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3 years ago

Please help me with number 3

Mathematics

2 answers:

VashaNatasha [74]3 years ago

5 0

5 kilograms, kilo=1000

almond37 [142]3 years ago

5 0

5000 Grams = 5 Kilograms,

Conversion rate, 1 Kilogram= 1000Grams, Multiply to get the answer.

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Find the x- and y-intercepts of the function f(x) = log(2x + 1) − 1.

Vilka [71]

Answer:

(9/2,0) and (0,-1)

Step-by-step explanation:

y(0) = log(1)-1 = -1

y=0 when log(2x+1) = 1

2x+1 = 10

x = 9/2

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2 years ago

What are the dimensions of the poster at 1/2 it’s current size

Zarrin [17]

C I think I hope I’m right but it should be c

8 0

2 years ago

Fine the equation of the line through (o, -3) perpendicular to y =4x+4

svlad2 [7]

Answer:

The equation of the line is $y = -\frac{x}{4} - 3$

Step-by-step explanation:

Equation of a line:

The equation of a line has the following format:

$y = mx + b$

In which m is the slope and b is the y-intercept(the value of y when x = 0).

Perpendicular lines:

If two lines are perpendicular, the multiplication of their slopes is -1.

Line perpendicular to y = 4x + 4.

This line has slope 4, so our line will have slope:

$4m = -1$

$m = -\frac{1}{4}$

$y = -\frac{x}{4} + b$

Through (0, -3)

This means that $b = -3$

$y = -\frac{x}{4} - 3$

8 0

2 years ago

I will give u brainliest

Dmitry_Shevchenko [17]

Answer:

1 & 2 = Right Triangles

3 & 4 = Not Right Triangles

Step-by-step explanation:

Solved Using Pythagorean Theorem:

1) $9^{2} + 12^{2}$ = 225

$15^{2}$ = 225

2) $15^{2} + 36^{2}$ = 1521

$39^{2}$ = 1521

3) $10^{2} + 26^{2}$ = 776

$28^{2}$ = 784

4) $10^{2} + 12^{2}$ = 244

$16^{2}$ = 256

3 0

2 years ago

A model jet is fired up in the air from a 16-foot platform with an initial upward velocity of 52 feet per second. The height of

ZanzabumX [31]

Option B: 1.6 s.

Although the equation is not included, you can obtain it by physical considerations

H(t) = -16.t^2 + 52t + 16

The maximum point is at the vertex and the vertex is in the middle of the roots.

The roots are when H(t) = 0,

So you have to solve 0 =-16t^2 + 52t + 16

Use the quadratic formula and you will find t = 3.53 and t =-0.28

Then the vertex is at the middle point = (3.53 -.028)/2 =1.63 s and the answer is option B: 1.6 s.

5 0

3 years ago