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3 years ago

Please Help!! The question is on the screenshot I attached.

Mathematics

1 answer:

mylen [45]3 years ago

8 0

Answer:

ill let u answer ir

Step-by-step explanation:

whick one can be a major factor in 100? If there both it, which one os bigger

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you were 20 inches tall at birth, and 48 inches tall on your 8th birthday. Create a linear equation to represent this equation.

Marianna [84]

Answer:

Part a) $y=3.5x+20$

Part b) $90\ in$

Step-by-step explanation:

Part a) Create a linear equation to represent this situation

Let

x -----> the number of years

y ----> the height in inches

we have the points

(020) ----> at birth the height was 20 inches

(8,48) ---> 8th birthday the height was 48 inches

step 1

Find the linear equation in slope intercept form

$y=mx+b$

where

m is the slope

b is the y-coordinate of the y-intercept

<em>Find the slope m</em>

$m=(48-20)/(8-0)\\m=3.5\ in/year$

<em>Find the value of b</em>

$b=20\ in$ ----> the point (0,20) is the y-intercept

substitute

$y=3.5x+20$

Part b) According to your equation, how tall will you be at age 20?

For x=20 years

substitute the value of x in the linear equation and solve for y

$y=3.5(20)+20$

$y=90\ in$

8 0

3 years ago

11. Which statement suggests causation?

soldi70 [24.7K]

D) When you don’t brush your teeth, you get cavities.

hope this helps :)

4 0

3 years ago

Jimmy successfully factors a quadratic $4x^2 + bx + c$ as \[4x^2 + bx + c = (Ax + B)(Cx + D),\]where $A,$ $B,$ $C,$ and $D$ are

saul85 [17]

Answer:

±1, ±2, and ±4

Step-by-step explanation:

4x² + bx + c = (Ax + B) (Cx + D)

Distribute:

4x² + bx + c = ACx² + (AD + BC) x + BD

Matching the coefficients, AC = 4. So A must be a factor of 4. Possible values of A are therefore ±1, ±2, and ±4.

3 0

3 years ago

What is the value of x? sin(x 37)°=cos(2x 8)° enter your answer in the box. x =

Assoli18 [71]

Applying the trig formula: sin a = cos (90 - a)
cos (2x + 8) = sin (x + 37) = cos (90 - x - 37) = cos (53 - x)
Property of the cosine function -->
(
2
x
+
8
)
=
±
(
53
−
x
)

a. 2x + 8 = 53 - x
3x = 45
x
=
15
∘

b. 2x + 8 = - 53 + x
x
=
−
61
∘

For general answers, add
k
360
∘

Check by calculator.
x = 15 --> sin (x + 37) = sin 52 = 0.788
cos (2x + 8) = cos (38) = 0.788. Proved
x = - 61 --> sin (x + 37) = sin (- 24) = - sin 24 = - 0.407
cos (2x + 8) = cos (-122 + 8) = cos (- 114) = - 0.407. Proved

3 0

3 years ago

A probability experiment consists of rolling a fair 12-sided die. Find the probability of the event below. rolling a 5

VladimirAG [237]

It is one out of twelve, if the twelve sides have all numbers from 1-12

6 0

4 years ago