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zaharov [31]
3 years ago
6

A box contains blue, red, and green pens. 25% of the pens are green and 35% are red. 48 blue pens cannot be used, but the remain

ing 40% of the blue pens are usable
How many blue pens are there?

How many pens are there altogether in the box

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

Answer: number of blue pen = 128

Number of pen in the box = 320

Step-by-step explanation:

Andre45 [30]3 years ago
4 0

Answer:

Number of blue pen is 80

Total number of all pens(green,blue and red) is 200

Step-by-step explanation:

A detailed look at the attached image would provide a proper explanation.

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A soda can has a diameter of 2.5 inches and is 4.8 inches tallFind the surface area of the soda can. Round to the nearest hundre
Andre45 [30]

Answer:

a soda can has diameter 2.5 and 4.8 find surface is divides by 1.98

5 0
2 years ago
Which equation is y= 2x ^2 - 8x +9 rewritten in vertex form.
tankabanditka [31]
<span>y= 2x ^2 - 8x +9

</span>y = a(x - h)2 + k, where (h, k) is the vertex<span> of the parabola
</span>so
y= 2x ^2 - 8x + 9
y= 2x ^2 - 8x + 8 + 1
y = 2(x^2 - 4x - 4) + 1
y = 2(x - 2)^2 + 1 ....<---------<span>vertex form</span>
7 0
3 years ago
1. If Jeremy found 80% of the collector cards and Tim found 41 of the 45 cards,
baherus [9]

Answer:

Tim has more

Step-by-step explanation:

41/45 when you type it into a calculator is 91% and 91%>80%

6 0
2 years ago
Help me please I need this done quick
Anna11 [10]
Answer:
1058.4 in^2

Step-by-step explanation:
Find the surface areas of the rectangular prism and the triangular prisms separately.
Triangular: S = (1/2)lP+B, where l is slant height, P perimeter, and B base area.
14(4)= 56 perimeter of base
13 slant height
B = 14x14 = 196
put together:
S = (1/2)(13 x 56) + 196
S = 560 in^2

Now the rectangular prism
S = 2lw + 2lh + 2wh, where l is length, h height, w width. (delete the first 2lw since they share one side/they're combined shapes.
S = 2(14x8.9) + 2(14x8.9)
S = 498.4 in^2

Add them together: 498.4 + 560 = 1058.4 in^2
7 0
2 years ago
To estimate the product 3.48 times 7.33,Marisa multiplied 4 times 8 to get 32.Exsplain how she can make a closer estimate
notka56 [123]

Marisa had rounded 3.48 to 4 and times it to 7.33 which she rounded to 8

In fact 3.48 is closer to 3 we know this since the .48 of 3.48 s below .50 if it was .50 or above it would round to 4 but it doesn't the same applies to 7.33 so

it should be 3 x 7 = 21

5 0
3 years ago
Read 2 more answers
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