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3 years ago

I need help on on which one is the answer

Mathematics

1 answer:

ch4aika [34]3 years ago

7 0

Answer:

{yI -5 $\leq$ y $\leq$ -1}

Step-by-step explanation:

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How many years make up a decade? a 10 b 50 c 100 d 1,000

Neko [114]

10 years makes up one decade, hope this helps!

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1 year ago

What Is The Surface Area Of this triangular prism? The Base Of Each Triangle 42m And the height of the triangular base is 20m. (

ehidna [41]

Answer:

The surface area is $2,440\ m^{2}$

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

The surface area of a triangular prism is equal to

$SA=2B+PH$

where

B is the area of the triangular base

P is the perimeter of the triangular face

H is the height of the prism

<em>Find the area of the base B</em>

$B=\frac{1}{2}(42)(20)=420\ m^{2}$

<em>Find the perimeter of the base P</em>

$P=(42+29+29)=100\ m$

we have

$H=16\ m$

substitute the values

The surface area is

$SA=2(420)+100(16)=2,440\ m^{2}$

8 0

3 years ago

The diameter of a circle is 3 kilometers. What is the area?

lora16 [44]

Answer:

7.068583471 km ^2

Step-by-step explanation:

pi x radius² is area

pi x 1.5² = the answer

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2 years ago

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Find 32% of 35.? plzz help me with this

Anna35 [415]

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sladkih [1.3K]

Answer:

Step-by-step explanation:

You can tell C is the right answer because one of the inequalities is a vertical line at y=3, which rules out all the other answers. However, if you continue to look at the 2nd inequality, you find the equation is x + y > 2, because the slope is -1 and the y-int is 2.

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3 years ago

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