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jekas [21]
3 years ago
8

5w-11/3=-4w What is w

Mathematics
1 answer:
koban [17]3 years ago
7 0

Answer:

Step-by-step explanation:

Exact Form:

w

=

11/3

Decimal Form:

w

=

3.6 (6 is repeated)

Mixed Number Form:

w

=

3 2/3

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What is the product of 2x(5+3)-4^2
Zigmanuir [339]

Answer:

2×8-4^2

=16-16

=0

0 is the porduct

7 0
3 years ago
Help me on this question please?
USPshnik [31]
I'm in middle school (8th grade) and this is relatively easy, for me, so...

if each batch of muffins can make 6 muffins, and she makes 2.5 batches of blueberry muffins which will make 15 muffins, she will need to make 7.5 batches of banana muffins to equal 45 muffins and 45 + 15 = 60 muffins.

Here is the math part of it......

1 batch = 6 muffins

She makes 2.5 batches,  2.5 * 6 = 15 muffins

x*6 = 45
divide 6 by both sides to get this

x = 7.5

She needs to make 7.5 batches in order to make the rest of the 60 muffins
8 0
4 years ago
Use the net to find the surface area of the prism
swat32
If we were to fold this into a prism, the rectangle on the left would be the base. The short sides of the triangles would fold to meet up with the 5 inch sides of the base. Then the rectangle on the right would fold down and fit between the two triangles, meeting up with the base. Visualizing the shape in 3 dimensions allows us to figure out the lengths of some sides. For example, the short sides of the triangles both equal 5 inches. Also, the long sides of the triangles equal 13 inches and the long side of the base is 8 inches.

The surface area is the area of all the surfaces.

8*5=40
8*12=96
2*(0.5*5*12)=60
13*8=104

Add these up..

40+96+60+104=300 in^2








4 0
4 years ago
Which is an exponential decay function? f(x) = 3over4(7over4)^x f(x) =2over3(4over5)^–x f(x) = 3over2(8over7)^–x f(x) = 1over3(9
Andru [333]
In exponential decay, the value under the exponent must be less than 1 and more than 0
but wait, we have exponents that are negative values, that's interesting
it's a trick, we need to convert it to form f(x)=ab^x
remember that (\frac{a}{b})^{-1}=\frac{b}{a}
also that a^{bc}=(a^b)^c
therefor f(x)=a(\frac{b}{c})^{-x}=a((\frac{b}{c})^{-1})^x=a(\frac{c}{b})
so those ones that have the -x exponent, we need to flip the fraction

first one is 7/4, that is more than1

2nd one has a negative exponent so it becomes (3/4)(5/4)^x and 5/4 is greater than 1

3rd one has negative exponent so it becomes (3/2)(7/8)^x and 7/8 is less than 1

4th one is 9/2 and that's more than 1


3rd one is answer or f(x)=(\frac{3}{2})(\frac{8}{7})^{-x} is an exponential decay function
4 0
4 years ago
An item on sale costs 70% of the the original price. If the original price was $90, what is the sale price?
STatiana [176]
100% —- $90
1% —- $90/100
70% —- 90/100 x 70 = $63

sale price: $70
6 0
3 years ago
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