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OLga [1]
3 years ago
13

Help me please I need help

Mathematics
2 answers:
UNO [17]3 years ago
6 0

Answer:

b.

{4}^{8}

Step-by-step explanation:

With the same base you just add the exponents.

vova2212 [387]3 years ago
4 0

Answer:

4 to the power of 8

Step-by-step explanation:

if they have the same base number with a  exponent u can add the exponenets together to simplify it but if they dont have the same base number you can not add the exponents together

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Help i dont understand picture attachment included
LiRa [457]
Well, if the bottom is 4 on one side and 6 on the other side( lets use the other side as slant) and on the tone on one side its 8, then how I see it is that to add 2 because 4+2=6. x would be 10 because 8+2=10! Hope this helps!!
3 0
3 years ago
Find the area of a parallelogram with base b and height h. b = 87 cm h = 18.6 cm A.105.6 cm2 B.2 211.2 cm2 C809.1 cm2 D1,618.2 c
Bingel [31]
I hope this helps you


Area of parallelogram =base×height


Area =87×18,6


Area =1618,2
5 0
3 years ago
Pls help, I don’t know how to fo
Pani-rosa [81]

frustum of a cone is: = pi * l(R + r)

(l) = slant height of the frustum.

from 2929.645714 - 506.1257143

= 2423.52

= 2423.5cm

5 0
3 years ago
Read 2 more answers
What do I do first in grouping numerical expressions?
vredina [299]

Answer:

Mathematicians say Parentheses (P) or grouping symbols first, Exponents (E) next, then Multiplication and Division (MD) from left to right, and finally Addition and Subtraction (AS) from left to right.

Step-by-step explanation:

P

E

M/D

A/S

6 0
3 years ago
constructing a border around a pool a circular pool measures 10 feet across. one cubic yard of concrete is to be used to create
Paha777 [63]

Answer:

We get w = 1.508 feet.

Step-by-step explanation:

Let w be the width of the border.

The diameter of the pool will be 10 feet.

The depth will be 3 inches. So, we will convert it to feet.

3 inches = \frac{3}{12}=0.25 feet

The circular area including pool and the border, radius =(w+5)

Border area = Total area - pool area

= \pi (w+5)^{2} -\pi (5)^{2}

Putting pi = 3.14 and solving the expression we get the following equation:

3.14w^{2}+31.4w-53.5

As given one cubic yard of concrete is to be used, this is the volume to be used.

1 cubic yard = 27 cubic feet

Now using the volume given and thickness of this area that is 0.25 feet.

0.25(3.14w^{2}+31.4w-53.5) =27

=> 0.785w^{2}+7.85w-13.375-27= 0

=> 0.785w^{2}+ 7.85w-13.625= 0

Solving this quadratic equation, we get w = 1.508 feet and w = -11.508 feet.

Neglecting the negative value, we get w = 1.508 feet.

3 0
3 years ago
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