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WITCHER [35]
3 years ago
13

Can you please help me with this?​

Mathematics
1 answer:
Lelu [443]3 years ago
8 0

The answer should be look it up

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Question in picture #21 only
krek1111 [17]
Number 21 is the first answer a.) 8
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3 years ago
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55 is 40% of what number
SCORPION-xisa [38]
You simply put 40 over a hundred and 55 over n (which is the number were trying to find)  so you do cross multiplication. 55 times a hundred and after you get the answer. You divide it by 40 and should get 137.5.
3 0
3 years ago
100 POINTS!!! VERY URGENT
Marta_Voda [28]

Answer:

<u>D) (f o g)(x) = 10x² - 60x + 93</u>

Step-by-step explanation:

f(x) = 10x² + 3

g(x) = x - 3

⇒ (f o g)(x)

⇒ f(x - 3)

⇒ f(x - 3) = 10(x - 3)² + 3

⇒ f(x - 3) = 10(x² - 6x + 9) + 3

⇒ f(x - 3) = 10x² - 60x + 90 + 3

⇒ <u>(f o g)(x) = 10x² - 60x + 93</u>

6 0
2 years ago
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Which expression represents the volume, in cubic units, of the composite figure? One-third(8)(6)(6) (8)(6)(4) One-third(8)(6)(10
vaieri [72.5K]

The expression of Volume in cubic meter  \frac{1}{3} (8)(6)(6)+(8)(6)(4)

The correct option is (1)

<h3>What is Volume?</h3>

Volume can also be defined as the amount of space occupied by a 3-dimensional object. The volume of a solid like a cube or a cuboid is measured by counting the number of unit cubes it contains.

Volume will be,

V= Volume of rectangular pyramid + Volume of cuboid

 

Volume of rectangular pyramid= \frac{1}{3} * base area* height

                                                   = \frac{1}{3} * 6*8*(10-4)

                                                   =\frac{1}{3} * 6*8*6

Volume of cuboid= l*b*h

                              = 4*6*8

So, Volume   =\frac{1}{3} * 6*8*6 + 4*6*8

                     = \frac{1}{3} (8)(6)(6)+(8)(6)(4)

So, The expression of Volume in cubic meter  \frac{1}{3} (8)(6)(6)+(8)(6)(4).

Learn more about Volume here:

brainly.com/question/15626455

#SPJ1

 

3 0
2 years ago
Which of the following sets of numbers could represent the three sides of a triangle?
olchik [2.2K]

Answer:

i'm not sure but i think its 7,14,21

Step-by-step explanation:

7,14,21

6 0
2 years ago
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