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3 years ago

7

Can you help with this one it is hard

2 answers:

grigory [225]3 years ago

8 0

The volume of the pyramid is 400 cm^3

timama [110]3 years ago

6 0

Answer:300

Step-by-step explanation:

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Which word sentence represents the equation 4y = y + 9 ?

Amanda [17]

B. four times the value of y = the value of y+9

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3 years ago

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Homework help:<br> Write answer in scientific notation..thanks<br> (4.3x10*3)*2

Alisiya [41]

Answer:

(4.3x10^3)^2

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Hope this helps you!

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3 years ago

Svetlanka [38]

Answer:

$(f\cdot g)(x)=2x^2+10x+12$

$(f-g)(x)=-x-1$

$(f+g)(1)=10$

Step-by-step explanation:

$\tt f(x)=x+3$

$\tt g(x)=2x+4$

$(f\cdot g)(x)=f(x)\cdot g(x)=(x+3)(2x+4)=2x^2+4x+6x+12$

$=2x^2+10x+12$

$(f-g)(x)=f(x)-g(x)=x+3-(2x+4)=x+3-2x-4$

$=-x-1$

$(f+g)(1)=f(1)+g(1)=1+3+2(1)+4$

$=4+2+4=10$

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2 years ago

Simplify using a table. Can someone help?

Alona [7]

The product is -10y² -19y +15.

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3 years ago

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Find the diameter of the circle with the given circumference. Use 3.14 for π(PI). C=22 cm

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The answer is 7.006

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