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GalinKa [24]
4 years ago
7

HELP ME WITH MATH PLZ !!!!

Mathematics
1 answer:
Darya [45]4 years ago
3 0
First you write out the equation
\frac{1}{16} + \frac{3}{16}
because of the way the fractions are written, just add the top numbers
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What is the unknown value? that makes the statement below true? ______ is 40 percent of 280
kolezko [41]
The answer is 112. 4/10 of 280. 280 divided by 10 equals 28. 28 x 4 = 112
4 0
2 years ago
There are 150 students and 3/5 of these students are girls. 2/3 play school activities. how many play activities?
Murrr4er [49]

Answer:

100 or 60

Step-by-step explanation:

Since the question does not specify whether \frac{2}{3} refers to only the girls or all students, both will be calculated for your convenience.

If 2/3 refers to all students:

150*\frac{2}{3}

=100

If 2/3 refers to the girls:

150*\frac{3}{5}*\frac{2}{3}

=150*\frac{2}{5}

=60

8 0
3 years ago
Read 2 more answers
How many is?<br> with procedure and testing<br> PLEASE<br><br> -4x + 13 = 6x - 7
slamgirl [31]
To solve for X you must get x by itself so let's get started
-4x+13=6x-7
subtract 13 from both sides
-4x=6x-20
subtract 6x from both sides
-10x=-20
divide both sides by -10
x=2

to check if this is correct plug in x into original equation
-4 (2)+13=6 (2)-7
-8+13=12-7
5=5
answer x=2 holds true :)
6 0
3 years ago
What is the calculation of pi
Tpy6a [65]
I hope this helps you



3,14
7 0
3 years ago
Read 2 more answers
Isabella uses the equation V = one-third (12) squared (9) pi to find the volume of the cone below.
lyudmila [28]

Isabella’s error is  Isabella should have divided the product of 12π and 9 by 3 to get V = 12π(9)/3 option fourth is correct.

<h3>What is a cone?</h3>

It is defined as a three-dimensional shape in which the base is a circular shape and the diameter of the circle decreases as we move from the circular base to the vertex.

\rm  V=\pi r^2\dfrac{h}{3}

Isabella equation:

\rm V = \dfrac{1}{3}(12)^2(9)\pi

The area of the base = 12π square cm

\rm V = \dfrac{12\pi (9 )}{3}

Thus, Isabella’s error is  Isabella should have divided the product of 12π and 9 by 3 to get V = 12π(9)/3 option fourth is correct.

Learn more about the cone here:

brainly.com/question/16394302

#SPJ1

6 0
2 years ago
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