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3 years ago

(11 + 5) - 7(2 - 1) - 4 show work

Mathematics

2 answers:

storchak [24]3 years ago

6 0

Answer:

Step-by-step explanation:

11+5=16

2-1=1

(16)-7(1)-4

16-7-4

16-7-4=5

Thepotemich [5.8K]3 years ago

4 0

Answer:

answer is 5 hope it helps

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You have the set (0,5) (2,7) (3,11) (7,4) (10,5). If you added (2,1) to the set, why would it no longer be a function?

brilliants [131]

Answer:

No, it would no longer be function.

Step-by-step explanation:

Because then there would be two different y values for the x value 2.

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4 years ago

Tax on building materials is 5%. What is the total bill including discounts and taxes?

Lapatulllka [165]

it would be

$3380.33

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4 years ago

Which graph shows the solution set of x^2+9x+20/x^2-x-20>0

Alja [10]

Answer:

The answer on Edg. is B, (it has a closed circle at -5 with an arrow pointing to the left, and it has an open circle at 5 going to the right) . Hope this helps good luck!

3 0

3 years ago

Read 2 more answers

HELP me with These questions

Feliz [49]

Answer: 13.96 in²

Step-by-step explanation:

radius (r)

d = 2r

16 = 2r

8 = r

angle in radians (θ)

$\frac{180}{\pi} =\frac{25}{\theta}$

180(θ) = 25(π)

θ = $\frac{25}{180}\pi$

θ = $\frac{5}{36}\pi$

Area (A)

A = $\frac{1}{2}$ r² θ

= $\frac{1}{2}(8)^{2}(\frac{5}{36}\pi)$

= $\frac{40}{9}\pi$

= 13.96

*************************************************************************

Answer: 12π

Step-by-step explanation:

s = rθ

= 60 $(\frac{\pi }{5})$

= 12π

*************************************************************************

Answer: 22.440 cm²

Step-by-step explanation:

A = $\frac{1}{2}$ r²θ

= $\frac{1}{2}$ (10)² $(\frac{\pi} {7})$

= $\frac{50}{7}\pi$

= 22.440

*************************************************************************

Answer: 270°, 630°, -450°, -810°

Step-by-step explanation:

positive: -90 + 360 = 270

270 + 360 = 630

negative: -90 - 360 = -450

-450 - 360 = -810

*************************************************************************

Answer: $\frac{3\pi} {4}$

Step-by-step explanation:

$\frac{19\pi} {4} - 2\pi$

= $\frac{19\pi} {4} - \frac{8\pi} {4}$

= $\frac{11\pi} {4}$

$\frac{11\pi}{4} - 2\pi$

= $\frac{11\pi} {4} - \frac{8\pi} {4}$

= $\frac{3\pi} {4}$

If you subtract another 2π, you will end up with a negative value. The question asks for the smallest positive value.

5 0

4 years ago

In a paint factory, an old conveyer line has filled 10 barrels of paint, and is filling more at a rate of 2 barrels per minute.

Leviafan [203]

Answer:

see below

Step-by-step explanation:

First line:

y = mx+b where m is the slope and b is the y intercept

y = 2x + 10

Second line

y = mx+b

y = 3x+0 since there are no barrels filled on this line when they flip the switch

Setting the two equations equal

2x+10 = 3x

Subtract 2x from each side

2x+10-2x= 3x-2x

10 = x

Each line will have filled 10 barrels when they numbers are equal.

5 0

3 years ago