HELP ILL GIVE BRAINLIEST PLEASE I NEED TO PASS MY TEST

Mathematics

2 answers:

AysviL [449]3 years ago

5 0

Reflection across Y axis

Naily [24]3 years ago

4 0

<h2>You need a reflection across the y-axis!</h2>

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Please help me answer :)) <br> Will give brainlst

Gemiola [76]

Answer:

The volume is 25.1 cubic inches

Step-by-step explanation:

Given

$r = 2$ --- base radius

$h = 2$ --- height

Required

The volume (V) of the cylinder

This is calculated using:

$V = \pi r^2h$

So, we have:

$V = \frac{22}{7} * 2^2 * 2$

$V = \frac{22}{7} * 4 * 2$

$V = \frac{22* 4 * 2}{7}$

$V = \frac{176}{7}$

$V = 25.1$

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3 years ago

A chemistry teacher needs to mix a 20% salt solution with a 80% salt solution to make 25 qt of a 44% salt solution. How many qua

NNADVOKAT [17]

Let there be x quarts of the 20% salt solution, and (25 - x) quarts of the 80% salt solution.
Then the total amount of salt in the 20% portion would be 0.2x, while that from the 80% portion would be (0.8)(25 - x). This would have to total up to (0.44)(25) in the final solution, so the equation is:
0.2x + 0.8(25 - x) = (0.44)(25)
-0.6x + 20 = 11
x = 15 quarts of the 20% salt solution
25 - x = 10 quarts of the 80% salt solution

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3 years ago

B<br>Find all the missing angles - a,b,c, and d

mart [117]

a=65° d=75° b=25° c=25°

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3 years ago

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The ideal width of a certain conveyor belt for a manufacturing plant is 50 in. Convey our belts can vary from the ideal width by

Tpy6a [65]

What are the choices???

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