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3 years ago

38" points please help

1 answer:

7 0

1. The question is incomplete

2. Answer=D

3. Answer=B

LCM of 24 and 60=120

120seconds=2minutes

4. Answer=D

4.5 miles x miles
_________= _________
15 mins 75 minutes

cross multiply
15x=337.5
divide both sides by 15
x=22.5

5. Honestly, the number of weekdays per month varies...

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What is the equation of the line that passes through the point (-2,5) and has a<br> slope of -4?

adoni [48]

Answer:

$\boxed {\boxed {\sf y= -4x -3}}$

Step-by-step explanation:

We are asked to find the equation of a line given a point and the slope. We will use the point-slope formula.

$y-y_1= m(x-x_1)$

In this formula, m is the slope and (x₁, y₁) is the point the line passes through. The slope of this line is -4 and the line passes through (-2,5).

m= -4
x₁= -2
y₁ = 5

Substitute the values into the formula.

$y-5 = -4 (x--2)$

$y-5 = -4 (x+2)$

We are finding the equation of the line, so we should find the slope-intercept form or y=mx+b ( where m is the slope and b is the y-intercept).We must isolate the variable y on one side of the equation.

First, distribute the -4 on the right side of the equation. Multiply each term inside the parentheses by -4.

$y-5=( -4 *x ) + (-4* 2 )$

$y-5 =(-4x)+ (-8)\\y-5= -4x -8$

5 is being subtracted from y. The inverse operation of subtraction is addition, so we will add 5 to both sides of the equation.

$y-5 =-4x -8 + 5$

$y= -4x -3$

The equation of the line is y= -4x -3. The slope of the line is -4 and the y-intercept is -3.

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3 years ago

Solve: |11x + 10| = 22

Tju [1.3M]

Answer:

x = 12/11, -32/11

Step-by-step explanation:

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2 years ago

-5 – 5 + (6 x -7) x 2

Andreyy89

Answer:

-94

Step-by-step explanation:

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3 years ago

simplify and express the result in power notation with positive exponent (-6⁵) × (2/4)⁵ plsss help!!!!!!!!

My name is Ann [436]

Answer:

3 to the power of 5

3 0

3 years ago

Identify the isosceles triangle below along with the base angles

Svetradugi [14.3K]

Part A:

From the figure shown.

The measure of line TH = 14' 72" = 14' + 72" / 12 = 14' + 6' = 20'

Given that the measure of line HI = 20'

Thus, triangle THI is an isosceles triangle with line TI as the base.

Part B:

To find the base angles we use the Pythagoras theorem.

Recall that the perpendicuar bisector of an isosceles triangle divides the triangle into two equal right triangles.

Dividing the base into two gives 22.5' / 2 = 11.25'

Thus, the perpendicular bisector divides the isosceles triangle into two equal right triangles with base of 11.25' and hypothenus of 20'.

By pythagoras theorem,

$\cos\theta= \frac{11.25}{20} =0.5625 \\ \\ \theta=\cos^{-1}0.5625=\bold{55.77^o}$

Therefore, the base angles is 55.77 degrees.

8 0

3 years ago