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2 years ago

Find (f +g)(x) where f(x) = x+ 3 and g(x) = x + 4.

Mathematics

1 answer:

zlopas [31]2 years ago

7 0

Answer:

Correct answer is A

Step-by-step explanation:

In pic

Credits: Symbolab)

(Hope this helps can I pls have brainlist (crown)☺️)

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If sin θ=.55 what is the value of cos θ and explain why

MatroZZZ [7]

Answer:

$cos(\theta)=(+/-)0.84$

Step-by-step explanation:

we know that

$sin^2(\theta)+cos^2(\theta)=1$ ----> by trigonometric identity

we have

$sin(\theta)=0.55$

substitute

$(0.55)^2+cos^2(\theta)=1$

$cos^2(\theta)=1-(0.55)^2$

$cos^2(\theta)=0.6975$

$cos(\theta)=(+/-)\sqrt{0.6975}$

$cos(\theta)=(+/-)0.84$

Remember that

If the sine of angle theta is positive, then the angle theta lie on the I Quadrant or II Quadrant

therefore

If the angle theta is on the I Quadrant the cosine will be positive

If the angle theta is on the II Quadrant the cosine will be negative

3 0

3 years ago

What is the reciprocal of 9/11

SVETLANKA909090 [29]

The reciprocal is the flipped value so it will be11/9

7 0

4 years ago

Read 2 more answers

Write the word 2.51 in word form and expanded form

IceJOKER [234]

2+.5+.01

Two AND fifty one hundredths

6 0

4 years ago

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A dog trainer has 96 ft of fencing that will be used to create a rectangular work area. Encloses area of 320 ft^2. What will be

Anastaziya [24]

Answer:

The dimensions of the area will be 8 ft x 40 ft

Step-by-step explanation:

Area and Perimeter

The perimeter can be understood as the distance measured around a shape. The area gives us the idea of the space occupied by the shape. Being w and l the width and length of a rectangle, the perimeter and areas can be computed as follows

$A=wl$

$P=2w+2l$

The dog trainer has 96 ft of fencing to cover a $320 ft^2$ rectangular area. This means that

$wl=320$

$2w+2l=96$

A system of equations is formed

$\left\{\begin{matrix}wl=320\\ 2w+2l=96\end{matrix}\right$

We divide the last equation by 2

$w+l=48$

solve for w

$w=48-l$

Replacing in the first equation

$(48-l)l=320$

Operating and arranging

$l^2-48l+320=0$

$(l-8)(l-40)=0$

We have two possible answers

$l=8,\ l=40$

Which gives us

$w=40,\ w=8$

In any case, the dimensions of the area will be 8 ft x 40 ft

6 0

3 years ago

There is a proportional relationship between a volume measured in cups and the same volume measured in tablespoons. 48 tablespoo

olga nikolaevna [1]

answer:

1 cup for 16 tablespoons

Step-by-step explanation:

sana makatulong pa heart po at pa brainliest

3 0

3 years ago

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