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bija089 [108]
3 years ago
14

Alex has 21 marbles zach has 19 times as many marbles as alex how many marbles does zach have

Mathematics
1 answer:
Yuri [45]3 years ago
4 0
Zach has 399 marbles because 21*19 is equal to 399.
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The red figure is congruent to the blue figure. Which choice describes a sequence of transformations in which the blue figure is
Colt1911 [192]

Answer:

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Step-by-step explanation:

  • <em>Easy way to take one of the vertices and apply the transformations</em>

1. Rotate the triangle 90º counterclockwise about the origin and then translate it 10 units left and 9 units down.

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2. Rotate the triangle 90º clockwise about the origin and then translate it 10 units left and 9 units down.

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3. Rotate the triangle 90º counterclockwise about the origin then translate it 1 unit up.

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4 0
3 years ago
Pls help this is really important
oee [108]

Answer:

x = 30 I'm sure hope this helps

7 0
2 years ago
Help with this question plz
solmaris [256]

Answer:

804.2 meters³

Step-by-step explanation:

To find the volume of a cylinder, you multiply the height by the area of the base (which is πr²), so the equation is <em>V = hπr²</em>.

We can plug in out givens: <em>V = 16*π*4²</em>. Simplifying this gives us <em>V = 256 π meters³</em> which is approximately 804.2 meters³.

4 0
3 years ago
Show work answer quick will give thank you's etc.
forsale [732]

Answer:

f(3) = -11

Step-by-step explanation:

f(3) means you sub the value that is inside into x

f(3) = -3(3) - 2

     = -9 - 2

     = -11

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A bottle of laundry detergent costs $4.95 per bottle. If you have a coupon for $2.00 off and your total is $7.90, how many bottl
RoseWind [281]
You bought 2 because if you add $7.90 and $2.00 the coupon you would get $9.90 so then you multiply $4.95 by 2 and you get $9.90 the exact amount we had before
8 0
3 years ago
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