEMDAS rule as the order of operations to evaluate expressions.

P-Parenthesis

E-Exponents

M-Multiplication

D-Division

A-Addition

S-Subtraction

Given expression : (-2)^3+4\div(-15+9)(3)-4

In order to evaluate the expression, the first step would be to do the parenthesis operations which requires to add -15 and 9.

7 0
3 years ago
Read 2 more answers
Let f(x) = 4x + 2 and g(x) = 2x2-4. Find the formula for the composition function gf.​
Finger [1]
G(f(x))=? g(x)=2x^2-4? hope this is what you mean
g(f(x))=2(4x+2)^2-4
g(f(x))=2(16x^2+16x+4)-4
g(f(x))=32x^2+32x+8-4
g(f(x))=32x^2+32x+4
4 0
3 years ago
Noah measured the length of three pieces of cloth. The measurements were 4.29 feet, 3.6 feet, and 2.34 feet. what was the total
iragen [17]
10.23 feet is the answer because when you line up the decimals and add, its 10.23
4 0
3 years ago
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