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3 years ago

Study the figure.

Mathematics

2 answers:

iragen [17]3 years ago

8 0

Answer:

exterior angle is equal to the sum of two interior opposite angle

?=53+53=106°

missing exterior angle =106°

Vera_Pavlovna [14]3 years ago

6 0

Answer:

106

Step-by-step explanation:

hope it helps you. I I think that's the method anyway

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Help me with number 15, will give brainliest:)

gladu [14]

i believe it’s D because where you have 20 marked it’s 20 more from where you are which would be around 40 which is why i’m saying D

5 0

3 years ago

Read 2 more answers

A football is kicked toward an end zone with an initial vertical velocity of 30 ft/s. The function h(t) = -16+ 30t models the he

Ulleksa [173]

Answer:

A. The football does not reach a height of 15ft

Step-by-step explanation:

Given

$h(t) = -16t^2 + 30t$

Required

Determine which of the options is true

The option illustrates the height reached by the ball.

To solve this, we make use of maximum of a function

For a function f(x)

Such that:

$f(x) = ax^2 + bx + c$ :

$f(\frac{-b}{2a}) = maximum/minimum$

i.e we first solve for $\frac{-b}{2a}$

Then substitute $\frac{-b}{2a}$ for x in $f(x) = ax^2 + bx + c$

In our case:

First we need to solve $\frac{-b}{2a}$

Then substitute $\frac{-b}{2a}$ for t in $h(t) = -16t^2 + 30t$

By comparison:

$b = 30$

$c = -16$

$\frac{-b}{2a} = \frac{-30}{2 * -16}$

$\frac{-b}{2a} = \frac{-30}{-32}$

$\frac{-b}{2a} = \frac{30}{32}$

$\frac{-b}{2a} = \frac{15}{16}$

Substitute $\frac{15}{16}$ for t in $h(t) = -16t^2 + 30t$

$h(\frac{15}{16}) = -16(\frac{15}{16})^2 + 30(\frac{15}{16})$

$h(\frac{15}{16}) = -16(\frac{225}{256}) + \frac{450}{16}$

$h(\frac{15}{16}) = -(\frac{225}{16}) + \frac{450}{16}$

$h(\frac{15}{16}) = \frac{-225 + 450}{16}$

$h(\frac{15}{16}) = \frac{225}{16}$

$h(\frac{15}{16}) = 14.0625$

This implies that the maximum height reached is 14.0625ft.

So, the option that answers the question is A because $14.0625 < 15$

8 0

3 years ago

(a-7)(a-3) as a function

stiv31 [10]

Answer:

a^2 −10a+21

Step-by-step explanation:

(a−7)(a−3)

Apply the distributive property by multiplying each term of a−7 by each term of a−3.

a^2 −3a−7a+21

Combine −3a and −7a to get −10a.

a^2 −10a+21

7 0

3 years ago

For the set A= {2, 4, 6}, determine n(A)

Serhud [2]

Plz be more specific thanks

7 0

4 years ago

Tayler has $320 $ 320 to pay for dining room chairs. She expects to pay about $80 $ 80 per chair. Her friend told her that she h

Tju [1.3M]

Answer:

Step-by-step explanation:

The formula would be c=(320/x)+3

C is the total chairs and x is the price per chair and we add 3 since she is getting 3 for free

Following PEMDAS, we should do 320/80 first which is 4

Then the equation becomes 4+3=7

8 0

3 years ago